diff options
Diffstat (limited to 'lib/libcompiler_rt')
340 files changed, 0 insertions, 21199 deletions
diff --git a/lib/libcompiler_rt/CMakeLists.txt b/lib/libcompiler_rt/CMakeLists.txt deleted file mode 100644 index 77947417bfe..00000000000 --- a/lib/libcompiler_rt/CMakeLists.txt +++ /dev/null @@ -1,615 +0,0 @@ -# This directory contains a large amount of C code which provides -# generic implementations of the core runtime library along with optimized -# architecture-specific code in various subdirectories. - -if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) - cmake_minimum_required(VERSION 3.4.3) - - project(CompilerRTBuiltins C ASM) - set(COMPILER_RT_STANDALONE_BUILD TRUE) - set(COMPILER_RT_BUILTINS_STANDALONE_BUILD TRUE) - list(INSERT CMAKE_MODULE_PATH 0 - "${CMAKE_SOURCE_DIR}/../../cmake" - "${CMAKE_SOURCE_DIR}/../../cmake/Modules") - include(base-config-ix) - include(CompilerRTUtils) - - load_llvm_config() - construct_compiler_rt_default_triple() - - if(APPLE) - include(CompilerRTDarwinUtils) - endif() - include(AddCompilerRT) -endif() - -include(builtin-config-ix) - -# TODO: Need to add a mechanism for logging errors when builtin source files are -# added to a sub-directory and not this CMakeLists file. -set(GENERIC_SOURCES - absvdi2.c - absvsi2.c - absvti2.c - adddf3.c - addsf3.c - addtf3.c - addvdi3.c - addvsi3.c - addvti3.c - apple_versioning.c - ashldi3.c - ashlti3.c - ashrdi3.c - ashrti3.c - bswapdi2.c - bswapsi2.c - clzdi2.c - clzsi2.c - clzti2.c - cmpdi2.c - cmpti2.c - comparedf2.c - comparesf2.c - ctzdi2.c - ctzsi2.c - ctzti2.c - divdc3.c - divdf3.c - divdi3.c - divmoddi4.c - divmodsi4.c - divsc3.c - divsf3.c - divsi3.c - divtc3.c - divti3.c - divtf3.c - extendsfdf2.c - extendhfsf2.c - ffsdi2.c - ffssi2.c - ffsti2.c - fixdfdi.c - fixdfsi.c - fixdfti.c - fixsfdi.c - fixsfsi.c - fixsfti.c - fixunsdfdi.c - fixunsdfsi.c - fixunsdfti.c - fixunssfdi.c - fixunssfsi.c - fixunssfti.c - floatdidf.c - floatdisf.c - floatsidf.c - floatsisf.c - floattidf.c - floattisf.c - floatundidf.c - floatundisf.c - floatunsidf.c - floatunsisf.c - floatuntidf.c - floatuntisf.c - int_util.c - lshrdi3.c - lshrti3.c - moddi3.c - modsi3.c - modti3.c - muldc3.c - muldf3.c - muldi3.c - mulodi4.c - mulosi4.c - muloti4.c - mulsc3.c - mulsf3.c - multi3.c - multf3.c - mulvdi3.c - mulvsi3.c - mulvti3.c - negdf2.c - negdi2.c - negsf2.c - negti2.c - negvdi2.c - negvsi2.c - negvti2.c - os_version_check.c - paritydi2.c - paritysi2.c - parityti2.c - popcountdi2.c - popcountsi2.c - popcountti2.c - powidf2.c - powisf2.c - powitf2.c - subdf3.c - subsf3.c - subvdi3.c - subvsi3.c - subvti3.c - subtf3.c - trampoline_setup.c - truncdfhf2.c - truncdfsf2.c - truncsfhf2.c - ucmpdi2.c - ucmpti2.c - udivdi3.c - udivmoddi4.c - udivmodsi4.c - udivmodti4.c - udivsi3.c - udivti3.c - umoddi3.c - umodsi3.c - umodti3.c) - -set(GENERIC_TF_SOURCES - comparetf2.c - extenddftf2.c - extendsftf2.c - fixtfdi.c - fixtfsi.c - fixtfti.c - fixunstfdi.c - fixunstfsi.c - fixunstfti.c - floatditf.c - floatsitf.c - floattitf.c - floatunditf.c - floatunsitf.c - floatuntitf.c - multc3.c - trunctfdf2.c - trunctfsf2.c) - -option(COMPILER_RT_EXCLUDE_ATOMIC_BUILTIN - "Skip the atomic builtin (these should normally be provided by a shared library)" - On) - -if(NOT FUCHSIA AND NOT COMPILER_RT_BAREMETAL_BUILD) - set(GENERIC_SOURCES - ${GENERIC_SOURCES} - emutls.c - enable_execute_stack.c - eprintf.c) -endif() - -if(COMPILER_RT_HAS_ATOMIC_KEYWORD AND NOT COMPILER_RT_EXCLUDE_ATOMIC_BUILTIN) - set(GENERIC_SOURCES - ${GENERIC_SOURCES} - atomic.c) -endif() - -if(APPLE) - set(GENERIC_SOURCES - ${GENERIC_SOURCES} - atomic_flag_clear.c - atomic_flag_clear_explicit.c - atomic_flag_test_and_set.c - atomic_flag_test_and_set_explicit.c - atomic_signal_fence.c - atomic_thread_fence.c) -endif() - -if (HAVE_UNWIND_H) - set(GENERIC_SOURCES - ${GENERIC_SOURCES} - gcc_personality_v0.c) -endif () - -if (NOT FUCHSIA) - set(GENERIC_SOURCES - ${GENERIC_SOURCES} - clear_cache.c) -endif() - -# These sources work on all x86 variants, but only x86 variants. -set(x86_ARCH_SOURCES - cpu_model.c - divxc3.c - fixxfdi.c - fixxfti.c - fixunsxfdi.c - fixunsxfsi.c - fixunsxfti.c - floatdixf.c - floattixf.c - floatundixf.c - floatuntixf.c - mulxc3.c - powixf2.c -) - -if (NOT MSVC) - set(x86_64_SOURCES - x86_64/floatdidf.c - x86_64/floatdisf.c - x86_64/floatdixf.c - x86_64/floatundidf.S - x86_64/floatundisf.S - x86_64/floatundixf.S) - filter_builtin_sources(x86_64_SOURCES EXCLUDE x86_64_SOURCES "${x86_64_SOURCES};${GENERIC_SOURCES}") - set(x86_64h_SOURCES ${x86_64_SOURCES}) - - if (WIN32) - set(x86_64_SOURCES - ${x86_64_SOURCES} - x86_64/chkstk.S - x86_64/chkstk2.S) - endif() - - set(i386_SOURCES - i386/ashldi3.S - i386/ashrdi3.S - i386/divdi3.S - i386/floatdidf.S - i386/floatdisf.S - i386/floatdixf.S - i386/floatundidf.S - i386/floatundisf.S - i386/floatundixf.S - i386/lshrdi3.S - i386/moddi3.S - i386/muldi3.S - i386/udivdi3.S - i386/umoddi3.S) - filter_builtin_sources(i386_SOURCES EXCLUDE i386_SOURCES "${i386_SOURCES};${GENERIC_SOURCES}") - - if (WIN32) - set(i386_SOURCES - ${i386_SOURCES} - i386/chkstk.S - i386/chkstk2.S) - endif() -else () # MSVC - # Use C versions of functions when building on MSVC - # MSVC's assembler takes Intel syntax, not AT&T syntax. - # Also use only MSVC compilable builtin implementations. - set(x86_64_SOURCES - x86_64/floatdidf.c - x86_64/floatdisf.c - x86_64/floatdixf.c - ${GENERIC_SOURCES}) - set(x86_64h_SOURCES ${x86_64_SOURCES}) - set(i386_SOURCES ${GENERIC_SOURCES}) -endif () # if (NOT MSVC) - -set(x86_64h_SOURCES ${x86_64h_SOURCES} ${x86_ARCH_SOURCES}) -set(x86_64_SOURCES ${x86_64_SOURCES} ${x86_ARCH_SOURCES}) -set(i386_SOURCES ${i386_SOURCES} ${x86_ARCH_SOURCES}) -set(i686_SOURCES ${i686_SOURCES} ${x86_ARCH_SOURCES}) - -set(arm_SOURCES - arm/bswapdi2.S - arm/bswapsi2.S - arm/clzdi2.S - arm/clzsi2.S - arm/comparesf2.S - arm/divmodsi4.S - arm/divsi3.S - arm/modsi3.S - arm/sync_fetch_and_add_4.S - arm/sync_fetch_and_add_8.S - arm/sync_fetch_and_and_4.S - arm/sync_fetch_and_and_8.S - arm/sync_fetch_and_max_4.S - arm/sync_fetch_and_max_8.S - arm/sync_fetch_and_min_4.S - arm/sync_fetch_and_min_8.S - arm/sync_fetch_and_nand_4.S - arm/sync_fetch_and_nand_8.S - arm/sync_fetch_and_or_4.S - arm/sync_fetch_and_or_8.S - arm/sync_fetch_and_sub_4.S - arm/sync_fetch_and_sub_8.S - arm/sync_fetch_and_umax_4.S - arm/sync_fetch_and_umax_8.S - arm/sync_fetch_and_umin_4.S - arm/sync_fetch_and_umin_8.S - arm/sync_fetch_and_xor_4.S - arm/sync_fetch_and_xor_8.S - arm/udivmodsi4.S - arm/udivsi3.S - arm/umodsi3.S) -filter_builtin_sources(arm_SOURCES EXCLUDE arm_SOURCES "${arm_SOURCES};${GENERIC_SOURCES}") - -set(thumb1_SOURCES - arm/divsi3.S - arm/udivsi3.S - arm/comparesf2.S - arm/addsf3.S - ${GENERIC_SOURCES}) - -set(arm_EABI_SOURCES - arm/aeabi_cdcmp.S - arm/aeabi_cdcmpeq_check_nan.c - arm/aeabi_cfcmp.S - arm/aeabi_cfcmpeq_check_nan.c - arm/aeabi_dcmp.S - arm/aeabi_div0.c - arm/aeabi_drsub.c - arm/aeabi_fcmp.S - arm/aeabi_frsub.c - arm/aeabi_idivmod.S - arm/aeabi_ldivmod.S - arm/aeabi_memcmp.S - arm/aeabi_memcpy.S - arm/aeabi_memmove.S - arm/aeabi_memset.S - arm/aeabi_uidivmod.S - arm/aeabi_uldivmod.S) - -set(arm_Thumb1_JT_SOURCES - arm/switch16.S - arm/switch32.S - arm/switch8.S - arm/switchu8.S) -set(arm_Thumb1_SjLj_EH_SOURCES - arm/restore_vfp_d8_d15_regs.S - arm/save_vfp_d8_d15_regs.S) -set(arm_Thumb1_VFPv2_SOURCES - arm/adddf3vfp.S - arm/addsf3vfp.S - arm/divdf3vfp.S - arm/divsf3vfp.S - arm/eqdf2vfp.S - arm/eqsf2vfp.S - arm/extendsfdf2vfp.S - arm/fixdfsivfp.S - arm/fixsfsivfp.S - arm/fixunsdfsivfp.S - arm/fixunssfsivfp.S - arm/floatsidfvfp.S - arm/floatsisfvfp.S - arm/floatunssidfvfp.S - arm/floatunssisfvfp.S - arm/gedf2vfp.S - arm/gesf2vfp.S - arm/gtdf2vfp.S - arm/gtsf2vfp.S - arm/ledf2vfp.S - arm/lesf2vfp.S - arm/ltdf2vfp.S - arm/ltsf2vfp.S - arm/muldf3vfp.S - arm/mulsf3vfp.S - arm/nedf2vfp.S - arm/negdf2vfp.S - arm/negsf2vfp.S - arm/nesf2vfp.S - arm/subdf3vfp.S - arm/subsf3vfp.S - arm/truncdfsf2vfp.S - arm/unorddf2vfp.S - arm/unordsf2vfp.S) -set(arm_Thumb1_icache_SOURCES - arm/sync_synchronize.S) -set(arm_Thumb1_SOURCES - ${arm_Thumb1_JT_SOURCES} - ${arm_Thumb1_SjLj_EH_SOURCES} - ${arm_Thumb1_VFPv2_SOURCES} - ${arm_Thumb1_icache_SOURCES}) - -if(MINGW) - set(arm_SOURCES - arm/aeabi_idivmod.S - arm/aeabi_ldivmod.S - arm/aeabi_uidivmod.S - arm/aeabi_uldivmod.S - arm/chkstk.S - divmoddi4.c - divmodsi4.c - divdi3.c - divsi3.c - fixdfdi.c - fixsfdi.c - fixunsdfdi.c - fixunssfdi.c - floatdidf.c - floatdisf.c - floatundidf.c - floatundisf.c - mingw_fixfloat.c - moddi3.c - udivmoddi4.c - udivmodsi4.c - udivsi3.c - umoddi3.c - emutls.c) - filter_builtin_sources(arm_SOURCES EXCLUDE arm_SOURCES "${arm_SOURCES};${GENERIC_SOURCES}") -elseif(NOT WIN32) - # TODO the EABI sources should only be added to EABI targets - set(arm_SOURCES - ${arm_SOURCES} - ${arm_EABI_SOURCES} - ${arm_Thumb1_SOURCES}) - - set(thumb1_SOURCES - ${thumb1_SOURCES} - ${arm_EABI_SOURCES}) -endif() - -set(aarch64_SOURCES - ${GENERIC_TF_SOURCES} - ${GENERIC_SOURCES}) - -if (MINGW) - set(aarch64_SOURCES - ${aarch64_SOURCES} - aarch64/chkstk.S) -endif() - -set(armhf_SOURCES ${arm_SOURCES}) -set(armv7_SOURCES ${arm_SOURCES}) -set(armv7s_SOURCES ${arm_SOURCES}) -set(armv7k_SOURCES ${arm_SOURCES}) -set(arm64_SOURCES ${aarch64_SOURCES}) - -# macho_embedded archs -set(armv6m_SOURCES ${thumb1_SOURCES}) -set(armv7m_SOURCES ${arm_SOURCES}) -set(armv7em_SOURCES ${arm_SOURCES}) - -# hexagon arch -set(hexagon_SOURCES ${GENERIC_SOURCES} ${GENERIC_TF_SOURCES}) -set(hexagon_SOURCES - hexagon/common_entry_exit_abi1.S - hexagon/common_entry_exit_abi2.S - hexagon/common_entry_exit_legacy.S - hexagon/dfaddsub.S - hexagon/dfdiv.S - hexagon/dffma.S - hexagon/dfminmax.S - hexagon/dfmul.S - hexagon/dfsqrt.S - hexagon/divdi3.S - hexagon/divsi3.S - hexagon/fabs_opt.S - hexagon/fastmath2_dlib_asm.S - hexagon/fastmath2_ldlib_asm.S - hexagon/fastmath_dlib_asm.S - hexagon/fma_opt.S - hexagon/fmax_opt.S - hexagon/fmin_opt.S - hexagon/memcpy_forward_vp4cp4n2.S - hexagon/memcpy_likely_aligned.S - hexagon/moddi3.S - hexagon/modsi3.S - hexagon/sfdiv_opt.S - hexagon/sfsqrt_opt.S - hexagon/udivdi3.S - hexagon/udivmoddi4.S - hexagon/udivmodsi4.S - hexagon/udivsi3.S - hexagon/umoddi3.S - hexagon/umodsi3.S) - - -set(mips_SOURCES ${GENERIC_SOURCES}) -set(mipsel_SOURCES ${mips_SOURCES}) -set(mips64_SOURCES ${GENERIC_TF_SOURCES} - ${mips_SOURCES}) -set(mips64el_SOURCES ${GENERIC_TF_SOURCES} - ${mips_SOURCES}) - -set(powerpc64_SOURCES - ppc/divtc3.c - ppc/fixtfdi.c - ppc/fixunstfti.c - ppc/fixunstfdi.c - ppc/floattitf.c - ppc/floatditf.c - ppc/floatunditf.c - ppc/gcc_qadd.c - ppc/gcc_qdiv.c - ppc/gcc_qmul.c - ppc/gcc_qsub.c - ppc/multc3.c - ${GENERIC_SOURCES}) -set(powerpc64le_SOURCES ${powerpc64_SOURCES}) - -set(riscv_SOURCES ${GENERIC_SOURCES} ${GENERIC_TF_SOURCES}) -set(riscv32_SOURCES - riscv/mulsi3.S - ${riscv_SOURCES}) -set(riscv64_SOURCES ${riscv_SOURCES}) - -set(wasm32_SOURCES - ${GENERIC_TF_SOURCES} - ${GENERIC_SOURCES}) -set(wasm64_SOURCES - ${GENERIC_TF_SOURCES} - ${GENERIC_SOURCES}) - -add_custom_target(builtins) -set_target_properties(builtins PROPERTIES FOLDER "Compiler-RT Misc") - -if (APPLE) - add_subdirectory(Darwin-excludes) - add_subdirectory(macho_embedded) - darwin_add_builtin_libraries(${BUILTIN_SUPPORTED_OS}) -else () - set(BUILTIN_CFLAGS "") - - append_list_if(COMPILER_RT_HAS_STD_C11_FLAG -std=c11 BUILTIN_CFLAGS) - - # These flags would normally be added to CMAKE_C_FLAGS by the llvm - # cmake step. Add them manually if this is a standalone build. - if(COMPILER_RT_STANDALONE_BUILD) - append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC BUILTIN_CFLAGS) - append_list_if(COMPILER_RT_HAS_FNO_BUILTIN_FLAG -fno-builtin BUILTIN_CFLAGS) - append_list_if(COMPILER_RT_HAS_VISIBILITY_HIDDEN_FLAG -fvisibility=hidden BUILTIN_CFLAGS) - if(NOT COMPILER_RT_DEBUG) - append_list_if(COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG -fomit-frame-pointer BUILTIN_CFLAGS) - endif() - endif() - - set(BUILTIN_DEFS "") - - append_list_if(COMPILER_RT_HAS_VISIBILITY_HIDDEN_FLAG VISIBILITY_HIDDEN BUILTIN_DEFS) - - foreach (arch ${BUILTIN_SUPPORTED_ARCH}) - if (CAN_TARGET_${arch}) - # NOTE: some architectures (e.g. i386) have multiple names. Ensure that - # we catch them all. - set(_arch ${arch}) - if("${arch}" STREQUAL "armv6m") - set(_arch "arm|armv6m") - elseif("${arch}" MATCHES "^(armhf|armv7|armv7s|armv7k|armv7m|armv7em)$") - set(_arch "arm") - endif() - - # For ARM archs, exclude any VFP builtins if VFP is not supported - if (${arch} MATCHES "^(arm|armhf|armv7|armv7s|armv7k|armv7m|armv7em)$") - string(REPLACE ";" " " _TARGET_${arch}_CFLAGS "${TARGET_${arch}_CFLAGS}") - check_compile_definition(__VFP_FP__ "${CMAKE_C_FLAGS} ${_TARGET_${arch}_CFLAGS}" COMPILER_RT_HAS_${arch}_VFP) - if(NOT COMPILER_RT_HAS_${arch}_VFP) - list(REMOVE_ITEM ${arch}_SOURCES ${arm_Thumb1_VFPv2_SOURCES} ${arm_Thumb1_SjLj_EH_SOURCES}) - endif() - endif() - - # Filter out generic versions of routines that are re-implemented in - # architecture specific manner. This prevents multiple definitions of the - # same symbols, making the symbol selection non-deterministic. - foreach (_file ${${arch}_SOURCES}) - if (${_file} MATCHES ${_arch}/*) - get_filename_component(_name ${_file} NAME) - string(REPLACE ".S" ".c" _cname "${_name}") - list(REMOVE_ITEM ${arch}_SOURCES ${_cname}) - endif () - endforeach () - - # Needed for clear_cache on debug mode, due to r7's usage in inline asm. - # Release mode already sets it via -O2/3, Debug mode doesn't. - if (${arch} STREQUAL "armhf") - list(APPEND BUILTIN_CFLAGS -fomit-frame-pointer -DCOMPILER_RT_ARMHF_TARGET) - endif() - - # For RISCV32, we must force enable int128 for compiling long - # double routines. - if("${arch}" STREQUAL "riscv32") - list(APPEND BUILTIN_CFLAGS -fforce-enable-int128) - endif() - - add_compiler_rt_runtime(clang_rt.builtins - STATIC - ARCHS ${arch} - SOURCES ${${arch}_SOURCES} - DEFS ${BUILTIN_DEFS} - CFLAGS ${BUILTIN_CFLAGS} - PARENT_TARGET builtins) - endif () - endforeach () -endif () - -add_dependencies(compiler-rt builtins) diff --git a/lib/libcompiler_rt/Darwin-excludes/CMakeLists.txt b/lib/libcompiler_rt/Darwin-excludes/CMakeLists.txt deleted file mode 100644 index 266e4221524..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/CMakeLists.txt +++ /dev/null @@ -1,4 +0,0 @@ -file(GLOB filter_files ${CMAKE_CURRENT_SOURCE_DIR}/*.txt) -foreach(filter_file ${filter_files}) - set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${filter_file}) -endforeach() diff --git a/lib/libcompiler_rt/Darwin-excludes/README.TXT b/lib/libcompiler_rt/Darwin-excludes/README.TXT deleted file mode 100644 index 173eccca6de..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/README.TXT +++ /dev/null @@ -1,11 +0,0 @@ -This folder contains list of symbols that should be excluded from the builtin -libraries for Darwin. There are two reasons symbols are excluded: - -(1) They aren't supported on Darwin -(2) They are contained within the OS on the minimum supported target - -The builtin libraries must contain all symbols not provided by the lowest -supported target OS. Meaning if minimum deployment target is iOS 6, all builtins -not included in the ios6-<arch>.txt files need to be included. The one catch is -that this is per-architecture. Since iOS 6 doesn't support arm64, when supporting -iOS 6, the minimum deployment target for arm64 binaries is iOS 7. diff --git a/lib/libcompiler_rt/Darwin-excludes/ios-armv7.txt b/lib/libcompiler_rt/Darwin-excludes/ios-armv7.txt deleted file mode 100644 index 6aa542f7fe4..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/ios-armv7.txt +++ /dev/null @@ -1,57 +0,0 @@ -absvti2 -addtf3 -addvti3 -aeabi_cdcmp -aeabi_cdcmpeq_check_nan -aeabi_cfcmp -aeabi_cfcmpeq_check_nan -aeabi_dcmp -aeabi_div0 -aeabi_drsub -aeabi_fcmp -aeabi_frsub -aeabi_idivmod -aeabi_ldivmod -aeabi_memcmp -aeabi_memcpy -aeabi_memmove -aeabi_memset -aeabi_uidivmod -aeabi_uldivmod -ashlti3 -ashrti3 -clzti2 -cmpti2 -ctzti2 -divtf3 -divti3 -ffsti2 -fixdfti -fixsfti -fixunsdfti -fixunssfti -fixunsxfti -fixxfti -floattidf -floattisf -floattixf -floatuntidf -floatuntisf -floatuntixf -lshrti3 -modti3 -multf3 -multi3 -mulvti3 -negti2 -negvti2 -parityti2 -popcountti2 -powitf2 -subtf3 -subvti3 -trampoline_setup -ucmpti2 -udivmodti4 -udivti3 -umodti3 diff --git a/lib/libcompiler_rt/Darwin-excludes/ios-armv7s.txt b/lib/libcompiler_rt/Darwin-excludes/ios-armv7s.txt deleted file mode 100644 index 28167aa4c5d..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/ios-armv7s.txt +++ /dev/null @@ -1,57 +0,0 @@ -absvti2 -addtf3 -addvti3 -aeabi_cdcmp -aeabi_cdcmpeq_check_nan -aeabi_cfcmp -aeabi_cfcmpeq_check_nan -aeabi_dcmp -aeabi_div0 -aeabi_drsub -aeabi_fcmp -aeabi_frsub -aeabi_idivmod -aeabi_ldivmod -aeabi_memcmp -aeabi_memcpy -aeabi_memmove -aeabi_memset -aeabi_uidivmod -aeabi_uldivmod -ashlti3 -ashrti3 -clzti2 -cmpti2 -ctzti2 -divtf3 -divti3 -ffsti2 -fixdfti -fixsfti -fixunsdfti -fixunssfti -fixunsxfti -fixxfti -floattidf -floattisf -floattixf -floatuntidf -floatuntisf -floatuntixf -lshrti3 -modti3 -multf -multi3 -mulvti3 -negti2 -negvti2 -parityti2 -popcountti2 -powitf2 -subtf3 -subvti3 -trampoline_setup -ucmpti2 -udivmodti4 -udivti3 -umodti3 diff --git a/lib/libcompiler_rt/Darwin-excludes/ios.txt b/lib/libcompiler_rt/Darwin-excludes/ios.txt deleted file mode 100644 index 5db24000a17..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/ios.txt +++ /dev/null @@ -1 +0,0 @@ -apple_versioning diff --git a/lib/libcompiler_rt/Darwin-excludes/ios6-armv7.txt b/lib/libcompiler_rt/Darwin-excludes/ios6-armv7.txt deleted file mode 100644 index b01fa711a35..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/ios6-armv7.txt +++ /dev/null @@ -1,120 +0,0 @@ -absvdi2 -absvsi2 -adddf3 -adddf3vfp -addsf3 -addsf3vfp -addvdi3 -addvsi3 -ashldi3 -ashrdi3 -bswapdi2 -bswapsi2 -clzdi2 -clzsi2 -cmpdi2 -ctzdi2 -ctzsi2 -divdc3 -divdf3 -divdf3vfp -divdi3 -divmodsi4 -divsc3 -divsf3 -divsf3vfp -divsi3 -eqdf2 -eqdf2vfp -eqsf2 -eqsf2vfp -extendsfdf2 -extendsfdf2vfp -ffsdi2 -fixdfdi -fixdfsi -fixdfsivfp -fixsfdi -fixsfsi -fixsfsivfp -fixunsdfdi -fixunsdfsi -fixunsdfsivfp -fixunssfdi -fixunssfsi -fixunssfsivfp -floatdidf -floatdisf -floatsidf -floatsidfvfp -floatsisf -floatsisfvfp -floatundidf -floatundisf -floatunsidf -floatunsisf -floatunssidfvfp -floatunssisfvfp -gcc_personality_sj0 -gedf2 -gedf2vfp -gesf2 -gesf2vfp -gtdf2 -gtdf2vfp -gtsf2 -gtsf2vfp -ledf2 -ledf2vfp -lesf2 -lesf2vfp -lshrdi3 -ltdf2 -ltdf2vfp -ltsf2 -ltsf2vfp -moddi3 -modsi3 -muldc3 -muldf3 -muldf3vfp -muldi3 -mulodi4 -mulosi4 -mulsc3 -mulsf3 -mulsf3vfp -mulvdi3 -mulvsi3 -nedf2 -nedf2vfp -negdi2 -negvdi2 -negvsi2 -nesf2 -nesf2vfp -paritydi2 -paritysi2 -popcountdi2 -popcountsi2 -powidf2 -powisf2 -subdf3 -subdf3vfp -subsf3 -subsf3vfp -subvdi3 -subvsi3 -truncdfsf2 -truncdfsf2vfp -ucmpdi2 -udivdi3 -udivmoddi4 -udivmodsi4 -udivsi3 -umoddi3 -umodsi3 -unorddf2 -unorddf2vfp -unordsf2 -unordsf2vfp diff --git a/lib/libcompiler_rt/Darwin-excludes/ios6-armv7s.txt b/lib/libcompiler_rt/Darwin-excludes/ios6-armv7s.txt deleted file mode 100644 index b01fa711a35..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/ios6-armv7s.txt +++ /dev/null @@ -1,120 +0,0 @@ -absvdi2 -absvsi2 -adddf3 -adddf3vfp -addsf3 -addsf3vfp -addvdi3 -addvsi3 -ashldi3 -ashrdi3 -bswapdi2 -bswapsi2 -clzdi2 -clzsi2 -cmpdi2 -ctzdi2 -ctzsi2 -divdc3 -divdf3 -divdf3vfp -divdi3 -divmodsi4 -divsc3 -divsf3 -divsf3vfp -divsi3 -eqdf2 -eqdf2vfp -eqsf2 -eqsf2vfp -extendsfdf2 -extendsfdf2vfp -ffsdi2 -fixdfdi -fixdfsi -fixdfsivfp -fixsfdi -fixsfsi -fixsfsivfp -fixunsdfdi -fixunsdfsi -fixunsdfsivfp -fixunssfdi -fixunssfsi -fixunssfsivfp -floatdidf -floatdisf -floatsidf -floatsidfvfp -floatsisf -floatsisfvfp -floatundidf -floatundisf -floatunsidf -floatunsisf -floatunssidfvfp -floatunssisfvfp -gcc_personality_sj0 -gedf2 -gedf2vfp -gesf2 -gesf2vfp -gtdf2 -gtdf2vfp -gtsf2 -gtsf2vfp -ledf2 -ledf2vfp -lesf2 -lesf2vfp -lshrdi3 -ltdf2 -ltdf2vfp -ltsf2 -ltsf2vfp -moddi3 -modsi3 -muldc3 -muldf3 -muldf3vfp -muldi3 -mulodi4 -mulosi4 -mulsc3 -mulsf3 -mulsf3vfp -mulvdi3 -mulvsi3 -nedf2 -nedf2vfp -negdi2 -negvdi2 -negvsi2 -nesf2 -nesf2vfp -paritydi2 -paritysi2 -popcountdi2 -popcountsi2 -powidf2 -powisf2 -subdf3 -subdf3vfp -subsf3 -subsf3vfp -subvdi3 -subvsi3 -truncdfsf2 -truncdfsf2vfp -ucmpdi2 -udivdi3 -udivmoddi4 -udivmodsi4 -udivsi3 -umoddi3 -umodsi3 -unorddf2 -unorddf2vfp -unordsf2 -unordsf2vfp diff --git a/lib/libcompiler_rt/Darwin-excludes/ios7-arm64.txt b/lib/libcompiler_rt/Darwin-excludes/ios7-arm64.txt deleted file mode 100644 index 5e4caf9e9fb..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/ios7-arm64.txt +++ /dev/null @@ -1,16 +0,0 @@ -clzti2 -divti3 -fixdfti -fixsfti -fixunsdfti -floattidf -floattisf -floatuntidf -floatuntisf -gcc_personality_v0 -modti3 -powidf2 -powisf2 -udivmodti4 -udivti3 -umodti3 diff --git a/lib/libcompiler_rt/Darwin-excludes/iossim-i386.txt b/lib/libcompiler_rt/Darwin-excludes/iossim-i386.txt deleted file mode 100644 index 60c0e2d6505..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/iossim-i386.txt +++ /dev/null @@ -1,82 +0,0 @@ -absvti2 -addtf3 -addvti3 -ashlti3 -ashrti3 -clzti2 -cmpti2 -ctzti2 -divti3 -divtf3 -ffsti2 -fixdfti -fixsfti -fixunsdfti -fixunssfti -fixunsxfti -fixxfti -floattidf -floattisf -floattixf -floatuntidf -floatuntisf -floatuntixf -lshrti3 -modti3 -muloti4 -multi3 -multf3 -mulvti3 -negti2 -negvti2 -parityti2 -popcountti2 -powitf2 -subvti3 -subtf3 -trampoline_setup -ucmpti2 -udivmodti4 -udivti3 -umodti3 -absvti2 -addtf3 -addvti3 -ashlti3 -ashrti3 -clzti2 -cmpti2 -ctzti2 -divti3 -divtf3 -ffsti2 -fixdfti -fixsfti -fixunsdfti -fixunssfti -fixunsxfti -fixxfti -floattidf -floattisf -floattixf -floatuntidf -floatuntisf -floatuntixf -lshrti3 -modti3 -muloti4 -multi3 -multf3 -mulvti3 -negti2 -negvti2 -parityti2 -popcountti2 -powitf2 -subvti3 -subtf3 -trampoline_setup -ucmpti2 -udivmodti4 -udivti3 -umodti3 diff --git a/lib/libcompiler_rt/Darwin-excludes/iossim-x86_64.txt b/lib/libcompiler_rt/Darwin-excludes/iossim-x86_64.txt deleted file mode 100644 index de1574e6ce3..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/iossim-x86_64.txt +++ /dev/null @@ -1,12 +0,0 @@ -addtf3 -divtf3 -multf3 -powitf2 -subtf3 -trampoline_setup -addtf3 -divtf3 -multf3 -powitf2 -subtf3 -trampoline_setup diff --git a/lib/libcompiler_rt/Darwin-excludes/iossim.txt b/lib/libcompiler_rt/Darwin-excludes/iossim.txt deleted file mode 100644 index 5db24000a17..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/iossim.txt +++ /dev/null @@ -1 +0,0 @@ -apple_versioning diff --git a/lib/libcompiler_rt/Darwin-excludes/osx-i386.txt b/lib/libcompiler_rt/Darwin-excludes/osx-i386.txt deleted file mode 100644 index f2ee7fef0c6..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/osx-i386.txt +++ /dev/null @@ -1,35 +0,0 @@ -absvti2 -addvti3 -ashlti3 -ashrti3 -clzti2 -cmpti2 -ctzti2 -divti3 -ffsti2 -fixdfti -fixsfti -fixunsdfti -fixunssfti -fixunsxfti -fixxfti -floattidf -floattisf -floattixf -floatuntidf -floatuntisf -floatuntixf -lshrti3 -modti3 -muloti4 -multi3 -mulvti3 -negti2 -negvti2 -parityti2 -popcountti2 -subvti3 -ucmpti2 -udivmodti4 -udivti3 -umodti3 diff --git a/lib/libcompiler_rt/Darwin-excludes/osx.txt b/lib/libcompiler_rt/Darwin-excludes/osx.txt deleted file mode 100644 index 6f9d0a7b245..00000000000 --- a/lib/libcompiler_rt/Darwin-excludes/osx.txt +++ /dev/null @@ -1,7 +0,0 @@ -apple_versioning -addtf3 -divtf3 -multf3 -powitf2 -subtf3 -trampoline_setup diff --git a/lib/libcompiler_rt/LICENSE.TXT b/lib/libcompiler_rt/LICENSE.TXT deleted file mode 100644 index 1c94ad5d891..00000000000 --- a/lib/libcompiler_rt/LICENSE.TXT +++ /dev/null @@ -1,91 +0,0 @@ -============================================================================== -compiler_rt License -============================================================================== - -The compiler_rt library is dual licensed under both the University of Illinois -"BSD-Like" license and the MIT license. As a user of this code you may choose -to use it under either license. As a contributor, you agree to allow your code -to be used under both. - -Full text of the relevant licenses is included below. - -============================================================================== - -University of Illinois/NCSA -Open Source License - -Copyright (c) 2009-2019 by the contributors listed in CREDITS.TXT - -All rights reserved. - -Developed by: - - LLVM Team - - University of Illinois at Urbana-Champaign - - http://llvm.org - -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the "Software"), to deal with -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do -so, subject to the following conditions: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimers. - - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimers in the - documentation and/or other materials provided with the distribution. - - * Neither the names of the LLVM Team, University of Illinois at - Urbana-Champaign, nor the names of its contributors may be used to - endorse or promote products derived from this Software without specific - prior written permission. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS -FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE -SOFTWARE. - -============================================================================== - -Copyright (c) 2009-2015 by the contributors listed in CREDITS.TXT - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. - -============================================================================== -Copyrights and Licenses for Third Party Software Distributed with LLVM: -============================================================================== -The LLVM software contains code written by third parties. Such software will -have its own individual LICENSE.TXT file in the directory in which it appears. -This file will describe the copyrights, license, and restrictions which apply -to that code. - -The disclaimer of warranty in the University of Illinois Open Source License -applies to all code in the LLVM Distribution, and nothing in any of the -other licenses gives permission to use the names of the LLVM Team or the -University of Illinois to endorse or promote products derived from this -Software. - diff --git a/lib/libcompiler_rt/Makefile b/lib/libcompiler_rt/Makefile deleted file mode 100644 index 6c92a870f20..00000000000 --- a/lib/libcompiler_rt/Makefile +++ /dev/null @@ -1,317 +0,0 @@ -# $OpenBSD: Makefile,v 1.15 2020/04/04 22:11:36 kettenis Exp $ - -.include <bsd.own.mk> - -.if ${COMPILER_VERSION:L} != "clang" -CC= clang -CXX= clang++ -.endif - -.if ${BUILD_CLANG:L} == "yes" - -LIB= compiler_rt -NOPIC= -NOPROFILE= - -CFLAGS+= -fPIC -std=gnu99 -fvisibility=hidden -fno-stack-protector -CPPFLAGS+= -DVISIBILITY_HIDDEN - -.if ${MACHINE_ARCH} == "amd64" -RTARCH= x86_64 -.elif ${MACHINE_ARCH} == "powerpc" -RTARCH= ppc -.else -RTARCH= ${MACHINE_ARCH} -.endif - -.PATH: ${.CURDIR}/${RTARCH} - -GEN_SRCS= absvdi2 \ - absvsi2 \ - absvti2 \ - addtf3 \ - addvdi3 \ - addvsi3 \ - addvti3 \ - apple_versioning \ - ashldi3 \ - ashlti3 \ - ashrdi3 \ - ashrti3 \ - atomic \ - bswapdi2 \ - bswapsi2 \ - clear_cache \ - clzdi2 \ - clzsi2 \ - clzti2 \ - cmpdi2 \ - cmpti2 \ - comparedf2 \ - comparesf2 \ - cpu_model \ - ctzdi2 \ - ctzsi2 \ - ctzti2 \ - divdc3 \ - divdi3 \ - divmoddi4 \ - divmodsi4 \ - divsc3 \ - divtc3 \ - divti3 \ - divtf3 \ - divxc3 \ - emutls \ - enable_execute_stack \ - eprintf \ - extendhfsf2 \ - ffsdi2 \ - ffssi2 \ - ffsti2 \ - fixdfti \ - fixsfti \ - fixunsdfsi \ - fixunsdfti \ - fixunssfsi \ - fixunssfti \ - fixunsxfdi \ - fixunsxfsi \ - fixunsxfti \ - fixxfdi \ - fixxfti \ - floattidf \ - floattisf \ - floattixf \ - floatunsidf \ - floatunsisf \ - floatuntidf \ - floatuntisf \ - floatuntixf \ - gcc_personality_v0 \ - int_util \ - lshrdi3 \ - lshrti3 \ - moddi3 \ - modsi3 \ - modti3 \ - muldc3 \ - muldi3 \ - mulodi4 \ - mulosi4 \ - muloti4 \ - mulsc3 \ - multi3 \ - multf3 \ - mulvdi3 \ - mulvsi3 \ - mulvti3 \ - mulxc3 \ - negdf2 \ - negdi2 \ - negsf2 \ - negti2 \ - negvdi2 \ - negvsi2 \ - negvti2 \ - paritydi2 \ - paritysi2 \ - parityti2 \ - popcountdi2 \ - popcountsi2 \ - popcountti2 \ - powidf2 \ - powisf2 \ - powitf2 \ - powixf2 \ - subvdi3 \ - subvsi3 \ - subvti3 \ - subtf3 \ - trampoline_setup \ - truncdfhf2 \ - truncsfhf2 \ - ucmpdi2 \ - ucmpti2 \ - udivdi3 \ - udivmoddi4 \ - udivmodsi4 \ - udivmodti4 \ - udivti3 \ - umoddi3 \ - umodsi3 \ - umodti3 - -.if ${RTARCH} != "arm" -GEN_SRCS+= adddf3 \ - addsf3 \ - divdf3 \ - divsf3 \ - divsi3 \ - extendsfdf2 \ - fixdfdi \ - fixdfsi \ - fixsfdi \ - fixsfsi \ - fixunsdfdi \ - fixunssfdi \ - floatsidf \ - floatsisf \ - muldf3 \ - mulsf3 \ - subdf3 \ - subsf3 \ - truncdfsf2 \ - udivsi3 -.endif - -.if ${RTARCH} == "i386" -SRCS+= floatdidf.c \ - floatdisf.c \ - floatdixf.c \ - floatundidf.c \ - floatundisf.c \ - floatundixf.c -.else -GEN_SRCS+= floatdidf \ - floatdisf \ - floatdixf \ - floatundidf \ - floatundisf \ - floatundixf -.endif - -.for file in ${GEN_SRCS} -. if exists(${.CURDIR}/${RTARCH}/${file}.S) -SRCS+= ${file}.S -. else -SRCS+= ${file}.c -. endif -.endfor - -.if ${RTARCH} == "aarch64" -SRCS+= comparetf2.c \ - extenddftf2.c \ - extendsftf2.c \ - fixtfdi.c \ - fixtfsi.c \ - fixtfti.c \ - fixunstfdi.c \ - fixunstfsi.c \ - fixunstfti.c \ - floatditf.c \ - floatsitf.c \ - floattitf.c \ - floatunditf.c \ - floatunsitf.c \ - floatuntitf.c \ - multc3.c \ - trunctfdf2.c \ - trunctfsf2.c -.endif - -.if ${RTARCH} == "arm" -SRCS+= aeabi_cdcmp.S \ - aeabi_cdcmpeq_check_nan.c \ - aeabi_cfcmp.S \ - aeabi_cfcmpeq_check_nan.c \ - aeabi_dcmp.S \ - aeabi_div0.c \ - aeabi_drsub.c \ - aeabi_fcmp.S \ - aeabi_frsub.c \ - aeabi_ldivmod.S \ - aeabi_memcmp.S \ - aeabi_memcpy.S \ - aeabi_memmove.S \ - aeabi_memset.S \ - aeabi_uldivmod.S \ - switch16.S \ - switch32.S \ - switch8.S \ - switchu8.S \ - sync_fetch_and_add_4.S \ - sync_fetch_and_add_8.S \ - sync_fetch_and_and_4.S \ - sync_fetch_and_and_8.S \ - sync_fetch_and_max_4.S \ - sync_fetch_and_max_8.S \ - sync_fetch_and_min_4.S \ - sync_fetch_and_min_8.S \ - sync_fetch_and_nand_4.S \ - sync_fetch_and_nand_8.S \ - sync_fetch_and_or_4.S \ - sync_fetch_and_or_8.S \ - sync_fetch_and_sub_4.S \ - sync_fetch_and_sub_8.S \ - sync_fetch_and_umax_4.S \ - sync_fetch_and_umax_8.S \ - sync_fetch_and_umin_4.S \ - sync_fetch_and_umin_8.S \ - sync_fetch_and_xor_4.S \ - sync_fetch_and_xor_8.S \ - sync_synchronize.S -.endif - -.if ${RTARCH} == "mips64" || ${RTARCH} == "mips64el" -SRCS+= comparetf2.c \ - extenddftf2.c \ - extendsftf2.c \ - fixtfdi.c \ - fixtfsi.c \ - fixtfti.c \ - fixunstfdi.c \ - fixunstfsi.c \ - fixunstfti.c \ - floatditf.c \ - floatsitf.c \ - floattitf.c \ - floatunditf.c \ - floatunsitf.c \ - floatuntitf.c \ - multc3.c \ - trunctfdf2.c \ - trunctfsf2.c -.endif - -.if ${RTARCH} == "ppc" -SRCS+= atomic_lock_free.c \ - divtc3.c \ - fixtfdi.c \ - fixunstfdi.c \ - floatditf.c \ - floatunditf.c \ - gcc_qadd.c \ - gcc_qdiv.c \ - gcc_qmul.c \ - gcc_qsub.c \ - multc3.c -.endif - -.if ${RTARCH} == "sparc64" -SRCS+= comparetf2.c \ - extenddftf2.c \ - extendsftf2.c \ - fixtfdi.c \ - fixtfsi.c \ - fixtfti.c \ - fixunstfdi.c \ - fixunstfsi.c \ - fixunstfti.c \ - floatditf.c \ - floatsitf.c \ - floattitf.c \ - floatunditf.c \ - floatunsitf.c \ - floatuntitf.c \ - multc3.c \ - trunctfdf2.c \ - trunctfsf2.c -.endif - -.include <bsd.lib.mk> - -.else -NOPROG= -.include <bsd.prog.mk> -.endif diff --git a/lib/libcompiler_rt/README.txt b/lib/libcompiler_rt/README.txt deleted file mode 100644 index e603dfa0535..00000000000 --- a/lib/libcompiler_rt/README.txt +++ /dev/null @@ -1,346 +0,0 @@ -Compiler-RT -================================ - -This directory and its subdirectories contain source code for the compiler -support routines. - -Compiler-RT is open source software. You may freely distribute it under the -terms of the license agreement found in LICENSE.txt. - -================================ - -This is a replacement library for libgcc. Each function is contained -in its own file. Each function has a corresponding unit test under -test/Unit. - -A rudimentary script to test each file is in the file called -test/Unit/test. - -Here is the specification for this library: - -http://gcc.gnu.org/onlinedocs/gccint/Libgcc.html#Libgcc - -Here is a synopsis of the contents of this library: - -typedef int si_int; -typedef unsigned su_int; - -typedef long long di_int; -typedef unsigned long long du_int; - -// Integral bit manipulation - -di_int __ashldi3(di_int a, si_int b); // a << b -ti_int __ashlti3(ti_int a, si_int b); // a << b - -di_int __ashrdi3(di_int a, si_int b); // a >> b arithmetic (sign fill) -ti_int __ashrti3(ti_int a, si_int b); // a >> b arithmetic (sign fill) -di_int __lshrdi3(di_int a, si_int b); // a >> b logical (zero fill) -ti_int __lshrti3(ti_int a, si_int b); // a >> b logical (zero fill) - -si_int __clzsi2(si_int a); // count leading zeros -si_int __clzdi2(di_int a); // count leading zeros -si_int __clzti2(ti_int a); // count leading zeros -si_int __ctzsi2(si_int a); // count trailing zeros -si_int __ctzdi2(di_int a); // count trailing zeros -si_int __ctzti2(ti_int a); // count trailing zeros - -si_int __ffssi2(si_int a); // find least significant 1 bit -si_int __ffsdi2(di_int a); // find least significant 1 bit -si_int __ffsti2(ti_int a); // find least significant 1 bit - -si_int __paritysi2(si_int a); // bit parity -si_int __paritydi2(di_int a); // bit parity -si_int __parityti2(ti_int a); // bit parity - -si_int __popcountsi2(si_int a); // bit population -si_int __popcountdi2(di_int a); // bit population -si_int __popcountti2(ti_int a); // bit population - -uint32_t __bswapsi2(uint32_t a); // a byteswapped -uint64_t __bswapdi2(uint64_t a); // a byteswapped - -// Integral arithmetic - -di_int __negdi2 (di_int a); // -a -ti_int __negti2 (ti_int a); // -a -di_int __muldi3 (di_int a, di_int b); // a * b -ti_int __multi3 (ti_int a, ti_int b); // a * b -si_int __divsi3 (si_int a, si_int b); // a / b signed -di_int __divdi3 (di_int a, di_int b); // a / b signed -ti_int __divti3 (ti_int a, ti_int b); // a / b signed -su_int __udivsi3 (su_int n, su_int d); // a / b unsigned -du_int __udivdi3 (du_int a, du_int b); // a / b unsigned -tu_int __udivti3 (tu_int a, tu_int b); // a / b unsigned -si_int __modsi3 (si_int a, si_int b); // a % b signed -di_int __moddi3 (di_int a, di_int b); // a % b signed -ti_int __modti3 (ti_int a, ti_int b); // a % b signed -su_int __umodsi3 (su_int a, su_int b); // a % b unsigned -du_int __umoddi3 (du_int a, du_int b); // a % b unsigned -tu_int __umodti3 (tu_int a, tu_int b); // a % b unsigned -du_int __udivmoddi4(du_int a, du_int b, du_int* rem); // a / b, *rem = a % b unsigned -tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem); // a / b, *rem = a % b unsigned -su_int __udivmodsi4(su_int a, su_int b, su_int* rem); // a / b, *rem = a % b unsigned -si_int __divmodsi4(si_int a, si_int b, si_int* rem); // a / b, *rem = a % b signed - - - -// Integral arithmetic with trapping overflow - -si_int __absvsi2(si_int a); // abs(a) -di_int __absvdi2(di_int a); // abs(a) -ti_int __absvti2(ti_int a); // abs(a) - -si_int __negvsi2(si_int a); // -a -di_int __negvdi2(di_int a); // -a -ti_int __negvti2(ti_int a); // -a - -si_int __addvsi3(si_int a, si_int b); // a + b -di_int __addvdi3(di_int a, di_int b); // a + b -ti_int __addvti3(ti_int a, ti_int b); // a + b - -si_int __subvsi3(si_int a, si_int b); // a - b -di_int __subvdi3(di_int a, di_int b); // a - b -ti_int __subvti3(ti_int a, ti_int b); // a - b - -si_int __mulvsi3(si_int a, si_int b); // a * b -di_int __mulvdi3(di_int a, di_int b); // a * b -ti_int __mulvti3(ti_int a, ti_int b); // a * b - - -// Integral arithmetic which returns if overflow - -si_int __mulosi4(si_int a, si_int b, int* overflow); // a * b, overflow set to one if result not in signed range -di_int __mulodi4(di_int a, di_int b, int* overflow); // a * b, overflow set to one if result not in signed range -ti_int __muloti4(ti_int a, ti_int b, int* overflow); // a * b, overflow set to - one if result not in signed range - - -// Integral comparison: a < b -> 0 -// a == b -> 1 -// a > b -> 2 - -si_int __cmpdi2 (di_int a, di_int b); -si_int __cmpti2 (ti_int a, ti_int b); -si_int __ucmpdi2(du_int a, du_int b); -si_int __ucmpti2(tu_int a, tu_int b); - -// Integral / floating point conversion - -di_int __fixsfdi( float a); -di_int __fixdfdi( double a); -di_int __fixxfdi(long double a); - -ti_int __fixsfti( float a); -ti_int __fixdfti( double a); -ti_int __fixxfti(long double a); -uint64_t __fixtfdi(long double input); // ppc only, doesn't match documentation - -su_int __fixunssfsi( float a); -su_int __fixunsdfsi( double a); -su_int __fixunsxfsi(long double a); - -du_int __fixunssfdi( float a); -du_int __fixunsdfdi( double a); -du_int __fixunsxfdi(long double a); - -tu_int __fixunssfti( float a); -tu_int __fixunsdfti( double a); -tu_int __fixunsxfti(long double a); -uint64_t __fixunstfdi(long double input); // ppc only - -float __floatdisf(di_int a); -double __floatdidf(di_int a); -long double __floatdixf(di_int a); -long double __floatditf(int64_t a); // ppc only - -float __floattisf(ti_int a); -double __floattidf(ti_int a); -long double __floattixf(ti_int a); - -float __floatundisf(du_int a); -double __floatundidf(du_int a); -long double __floatundixf(du_int a); -long double __floatunditf(uint64_t a); // ppc only - -float __floatuntisf(tu_int a); -double __floatuntidf(tu_int a); -long double __floatuntixf(tu_int a); - -// Floating point raised to integer power - -float __powisf2( float a, si_int b); // a ^ b -double __powidf2( double a, si_int b); // a ^ b -long double __powixf2(long double a, si_int b); // a ^ b -long double __powitf2(long double a, si_int b); // ppc only, a ^ b - -// Complex arithmetic - -// (a + ib) * (c + id) - - float _Complex __mulsc3( float a, float b, float c, float d); - double _Complex __muldc3(double a, double b, double c, double d); -long double _Complex __mulxc3(long double a, long double b, - long double c, long double d); -long double _Complex __multc3(long double a, long double b, - long double c, long double d); // ppc only - -// (a + ib) / (c + id) - - float _Complex __divsc3( float a, float b, float c, float d); - double _Complex __divdc3(double a, double b, double c, double d); -long double _Complex __divxc3(long double a, long double b, - long double c, long double d); -long double _Complex __divtc3(long double a, long double b, - long double c, long double d); // ppc only - - -// Runtime support - -// __clear_cache() is used to tell process that new instructions have been -// written to an address range. Necessary on processors that do not have -// a unified instruction and data cache. -void __clear_cache(void* start, void* end); - -// __enable_execute_stack() is used with nested functions when a trampoline -// function is written onto the stack and that page range needs to be made -// executable. -void __enable_execute_stack(void* addr); - -// __gcc_personality_v0() is normally only called by the system unwinder. -// C code (as opposed to C++) normally does not need a personality function -// because there are no catch clauses or destructors to be run. But there -// is a C language extension __attribute__((cleanup(func))) which marks local -// variables as needing the cleanup function "func" to be run when the -// variable goes out of scope. That includes when an exception is thrown, -// so a personality handler is needed. -_Unwind_Reason_Code __gcc_personality_v0(int version, _Unwind_Action actions, - uint64_t exceptionClass, struct _Unwind_Exception* exceptionObject, - _Unwind_Context_t context); - -// for use with some implementations of assert() in <assert.h> -void __eprintf(const char* format, const char* assertion_expression, - const char* line, const char* file); - -// for systems with emulated thread local storage -void* __emutls_get_address(struct __emutls_control*); - - -// Power PC specific functions - -// There is no C interface to the saveFP/restFP functions. They are helper -// functions called by the prolog and epilog of functions that need to save -// a number of non-volatile float point registers. -saveFP -restFP - -// PowerPC has a standard template for trampoline functions. This function -// generates a custom trampoline function with the specific realFunc -// and localsPtr values. -void __trampoline_setup(uint32_t* trampOnStack, int trampSizeAllocated, - const void* realFunc, void* localsPtr); - -// adds two 128-bit double-double precision values ( x + y ) -long double __gcc_qadd(long double x, long double y); - -// subtracts two 128-bit double-double precision values ( x - y ) -long double __gcc_qsub(long double x, long double y); - -// multiples two 128-bit double-double precision values ( x * y ) -long double __gcc_qmul(long double x, long double y); - -// divides two 128-bit double-double precision values ( x / y ) -long double __gcc_qdiv(long double a, long double b); - - -// ARM specific functions - -// There is no C interface to the switch* functions. These helper functions -// are only needed by Thumb1 code for efficient switch table generation. -switch16 -switch32 -switch8 -switchu8 - -// There is no C interface to the *_vfp_d8_d15_regs functions. There are -// called in the prolog and epilog of Thumb1 functions. When the C++ ABI use -// SJLJ for exceptions, each function with a catch clause or destuctors needs -// to save and restore all registers in it prolog and epliog. But there is -// no way to access vector and high float registers from thumb1 code, so the -// compiler must add call outs to these helper functions in the prolog and -// epilog. -restore_vfp_d8_d15_regs -save_vfp_d8_d15_regs - - -// Note: long ago ARM processors did not have floating point hardware support. -// Floating point was done in software and floating point parameters were -// passed in integer registers. When hardware support was added for floating -// point, new *vfp functions were added to do the same operations but with -// floating point parameters in floating point registers. - -// Undocumented functions - -float __addsf3vfp(float a, float b); // Appears to return a + b -double __adddf3vfp(double a, double b); // Appears to return a + b -float __divsf3vfp(float a, float b); // Appears to return a / b -double __divdf3vfp(double a, double b); // Appears to return a / b -int __eqsf2vfp(float a, float b); // Appears to return one - // iff a == b and neither is NaN. -int __eqdf2vfp(double a, double b); // Appears to return one - // iff a == b and neither is NaN. -double __extendsfdf2vfp(float a); // Appears to convert from - // float to double. -int __fixdfsivfp(double a); // Appears to convert from - // double to int. -int __fixsfsivfp(float a); // Appears to convert from - // float to int. -unsigned int __fixunssfsivfp(float a); // Appears to convert from - // float to unsigned int. -unsigned int __fixunsdfsivfp(double a); // Appears to convert from - // double to unsigned int. -double __floatsidfvfp(int a); // Appears to convert from - // int to double. -float __floatsisfvfp(int a); // Appears to convert from - // int to float. -double __floatunssidfvfp(unsigned int a); // Appears to convert from - // unisgned int to double. -float __floatunssisfvfp(unsigned int a); // Appears to convert from - // unisgned int to float. -int __gedf2vfp(double a, double b); // Appears to return __gedf2 - // (a >= b) -int __gesf2vfp(float a, float b); // Appears to return __gesf2 - // (a >= b) -int __gtdf2vfp(double a, double b); // Appears to return __gtdf2 - // (a > b) -int __gtsf2vfp(float a, float b); // Appears to return __gtsf2 - // (a > b) -int __ledf2vfp(double a, double b); // Appears to return __ledf2 - // (a <= b) -int __lesf2vfp(float a, float b); // Appears to return __lesf2 - // (a <= b) -int __ltdf2vfp(double a, double b); // Appears to return __ltdf2 - // (a < b) -int __ltsf2vfp(float a, float b); // Appears to return __ltsf2 - // (a < b) -double __muldf3vfp(double a, double b); // Appears to return a * b -float __mulsf3vfp(float a, float b); // Appears to return a * b -int __nedf2vfp(double a, double b); // Appears to return __nedf2 - // (a != b) -double __negdf2vfp(double a); // Appears to return -a -float __negsf2vfp(float a); // Appears to return -a -float __negsf2vfp(float a); // Appears to return -a -double __subdf3vfp(double a, double b); // Appears to return a - b -float __subsf3vfp(float a, float b); // Appears to return a - b -float __truncdfsf2vfp(double a); // Appears to convert from - // double to float. -int __unorddf2vfp(double a, double b); // Appears to return __unorddf2 -int __unordsf2vfp(float a, float b); // Appears to return __unordsf2 - - -Preconditions are listed for each function at the definition when there are any. -Any preconditions reflect the specification at -http://gcc.gnu.org/onlinedocs/gccint/Libgcc.html#Libgcc. - -Assumptions are listed in "int_lib.h", and in individual files. Where possible -assumptions are checked at compile time. diff --git a/lib/libcompiler_rt/aarch64/chkstk.S b/lib/libcompiler_rt/aarch64/chkstk.S deleted file mode 100644 index 89ec90b08a1..00000000000 --- a/lib/libcompiler_rt/aarch64/chkstk.S +++ /dev/null @@ -1,34 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// __chkstk routine -// This routine is windows specific. -// http://msdn.microsoft.com/en-us/library/ms648426.aspx - -// This clobbers registers x16 and x17. -// Does not modify any memory or the stack pointer. - -// mov x15, #256 // Number of bytes of stack, in units of 16 byte -// bl __chkstk -// sub sp, sp, x15, lsl #4 - -#ifdef __aarch64__ - -#define PAGE_SIZE 4096 - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__chkstk) - lsl x16, x15, #4 - mov x17, sp -1: - sub x17, x17, #PAGE_SIZE - subs x16, x16, #PAGE_SIZE - ldr xzr, [x17] - b.gt 1b - - ret -END_COMPILERRT_FUNCTION(__chkstk) - -#endif // __aarch64__ diff --git a/lib/libcompiler_rt/absvdi2.c b/lib/libcompiler_rt/absvdi2.c deleted file mode 100644 index 682c2355d2a..00000000000 --- a/lib/libcompiler_rt/absvdi2.c +++ /dev/null @@ -1,29 +0,0 @@ -/*===-- absvdi2.c - Implement __absvdi2 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------=== - * - * This file implements __absvdi2 for the compiler_rt library. - * - *===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: absolute value */ - -/* Effects: aborts if abs(x) < 0 */ - -COMPILER_RT_ABI di_int -__absvdi2(di_int a) -{ - const int N = (int)(sizeof(di_int) * CHAR_BIT); - if (a == ((di_int)1 << (N-1))) - compilerrt_abort(); - const di_int t = a >> (N - 1); - return (a ^ t) - t; -} diff --git a/lib/libcompiler_rt/absvsi2.c b/lib/libcompiler_rt/absvsi2.c deleted file mode 100644 index 4812af81598..00000000000 --- a/lib/libcompiler_rt/absvsi2.c +++ /dev/null @@ -1,29 +0,0 @@ -/* ===-- absvsi2.c - Implement __absvsi2 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __absvsi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: absolute value */ - -/* Effects: aborts if abs(x) < 0 */ - -COMPILER_RT_ABI si_int -__absvsi2(si_int a) -{ - const int N = (int)(sizeof(si_int) * CHAR_BIT); - if (a == (1 << (N-1))) - compilerrt_abort(); - const si_int t = a >> (N - 1); - return (a ^ t) - t; -} diff --git a/lib/libcompiler_rt/absvti2.c b/lib/libcompiler_rt/absvti2.c deleted file mode 100644 index 7927770c9ab..00000000000 --- a/lib/libcompiler_rt/absvti2.c +++ /dev/null @@ -1,34 +0,0 @@ -/* ===-- absvti2.c - Implement __absvdi2 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __absvti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: absolute value */ - -/* Effects: aborts if abs(x) < 0 */ - -COMPILER_RT_ABI ti_int -__absvti2(ti_int a) -{ - const int N = (int)(sizeof(ti_int) * CHAR_BIT); - if (a == ((ti_int)1 << (N-1))) - compilerrt_abort(); - const ti_int s = a >> (N - 1); - return (a ^ s) - s; -} - -#endif /* CRT_HAS_128BIT */ - diff --git a/lib/libcompiler_rt/adddf3.c b/lib/libcompiler_rt/adddf3.c deleted file mode 100644 index 9a3901312e5..00000000000 --- a/lib/libcompiler_rt/adddf3.c +++ /dev/null @@ -1,30 +0,0 @@ -//===-- lib/adddf3.c - Double-precision addition ------------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements double-precision soft-float addition with the IEEE-754 -// default rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#define DOUBLE_PRECISION -#include "fp_add_impl.inc" - -COMPILER_RT_ABI double __adddf3(double a, double b){ - return __addXf3__(a, b); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI double __aeabi_dadd(double a, double b) { - return __adddf3(a, b); -} -#else -AEABI_RTABI double __aeabi_dadd(double a, double b) COMPILER_RT_ALIAS(__adddf3); -#endif -#endif diff --git a/lib/libcompiler_rt/addsf3.c b/lib/libcompiler_rt/addsf3.c deleted file mode 100644 index c5c1a41c361..00000000000 --- a/lib/libcompiler_rt/addsf3.c +++ /dev/null @@ -1,30 +0,0 @@ -//===-- lib/addsf3.c - Single-precision addition ------------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements single-precision soft-float addition with the IEEE-754 -// default rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "fp_add_impl.inc" - -COMPILER_RT_ABI float __addsf3(float a, float b) { - return __addXf3__(a, b); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI float __aeabi_fadd(float a, float b) { - return __addsf3(a, b); -} -#else -AEABI_RTABI float __aeabi_fadd(float a, float b) COMPILER_RT_ALIAS(__addsf3); -#endif -#endif diff --git a/lib/libcompiler_rt/addtf3.c b/lib/libcompiler_rt/addtf3.c deleted file mode 100644 index e4bbe0227ae..00000000000 --- a/lib/libcompiler_rt/addtf3.c +++ /dev/null @@ -1,25 +0,0 @@ -//===-- lib/addtf3.c - Quad-precision addition --------------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements quad-precision soft-float addition with the IEEE-754 -// default rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -#include "fp_add_impl.inc" - -COMPILER_RT_ABI long double __addtf3(long double a, long double b){ - return __addXf3__(a, b); -} - -#endif diff --git a/lib/libcompiler_rt/addvdi3.c b/lib/libcompiler_rt/addvdi3.c deleted file mode 100644 index 0da38945679..00000000000 --- a/lib/libcompiler_rt/addvdi3.c +++ /dev/null @@ -1,36 +0,0 @@ -/* ===-- addvdi3.c - Implement __addvdi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __addvdi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a + b */ - -/* Effects: aborts if a + b overflows */ - -COMPILER_RT_ABI di_int -__addvdi3(di_int a, di_int b) -{ - di_int s = (du_int) a + (du_int) b; - if (b >= 0) - { - if (s < a) - compilerrt_abort(); - } - else - { - if (s >= a) - compilerrt_abort(); - } - return s; -} diff --git a/lib/libcompiler_rt/addvsi3.c b/lib/libcompiler_rt/addvsi3.c deleted file mode 100644 index 94ca726f42b..00000000000 --- a/lib/libcompiler_rt/addvsi3.c +++ /dev/null @@ -1,36 +0,0 @@ -/* ===-- addvsi3.c - Implement __addvsi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __addvsi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a + b */ - -/* Effects: aborts if a + b overflows */ - -COMPILER_RT_ABI si_int -__addvsi3(si_int a, si_int b) -{ - si_int s = (su_int) a + (su_int) b; - if (b >= 0) - { - if (s < a) - compilerrt_abort(); - } - else - { - if (s >= a) - compilerrt_abort(); - } - return s; -} diff --git a/lib/libcompiler_rt/addvti3.c b/lib/libcompiler_rt/addvti3.c deleted file mode 100644 index c224de60aab..00000000000 --- a/lib/libcompiler_rt/addvti3.c +++ /dev/null @@ -1,40 +0,0 @@ -/* ===-- addvti3.c - Implement __addvti3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __addvti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: a + b */ - -/* Effects: aborts if a + b overflows */ - -COMPILER_RT_ABI ti_int -__addvti3(ti_int a, ti_int b) -{ - ti_int s = (tu_int) a + (tu_int) b; - if (b >= 0) - { - if (s < a) - compilerrt_abort(); - } - else - { - if (s >= a) - compilerrt_abort(); - } - return s; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/apple_versioning.c b/lib/libcompiler_rt/apple_versioning.c deleted file mode 100644 index 3797a1ab02d..00000000000 --- a/lib/libcompiler_rt/apple_versioning.c +++ /dev/null @@ -1,350 +0,0 @@ -/* ===-- apple_versioning.c - Adds versioning symbols for ld ---------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - - -#if __APPLE__ - #include <Availability.h> - - #if __IPHONE_OS_VERSION_MIN_REQUIRED - #define NOT_HERE_BEFORE_10_6(sym) - #define NOT_HERE_IN_10_8_AND_EARLIER(sym) \ - extern const char sym##_tmp61 __asm("$ld$hide$os6.1$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp61 = 0; \ - extern const char sym##_tmp60 __asm("$ld$hide$os6.0$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp60 = 0; \ - extern const char sym##_tmp51 __asm("$ld$hide$os5.1$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp51 = 0; \ - extern const char sym##_tmp50 __asm("$ld$hide$os5.0$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp50 = 0; - #else - #define NOT_HERE_BEFORE_10_6(sym) \ - extern const char sym##_tmp4 __asm("$ld$hide$os10.4$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp4 = 0; \ - extern const char sym##_tmp5 __asm("$ld$hide$os10.5$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp5 = 0; - #define NOT_HERE_IN_10_8_AND_EARLIER(sym) \ - extern const char sym##_tmp8 __asm("$ld$hide$os10.8$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp8 = 0; \ - extern const char sym##_tmp7 __asm("$ld$hide$os10.7$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp7 = 0; \ - extern const char sym##_tmp6 __asm("$ld$hide$os10.6$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp6 = 0; - #endif - - -/* Symbols in libSystem.dylib in 10.6 and later, - * but are in libgcc_s.dylib in earlier versions - */ - -NOT_HERE_BEFORE_10_6(__absvdi2) -NOT_HERE_BEFORE_10_6(__absvsi2) -NOT_HERE_BEFORE_10_6(__absvti2) -NOT_HERE_BEFORE_10_6(__addvdi3) -NOT_HERE_BEFORE_10_6(__addvsi3) -NOT_HERE_BEFORE_10_6(__addvti3) -NOT_HERE_BEFORE_10_6(__ashldi3) -NOT_HERE_BEFORE_10_6(__ashlti3) -NOT_HERE_BEFORE_10_6(__ashrdi3) -NOT_HERE_BEFORE_10_6(__ashrti3) -NOT_HERE_BEFORE_10_6(__clear_cache) -NOT_HERE_BEFORE_10_6(__clzdi2) -NOT_HERE_BEFORE_10_6(__clzsi2) -NOT_HERE_BEFORE_10_6(__clzti2) -NOT_HERE_BEFORE_10_6(__cmpdi2) -NOT_HERE_BEFORE_10_6(__cmpti2) -NOT_HERE_BEFORE_10_6(__ctzdi2) -NOT_HERE_BEFORE_10_6(__ctzsi2) -NOT_HERE_BEFORE_10_6(__ctzti2) -NOT_HERE_BEFORE_10_6(__divdc3) -NOT_HERE_BEFORE_10_6(__divdi3) -NOT_HERE_BEFORE_10_6(__divsc3) -NOT_HERE_BEFORE_10_6(__divtc3) -NOT_HERE_BEFORE_10_6(__divti3) -NOT_HERE_BEFORE_10_6(__divxc3) -NOT_HERE_BEFORE_10_6(__enable_execute_stack) -NOT_HERE_BEFORE_10_6(__ffsdi2) -NOT_HERE_BEFORE_10_6(__ffsti2) -NOT_HERE_BEFORE_10_6(__fixdfdi) -NOT_HERE_BEFORE_10_6(__fixdfti) -NOT_HERE_BEFORE_10_6(__fixsfdi) -NOT_HERE_BEFORE_10_6(__fixsfti) -NOT_HERE_BEFORE_10_6(__fixtfdi) -NOT_HERE_BEFORE_10_6(__fixunsdfdi) -NOT_HERE_BEFORE_10_6(__fixunsdfsi) -NOT_HERE_BEFORE_10_6(__fixunsdfti) -NOT_HERE_BEFORE_10_6(__fixunssfdi) -NOT_HERE_BEFORE_10_6(__fixunssfsi) -NOT_HERE_BEFORE_10_6(__fixunssfti) -NOT_HERE_BEFORE_10_6(__fixunstfdi) -NOT_HERE_BEFORE_10_6(__fixunsxfdi) -NOT_HERE_BEFORE_10_6(__fixunsxfsi) -NOT_HERE_BEFORE_10_6(__fixunsxfti) -NOT_HERE_BEFORE_10_6(__fixxfdi) -NOT_HERE_BEFORE_10_6(__fixxfti) -NOT_HERE_BEFORE_10_6(__floatdidf) -NOT_HERE_BEFORE_10_6(__floatdisf) -NOT_HERE_BEFORE_10_6(__floatditf) -NOT_HERE_BEFORE_10_6(__floatdixf) -NOT_HERE_BEFORE_10_6(__floattidf) -NOT_HERE_BEFORE_10_6(__floattisf) -NOT_HERE_BEFORE_10_6(__floattixf) -NOT_HERE_BEFORE_10_6(__floatundidf) -NOT_HERE_BEFORE_10_6(__floatundisf) -NOT_HERE_BEFORE_10_6(__floatunditf) -NOT_HERE_BEFORE_10_6(__floatundixf) -NOT_HERE_BEFORE_10_6(__floatuntidf) -NOT_HERE_BEFORE_10_6(__floatuntisf) -NOT_HERE_BEFORE_10_6(__floatuntixf) -NOT_HERE_BEFORE_10_6(__gcc_personality_v0) -NOT_HERE_BEFORE_10_6(__lshrdi3) -NOT_HERE_BEFORE_10_6(__lshrti3) -NOT_HERE_BEFORE_10_6(__moddi3) -NOT_HERE_BEFORE_10_6(__modti3) -NOT_HERE_BEFORE_10_6(__muldc3) -NOT_HERE_BEFORE_10_6(__muldi3) -NOT_HERE_BEFORE_10_6(__mulsc3) -NOT_HERE_BEFORE_10_6(__multc3) -NOT_HERE_BEFORE_10_6(__multi3) -NOT_HERE_BEFORE_10_6(__mulvdi3) -NOT_HERE_BEFORE_10_6(__mulvsi3) -NOT_HERE_BEFORE_10_6(__mulvti3) -NOT_HERE_BEFORE_10_6(__mulxc3) -NOT_HERE_BEFORE_10_6(__negdi2) -NOT_HERE_BEFORE_10_6(__negti2) -NOT_HERE_BEFORE_10_6(__negvdi2) -NOT_HERE_BEFORE_10_6(__negvsi2) -NOT_HERE_BEFORE_10_6(__negvti2) -NOT_HERE_BEFORE_10_6(__paritydi2) -NOT_HERE_BEFORE_10_6(__paritysi2) -NOT_HERE_BEFORE_10_6(__parityti2) -NOT_HERE_BEFORE_10_6(__popcountdi2) -NOT_HERE_BEFORE_10_6(__popcountsi2) -NOT_HERE_BEFORE_10_6(__popcountti2) -NOT_HERE_BEFORE_10_6(__powidf2) -NOT_HERE_BEFORE_10_6(__powisf2) -NOT_HERE_BEFORE_10_6(__powitf2) -NOT_HERE_BEFORE_10_6(__powixf2) -NOT_HERE_BEFORE_10_6(__subvdi3) -NOT_HERE_BEFORE_10_6(__subvsi3) -NOT_HERE_BEFORE_10_6(__subvti3) -NOT_HERE_BEFORE_10_6(__ucmpdi2) -NOT_HERE_BEFORE_10_6(__ucmpti2) -NOT_HERE_BEFORE_10_6(__udivdi3) -NOT_HERE_BEFORE_10_6(__udivmoddi4) -NOT_HERE_BEFORE_10_6(__udivmodti4) -NOT_HERE_BEFORE_10_6(__udivti3) -NOT_HERE_BEFORE_10_6(__umoddi3) -NOT_HERE_BEFORE_10_6(__umodti3) - - -#if __ppc__ -NOT_HERE_BEFORE_10_6(__gcc_qadd) -NOT_HERE_BEFORE_10_6(__gcc_qdiv) -NOT_HERE_BEFORE_10_6(__gcc_qmul) -NOT_HERE_BEFORE_10_6(__gcc_qsub) -NOT_HERE_BEFORE_10_6(__trampoline_setup) -#endif /* __ppc__ */ - -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_compare_exchange) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_compare_exchange_1) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_compare_exchange_2) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_compare_exchange_4) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_compare_exchange_8) - -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_exchange) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_exchange_1) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_exchange_2) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_exchange_4) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_exchange_8) - -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_add_1) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_add_2) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_add_4) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_add_8) - -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_and_1) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_and_2) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_and_4) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_and_8) - -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_or_1) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_or_2) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_or_4) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_or_8) - -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_sub_1) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_sub_2) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_sub_4) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_sub_8) - -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_xor_1) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_xor_2) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_xor_4) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_fetch_xor_8) - -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_load) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_load_1) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_load_2) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_load_4) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_load_8) - -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_store) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_store_1) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_store_2) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_store_4) -NOT_HERE_IN_10_8_AND_EARLIER(__atomic_store_8) - - -#if __arm__ && __DYNAMIC__ - #define NOT_HERE_UNTIL_AFTER_4_3(sym) \ - extern const char sym##_tmp1 __asm("$ld$hide$os3.0$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp1 = 0; \ - extern const char sym##_tmp2 __asm("$ld$hide$os3.1$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp2 = 0; \ - extern const char sym##_tmp3 __asm("$ld$hide$os3.2$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp3 = 0; \ - extern const char sym##_tmp4 __asm("$ld$hide$os4.0$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp4 = 0; \ - extern const char sym##_tmp5 __asm("$ld$hide$os4.1$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp5 = 0; \ - extern const char sym##_tmp6 __asm("$ld$hide$os4.2$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp6 = 0; \ - extern const char sym##_tmp7 __asm("$ld$hide$os4.3$_" #sym ); \ - __attribute__((visibility("default"))) const char sym##_tmp7 = 0; - -NOT_HERE_UNTIL_AFTER_4_3(__absvdi2) -NOT_HERE_UNTIL_AFTER_4_3(__absvsi2) -NOT_HERE_UNTIL_AFTER_4_3(__adddf3) -NOT_HERE_UNTIL_AFTER_4_3(__adddf3vfp) -NOT_HERE_UNTIL_AFTER_4_3(__addsf3) -NOT_HERE_UNTIL_AFTER_4_3(__addsf3vfp) -NOT_HERE_UNTIL_AFTER_4_3(__addvdi3) -NOT_HERE_UNTIL_AFTER_4_3(__addvsi3) -NOT_HERE_UNTIL_AFTER_4_3(__ashldi3) -NOT_HERE_UNTIL_AFTER_4_3(__ashrdi3) -NOT_HERE_UNTIL_AFTER_4_3(__bswapdi2) -NOT_HERE_UNTIL_AFTER_4_3(__bswapsi2) -NOT_HERE_UNTIL_AFTER_4_3(__clzdi2) -NOT_HERE_UNTIL_AFTER_4_3(__clzsi2) -NOT_HERE_UNTIL_AFTER_4_3(__cmpdi2) -NOT_HERE_UNTIL_AFTER_4_3(__ctzdi2) -NOT_HERE_UNTIL_AFTER_4_3(__ctzsi2) -NOT_HERE_UNTIL_AFTER_4_3(__divdc3) -NOT_HERE_UNTIL_AFTER_4_3(__divdf3) -NOT_HERE_UNTIL_AFTER_4_3(__divdf3vfp) -NOT_HERE_UNTIL_AFTER_4_3(__divdi3) -NOT_HERE_UNTIL_AFTER_4_3(__divsc3) -NOT_HERE_UNTIL_AFTER_4_3(__divsf3) -NOT_HERE_UNTIL_AFTER_4_3(__divsf3vfp) -NOT_HERE_UNTIL_AFTER_4_3(__divsi3) -NOT_HERE_UNTIL_AFTER_4_3(__eqdf2) -NOT_HERE_UNTIL_AFTER_4_3(__eqdf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__eqsf2) -NOT_HERE_UNTIL_AFTER_4_3(__eqsf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__extendsfdf2) -NOT_HERE_UNTIL_AFTER_4_3(__extendsfdf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__ffsdi2) -NOT_HERE_UNTIL_AFTER_4_3(__fixdfdi) -NOT_HERE_UNTIL_AFTER_4_3(__fixdfsi) -NOT_HERE_UNTIL_AFTER_4_3(__fixdfsivfp) -NOT_HERE_UNTIL_AFTER_4_3(__fixsfdi) -NOT_HERE_UNTIL_AFTER_4_3(__fixsfsi) -NOT_HERE_UNTIL_AFTER_4_3(__fixsfsivfp) -NOT_HERE_UNTIL_AFTER_4_3(__fixunsdfdi) -NOT_HERE_UNTIL_AFTER_4_3(__fixunsdfsi) -NOT_HERE_UNTIL_AFTER_4_3(__fixunsdfsivfp) -NOT_HERE_UNTIL_AFTER_4_3(__fixunssfdi) -NOT_HERE_UNTIL_AFTER_4_3(__fixunssfsi) -NOT_HERE_UNTIL_AFTER_4_3(__fixunssfsivfp) -NOT_HERE_UNTIL_AFTER_4_3(__floatdidf) -NOT_HERE_UNTIL_AFTER_4_3(__floatdisf) -NOT_HERE_UNTIL_AFTER_4_3(__floatsidf) -NOT_HERE_UNTIL_AFTER_4_3(__floatsidfvfp) -NOT_HERE_UNTIL_AFTER_4_3(__floatsisf) -NOT_HERE_UNTIL_AFTER_4_3(__floatsisfvfp) -NOT_HERE_UNTIL_AFTER_4_3(__floatundidf) -NOT_HERE_UNTIL_AFTER_4_3(__floatundisf) -NOT_HERE_UNTIL_AFTER_4_3(__floatunsidf) -NOT_HERE_UNTIL_AFTER_4_3(__floatunsisf) -NOT_HERE_UNTIL_AFTER_4_3(__floatunssidfvfp) -NOT_HERE_UNTIL_AFTER_4_3(__floatunssisfvfp) -NOT_HERE_UNTIL_AFTER_4_3(__gedf2) -NOT_HERE_UNTIL_AFTER_4_3(__gedf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__gesf2) -NOT_HERE_UNTIL_AFTER_4_3(__gesf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__gtdf2) -NOT_HERE_UNTIL_AFTER_4_3(__gtdf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__gtsf2) -NOT_HERE_UNTIL_AFTER_4_3(__gtsf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__ledf2) -NOT_HERE_UNTIL_AFTER_4_3(__ledf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__lesf2) -NOT_HERE_UNTIL_AFTER_4_3(__lesf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__lshrdi3) -NOT_HERE_UNTIL_AFTER_4_3(__ltdf2) -NOT_HERE_UNTIL_AFTER_4_3(__ltdf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__ltsf2) -NOT_HERE_UNTIL_AFTER_4_3(__ltsf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__moddi3) -NOT_HERE_UNTIL_AFTER_4_3(__modsi3) -NOT_HERE_UNTIL_AFTER_4_3(__muldc3) -NOT_HERE_UNTIL_AFTER_4_3(__muldf3) -NOT_HERE_UNTIL_AFTER_4_3(__muldf3vfp) -NOT_HERE_UNTIL_AFTER_4_3(__muldi3) -NOT_HERE_UNTIL_AFTER_4_3(__mulsc3) -NOT_HERE_UNTIL_AFTER_4_3(__mulsf3) -NOT_HERE_UNTIL_AFTER_4_3(__mulsf3vfp) -NOT_HERE_UNTIL_AFTER_4_3(__mulvdi3) -NOT_HERE_UNTIL_AFTER_4_3(__mulvsi3) -NOT_HERE_UNTIL_AFTER_4_3(__nedf2) -NOT_HERE_UNTIL_AFTER_4_3(__nedf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__negdi2) -NOT_HERE_UNTIL_AFTER_4_3(__negvdi2) -NOT_HERE_UNTIL_AFTER_4_3(__negvsi2) -NOT_HERE_UNTIL_AFTER_4_3(__nesf2) -NOT_HERE_UNTIL_AFTER_4_3(__nesf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__paritydi2) -NOT_HERE_UNTIL_AFTER_4_3(__paritysi2) -NOT_HERE_UNTIL_AFTER_4_3(__popcountdi2) -NOT_HERE_UNTIL_AFTER_4_3(__popcountsi2) -NOT_HERE_UNTIL_AFTER_4_3(__powidf2) -NOT_HERE_UNTIL_AFTER_4_3(__powisf2) -NOT_HERE_UNTIL_AFTER_4_3(__subdf3) -NOT_HERE_UNTIL_AFTER_4_3(__subdf3vfp) -NOT_HERE_UNTIL_AFTER_4_3(__subsf3) -NOT_HERE_UNTIL_AFTER_4_3(__subsf3vfp) -NOT_HERE_UNTIL_AFTER_4_3(__subvdi3) -NOT_HERE_UNTIL_AFTER_4_3(__subvsi3) -NOT_HERE_UNTIL_AFTER_4_3(__truncdfsf2) -NOT_HERE_UNTIL_AFTER_4_3(__truncdfsf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__ucmpdi2) -NOT_HERE_UNTIL_AFTER_4_3(__udivdi3) -NOT_HERE_UNTIL_AFTER_4_3(__udivmoddi4) -NOT_HERE_UNTIL_AFTER_4_3(__udivsi3) -NOT_HERE_UNTIL_AFTER_4_3(__umoddi3) -NOT_HERE_UNTIL_AFTER_4_3(__umodsi3) -NOT_HERE_UNTIL_AFTER_4_3(__unorddf2) -NOT_HERE_UNTIL_AFTER_4_3(__unorddf2vfp) -NOT_HERE_UNTIL_AFTER_4_3(__unordsf2) -NOT_HERE_UNTIL_AFTER_4_3(__unordsf2vfp) - -NOT_HERE_UNTIL_AFTER_4_3(__divmodsi4) -NOT_HERE_UNTIL_AFTER_4_3(__udivmodsi4) -#endif // __arm__ && __DYNAMIC__ - - - - - -#else /* !__APPLE__ */ - -extern int avoid_empty_file; - -#endif /* !__APPLE__*/ diff --git a/lib/libcompiler_rt/arm/adddf3vfp.S b/lib/libcompiler_rt/arm/adddf3vfp.S deleted file mode 100644 index 8e476cad162..00000000000 --- a/lib/libcompiler_rt/arm/adddf3vfp.S +++ /dev/null @@ -1,33 +0,0 @@ -//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// double __adddf3vfp(double a, double b) { return a + b; } -// -// Adds two double precision floating point numbers using the Darwin -// calling convention where double arguments are passsed in GPR pairs -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__adddf3vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vadd.f64 d0, d0, d1 -#else - vmov d6, r0, r1 // move first param from r0/r1 pair into d6 - vmov d7, r2, r3 // move second param from r2/r3 pair into d7 - vadd.f64 d6, d6, d7 - vmov r0, r1, d6 // move result back to r0/r1 pair -#endif - bx lr -END_COMPILERRT_FUNCTION(__adddf3vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/addsf3.S b/lib/libcompiler_rt/arm/addsf3.S deleted file mode 100644 index 74723cbeff7..00000000000 --- a/lib/libcompiler_rt/arm/addsf3.S +++ /dev/null @@ -1,277 +0,0 @@ -/*===-- addsf3.S - Adds two single precision floating pointer numbers-----===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __addsf3 (single precision floating pointer number - * addition with the IEEE-754 default rounding (to nearest, ties to even) - * function for the ARM Thumb1 ISA. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" -#define significandBits 23 -#define typeWidth 32 - - .syntax unified - .text - .thumb - .p2align 2 - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_fadd, __addsf3) - -DEFINE_COMPILERRT_THUMB_FUNCTION(__addsf3) - push {r4, r5, r6, r7, lr} - // Get the absolute value of a and b. - lsls r2, r0, #1 - lsls r3, r1, #1 - lsrs r2, r2, #1 /* aAbs */ - beq LOCAL_LABEL(a_zero_nan_inf) - lsrs r3, r3, #1 /* bAbs */ - beq LOCAL_LABEL(zero_nan_inf) - - // Detect if a or b is infinity or Nan. - lsrs r6, r2, #(significandBits) - lsrs r7, r3, #(significandBits) - cmp r6, #0xFF - beq LOCAL_LABEL(zero_nan_inf) - cmp r7, #0xFF - beq LOCAL_LABEL(zero_nan_inf) - - // Swap Rep and Abs so that a and aAbs has the larger absolute value. - cmp r2, r3 - bhs LOCAL_LABEL(no_swap) - movs r4, r0 - movs r5, r2 - movs r0, r1 - movs r2, r3 - movs r1, r4 - movs r3, r5 -LOCAL_LABEL(no_swap): - - // Get the significands and shift them to give us round, guard and sticky. - lsls r4, r0, #(typeWidth - significandBits) - lsrs r4, r4, #(typeWidth - significandBits - 3) /* aSignificand << 3 */ - lsls r5, r1, #(typeWidth - significandBits) - lsrs r5, r5, #(typeWidth - significandBits - 3) /* bSignificand << 3 */ - - // Get the implicitBit. - movs r6, #1 - lsls r6, r6, #(significandBits + 3) - - // Get aExponent and set implicit bit if necessary. - lsrs r2, r2, #(significandBits) - beq LOCAL_LABEL(a_done_implicit_bit) - orrs r4, r6 -LOCAL_LABEL(a_done_implicit_bit): - - // Get bExponent and set implicit bit if necessary. - lsrs r3, r3, #(significandBits) - beq LOCAL_LABEL(b_done_implicit_bit) - orrs r5, r6 -LOCAL_LABEL(b_done_implicit_bit): - - // Get the difference in exponents. - subs r6, r2, r3 - beq LOCAL_LABEL(done_align) - - // If b is denormal, then a must be normal as align > 0, and we only need to - // right shift bSignificand by (align - 1) bits. - cmp r3, #0 - bne 1f - subs r6, r6, #1 -1: - - // No longer needs bExponent. r3 is dead here. - // Set sticky bits of b: sticky = bSignificand << (typeWidth - align). - movs r3, #(typeWidth) - subs r3, r3, r6 - movs r7, r5 - lsls r7, r3 - beq 1f - movs r7, #1 -1: - - // bSignificand = bSignificand >> align | sticky; - lsrs r5, r6 - orrs r5, r7 - bne LOCAL_LABEL(done_align) - movs r5, #1 // sticky; b is known to be non-zero. - -LOCAL_LABEL(done_align): - // isSubtraction = (aRep ^ bRep) >> 31; - movs r7, r0 - eors r7, r1 - lsrs r7, #31 - bne LOCAL_LABEL(do_substraction) - - // Same sign, do Addition. - - // aSignificand += bSignificand; - adds r4, r4, r5 - - // Check carry bit. - movs r6, #1 - lsls r6, r6, #(significandBits + 3 + 1) - movs r7, r4 - ands r7, r6 - beq LOCAL_LABEL(form_result) - // If the addition carried up, we need to right-shift the result and - // adjust the exponent. - movs r7, r4 - movs r6, #1 - ands r7, r6 // sticky = aSignificand & 1; - lsrs r4, #1 - orrs r4, r7 // result Significand - adds r2, #1 // result Exponent - // If we have overflowed the type, return +/- infinity. - cmp r2, 0xFF - beq LOCAL_LABEL(ret_inf) - -LOCAL_LABEL(form_result): - // Shift the sign, exponent and significand into place. - lsrs r0, #(typeWidth - 1) - lsls r0, #(typeWidth - 1) // Get Sign. - lsls r2, #(significandBits) - orrs r0, r2 - movs r1, r4 - lsls r4, #(typeWidth - significandBits - 3) - lsrs r4, #(typeWidth - significandBits) - orrs r0, r4 - - // Final rounding. The result may overflow to infinity, but that is the - // correct result in that case. - // roundGuardSticky = aSignificand & 0x7; - movs r2, #0x7 - ands r1, r2 - // if (roundGuardSticky > 0x4) result++; - - cmp r1, #0x4 - blt LOCAL_LABEL(done_round) - beq 1f - adds r0, #1 - pop {r4, r5, r6, r7, pc} -1: - - // if (roundGuardSticky == 0x4) result += result & 1; - movs r1, r0 - lsrs r1, #1 - bcc LOCAL_LABEL(done_round) - adds r0, r0, #1 -LOCAL_LABEL(done_round): - pop {r4, r5, r6, r7, pc} - -LOCAL_LABEL(do_substraction): - subs r4, r4, r5 // aSignificand -= bSignificand; - beq LOCAL_LABEL(ret_zero) - movs r6, r4 - cmp r2, 0 - beq LOCAL_LABEL(form_result) // if a's exp is 0, no need to normalize. - // If partial cancellation occured, we need to left-shift the result - // and adjust the exponent: - lsrs r6, r6, #(significandBits + 3) - bne LOCAL_LABEL(form_result) - - push {r0, r1, r2, r3} - movs r0, r4 - bl SYMBOL_NAME(__clzsi2) - movs r5, r0 - pop {r0, r1, r2, r3} - // shift = rep_clz(aSignificand) - rep_clz(implicitBit << 3); - subs r5, r5, #(typeWidth - significandBits - 3 - 1) - // aSignificand <<= shift; aExponent -= shift; - lsls r4, r5 - subs r2, r2, r5 - bgt LOCAL_LABEL(form_result) - - // Do normalization if aExponent <= 0. - movs r6, #1 - subs r6, r6, r2 // 1 - aExponent; - movs r2, #0 // aExponent = 0; - movs r3, #(typeWidth) // bExponent is dead. - subs r3, r3, r6 - movs r7, r4 - lsls r7, r3 // stickyBit = (bool)(aSignificant << (typeWidth - align)) - beq 1f - movs r7, #1 -1: - lsrs r4, r6 /* aSignificand >> shift */ - orrs r4, r7 - b LOCAL_LABEL(form_result) - -LOCAL_LABEL(ret_zero): - movs r0, #0 - pop {r4, r5, r6, r7, pc} - - -LOCAL_LABEL(a_zero_nan_inf): - lsrs r3, r3, #1 - -LOCAL_LABEL(zero_nan_inf): - // Here r2 has aAbs, r3 has bAbs - movs r4, #0xFF - lsls r4, r4, #(significandBits) // Make +inf. - - cmp r2, r4 - bhi LOCAL_LABEL(a_is_nan) - cmp r3, r4 - bhi LOCAL_LABEL(b_is_nan) - - cmp r2, r4 - bne LOCAL_LABEL(a_is_rational) - // aAbs is INF. - eors r1, r0 // aRep ^ bRep. - movs r6, #1 - lsls r6, r6, #(typeWidth - 1) // get sign mask. - cmp r1, r6 // if they only differ on sign bit, it's -INF + INF - beq LOCAL_LABEL(a_is_nan) - pop {r4, r5, r6, r7, pc} - -LOCAL_LABEL(a_is_rational): - cmp r3, r4 - bne LOCAL_LABEL(b_is_rational) - movs r0, r1 - pop {r4, r5, r6, r7, pc} - -LOCAL_LABEL(b_is_rational): - // either a or b or both are zero. - adds r4, r2, r3 - beq LOCAL_LABEL(both_zero) - cmp r2, #0 // is absA 0 ? - beq LOCAL_LABEL(ret_b) - pop {r4, r5, r6, r7, pc} - -LOCAL_LABEL(both_zero): - ands r0, r1 // +0 + -0 = +0 - pop {r4, r5, r6, r7, pc} - -LOCAL_LABEL(ret_b): - movs r0, r1 - -LOCAL_LABEL(ret): - pop {r4, r5, r6, r7, pc} - -LOCAL_LABEL(b_is_nan): - movs r0, r1 -LOCAL_LABEL(a_is_nan): - movs r1, #1 - lsls r1, r1, #(significandBits -1) // r1 is quiet bit. - orrs r0, r1 - pop {r4, r5, r6, r7, pc} - -LOCAL_LABEL(ret_inf): - movs r4, #0xFF - lsls r4, r4, #(significandBits) - orrs r0, r4 - lsrs r0, r0, #(significandBits) - lsls r0, r0, #(significandBits) - pop {r4, r5, r6, r7, pc} - - -END_COMPILERRT_FUNCTION(__addsf3) - -NO_EXEC_STACK_DIRECTIVE diff --git a/lib/libcompiler_rt/arm/addsf3vfp.S b/lib/libcompiler_rt/arm/addsf3vfp.S deleted file mode 100644 index 8871efdcc5d..00000000000 --- a/lib/libcompiler_rt/arm/addsf3vfp.S +++ /dev/null @@ -1,33 +0,0 @@ -//===-- addsf3vfp.S - Implement addsf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __addsf3vfp(float a, float b); -// -// Adds two single precision floating point numbers using the Darwin -// calling convention where single arguments are passsed in GPRs -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__addsf3vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vadd.f32 s0, s0, s1 -#else - vmov s14, r0 // move first param from r0 into float register - vmov s15, r1 // move second param from r1 into float register - vadd.f32 s14, s14, s15 - vmov r0, s14 // move result back to r0 -#endif - bx lr -END_COMPILERRT_FUNCTION(__addsf3vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_cdcmp.S b/lib/libcompiler_rt/arm/aeabi_cdcmp.S deleted file mode 100644 index adc2d55d90f..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_cdcmp.S +++ /dev/null @@ -1,145 +0,0 @@ -//===-- aeabi_cdcmp.S - EABI cdcmp* implementation ------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__ -#error big endian support not implemented -#endif - -#define APSR_Z (1 << 30) -#define APSR_C (1 << 29) - -// void __aeabi_cdcmpeq(double a, double b) { -// if (isnan(a) || isnan(b)) { -// Z = 0; C = 1; -// } else { -// __aeabi_cdcmple(a, b); -// } -// } - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_cdcmpeq) - push {r0-r3, lr} - bl __aeabi_cdcmpeq_check_nan - cmp r0, #1 -#if defined(USE_THUMB_1) - beq 1f - // NaN has been ruled out, so __aeabi_cdcmple can't trap - mov r0, sp - ldm r0, {r0-r3} - bl __aeabi_cdcmple - pop {r0-r3, pc} -1: - // Z = 0, C = 1 - movs r0, #0xF - lsls r0, r0, #31 - pop {r0-r3, pc} -#else - pop {r0-r3, lr} - - // NaN has been ruled out, so __aeabi_cdcmple can't trap - // Use "it ne" + unconditional branch to guarantee a supported relocation if - // __aeabi_cdcmple is in a different section for some builds. - IT(ne) - bne __aeabi_cdcmple - -#if defined(USE_THUMB_2) - mov ip, #APSR_C - msr APSR_nzcvq, ip -#else - msr APSR_nzcvq, #APSR_C -#endif - JMP(lr) -#endif -END_COMPILERRT_FUNCTION(__aeabi_cdcmpeq) - - -// void __aeabi_cdcmple(double a, double b) { -// if (__aeabi_dcmplt(a, b)) { -// Z = 0; C = 0; -// } else if (__aeabi_dcmpeq(a, b)) { -// Z = 1; C = 1; -// } else { -// Z = 0; C = 1; -// } -// } - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_cdcmple) - // Per the RTABI, this function must preserve r0-r11. - // Save lr in the same instruction for compactness - push {r0-r3, lr} - - bl __aeabi_dcmplt - cmp r0, #1 -#if defined(USE_THUMB_1) - bne 1f - // Z = 0, C = 0 - movs r0, #1 - lsls r0, r0, #1 - pop {r0-r3, pc} -1: - mov r0, sp - ldm r0, {r0-r3} - bl __aeabi_dcmpeq - cmp r0, #1 - bne 2f - // Z = 1, C = 1 - movs r0, #2 - lsls r0, r0, #31 - pop {r0-r3, pc} -2: - // Z = 0, C = 1 - movs r0, #0xF - lsls r0, r0, #31 - pop {r0-r3, pc} -#else - ITT(eq) - moveq ip, #0 - beq 1f - - ldm sp, {r0-r3} - bl __aeabi_dcmpeq - cmp r0, #1 - ITE(eq) - moveq ip, #(APSR_C | APSR_Z) - movne ip, #(APSR_C) - -1: - msr APSR_nzcvq, ip - pop {r0-r3} - POP_PC() -#endif -END_COMPILERRT_FUNCTION(__aeabi_cdcmple) - -// int __aeabi_cdrcmple(double a, double b) { -// return __aeabi_cdcmple(b, a); -// } - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_cdrcmple) - // Swap r0 and r2 - mov ip, r0 - mov r0, r2 - mov r2, ip - - // Swap r1 and r3 - mov ip, r1 - mov r1, r3 - mov r3, ip - - b __aeabi_cdcmple -END_COMPILERRT_FUNCTION(__aeabi_cdrcmple) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_cdcmpeq_check_nan.c b/lib/libcompiler_rt/arm/aeabi_cdcmpeq_check_nan.c deleted file mode 100644 index 7578433a1df..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_cdcmpeq_check_nan.c +++ /dev/null @@ -1,16 +0,0 @@ -//===-- lib/arm/aeabi_cdcmpeq_helper.c - Helper for cdcmpeq ---------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include <stdint.h> -#include "../int_lib.h" - -AEABI_RTABI __attribute__((visibility("hidden"))) -int __aeabi_cdcmpeq_check_nan(double a, double b) { - return __builtin_isnan(a) || __builtin_isnan(b); -} diff --git a/lib/libcompiler_rt/arm/aeabi_cfcmp.S b/lib/libcompiler_rt/arm/aeabi_cfcmp.S deleted file mode 100644 index 4b1de997687..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_cfcmp.S +++ /dev/null @@ -1,140 +0,0 @@ -//===-- aeabi_cfcmp.S - EABI cfcmp* implementation ------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__ -#error big endian support not implemented -#endif - -#define APSR_Z (1 << 30) -#define APSR_C (1 << 29) - -// void __aeabi_cfcmpeq(float a, float b) { -// if (isnan(a) || isnan(b)) { -// Z = 0; C = 1; -// } else { -// __aeabi_cfcmple(a, b); -// } -// } - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_cfcmpeq) - push {r0-r3, lr} - bl __aeabi_cfcmpeq_check_nan - cmp r0, #1 -#if defined(USE_THUMB_1) - beq 1f - // NaN has been ruled out, so __aeabi_cfcmple can't trap - mov r0, sp - ldm r0, {r0-r3} - bl __aeabi_cfcmple - pop {r0-r3, pc} -1: - // Z = 0, C = 1 - movs r0, #0xF - lsls r0, r0, #31 - pop {r0-r3, pc} -#else - pop {r0-r3, lr} - - // NaN has been ruled out, so __aeabi_cfcmple can't trap - // Use "it ne" + unconditional branch to guarantee a supported relocation if - // __aeabi_cfcmple is in a different section for some builds. - IT(ne) - bne __aeabi_cfcmple - -#if defined(USE_THUMB_2) - mov ip, #APSR_C - msr APSR_nzcvq, ip -#else - msr APSR_nzcvq, #APSR_C -#endif - JMP(lr) -#endif -END_COMPILERRT_FUNCTION(__aeabi_cfcmpeq) - - -// void __aeabi_cfcmple(float a, float b) { -// if (__aeabi_fcmplt(a, b)) { -// Z = 0; C = 0; -// } else if (__aeabi_fcmpeq(a, b)) { -// Z = 1; C = 1; -// } else { -// Z = 0; C = 1; -// } -// } - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_cfcmple) - // Per the RTABI, this function must preserve r0-r11. - // Save lr in the same instruction for compactness - push {r0-r3, lr} - - bl __aeabi_fcmplt - cmp r0, #1 -#if defined(USE_THUMB_1) - bne 1f - // Z = 0, C = 0 - movs r0, #1 - lsls r0, r0, #1 - pop {r0-r3, pc} -1: - mov r0, sp - ldm r0, {r0-r3} - bl __aeabi_fcmpeq - cmp r0, #1 - bne 2f - // Z = 1, C = 1 - movs r0, #2 - lsls r0, r0, #31 - pop {r0-r3, pc} -2: - // Z = 0, C = 1 - movs r0, #0xF - lsls r0, r0, #31 - pop {r0-r3, pc} -#else - ITT(eq) - moveq ip, #0 - beq 1f - - ldm sp, {r0-r3} - bl __aeabi_fcmpeq - cmp r0, #1 - ITE(eq) - moveq ip, #(APSR_C | APSR_Z) - movne ip, #(APSR_C) - -1: - msr APSR_nzcvq, ip - pop {r0-r3} - POP_PC() -#endif -END_COMPILERRT_FUNCTION(__aeabi_cfcmple) - -// int __aeabi_cfrcmple(float a, float b) { -// return __aeabi_cfcmple(b, a); -// } - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_cfrcmple) - // Swap r0 and r1 - mov ip, r0 - mov r0, r1 - mov r1, ip - - b __aeabi_cfcmple -END_COMPILERRT_FUNCTION(__aeabi_cfrcmple) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_cfcmpeq_check_nan.c b/lib/libcompiler_rt/arm/aeabi_cfcmpeq_check_nan.c deleted file mode 100644 index 43dde9a4959..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_cfcmpeq_check_nan.c +++ /dev/null @@ -1,16 +0,0 @@ -//===-- lib/arm/aeabi_cfcmpeq_helper.c - Helper for cdcmpeq ---------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include <stdint.h> -#include "../int_lib.h" - -AEABI_RTABI __attribute__((visibility("hidden"))) -int __aeabi_cfcmpeq_check_nan(float a, float b) { - return __builtin_isnan(a) || __builtin_isnan(b); -} diff --git a/lib/libcompiler_rt/arm/aeabi_dcmp.S b/lib/libcompiler_rt/arm/aeabi_dcmp.S deleted file mode 100644 index 9fa78b46124..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_dcmp.S +++ /dev/null @@ -1,52 +0,0 @@ -//===-- aeabi_dcmp.S - EABI dcmp* implementation ---------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// int __aeabi_dcmp{eq,lt,le,ge,gt}(double a, double b) { -// int result = __{eq,lt,le,ge,gt}df2(a, b); -// if (result {==,<,<=,>=,>} 0) { -// return 1; -// } else { -// return 0; -// } -// } - -#if defined(COMPILER_RT_ARMHF_TARGET) -# define CONVERT_DCMP_ARGS_TO_DF2_ARGS \ - vmov d0, r0, r1 SEPARATOR \ - vmov d1, r2, r3 -#else -# define CONVERT_DCMP_ARGS_TO_DF2_ARGS -#endif - -#define DEFINE_AEABI_DCMP(cond) \ - .syntax unified SEPARATOR \ - .p2align 2 SEPARATOR \ -DEFINE_COMPILERRT_FUNCTION(__aeabi_dcmp ## cond) \ - push { r4, lr } SEPARATOR \ - CONVERT_DCMP_ARGS_TO_DF2_ARGS SEPARATOR \ - bl SYMBOL_NAME(__ ## cond ## df2) SEPARATOR \ - cmp r0, #0 SEPARATOR \ - b ## cond 1f SEPARATOR \ - movs r0, #0 SEPARATOR \ - pop { r4, pc } SEPARATOR \ -1: SEPARATOR \ - movs r0, #1 SEPARATOR \ - pop { r4, pc } SEPARATOR \ -END_COMPILERRT_FUNCTION(__aeabi_dcmp ## cond) - -DEFINE_AEABI_DCMP(eq) -DEFINE_AEABI_DCMP(lt) -DEFINE_AEABI_DCMP(le) -DEFINE_AEABI_DCMP(ge) -DEFINE_AEABI_DCMP(gt) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_div0.c b/lib/libcompiler_rt/arm/aeabi_div0.c deleted file mode 100644 index dc3031326e3..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_div0.c +++ /dev/null @@ -1,45 +0,0 @@ -/* ===-- aeabi_div0.c - ARM Runtime ABI support routines for compiler-rt ---=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements the division by zero helper routines as specified by the - * Run-time ABI for the ARM Architecture. - * - * ===----------------------------------------------------------------------=== - */ - -/* - * RTABI 4.3.2 - Division by zero - * - * The *div0 functions: - * - Return the value passed to them as a parameter - * - Or, return a fixed value defined by the execution environment (such as 0) - * - Or, raise a signal (often SIGFPE) or throw an exception, and do not return - * - * An application may provide its own implementations of the *div0 functions to - * for a particular behaviour from the *div and *divmod functions called out of - * line. - */ - -#include "../int_lib.h" - -/* provide an unused declaration to pacify pendantic compilation */ -extern unsigned char declaration; - -#if defined(__ARM_EABI__) -AEABI_RTABI int __attribute__((weak)) __attribute__((visibility("hidden"))) -__aeabi_idiv0(int return_value) { - return return_value; -} - -AEABI_RTABI long long __attribute__((weak)) __attribute__((visibility("hidden"))) -__aeabi_ldiv0(long long return_value) { - return return_value; -} -#endif - diff --git a/lib/libcompiler_rt/arm/aeabi_drsub.c b/lib/libcompiler_rt/arm/aeabi_drsub.c deleted file mode 100644 index 1254886086f..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_drsub.c +++ /dev/null @@ -1,19 +0,0 @@ -//===-- lib/arm/aeabi_drsub.c - Double-precision subtraction --------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#define DOUBLE_PRECISION -#include "../fp_lib.h" - -AEABI_RTABI fp_t -__aeabi_dsub(fp_t, fp_t); - -AEABI_RTABI fp_t -__aeabi_drsub(fp_t a, fp_t b) { - return __aeabi_dsub(b, a); -} diff --git a/lib/libcompiler_rt/arm/aeabi_fcmp.S b/lib/libcompiler_rt/arm/aeabi_fcmp.S deleted file mode 100644 index ea5b96c21d5..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_fcmp.S +++ /dev/null @@ -1,52 +0,0 @@ -//===-- aeabi_fcmp.S - EABI fcmp* implementation ---------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// int __aeabi_fcmp{eq,lt,le,ge,gt}(float a, float b) { -// int result = __{eq,lt,le,ge,gt}sf2(a, b); -// if (result {==,<,<=,>=,>} 0) { -// return 1; -// } else { -// return 0; -// } -// } - -#if defined(COMPILER_RT_ARMHF_TARGET) -# define CONVERT_FCMP_ARGS_TO_SF2_ARGS \ - vmov s0, r0 SEPARATOR \ - vmov s1, r1 -#else -# define CONVERT_FCMP_ARGS_TO_SF2_ARGS -#endif - -#define DEFINE_AEABI_FCMP(cond) \ - .syntax unified SEPARATOR \ - .p2align 2 SEPARATOR \ -DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) \ - push { r4, lr } SEPARATOR \ - CONVERT_FCMP_ARGS_TO_SF2_ARGS SEPARATOR \ - bl SYMBOL_NAME(__ ## cond ## sf2) SEPARATOR \ - cmp r0, #0 SEPARATOR \ - b ## cond 1f SEPARATOR \ - movs r0, #0 SEPARATOR \ - pop { r4, pc } SEPARATOR \ -1: SEPARATOR \ - movs r0, #1 SEPARATOR \ - pop { r4, pc } SEPARATOR \ -END_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) - -DEFINE_AEABI_FCMP(eq) -DEFINE_AEABI_FCMP(lt) -DEFINE_AEABI_FCMP(le) -DEFINE_AEABI_FCMP(ge) -DEFINE_AEABI_FCMP(gt) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_frsub.c b/lib/libcompiler_rt/arm/aeabi_frsub.c deleted file mode 100644 index 34f2303745b..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_frsub.c +++ /dev/null @@ -1,19 +0,0 @@ -//===-- lib/arm/aeabi_frsub.c - Single-precision subtraction --------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "../fp_lib.h" - -AEABI_RTABI fp_t -__aeabi_fsub(fp_t, fp_t); - -AEABI_RTABI fp_t -__aeabi_frsub(fp_t a, fp_t b) { - return __aeabi_fsub(b, a); -} diff --git a/lib/libcompiler_rt/arm/aeabi_idivmod.S b/lib/libcompiler_rt/arm/aeabi_idivmod.S deleted file mode 100644 index 9c9c80ab5a7..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_idivmod.S +++ /dev/null @@ -1,51 +0,0 @@ -//===-- aeabi_idivmod.S - EABI idivmod implementation ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// struct { int quot, int rem} __aeabi_idivmod(int numerator, int denominator) { -// int rem, quot; -// quot = __divmodsi4(numerator, denominator, &rem); -// return {quot, rem}; -// } - -#if defined(__MINGW32__) -#define __aeabi_idivmod __rt_sdiv -#endif - - .syntax unified - .text - DEFINE_CODE_STATE - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_idivmod) -#if defined(USE_THUMB_1) - push {r0, r1, lr} - bl SYMBOL_NAME(__divsi3) - pop {r1, r2, r3} // now r0 = quot, r1 = num, r2 = denom - muls r2, r0, r2 // r2 = quot * denom - subs r1, r1, r2 - JMP (r3) -#else // defined(USE_THUMB_1) - push { lr } - sub sp, sp, #4 - mov r2, sp -#if defined(__MINGW32__) - mov r3, r0 - mov r0, r1 - mov r1, r3 -#endif - bl SYMBOL_NAME(__divmodsi4) - ldr r1, [sp] - add sp, sp, #4 - pop { pc } -#endif // defined(USE_THUMB_1) -END_COMPILERRT_FUNCTION(__aeabi_idivmod) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_ldivmod.S b/lib/libcompiler_rt/arm/aeabi_ldivmod.S deleted file mode 100644 index 038ae5d723a..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_ldivmod.S +++ /dev/null @@ -1,46 +0,0 @@ -//===-- aeabi_ldivmod.S - EABI ldivmod implementation ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// struct { int64_t quot, int64_t rem} -// __aeabi_ldivmod(int64_t numerator, int64_t denominator) { -// int64_t rem, quot; -// quot = __divmoddi4(numerator, denominator, &rem); -// return {quot, rem}; -// } - -#if defined(__MINGW32__) -#define __aeabi_ldivmod __rt_sdiv64 -#endif - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_ldivmod) - push {r6, lr} - sub sp, sp, #16 - add r6, sp, #8 - str r6, [sp] -#if defined(__MINGW32__) - movs r6, r0 - movs r0, r2 - movs r2, r6 - movs r6, r1 - movs r1, r3 - movs r3, r6 -#endif - bl SYMBOL_NAME(__divmoddi4) - ldr r2, [sp, #8] - ldr r3, [sp, #12] - add sp, sp, #16 - pop {r6, pc} -END_COMPILERRT_FUNCTION(__aeabi_ldivmod) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_memcmp.S b/lib/libcompiler_rt/arm/aeabi_memcmp.S deleted file mode 100644 index e86d6113760..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_memcmp.S +++ /dev/null @@ -1,30 +0,0 @@ -//===-- aeabi_memcmp.S - EABI memcmp implementation -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// void __aeabi_memcmp(void *dest, void *src, size_t n) { memcmp(dest, src, n); } - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_memcmp) -#ifdef USE_THUMB_1 - push {r7, lr} - bl memcmp - pop {r7, pc} -#else - b memcmp -#endif -END_COMPILERRT_FUNCTION(__aeabi_memcmp) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcmp4, __aeabi_memcmp) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcmp8, __aeabi_memcmp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_memcpy.S b/lib/libcompiler_rt/arm/aeabi_memcpy.S deleted file mode 100644 index e83c5fd4dbb..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_memcpy.S +++ /dev/null @@ -1,30 +0,0 @@ -//===-- aeabi_memcpy.S - EABI memcpy implementation -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// void __aeabi_memcpy(void *dest, void *src, size_t n) { memcpy(dest, src, n); } - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_memcpy) -#ifdef USE_THUMB_1 - push {r7, lr} - bl memcpy - pop {r7, pc} -#else - b memcpy -#endif -END_COMPILERRT_FUNCTION(__aeabi_memcpy) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy4, __aeabi_memcpy) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy8, __aeabi_memcpy) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_memmove.S b/lib/libcompiler_rt/arm/aeabi_memmove.S deleted file mode 100644 index ee28300e46f..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_memmove.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- aeabi_memmove.S - EABI memmove implementation --------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===---------------------------------------------------------------------===// - -#include "../assembly.h" - -// void __aeabi_memmove(void *dest, void *src, size_t n) { memmove(dest, src, n); } - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_memmove) -#ifdef USE_THUMB_1 - push {r7, lr} - bl memmove - pop {r7, pc} -#else - b memmove -#endif -END_COMPILERRT_FUNCTION(__aeabi_memmove) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memmove4, __aeabi_memmove) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memmove8, __aeabi_memmove) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_memset.S b/lib/libcompiler_rt/arm/aeabi_memset.S deleted file mode 100644 index 0a678d7627e..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_memset.S +++ /dev/null @@ -1,50 +0,0 @@ -//===-- aeabi_memset.S - EABI memset implementation -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// void __aeabi_memset(void *dest, size_t n, int c) { memset(dest, c, n); } -// void __aeabi_memclr(void *dest, size_t n) { __aeabi_memset(dest, n, 0); } - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_memset) - mov r3, r1 - mov r1, r2 - mov r2, r3 -#ifdef USE_THUMB_1 - push {r7, lr} - bl memset - pop {r7, pc} -#else - b memset -#endif -END_COMPILERRT_FUNCTION(__aeabi_memset) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset4, __aeabi_memset) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset8, __aeabi_memset) - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_memclr) - mov r2, r1 - movs r1, #0 -#ifdef USE_THUMB_1 - push {r7, lr} - bl memset - pop {r7, pc} -#else - b memset -#endif -END_COMPILERRT_FUNCTION(__aeabi_memclr) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr4, __aeabi_memclr) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr8, __aeabi_memclr) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_uidivmod.S b/lib/libcompiler_rt/arm/aeabi_uidivmod.S deleted file mode 100644 index 88a4a6d8bc1..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_uidivmod.S +++ /dev/null @@ -1,58 +0,0 @@ -//===-- aeabi_uidivmod.S - EABI uidivmod implementation -------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// struct { unsigned quot, unsigned rem} -// __aeabi_uidivmod(unsigned numerator, unsigned denominator) { -// unsigned rem, quot; -// quot = __udivmodsi4(numerator, denominator, &rem); -// return {quot, rem}; -// } - -#if defined(__MINGW32__) -#define __aeabi_uidivmod __rt_udiv -#endif - - .syntax unified - .text - DEFINE_CODE_STATE - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_uidivmod) -#if defined(USE_THUMB_1) - cmp r0, r1 - bcc LOCAL_LABEL(case_denom_larger) - push {r0, r1, lr} - bl SYMBOL_NAME(__aeabi_uidiv) - pop {r1, r2, r3} - muls r2, r0, r2 // r2 = quot * denom - subs r1, r1, r2 - JMP (r3) -LOCAL_LABEL(case_denom_larger): - movs r1, r0 - movs r0, #0 - JMP (lr) -#else // defined(USE_THUMB_1) - push { lr } - sub sp, sp, #4 - mov r2, sp -#if defined(__MINGW32__) - mov r3, r0 - mov r0, r1 - mov r1, r3 -#endif - bl SYMBOL_NAME(__udivmodsi4) - ldr r1, [sp] - add sp, sp, #4 - pop { pc } -#endif -END_COMPILERRT_FUNCTION(__aeabi_uidivmod) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/aeabi_uldivmod.S b/lib/libcompiler_rt/arm/aeabi_uldivmod.S deleted file mode 100644 index be343b6bc82..00000000000 --- a/lib/libcompiler_rt/arm/aeabi_uldivmod.S +++ /dev/null @@ -1,46 +0,0 @@ -//===-- aeabi_uldivmod.S - EABI uldivmod implementation -------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// struct { uint64_t quot, uint64_t rem} -// __aeabi_uldivmod(uint64_t numerator, uint64_t denominator) { -// uint64_t rem, quot; -// quot = __udivmoddi4(numerator, denominator, &rem); -// return {quot, rem}; -// } - -#if defined(__MINGW32__) -#define __aeabi_uldivmod __rt_udiv64 -#endif - - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_uldivmod) - push {r6, lr} - sub sp, sp, #16 - add r6, sp, #8 - str r6, [sp] -#if defined(__MINGW32__) - movs r6, r0 - movs r0, r2 - movs r2, r6 - movs r6, r1 - movs r1, r3 - movs r3, r6 -#endif - bl SYMBOL_NAME(__udivmoddi4) - ldr r2, [sp, #8] - ldr r3, [sp, #12] - add sp, sp, #16 - pop {r6, pc} -END_COMPILERRT_FUNCTION(__aeabi_uldivmod) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/bswapdi2.S b/lib/libcompiler_rt/arm/bswapdi2.S deleted file mode 100644 index e9db8bac799..00000000000 --- a/lib/libcompiler_rt/arm/bswapdi2.S +++ /dev/null @@ -1,44 +0,0 @@ -//===------- bswapdi2 - Implement bswapdi2 --------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - - .syntax unified - .text - DEFINE_CODE_STATE - -// -// extern uint64_t __bswapdi2(uint64_t); -// -// Reverse all the bytes in a 64-bit integer. -// - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__bswapdi2) -#if __ARM_ARCH < 6 - // before armv6 does not have "rev" instruction - // r2 = rev(r0) - eor r2, r0, r0, ror #16 - bic r2, r2, #0xff0000 - mov r2, r2, lsr #8 - eor r2, r2, r0, ror #8 - // r0 = rev(r1) - eor r0, r1, r1, ror #16 - bic r0, r0, #0xff0000 - mov r0, r0, lsr #8 - eor r0, r0, r1, ror #8 -#else - rev r2, r0 // r2 = rev(r0) - rev r0, r1 // r0 = rev(r1) -#endif - mov r1, r2 // r1 = r2 = rev(r0) - JMP(lr) -END_COMPILERRT_FUNCTION(__bswapdi2) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/bswapsi2.S b/lib/libcompiler_rt/arm/bswapsi2.S deleted file mode 100644 index 1f6eed5c1bb..00000000000 --- a/lib/libcompiler_rt/arm/bswapsi2.S +++ /dev/null @@ -1,36 +0,0 @@ -//===------- bswapsi2 - Implement bswapsi2 --------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - - .syntax unified - .text - DEFINE_CODE_STATE - -// -// extern uint32_t __bswapsi2(uint32_t); -// -// Reverse all the bytes in a 32-bit integer. -// - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__bswapsi2) -#if __ARM_ARCH < 6 - // before armv6 does not have "rev" instruction - eor r1, r0, r0, ror #16 - bic r1, r1, #0xff0000 - mov r1, r1, lsr #8 - eor r0, r1, r0, ror #8 -#else - rev r0, r0 -#endif - JMP(lr) -END_COMPILERRT_FUNCTION(__bswapsi2) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/chkstk.S b/lib/libcompiler_rt/arm/chkstk.S deleted file mode 100644 index e3002105897..00000000000 --- a/lib/libcompiler_rt/arm/chkstk.S +++ /dev/null @@ -1,34 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// __chkstk routine -// This routine is windows specific. -// http://msdn.microsoft.com/en-us/library/ms648426.aspx - -// This clobbers the register r12, and the condition codes, and uses r5 and r6 -// as temporaries by backing them up and restoring them afterwards. -// Does not modify any memory or the stack pointer. - -// movw r4, #256 // Number of bytes of stack, in units of 4 byte -// bl __chkstk -// sub.w sp, sp, r4 - -#define PAGE_SIZE 4096 - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__chkstk) - lsl r4, r4, #2 - mov r12, sp - push {r5, r6} - mov r5, r4 -1: - sub r12, r12, #PAGE_SIZE - subs r5, r5, #PAGE_SIZE - ldr r6, [r12] - bgt 1b - - pop {r5, r6} - bx lr -END_COMPILERRT_FUNCTION(__chkstk) diff --git a/lib/libcompiler_rt/arm/clzdi2.S b/lib/libcompiler_rt/arm/clzdi2.S deleted file mode 100644 index fc03b385cdf..00000000000 --- a/lib/libcompiler_rt/arm/clzdi2.S +++ /dev/null @@ -1,93 +0,0 @@ -/* ===-- clzdi2.c - Implement __clzdi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements count leading zeros for 64bit arguments. - * - * ===----------------------------------------------------------------------=== - */ -#include "../assembly.h" - - .syntax unified - .text - DEFINE_CODE_STATE - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__clzdi2) -#ifdef __ARM_FEATURE_CLZ -#ifdef __ARMEB__ - cmp r0, 0 - itee ne - clzne r0, r0 - clzeq r0, r1 - addeq r0, r0, 32 -#else - cmp r1, 0 - itee ne - clzne r0, r1 - clzeq r0, r0 - addeq r0, r0, 32 -#endif - JMP(lr) -#else - /* Assumption: n != 0 */ - - /* - * r0: n - * r1: upper half of n, overwritten after check - * r1: count of leading zeros in n + 1 - * r2: scratch register for shifted r0 - */ -#ifdef __ARMEB__ - cmp r0, 0 - moveq r0, r1 -#else - cmp r1, 0 - movne r0, r1 -#endif - movne r1, 1 - moveq r1, 33 - - /* - * Basic block: - * if ((r0 >> SHIFT) == 0) - * r1 += SHIFT; - * else - * r0 >>= SHIFT; - * for descending powers of two as SHIFT. - */ -#define BLOCK(shift) \ - lsrs r2, r0, shift; \ - movne r0, r2; \ - addeq r1, shift \ - - BLOCK(16) - BLOCK(8) - BLOCK(4) - BLOCK(2) - - /* - * The basic block invariants at this point are (r0 >> 2) == 0 and - * r0 != 0. This means 1 <= r0 <= 3 and 0 <= (r0 >> 1) <= 1. - * - * r0 | (r0 >> 1) == 0 | (r0 >> 1) == 1 | -(r0 >> 1) | 1 - (r0 >> 1) - * ---+----------------+----------------+------------+-------------- - * 1 | 1 | 0 | 0 | 1 - * 2 | 0 | 1 | -1 | 0 - * 3 | 0 | 1 | -1 | 0 - * - * The r1's initial value of 1 compensates for the 1 here. - */ - sub r0, r1, r0, lsr #1 - - JMP(lr) -#endif // __ARM_FEATURE_CLZ -END_COMPILERRT_FUNCTION(__clzdi2) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/clzsi2.S b/lib/libcompiler_rt/arm/clzsi2.S deleted file mode 100644 index f2ce59c9011..00000000000 --- a/lib/libcompiler_rt/arm/clzsi2.S +++ /dev/null @@ -1,73 +0,0 @@ -/* ===-- clzsi2.c - Implement __clzsi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements count leading zeros for 32bit arguments. - * - * ===----------------------------------------------------------------------=== - */ -#include "../assembly.h" - - .syntax unified - .text - DEFINE_CODE_STATE - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__clzsi2) -#ifdef __ARM_FEATURE_CLZ - clz r0, r0 - JMP(lr) -#else - /* Assumption: n != 0 */ - - /* - * r0: n - * r1: count of leading zeros in n + 1 - * r2: scratch register for shifted r0 - */ - mov r1, 1 - - /* - * Basic block: - * if ((r0 >> SHIFT) == 0) - * r1 += SHIFT; - * else - * r0 >>= SHIFT; - * for descending powers of two as SHIFT. - */ - -#define BLOCK(shift) \ - lsrs r2, r0, shift; \ - movne r0, r2; \ - addeq r1, shift \ - - BLOCK(16) - BLOCK(8) - BLOCK(4) - BLOCK(2) - - /* - * The basic block invariants at this point are (r0 >> 2) == 0 and - * r0 != 0. This means 1 <= r0 <= 3 and 0 <= (r0 >> 1) <= 1. - * - * r0 | (r0 >> 1) == 0 | (r0 >> 1) == 1 | -(r0 >> 1) | 1 - (r0 >> 1) - * ---+----------------+----------------+------------+-------------- - * 1 | 1 | 0 | 0 | 1 - * 2 | 0 | 1 | -1 | 0 - * 3 | 0 | 1 | -1 | 0 - * - * The r1's initial value of 1 compensates for the 1 here. - */ - sub r0, r1, r0, lsr #1 - - JMP(lr) -#endif // __ARM_FEATURE_CLZ -END_COMPILERRT_FUNCTION(__clzsi2) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/comparesf2.S b/lib/libcompiler_rt/arm/comparesf2.S deleted file mode 100644 index c6c4cc067f0..00000000000 --- a/lib/libcompiler_rt/arm/comparesf2.S +++ /dev/null @@ -1,296 +0,0 @@ -//===-- comparesf2.S - Implement single-precision soft-float comparisons --===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the following soft-fp_t comparison routines: -// -// __eqsf2 __gesf2 __unordsf2 -// __lesf2 __gtsf2 -// __ltsf2 -// __nesf2 -// -// The semantics of the routines grouped in each column are identical, so there -// is a single implementation for each, with multiple names. -// -// The routines behave as follows: -// -// __lesf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// 1 if either a or b is NaN -// -// __gesf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// -1 if either a or b is NaN -// -// __unordsf2(a,b) returns 0 if both a and b are numbers -// 1 if either a or b is NaN -// -// Note that __lesf2( ) and __gesf2( ) are identical except in their handling of -// NaN values. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - .syntax unified - .text - DEFINE_CODE_STATE - -@ int __eqsf2(float a, float b) - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__eqsf2) -#if defined(COMPILER_RT_ARMHF_TARGET) - vmov r0, s0 - vmov r1, s1 -#endif - // Make copies of a and b with the sign bit shifted off the top. These will - // be used to detect zeros and NaNs. -#if defined(USE_THUMB_1) - push {r6, lr} - lsls r2, r0, #1 - lsls r3, r1, #1 -#else - mov r2, r0, lsl #1 - mov r3, r1, lsl #1 -#endif - - // We do the comparison in three stages (ignoring NaN values for the time - // being). First, we orr the absolute values of a and b; this sets the Z - // flag if both a and b are zero (of either sign). The shift of r3 doesn't - // effect this at all, but it *does* make sure that the C flag is clear for - // the subsequent operations. -#if defined(USE_THUMB_1) - lsrs r6, r3, #1 - orrs r6, r2 -#else - orrs r12, r2, r3, lsr #1 -#endif - // Next, we check if a and b have the same or different signs. If they have - // opposite signs, this eor will set the N flag. -#if defined(USE_THUMB_1) - beq 1f - movs r6, r0 - eors r6, r1 -1: -#else - it ne - eorsne r12, r0, r1 -#endif - - // If a and b are equal (either both zeros or bit identical; again, we're - // ignoring NaNs for now), this subtract will zero out r0. If they have the - // same sign, the flags are updated as they would be for a comparison of the - // absolute values of a and b. -#if defined(USE_THUMB_1) - bmi 1f - subs r0, r2, r3 -1: -#else - it pl - subspl r0, r2, r3 -#endif - - // If a is smaller in magnitude than b and both have the same sign, place - // the negation of the sign of b in r0. Thus, if both are negative and - // a > b, this sets r0 to 0; if both are positive and a < b, this sets - // r0 to -1. - // - // This is also done if a and b have opposite signs and are not both zero, - // because in that case the subtract was not performed and the C flag is - // still clear from the shift argument in orrs; if a is positive and b - // negative, this places 0 in r0; if a is negative and b positive, -1 is - // placed in r0. -#if defined(USE_THUMB_1) - bhs 1f - // Here if a and b have the same sign and absA < absB, the result is thus - // b < 0 ? 1 : -1. Same if a and b have the opposite sign (ignoring Nan). - movs r0, #1 - lsrs r1, #31 - bne LOCAL_LABEL(CHECK_NAN) - negs r0, r0 - b LOCAL_LABEL(CHECK_NAN) -1: -#else - it lo - mvnlo r0, r1, asr #31 -#endif - - // If a is greater in magnitude than b and both have the same sign, place - // the sign of b in r0. Thus, if both are negative and a < b, -1 is placed - // in r0, which is the desired result. Conversely, if both are positive - // and a > b, zero is placed in r0. -#if defined(USE_THUMB_1) - bls 1f - // Here both have the same sign and absA > absB. - movs r0, #1 - lsrs r1, #31 - beq LOCAL_LABEL(CHECK_NAN) - negs r0, r0 -1: -#else - it hi - movhi r0, r1, asr #31 -#endif - - // If you've been keeping track, at this point r0 contains -1 if a < b and - // 0 if a >= b. All that remains to be done is to set it to 1 if a > b. - // If a == b, then the Z flag is set, so we can get the correct final value - // into r0 by simply or'ing with 1 if Z is clear. - // For Thumb-1, r0 contains -1 if a < b, 0 if a > b and 0 if a == b. -#if !defined(USE_THUMB_1) - it ne - orrne r0, r0, #1 -#endif - - // Finally, we need to deal with NaNs. If either argument is NaN, replace - // the value in r0 with 1. -#if defined(USE_THUMB_1) -LOCAL_LABEL(CHECK_NAN): - movs r6, #0xff - lsls r6, #24 - cmp r2, r6 - bhi 1f - cmp r3, r6 -1: - bls 2f - movs r0, #1 -2: - pop {r6, pc} -#else - cmp r2, #0xff000000 - ite ls - cmpls r3, #0xff000000 - movhi r0, #1 - JMP(lr) -#endif -END_COMPILERRT_FUNCTION(__eqsf2) - -DEFINE_COMPILERRT_FUNCTION_ALIAS(__lesf2, __eqsf2) -DEFINE_COMPILERRT_FUNCTION_ALIAS(__ltsf2, __eqsf2) -DEFINE_COMPILERRT_FUNCTION_ALIAS(__nesf2, __eqsf2) - -@ int __gtsf2(float a, float b) - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__gtsf2) - // Identical to the preceding except in that we return -1 for NaN values. - // Given that the two paths share so much code, one might be tempted to - // unify them; however, the extra code needed to do so makes the code size - // to performance tradeoff very hard to justify for such small functions. -#if defined(COMPILER_RT_ARMHF_TARGET) - vmov r0, s0 - vmov r1, s1 -#endif -#if defined(USE_THUMB_1) - push {r6, lr} - lsls r2, r0, #1 - lsls r3, r1, #1 - lsrs r6, r3, #1 - orrs r6, r2 - beq 1f - movs r6, r0 - eors r6, r1 -1: - bmi 2f - subs r0, r2, r3 -2: - bhs 3f - movs r0, #1 - lsrs r1, #31 - bne LOCAL_LABEL(CHECK_NAN_2) - negs r0, r0 - b LOCAL_LABEL(CHECK_NAN_2) -3: - bls 4f - movs r0, #1 - lsrs r1, #31 - beq LOCAL_LABEL(CHECK_NAN_2) - negs r0, r0 -4: -LOCAL_LABEL(CHECK_NAN_2): - movs r6, #0xff - lsls r6, #24 - cmp r2, r6 - bhi 5f - cmp r3, r6 -5: - bls 6f - movs r0, #1 - negs r0, r0 -6: - pop {r6, pc} -#else - mov r2, r0, lsl #1 - mov r3, r1, lsl #1 - orrs r12, r2, r3, lsr #1 - it ne - eorsne r12, r0, r1 - it pl - subspl r0, r2, r3 - it lo - mvnlo r0, r1, asr #31 - it hi - movhi r0, r1, asr #31 - it ne - orrne r0, r0, #1 - cmp r2, #0xff000000 - ite ls - cmpls r3, #0xff000000 - movhi r0, #-1 - JMP(lr) -#endif -END_COMPILERRT_FUNCTION(__gtsf2) - -DEFINE_COMPILERRT_FUNCTION_ALIAS(__gesf2, __gtsf2) - -@ int __unordsf2(float a, float b) - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__unordsf2) - -#if defined(COMPILER_RT_ARMHF_TARGET) - vmov r0, s0 - vmov r1, s1 -#endif - // Return 1 for NaN values, 0 otherwise. - lsls r2, r0, #1 - lsls r3, r1, #1 - movs r0, #0 -#if defined(USE_THUMB_1) - movs r1, #0xff - lsls r1, #24 - cmp r2, r1 - bhi 1f - cmp r3, r1 -1: - bls 2f - movs r0, #1 -2: -#else - cmp r2, #0xff000000 - ite ls - cmpls r3, #0xff000000 - movhi r0, #1 -#endif - JMP(lr) -END_COMPILERRT_FUNCTION(__unordsf2) - -#if defined(COMPILER_RT_ARMHF_TARGET) -DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmpum) - vmov s0, r0 - vmov s1, r1 - b SYMBOL_NAME(__unordsf2) -END_COMPILERRT_FUNCTION(__aeabi_fcmpum) -#else -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_fcmpun, __unordsf2) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/divdf3vfp.S b/lib/libcompiler_rt/arm/divdf3vfp.S deleted file mode 100644 index 776ba4f24b4..00000000000 --- a/lib/libcompiler_rt/arm/divdf3vfp.S +++ /dev/null @@ -1,33 +0,0 @@ -//===-- divdf3vfp.S - Implement divdf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __divdf3vfp(double a, double b); -// -// Divides two double precision floating point numbers using the Darwin -// calling convention where double arguments are passsed in GPR pairs -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__divdf3vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vdiv.f64 d0, d0, d1 -#else - vmov d6, r0, r1 // move first param from r0/r1 pair into d6 - vmov d7, r2, r3 // move second param from r2/r3 pair into d7 - vdiv.f64 d5, d6, d7 - vmov r0, r1, d5 // move result back to r0/r1 pair -#endif - bx lr -END_COMPILERRT_FUNCTION(__divdf3vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/divmodsi4.S b/lib/libcompiler_rt/arm/divmodsi4.S deleted file mode 100644 index 8a027b741ef..00000000000 --- a/lib/libcompiler_rt/arm/divmodsi4.S +++ /dev/null @@ -1,71 +0,0 @@ -/*===-- divmodsi4.S - 32-bit signed integer divide and modulus ------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __divmodsi4 (32-bit signed integer divide and - * modulus) function for the ARM architecture. A naive digit-by-digit - * computation is employed for simplicity. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - -#define ESTABLISH_FRAME \ - push {r4-r7, lr} ;\ - add r7, sp, #12 -#define CLEAR_FRAME_AND_RETURN \ - pop {r4-r7, pc} - - .syntax unified - .text - DEFINE_CODE_STATE - -@ int __divmodsi4(int divident, int divisor, int *remainder) -@ Calculate the quotient and remainder of the (signed) division. The return -@ value is the quotient, the remainder is placed in the variable. - - .p2align 3 -DEFINE_COMPILERRT_FUNCTION(__divmodsi4) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divzero) - mov r3, r0 - sdiv r0, r3, r1 - mls r1, r0, r1, r3 - str r1, [r2] - bx lr -LOCAL_LABEL(divzero): - mov r0, #0 - bx lr -#else - ESTABLISH_FRAME -// Set aside the sign of the quotient and modulus, and the address for the -// modulus. - eor r4, r0, r1 - mov r5, r0 - mov r6, r2 -// Take the absolute value of a and b via abs(x) = (x^(x >> 31)) - (x >> 31). - eor ip, r0, r0, asr #31 - eor lr, r1, r1, asr #31 - sub r0, ip, r0, asr #31 - sub r1, lr, r1, asr #31 -// Unsigned divmod: - bl SYMBOL_NAME(__udivmodsi4) -// Apply the sign of quotient and modulus - ldr r1, [r6] - eor r0, r0, r4, asr #31 - eor r1, r1, r5, asr #31 - sub r0, r0, r4, asr #31 - sub r1, r1, r5, asr #31 - str r1, [r6] - CLEAR_FRAME_AND_RETURN -#endif -END_COMPILERRT_FUNCTION(__divmodsi4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/divsf3vfp.S b/lib/libcompiler_rt/arm/divsf3vfp.S deleted file mode 100644 index 130318f0c37..00000000000 --- a/lib/libcompiler_rt/arm/divsf3vfp.S +++ /dev/null @@ -1,33 +0,0 @@ -//===-- divsf3vfp.S - Implement divsf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __divsf3vfp(float a, float b); -// -// Divides two single precision floating point numbers using the Darwin -// calling convention where single arguments are passsed like 32-bit ints. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__divsf3vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vdiv.f32 s0, s0, s1 -#else - vmov s14, r0 // move first param from r0 into float register - vmov s15, r1 // move second param from r1 into float register - vdiv.f32 s13, s14, s15 - vmov r0, s13 // move result back to r0 -#endif - bx lr -END_COMPILERRT_FUNCTION(__divsf3vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/divsi3.S b/lib/libcompiler_rt/arm/divsi3.S deleted file mode 100644 index 19757af177e..00000000000 --- a/lib/libcompiler_rt/arm/divsi3.S +++ /dev/null @@ -1,82 +0,0 @@ -/*===-- divsi3.S - 32-bit signed integer divide ---------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __divsi3 (32-bit signed integer divide) function - * for the ARM architecture as a wrapper around the unsigned routine. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - -#define ESTABLISH_FRAME \ - push {r4, r7, lr} ;\ - add r7, sp, #4 -#define CLEAR_FRAME_AND_RETURN \ - pop {r4, r7, pc} - - .syntax unified - .text - DEFINE_CODE_STATE - - .p2align 3 -// Ok, APCS and AAPCS agree on 32 bit args, so it's safe to use the same routine. -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_idiv, __divsi3) - -@ int __divsi3(int divident, int divisor) -@ Calculate and return the quotient of the (signed) division. - -DEFINE_COMPILERRT_FUNCTION(__divsi3) -#if __ARM_ARCH_EXT_IDIV__ - tst r1,r1 - beq LOCAL_LABEL(divzero) - sdiv r0, r0, r1 - bx lr -LOCAL_LABEL(divzero): - mov r0,#0 - bx lr -#else -ESTABLISH_FRAME -// Set aside the sign of the quotient. -# if defined(USE_THUMB_1) - movs r4, r0 - eors r4, r1 -# else - eor r4, r0, r1 -# endif -// Take absolute value of a and b via abs(x) = (x^(x >> 31)) - (x >> 31). -# if defined(USE_THUMB_1) - asrs r2, r0, #31 - asrs r3, r1, #31 - eors r0, r2 - eors r1, r3 - subs r0, r0, r2 - subs r1, r1, r3 -# else - eor r2, r0, r0, asr #31 - eor r3, r1, r1, asr #31 - sub r0, r2, r0, asr #31 - sub r1, r3, r1, asr #31 -# endif -// abs(a) / abs(b) - bl SYMBOL_NAME(__udivsi3) -// Apply sign of quotient to result and return. -# if defined(USE_THUMB_1) - asrs r4, #31 - eors r0, r4 - subs r0, r0, r4 -# else - eor r0, r0, r4, asr #31 - sub r0, r0, r4, asr #31 -# endif - CLEAR_FRAME_AND_RETURN -#endif -END_COMPILERRT_FUNCTION(__divsi3) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/eqdf2vfp.S b/lib/libcompiler_rt/arm/eqdf2vfp.S deleted file mode 100644 index d5070657091..00000000000 --- a/lib/libcompiler_rt/arm/eqdf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- eqdf2vfp.S - Implement eqdf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __eqdf2vfp(double a, double b); -// -// Returns one iff a == b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__eqdf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f64 d0, d1 -#else - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 -#endif - vmrs apsr_nzcv, fpscr - ITE(eq) - moveq r0, #1 // set result register to 1 if equal - movne r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__eqdf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/eqsf2vfp.S b/lib/libcompiler_rt/arm/eqsf2vfp.S deleted file mode 100644 index fd72b2fdbde..00000000000 --- a/lib/libcompiler_rt/arm/eqsf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- eqsf2vfp.S - Implement eqsf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __eqsf2vfp(float a, float b); -// -// Returns one iff a == b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__eqsf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f32 s0, s1 -#else - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 -#endif - vmrs apsr_nzcv, fpscr - ITE(eq) - moveq r0, #1 // set result register to 1 if equal - movne r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__eqsf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/extendsfdf2vfp.S b/lib/libcompiler_rt/arm/extendsfdf2vfp.S deleted file mode 100644 index 1079f977bae..00000000000 --- a/lib/libcompiler_rt/arm/extendsfdf2vfp.S +++ /dev/null @@ -1,33 +0,0 @@ -//===-- extendsfdf2vfp.S - Implement extendsfdf2vfp -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __extendsfdf2vfp(float a); -// -// Converts single precision float to double precision result. -// Uses Darwin calling convention where a single precision parameter is -// passed in a GPR and a double precision result is returned in R0/R1 pair. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__extendsfdf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcvt.f64.f32 d0, s0 -#else - vmov s15, r0 // load float register from R0 - vcvt.f64.f32 d7, s15 // convert single to double - vmov r0, r1, d7 // return result in r0/r1 pair -#endif - bx lr -END_COMPILERRT_FUNCTION(__extendsfdf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/fixdfsivfp.S b/lib/libcompiler_rt/arm/fixdfsivfp.S deleted file mode 100644 index 5d7b0f85654..00000000000 --- a/lib/libcompiler_rt/arm/fixdfsivfp.S +++ /dev/null @@ -1,34 +0,0 @@ -//===-- fixdfsivfp.S - Implement fixdfsivfp -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __fixdfsivfp(double a); -// -// Converts double precision float to a 32-bit int rounding towards zero. -// Uses Darwin calling convention where a double precision parameter is -// passed in GPR register pair. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__fixdfsivfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcvt.s32.f64 s0, d0 - vmov r0, s0 -#else - vmov d7, r0, r1 // load double register from R0/R1 - vcvt.s32.f64 s15, d7 // convert double to 32-bit int into s15 - vmov r0, s15 // move s15 to result register -#endif - bx lr -END_COMPILERRT_FUNCTION(__fixdfsivfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/fixsfsivfp.S b/lib/libcompiler_rt/arm/fixsfsivfp.S deleted file mode 100644 index 805a277afa3..00000000000 --- a/lib/libcompiler_rt/arm/fixsfsivfp.S +++ /dev/null @@ -1,34 +0,0 @@ -//===-- fixsfsivfp.S - Implement fixsfsivfp -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __fixsfsivfp(float a); -// -// Converts single precision float to a 32-bit int rounding towards zero. -// Uses Darwin calling convention where a single precision parameter is -// passed in a GPR.. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__fixsfsivfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcvt.s32.f32 s0, s0 - vmov r0, s0 -#else - vmov s15, r0 // load float register from R0 - vcvt.s32.f32 s15, s15 // convert single to 32-bit int into s15 - vmov r0, s15 // move s15 to result register -#endif - bx lr -END_COMPILERRT_FUNCTION(__fixsfsivfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/fixunsdfsivfp.S b/lib/libcompiler_rt/arm/fixunsdfsivfp.S deleted file mode 100644 index 4f1b2c8cefd..00000000000 --- a/lib/libcompiler_rt/arm/fixunsdfsivfp.S +++ /dev/null @@ -1,35 +0,0 @@ -//===-- fixunsdfsivfp.S - Implement fixunsdfsivfp -------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern unsigned int __fixunsdfsivfp(double a); -// -// Converts double precision float to a 32-bit unsigned int rounding towards -// zero. All negative values become zero. -// Uses Darwin calling convention where a double precision parameter is -// passed in GPR register pair. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__fixunsdfsivfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcvt.u32.f64 s0, d0 - vmov r0, s0 -#else - vmov d7, r0, r1 // load double register from R0/R1 - vcvt.u32.f64 s15, d7 // convert double to 32-bit int into s15 - vmov r0, s15 // move s15 to result register -#endif - bx lr -END_COMPILERRT_FUNCTION(__fixunsdfsivfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/fixunssfsivfp.S b/lib/libcompiler_rt/arm/fixunssfsivfp.S deleted file mode 100644 index e5d77823687..00000000000 --- a/lib/libcompiler_rt/arm/fixunssfsivfp.S +++ /dev/null @@ -1,35 +0,0 @@ -//===-- fixunssfsivfp.S - Implement fixunssfsivfp -------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern unsigned int __fixunssfsivfp(float a); -// -// Converts single precision float to a 32-bit unsigned int rounding towards -// zero. All negative values become zero. -// Uses Darwin calling convention where a single precision parameter is -// passed in a GPR.. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__fixunssfsivfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcvt.u32.f32 s0, s0 - vmov r0, s0 -#else - vmov s15, r0 // load float register from R0 - vcvt.u32.f32 s15, s15 // convert single to 32-bit unsigned into s15 - vmov r0, s15 // move s15 to result register -#endif - bx lr -END_COMPILERRT_FUNCTION(__fixunssfsivfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/floatsidfvfp.S b/lib/libcompiler_rt/arm/floatsidfvfp.S deleted file mode 100644 index 3297ad44d8c..00000000000 --- a/lib/libcompiler_rt/arm/floatsidfvfp.S +++ /dev/null @@ -1,34 +0,0 @@ -//===-- floatsidfvfp.S - Implement floatsidfvfp ---------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __floatsidfvfp(int a); -// -// Converts a 32-bit int to a double precision float. -// Uses Darwin calling convention where a double precision result is -// return in GPR register pair. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__floatsidfvfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vmov s0, r0 - vcvt.f64.s32 d0, s0 -#else - vmov s15, r0 // move int to float register s15 - vcvt.f64.s32 d7, s15 // convert 32-bit int in s15 to double in d7 - vmov r0, r1, d7 // move d7 to result register pair r0/r1 -#endif - bx lr -END_COMPILERRT_FUNCTION(__floatsidfvfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/floatsisfvfp.S b/lib/libcompiler_rt/arm/floatsisfvfp.S deleted file mode 100644 index 65408b54b8d..00000000000 --- a/lib/libcompiler_rt/arm/floatsisfvfp.S +++ /dev/null @@ -1,34 +0,0 @@ -//===-- floatsisfvfp.S - Implement floatsisfvfp ---------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __floatsisfvfp(int a); -// -// Converts single precision float to a 32-bit int rounding towards zero. -// Uses Darwin calling convention where a single precision result is -// return in a GPR.. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__floatsisfvfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vmov s0, r0 - vcvt.f32.s32 s0, s0 -#else - vmov s15, r0 // move int to float register s15 - vcvt.f32.s32 s15, s15 // convert 32-bit int in s15 to float in s15 - vmov r0, s15 // move s15 to result register -#endif - bx lr -END_COMPILERRT_FUNCTION(__floatsisfvfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/floatunssidfvfp.S b/lib/libcompiler_rt/arm/floatunssidfvfp.S deleted file mode 100644 index d7a7024a25b..00000000000 --- a/lib/libcompiler_rt/arm/floatunssidfvfp.S +++ /dev/null @@ -1,34 +0,0 @@ -//===-- floatunssidfvfp.S - Implement floatunssidfvfp ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __floatunssidfvfp(unsigned int a); -// -// Converts a 32-bit int to a double precision float. -// Uses Darwin calling convention where a double precision result is -// return in GPR register pair. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__floatunssidfvfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vmov s0, r0 - vcvt.f64.u32 d0, s0 -#else - vmov s15, r0 // move int to float register s15 - vcvt.f64.u32 d7, s15 // convert 32-bit int in s15 to double in d7 - vmov r0, r1, d7 // move d7 to result register pair r0/r1 -#endif - bx lr -END_COMPILERRT_FUNCTION(__floatunssidfvfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/floatunssisfvfp.S b/lib/libcompiler_rt/arm/floatunssisfvfp.S deleted file mode 100644 index 1ca856519a9..00000000000 --- a/lib/libcompiler_rt/arm/floatunssisfvfp.S +++ /dev/null @@ -1,34 +0,0 @@ -//===-- floatunssisfvfp.S - Implement floatunssisfvfp ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __floatunssisfvfp(unsigned int a); -// -// Converts single precision float to a 32-bit int rounding towards zero. -// Uses Darwin calling convention where a single precision result is -// return in a GPR.. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__floatunssisfvfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vmov s0, r0 - vcvt.f32.u32 s0, s0 -#else - vmov s15, r0 // move int to float register s15 - vcvt.f32.u32 s15, s15 // convert 32-bit int in s15 to float in s15 - vmov r0, s15 // move s15 to result register -#endif - bx lr -END_COMPILERRT_FUNCTION(__floatunssisfvfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/gedf2vfp.S b/lib/libcompiler_rt/arm/gedf2vfp.S deleted file mode 100644 index 364fc5b24cd..00000000000 --- a/lib/libcompiler_rt/arm/gedf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- gedf2vfp.S - Implement gedf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __gedf2vfp(double a, double b); -// -// Returns one iff a >= b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__gedf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f64 d0, d1 -#else - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 -#endif - vmrs apsr_nzcv, fpscr - ITE(ge) - movge r0, #1 // set result register to 1 if greater than or equal - movlt r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__gedf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/gesf2vfp.S b/lib/libcompiler_rt/arm/gesf2vfp.S deleted file mode 100644 index 346c3473ae4..00000000000 --- a/lib/libcompiler_rt/arm/gesf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- gesf2vfp.S - Implement gesf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __gesf2vfp(float a, float b); -// -// Returns one iff a >= b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__gesf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f32 s0, s1 -#else - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 -#endif - vmrs apsr_nzcv, fpscr - ITE(ge) - movge r0, #1 // set result register to 1 if greater than or equal - movlt r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__gesf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/gtdf2vfp.S b/lib/libcompiler_rt/arm/gtdf2vfp.S deleted file mode 100644 index 3389c3ad973..00000000000 --- a/lib/libcompiler_rt/arm/gtdf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- gtdf2vfp.S - Implement gtdf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __gtdf2vfp(double a, double b); -// -// Returns one iff a > b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__gtdf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f64 d0, d1 -#else - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 -#endif - vmrs apsr_nzcv, fpscr - ITE(gt) - movgt r0, #1 // set result register to 1 if equal - movle r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__gtdf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/gtsf2vfp.S b/lib/libcompiler_rt/arm/gtsf2vfp.S deleted file mode 100644 index afdba8b018e..00000000000 --- a/lib/libcompiler_rt/arm/gtsf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- gtsf2vfp.S - Implement gtsf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __gtsf2vfp(float a, float b); -// -// Returns one iff a > b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__gtsf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f32 s0, s1 -#else - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 -#endif - vmrs apsr_nzcv, fpscr - ITE(gt) - movgt r0, #1 // set result register to 1 if equal - movle r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__gtsf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/ledf2vfp.S b/lib/libcompiler_rt/arm/ledf2vfp.S deleted file mode 100644 index 4bbe4c86837..00000000000 --- a/lib/libcompiler_rt/arm/ledf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- ledf2vfp.S - Implement ledf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __ledf2vfp(double a, double b); -// -// Returns one iff a <= b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__ledf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f64 d0, d1 -#else - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 -#endif - vmrs apsr_nzcv, fpscr - ITE(ls) - movls r0, #1 // set result register to 1 if equal - movhi r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__ledf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/lesf2vfp.S b/lib/libcompiler_rt/arm/lesf2vfp.S deleted file mode 100644 index 51232bd8ced..00000000000 --- a/lib/libcompiler_rt/arm/lesf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- lesf2vfp.S - Implement lesf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __lesf2vfp(float a, float b); -// -// Returns one iff a <= b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__lesf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f32 s0, s1 -#else - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 -#endif - vmrs apsr_nzcv, fpscr - ITE(ls) - movls r0, #1 // set result register to 1 if equal - movhi r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__lesf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/ltdf2vfp.S b/lib/libcompiler_rt/arm/ltdf2vfp.S deleted file mode 100644 index 8e2928c813d..00000000000 --- a/lib/libcompiler_rt/arm/ltdf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- ltdf2vfp.S - Implement ltdf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __ltdf2vfp(double a, double b); -// -// Returns one iff a < b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__ltdf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f64 d0, d1 -#else - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 -#endif - vmrs apsr_nzcv, fpscr - ITE(mi) - movmi r0, #1 // set result register to 1 if equal - movpl r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__ltdf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/ltsf2vfp.S b/lib/libcompiler_rt/arm/ltsf2vfp.S deleted file mode 100644 index 59c00c6bab6..00000000000 --- a/lib/libcompiler_rt/arm/ltsf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- ltsf2vfp.S - Implement ltsf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __ltsf2vfp(float a, float b); -// -// Returns one iff a < b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__ltsf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f32 s0, s1 -#else - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 -#endif - vmrs apsr_nzcv, fpscr - ITE(mi) - movmi r0, #1 // set result register to 1 if equal - movpl r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__ltsf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/modsi3.S b/lib/libcompiler_rt/arm/modsi3.S deleted file mode 100644 index be263834d7f..00000000000 --- a/lib/libcompiler_rt/arm/modsi3.S +++ /dev/null @@ -1,60 +0,0 @@ -/*===-- modsi3.S - 32-bit signed integer modulus --------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __modsi3 (32-bit signed integer modulus) function - * for the ARM architecture as a wrapper around the unsigned routine. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - -#define ESTABLISH_FRAME \ - push {r4, r7, lr} ;\ - add r7, sp, #4 -#define CLEAR_FRAME_AND_RETURN \ - pop {r4, r7, pc} - - .syntax unified - .text - DEFINE_CODE_STATE - -@ int __modsi3(int divident, int divisor) -@ Calculate and return the remainder of the (signed) division. - - .p2align 3 -DEFINE_COMPILERRT_FUNCTION(__modsi3) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divzero) - sdiv r2, r0, r1 - mls r0, r2, r1, r0 - bx lr -LOCAL_LABEL(divzero): - mov r0, #0 - bx lr -#else - ESTABLISH_FRAME - // Set aside the sign of the dividend. - mov r4, r0 - // Take absolute value of a and b via abs(x) = (x^(x >> 31)) - (x >> 31). - eor r2, r0, r0, asr #31 - eor r3, r1, r1, asr #31 - sub r0, r2, r0, asr #31 - sub r1, r3, r1, asr #31 - // abs(a) % abs(b) - bl SYMBOL_NAME(__umodsi3) - // Apply sign of dividend to result and return. - eor r0, r0, r4, asr #31 - sub r0, r0, r4, asr #31 - CLEAR_FRAME_AND_RETURN -#endif -END_COMPILERRT_FUNCTION(__modsi3) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/muldf3vfp.S b/lib/libcompiler_rt/arm/muldf3vfp.S deleted file mode 100644 index aa7b2349503..00000000000 --- a/lib/libcompiler_rt/arm/muldf3vfp.S +++ /dev/null @@ -1,33 +0,0 @@ -//===-- muldf3vfp.S - Implement muldf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __muldf3vfp(double a, double b); -// -// Multiplies two double precision floating point numbers using the Darwin -// calling convention where double arguments are passsed in GPR pairs -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__muldf3vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vmul.f64 d0, d0, d1 -#else - vmov d6, r0, r1 // move first param from r0/r1 pair into d6 - vmov d7, r2, r3 // move second param from r2/r3 pair into d7 - vmul.f64 d6, d6, d7 - vmov r0, r1, d6 // move result back to r0/r1 pair -#endif - bx lr -END_COMPILERRT_FUNCTION(__muldf3vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/mulsf3vfp.S b/lib/libcompiler_rt/arm/mulsf3vfp.S deleted file mode 100644 index a1da789dcad..00000000000 --- a/lib/libcompiler_rt/arm/mulsf3vfp.S +++ /dev/null @@ -1,33 +0,0 @@ -//===-- mulsf3vfp.S - Implement mulsf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __mulsf3vfp(float a, float b); -// -// Multiplies two single precision floating point numbers using the Darwin -// calling convention where single arguments are passsed like 32-bit ints. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__mulsf3vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vmul.f32 s0, s0, s1 -#else - vmov s14, r0 // move first param from r0 into float register - vmov s15, r1 // move second param from r1 into float register - vmul.f32 s13, s14, s15 -#endif - vmov r0, s13 // move result back to r0 - bx lr -END_COMPILERRT_FUNCTION(__mulsf3vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/nedf2vfp.S b/lib/libcompiler_rt/arm/nedf2vfp.S deleted file mode 100644 index aef72eb0097..00000000000 --- a/lib/libcompiler_rt/arm/nedf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- nedf2vfp.S - Implement nedf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __nedf2vfp(double a, double b); -// -// Returns zero if a and b are unequal and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__nedf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f64 d0, d1 -#else - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 -#endif - vmrs apsr_nzcv, fpscr - ITE(ne) - movne r0, #1 // set result register to 0 if unequal - moveq r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__nedf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/negdf2vfp.S b/lib/libcompiler_rt/arm/negdf2vfp.S deleted file mode 100644 index 81f0ab8eec1..00000000000 --- a/lib/libcompiler_rt/arm/negdf2vfp.S +++ /dev/null @@ -1,30 +0,0 @@ -//===-- negdf2vfp.S - Implement negdf2vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __negdf2vfp(double a, double b); -// -// Returns the negation a double precision floating point numbers using the -// Darwin calling convention where double arguments are passsed in GPR pairs. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__negdf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vneg.f64 d0, d0 -#else - eor r1, r1, #-2147483648 // flip sign bit on double in r0/r1 pair -#endif - bx lr -END_COMPILERRT_FUNCTION(__negdf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/negsf2vfp.S b/lib/libcompiler_rt/arm/negsf2vfp.S deleted file mode 100644 index 46ab4a9cf16..00000000000 --- a/lib/libcompiler_rt/arm/negsf2vfp.S +++ /dev/null @@ -1,30 +0,0 @@ -//===-- negsf2vfp.S - Implement negsf2vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __negsf2vfp(float a); -// -// Returns the negation of a single precision floating point numbers using the -// Darwin calling convention where single arguments are passsed like 32-bit ints -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__negsf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vneg.f32 s0, s0 -#else - eor r0, r0, #-2147483648 // flip sign bit on float in r0 -#endif - bx lr -END_COMPILERRT_FUNCTION(__negsf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/nesf2vfp.S b/lib/libcompiler_rt/arm/nesf2vfp.S deleted file mode 100644 index 50d60f49300..00000000000 --- a/lib/libcompiler_rt/arm/nesf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- nesf2vfp.S - Implement nesf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __nesf2vfp(float a, float b); -// -// Returns one iff a != b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__nesf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f32 s0, s1 -#else - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 -#endif - vmrs apsr_nzcv, fpscr - ITE(ne) - movne r0, #1 // set result register to 1 if unequal - moveq r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__nesf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/restore_vfp_d8_d15_regs.S b/lib/libcompiler_rt/arm/restore_vfp_d8_d15_regs.S deleted file mode 100644 index 0692cf3e1b7..00000000000 --- a/lib/libcompiler_rt/arm/restore_vfp_d8_d15_regs.S +++ /dev/null @@ -1,35 +0,0 @@ -//===-- save_restore_regs.S - Implement save/restore* ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling C++ functions that need to handle thrown exceptions the -// compiler is required to save all registers and call __Unwind_SjLj_Register -// in the function prolog. But when compiling for thumb1, there are -// no instructions to access the floating point registers, so the -// compiler needs to add a call to the helper function _save_vfp_d8_d15_regs -// written in ARM to save the float registers. In the epilog, the compiler -// must also add a call to __restore_vfp_d8_d15_regs to restore those registers. -// - - .text - .syntax unified - -// -// Restore registers d8-d15 from stack -// - .p2align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__restore_vfp_d8_d15_regs) - vldmia sp!, {d8-d15} // pop registers d8-d15 off stack - bx lr // return to prolog -END_COMPILERRT_FUNCTION(__restore_vfp_d8_d15_regs) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/save_vfp_d8_d15_regs.S b/lib/libcompiler_rt/arm/save_vfp_d8_d15_regs.S deleted file mode 100644 index 544dd5467a4..00000000000 --- a/lib/libcompiler_rt/arm/save_vfp_d8_d15_regs.S +++ /dev/null @@ -1,35 +0,0 @@ -//===-- save_restore_regs.S - Implement save/restore* ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling C++ functions that need to handle thrown exceptions the -// compiler is required to save all registers and call __Unwind_SjLj_Register -// in the function prolog. But when compiling for thumb1, there are -// no instructions to access the floating point registers, so the -// compiler needs to add a call to the helper function _save_vfp_d8_d15_regs -// written in ARM to save the float registers. In the epilog, the compiler -// must also add a call to __restore_vfp_d8_d15_regs to restore those registers. -// - - .text - .syntax unified - -// -// Save registers d8-d15 onto stack -// - .p2align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__save_vfp_d8_d15_regs) - vstmdb sp!, {d8-d15} // push registers d8-d15 onto stack - bx lr // return to prolog -END_COMPILERRT_FUNCTION(__save_vfp_d8_d15_regs) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/softfloat-alias.list b/lib/libcompiler_rt/arm/softfloat-alias.list deleted file mode 100644 index cc6a4b3cdd2..00000000000 --- a/lib/libcompiler_rt/arm/softfloat-alias.list +++ /dev/null @@ -1,21 +0,0 @@ -# -# These are soft float functions which can be -# aliased to the *vfp functions on arm processors -# that support floating point instructions. -# -___adddf3vfp ___adddf3 -___addsf3vfp ___addsf3 -___divdf3vfp ___divdf3 -___divsf3vfp ___divsf3 -___extendsfdf2vfp ___extendsfdf2 -___fixdfsivfp ___fixdfsi -___fixsfsivfp ___fixsfsi -___floatsidfvfp ___floatsidf -___floatsisfvfp ___floatsisf -___muldf3vfp ___muldf3 -___mulsf3vfp ___mulsf3 -___subdf3vfp ___subdf3 -___subsf3vfp ___subsf3 -___truncdfsf2vfp ___truncdfsf2 -___floatunssidfvfp ___floatunsidf -___floatunssisfvfp ___floatunsisf diff --git a/lib/libcompiler_rt/arm/subdf3vfp.S b/lib/libcompiler_rt/arm/subdf3vfp.S deleted file mode 100644 index 2b6f2bdbfdd..00000000000 --- a/lib/libcompiler_rt/arm/subdf3vfp.S +++ /dev/null @@ -1,33 +0,0 @@ -//===-- subdf3vfp.S - Implement subdf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __subdf3vfp(double a, double b); -// -// Returns difference between two double precision floating point numbers using -// the Darwin calling convention where double arguments are passsed in GPR pairs -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__subdf3vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vsub.f64 d0, d0, d1 -#else - vmov d6, r0, r1 // move first param from r0/r1 pair into d6 - vmov d7, r2, r3 // move second param from r2/r3 pair into d7 - vsub.f64 d6, d6, d7 - vmov r0, r1, d6 // move result back to r0/r1 pair -#endif - bx lr -END_COMPILERRT_FUNCTION(__subdf3vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/subsf3vfp.S b/lib/libcompiler_rt/arm/subsf3vfp.S deleted file mode 100644 index 3e83ea26507..00000000000 --- a/lib/libcompiler_rt/arm/subsf3vfp.S +++ /dev/null @@ -1,34 +0,0 @@ -//===-- subsf3vfp.S - Implement subsf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __subsf3vfp(float a, float b); -// -// Returns the difference between two single precision floating point numbers -// using the Darwin calling convention where single arguments are passsed -// like 32-bit ints. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__subsf3vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vsub.f32 s0, s0, s1 -#else - vmov s14, r0 // move first param from r0 into float register - vmov s15, r1 // move second param from r1 into float register - vsub.f32 s14, s14, s15 - vmov r0, s14 // move result back to r0 -#endif - bx lr -END_COMPILERRT_FUNCTION(__subsf3vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/switch16.S b/lib/libcompiler_rt/arm/switch16.S deleted file mode 100644 index df9e38e176c..00000000000 --- a/lib/libcompiler_rt/arm/switch16.S +++ /dev/null @@ -1,46 +0,0 @@ -//===-- switch.S - Implement switch* --------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling switch statements in thumb mode, the compiler -// can use these __switch* helper functions The compiler emits a blx to -// the __switch* function followed by a table of displacements for each -// case statement. On entry, R0 is the index into the table. The __switch* -// function uses the return address in lr to find the start of the table. -// The first entry in the table is the count of the entries in the table. -// It then uses R0 to index into the table and get the displacement of the -// address to jump to. If R0 is greater than the size of the table, it jumps -// to the last entry in the table. Each displacement in the table is actually -// the distance from lr to the label, thus making the tables PIC. - - - .text - .syntax unified - -// -// The table contains signed 2-byte sized elements which are 1/2 the distance -// from lr to the target label. -// - .p2align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__switch16) - ldrh ip, [lr, #-1] // get first 16-bit word in table - cmp r0, ip // compare with index - add r0, lr, r0, lsl #1 // compute address of element in table - add ip, lr, ip, lsl #1 // compute address of last element in table - ite lo - ldrshlo r0, [r0, #1] // load 16-bit element if r0 is in range - ldrshhs r0, [ip, #1] // load 16-bit element if r0 out of range - add ip, lr, r0, lsl #1 // compute label = lr + element*2 - bx ip // jump to computed label -END_COMPILERRT_FUNCTION(__switch16) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/switch32.S b/lib/libcompiler_rt/arm/switch32.S deleted file mode 100644 index d97b5361436..00000000000 --- a/lib/libcompiler_rt/arm/switch32.S +++ /dev/null @@ -1,46 +0,0 @@ -//===-- switch.S - Implement switch* --------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling switch statements in thumb mode, the compiler -// can use these __switch* helper functions The compiler emits a blx to -// the __switch* function followed by a table of displacements for each -// case statement. On entry, R0 is the index into the table. The __switch* -// function uses the return address in lr to find the start of the table. -// The first entry in the table is the count of the entries in the table. -// It then uses R0 to index into the table and get the displacement of the -// address to jump to. If R0 is greater than the size of the table, it jumps -// to the last entry in the table. Each displacement in the table is actually -// the distance from lr to the label, thus making the tables PIC. - - - .text - .syntax unified - -// -// The table contains signed 4-byte sized elements which are the distance -// from lr to the target label. -// - .p2align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__switch32) - ldr ip, [lr, #-1] // get first 32-bit word in table - cmp r0, ip // compare with index - add r0, lr, r0, lsl #2 // compute address of element in table - add ip, lr, ip, lsl #2 // compute address of last element in table - ite lo - ldrlo r0, [r0, #3] // load 32-bit element if r0 is in range - ldrhs r0, [ip, #3] // load 32-bit element if r0 out of range - add ip, lr, r0 // compute label = lr + element - bx ip // jump to computed label -END_COMPILERRT_FUNCTION(__switch32) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/switch8.S b/lib/libcompiler_rt/arm/switch8.S deleted file mode 100644 index 4d9e0eaff84..00000000000 --- a/lib/libcompiler_rt/arm/switch8.S +++ /dev/null @@ -1,44 +0,0 @@ -//===-- switch.S - Implement switch* --------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling switch statements in thumb mode, the compiler -// can use these __switch* helper functions The compiler emits a blx to -// the __switch* function followed by a table of displacements for each -// case statement. On entry, R0 is the index into the table. The __switch* -// function uses the return address in lr to find the start of the table. -// The first entry in the table is the count of the entries in the table. -// It then uses R0 to index into the table and get the displacement of the -// address to jump to. If R0 is greater than the size of the table, it jumps -// to the last entry in the table. Each displacement in the table is actually -// the distance from lr to the label, thus making the tables PIC. - - - .text - .syntax unified - -// -// The table contains signed byte sized elements which are 1/2 the distance -// from lr to the target label. -// - .p2align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__switch8) - ldrb ip, [lr, #-1] // get first byte in table - cmp r0, ip // signed compare with index - ite lo - ldrsblo r0, [lr, r0] // get indexed byte out of table - ldrsbhs r0, [lr, ip] // if out of range, use last entry in table - add ip, lr, r0, lsl #1 // compute label = lr + element*2 - bx ip // jump to computed label -END_COMPILERRT_FUNCTION(__switch8) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/switchu8.S b/lib/libcompiler_rt/arm/switchu8.S deleted file mode 100644 index 4ffe35f0549..00000000000 --- a/lib/libcompiler_rt/arm/switchu8.S +++ /dev/null @@ -1,44 +0,0 @@ -//===-- switch.S - Implement switch* --------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling switch statements in thumb mode, the compiler -// can use these __switch* helper functions The compiler emits a blx to -// the __switch* function followed by a table of displacements for each -// case statement. On entry, R0 is the index into the table. The __switch* -// function uses the return address in lr to find the start of the table. -// The first entry in the table is the count of the entries in the table. -// It then uses R0 to index into the table and get the displacement of the -// address to jump to. If R0 is greater than the size of the table, it jumps -// to the last entry in the table. Each displacement in the table is actually -// the distance from lr to the label, thus making the tables PIC. - - - .text - .syntax unified - -// -// The table contains unsigned byte sized elements which are 1/2 the distance -// from lr to the target label. -// - .p2align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__switchu8) - ldrb ip, [lr, #-1] // get first byte in table - cmp r0, ip // compare with index - ite lo - ldrblo r0, [lr, r0] // get indexed byte out of table - ldrbhs r0, [lr, ip] // if out of range, use last entry in table - add ip, lr, r0, lsl #1 // compute label = lr + element*2 - bx ip // jump to computed label -END_COMPILERRT_FUNCTION(__switchu8) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync-ops.h b/lib/libcompiler_rt/arm/sync-ops.h deleted file mode 100644 index ee02c30c6ea..00000000000 --- a/lib/libcompiler_rt/arm/sync-ops.h +++ /dev/null @@ -1,64 +0,0 @@ -/*===-- sync-ops.h - --===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements outline macros for the __sync_fetch_and_* - * operations. Different instantiations will generate appropriate assembly for - * ARM and Thumb-2 versions of the functions. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - -#define SYNC_OP_4(op) \ - .p2align 2 ; \ - .thumb ; \ - .syntax unified ; \ - DEFINE_COMPILERRT_THUMB_FUNCTION(__sync_fetch_and_ ## op) \ - dmb ; \ - mov r12, r0 ; \ - LOCAL_LABEL(tryatomic_ ## op): \ - ldrex r0, [r12] ; \ - op(r2, r0, r1) ; \ - strex r3, r2, [r12] ; \ - cmp r3, #0 ; \ - bne LOCAL_LABEL(tryatomic_ ## op) ; \ - dmb ; \ - bx lr - -#define SYNC_OP_8(op) \ - .p2align 2 ; \ - .thumb ; \ - .syntax unified ; \ - DEFINE_COMPILERRT_THUMB_FUNCTION(__sync_fetch_and_ ## op) \ - push {r4, r5, r6, lr} ; \ - dmb ; \ - mov r12, r0 ; \ - LOCAL_LABEL(tryatomic_ ## op): \ - ldrexd r0, r1, [r12] ; \ - op(r4, r5, r0, r1, r2, r3) ; \ - strexd r6, r4, r5, [r12] ; \ - cmp r6, #0 ; \ - bne LOCAL_LABEL(tryatomic_ ## op) ; \ - dmb ; \ - pop {r4, r5, r6, pc} - -#define MINMAX_4(rD, rN, rM, cmp_kind) \ - cmp rN, rM ; \ - mov rD, rM ; \ - it cmp_kind ; \ - mov##cmp_kind rD, rN - -#define MINMAX_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI, cmp_kind) \ - cmp rN_LO, rM_LO ; \ - sbcs rN_HI, rM_HI ; \ - mov rD_LO, rM_LO ; \ - mov rD_HI, rM_HI ; \ - itt cmp_kind ; \ - mov##cmp_kind rD_LO, rN_LO ; \ - mov##cmp_kind rD_HI, rN_HI diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_add_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_add_4.S deleted file mode 100644 index 7877d6c46c1..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_add_4.S +++ /dev/null @@ -1,23 +0,0 @@ -/*===-- sync_fetch_and_add_4.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_add_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -/* "adds" is 2 bytes shorter than "add". */ -#define add_4(rD, rN, rM) add rD, rN, rM - -SYNC_OP_4(add_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_add_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_add_8.S deleted file mode 100644 index 1df07a342a1..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_add_8.S +++ /dev/null @@ -1,26 +0,0 @@ -/*===-- sync_fetch_and_add_8.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_add_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define add_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) \ - adds rD_LO, rN_LO, rM_LO ; \ - adc rD_HI, rN_HI, rM_HI - -SYNC_OP_8(add_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_and_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_and_4.S deleted file mode 100644 index 720ff02279c..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_and_4.S +++ /dev/null @@ -1,22 +0,0 @@ -/*===-- sync_fetch_and_and_4.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_and_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#define and_4(rD, rN, rM) and rD, rN, rM - -SYNC_OP_4(and_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_and_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_and_8.S deleted file mode 100644 index 4f7b5ca7ab2..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_and_8.S +++ /dev/null @@ -1,26 +0,0 @@ -/*===-- sync_fetch_and_and_8.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_and_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define and_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) \ - and rD_LO, rN_LO, rM_LO ; \ - and rD_HI, rN_HI, rM_HI - -SYNC_OP_8(and_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_max_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_max_4.S deleted file mode 100644 index 43da9c7d406..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_max_4.S +++ /dev/null @@ -1,22 +0,0 @@ -/*===-- sync_fetch_and_max_4.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_max_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#define max_4(rD, rN, rM) MINMAX_4(rD, rN, rM, gt) - -SYNC_OP_4(max_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_max_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_max_8.S deleted file mode 100644 index 898fc6202ac..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_max_8.S +++ /dev/null @@ -1,24 +0,0 @@ -/*===-- sync_fetch_and_max_8.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_max_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define max_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) MINMAX_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI, gt) - -SYNC_OP_8(max_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_min_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_min_4.S deleted file mode 100644 index bba31a03aac..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_min_4.S +++ /dev/null @@ -1,22 +0,0 @@ -/*===-- sync_fetch_and_min_4.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_min_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#define min_4(rD, rN, rM) MINMAX_4(rD, rN, rM, lt) - -SYNC_OP_4(min_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_min_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_min_8.S deleted file mode 100644 index e7ccf9fb60e..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_min_8.S +++ /dev/null @@ -1,24 +0,0 @@ -/*===-- sync_fetch_and_min_8.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_min_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define min_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) MINMAX_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI, lt) - -SYNC_OP_8(min_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_nand_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_nand_4.S deleted file mode 100644 index c13dd394588..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_nand_4.S +++ /dev/null @@ -1,22 +0,0 @@ -/*===-- sync_fetch_and_nand_4.S - -----------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_nand_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#define nand_4(rD, rN, rM) bic rD, rN, rM - -SYNC_OP_4(nand_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_nand_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_nand_8.S deleted file mode 100644 index e8107ab3a33..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_nand_8.S +++ /dev/null @@ -1,26 +0,0 @@ -/*===-- sync_fetch_and_nand_8.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_nand_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define nand_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) \ - bic rD_LO, rN_LO, rM_LO ; \ - bic rD_HI, rN_HI, rM_HI - -SYNC_OP_8(nand_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_or_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_or_4.S deleted file mode 100644 index 6726571a944..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_or_4.S +++ /dev/null @@ -1,22 +0,0 @@ -/*===-- sync_fetch_and_or_4.S - -------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_or_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#define or_4(rD, rN, rM) orr rD, rN, rM - -SYNC_OP_4(or_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_or_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_or_8.S deleted file mode 100644 index f7f162c7c3b..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_or_8.S +++ /dev/null @@ -1,26 +0,0 @@ -/*===-- sync_fetch_and_or_8.S - -------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_or_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define or_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) \ - orr rD_LO, rN_LO, rM_LO ; \ - orr rD_HI, rN_HI, rM_HI - -SYNC_OP_8(or_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_sub_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_sub_4.S deleted file mode 100644 index b9326b14cdd..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_sub_4.S +++ /dev/null @@ -1,23 +0,0 @@ -/*===-- sync_fetch_and_sub_4.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_sub_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -/* "subs" is 2 bytes shorter than "sub". */ -#define sub_4(rD, rN, rM) sub rD, rN, rM - -SYNC_OP_4(sub_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_sub_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_sub_8.S deleted file mode 100644 index 6ce743e5ee9..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_sub_8.S +++ /dev/null @@ -1,26 +0,0 @@ -/*===-- sync_fetch_and_sub_8.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_sub_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define sub_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) \ - subs rD_LO, rN_LO, rM_LO ; \ - sbc rD_HI, rN_HI, rM_HI - -SYNC_OP_8(sub_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_umax_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_umax_4.S deleted file mode 100644 index b8d19ff3505..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_umax_4.S +++ /dev/null @@ -1,22 +0,0 @@ -/*===-- sync_fetch_and_umax_4.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_umax_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#define umax_4(rD, rN, rM) MINMAX_4(rD, rN, rM, hi) - -SYNC_OP_4(umax_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_umax_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_umax_8.S deleted file mode 100644 index 34442fd7745..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_umax_8.S +++ /dev/null @@ -1,24 +0,0 @@ -/*===-- sync_fetch_and_umax_8.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_umax_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define umax_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) MINMAX_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI, hi) - -SYNC_OP_8(umax_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_umin_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_umin_4.S deleted file mode 100644 index 0998e3e10f5..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_umin_4.S +++ /dev/null @@ -1,22 +0,0 @@ -/*===-- sync_fetch_and_umin_4.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_umin_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#define umin_4(rD, rN, rM) MINMAX_4(rD, rN, rM, lo) - -SYNC_OP_4(umin_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_umin_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_umin_8.S deleted file mode 100644 index 558f9139051..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_umin_8.S +++ /dev/null @@ -1,24 +0,0 @@ -/*===-- sync_fetch_and_umin_8.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_umin_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define umin_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) MINMAX_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI, lo) - -SYNC_OP_8(umin_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_xor_4.S b/lib/libcompiler_rt/arm/sync_fetch_and_xor_4.S deleted file mode 100644 index 824f4914688..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_xor_4.S +++ /dev/null @@ -1,22 +0,0 @@ -/*===-- sync_fetch_and_xor_4.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_xor_4 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#define xor_4(rD, rN, rM) eor rD, rN, rM - -SYNC_OP_4(xor_4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_fetch_and_xor_8.S b/lib/libcompiler_rt/arm/sync_fetch_and_xor_8.S deleted file mode 100644 index 073fb9c20f2..00000000000 --- a/lib/libcompiler_rt/arm/sync_fetch_and_xor_8.S +++ /dev/null @@ -1,26 +0,0 @@ -/*===-- sync_fetch_and_xor_8.S - ------------------------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __sync_fetch_and_xor_8 function for the ARM - * architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "sync-ops.h" - -#if __ARM_ARCH_PROFILE != 'M' -#define xor_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) \ - eor rD_LO, rN_LO, rM_LO ; \ - eor rD_HI, rN_HI, rM_HI - -SYNC_OP_8(xor_8) -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/sync_synchronize.S b/lib/libcompiler_rt/arm/sync_synchronize.S deleted file mode 100644 index 61d1db910f0..00000000000 --- a/lib/libcompiler_rt/arm/sync_synchronize.S +++ /dev/null @@ -1,38 +0,0 @@ -//===-- sync_synchronize - Implement memory barrier * ----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling a use of the gcc built-in __sync_synchronize() in thumb1 mode -// the compiler may emit a call to __sync_synchronize. -// On Darwin the implementation jumps to an OS supplied function named -// OSMemoryBarrier -// - - .text - .syntax unified - -#if __APPLE__ - - .p2align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__sync_synchronize) - stmfd sp!, {r7, lr} - add r7, sp, #0 - bl _OSMemoryBarrier - ldmfd sp!, {r7, pc} -END_COMPILERRT_FUNCTION(__sync_synchronize) - - // tell linker it can break up file at label boundaries - .subsections_via_symbols - -#endif - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/truncdfsf2vfp.S b/lib/libcompiler_rt/arm/truncdfsf2vfp.S deleted file mode 100644 index 682e54d3d29..00000000000 --- a/lib/libcompiler_rt/arm/truncdfsf2vfp.S +++ /dev/null @@ -1,33 +0,0 @@ -//===-- truncdfsf2vfp.S - Implement truncdfsf2vfp -------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __truncdfsf2vfp(double a); -// -// Converts double precision float to signle precision result. -// Uses Darwin calling convention where a double precision parameter is -// passed in a R0/R1 pair and a signle precision result is returned in R0. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__truncdfsf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcvt.f32.f64 s0, d0 -#else - vmov d7, r0, r1 // load double from r0/r1 pair - vcvt.f32.f64 s15, d7 // convert double to single (trucate precision) - vmov r0, s15 // return result in r0 -#endif - bx lr -END_COMPILERRT_FUNCTION(__truncdfsf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/udivmodsi4.S b/lib/libcompiler_rt/arm/udivmodsi4.S deleted file mode 100644 index ee3950c9b0e..00000000000 --- a/lib/libcompiler_rt/arm/udivmodsi4.S +++ /dev/null @@ -1,180 +0,0 @@ -/*===-- udivmodsi4.S - 32-bit unsigned integer divide and modulus ---------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __udivmodsi4 (32-bit unsigned integer divide and - * modulus) function for the ARM 32-bit architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - - .syntax unified - .text - DEFINE_CODE_STATE - -@ unsigned int __udivmodsi4(unsigned int divident, unsigned int divisor, -@ unsigned int *remainder) -@ Calculate the quotient and remainder of the (unsigned) division. The return -@ value is the quotient, the remainder is placed in the variable. - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__udivmodsi4) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divby0) - mov r3, r0 - udiv r0, r3, r1 - mls r1, r0, r1, r3 - str r1, [r2] - bx lr -#else - cmp r1, #1 - bcc LOCAL_LABEL(divby0) - beq LOCAL_LABEL(divby1) - cmp r0, r1 - bcc LOCAL_LABEL(quotient0) - /* - * Implement division using binary long division algorithm. - * - * r0 is the numerator, r1 the denominator. - * - * The code before JMP computes the correct shift I, so that - * r0 and (r1 << I) have the highest bit set in the same position. - * At the time of JMP, ip := .Ldiv0block - 12 * I. - * This depends on the fixed instruction size of block. - * For ARM mode, this is 12 Bytes, for THUMB mode 14 Bytes. - * - * block(shift) implements the test-and-update-quotient core. - * It assumes (r0 << shift) can be computed without overflow and - * that (r0 << shift) < 2 * r1. The quotient is stored in r3. - */ - -# ifdef __ARM_FEATURE_CLZ - clz ip, r0 - clz r3, r1 - /* r0 >= r1 implies clz(r0) <= clz(r1), so ip <= r3. */ - sub r3, r3, ip -# if defined(USE_THUMB_2) - adr ip, LOCAL_LABEL(div0block) + 1 - sub ip, ip, r3, lsl #1 -# else - adr ip, LOCAL_LABEL(div0block) -# endif - sub ip, ip, r3, lsl #2 - sub ip, ip, r3, lsl #3 - mov r3, #0 - bx ip -# else -# if defined(USE_THUMB_2) -# error THUMB mode requires CLZ or UDIV -# endif - str r4, [sp, #-8]! - - mov r4, r0 - adr ip, LOCAL_LABEL(div0block) - - lsr r3, r4, #16 - cmp r3, r1 - movhs r4, r3 - subhs ip, ip, #(16 * 12) - - lsr r3, r4, #8 - cmp r3, r1 - movhs r4, r3 - subhs ip, ip, #(8 * 12) - - lsr r3, r4, #4 - cmp r3, r1 - movhs r4, r3 - subhs ip, #(4 * 12) - - lsr r3, r4, #2 - cmp r3, r1 - movhs r4, r3 - subhs ip, ip, #(2 * 12) - - /* Last block, no need to update r3 or r4. */ - cmp r1, r4, lsr #1 - subls ip, ip, #(1 * 12) - - ldr r4, [sp], #8 /* restore r4, we are done with it. */ - mov r3, #0 - - JMP(ip) -# endif - -#define IMM # - -#define block(shift) \ - cmp r0, r1, lsl IMM shift; \ - ITT(hs); \ - WIDE(addhs) r3, r3, IMM (1 << shift); \ - WIDE(subhs) r0, r0, r1, lsl IMM shift - - block(31) - block(30) - block(29) - block(28) - block(27) - block(26) - block(25) - block(24) - block(23) - block(22) - block(21) - block(20) - block(19) - block(18) - block(17) - block(16) - block(15) - block(14) - block(13) - block(12) - block(11) - block(10) - block(9) - block(8) - block(7) - block(6) - block(5) - block(4) - block(3) - block(2) - block(1) -LOCAL_LABEL(div0block): - block(0) - - str r0, [r2] - mov r0, r3 - JMP(lr) - -LOCAL_LABEL(quotient0): - str r0, [r2] - mov r0, #0 - JMP(lr) - -LOCAL_LABEL(divby1): - mov r3, #0 - str r3, [r2] - JMP(lr) -#endif /* __ARM_ARCH_EXT_IDIV__ */ - -LOCAL_LABEL(divby0): - mov r0, #0 -#ifdef __ARM_EABI__ - b __aeabi_idiv0 -#else - JMP(lr) -#endif - -END_COMPILERRT_FUNCTION(__udivmodsi4) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/udivsi3.S b/lib/libcompiler_rt/arm/udivsi3.S deleted file mode 100644 index 6dea27d404f..00000000000 --- a/lib/libcompiler_rt/arm/udivsi3.S +++ /dev/null @@ -1,264 +0,0 @@ -/*===-- udivsi3.S - 32-bit unsigned integer divide ------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __udivsi3 (32-bit unsigned integer divide) - * function for the ARM 32-bit architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - - .syntax unified - .text - -DEFINE_CODE_STATE - - .p2align 2 -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_uidiv, __udivsi3) - -@ unsigned int __udivsi3(unsigned int divident, unsigned int divisor) -@ Calculate and return the quotient of the (unsigned) division. - -DEFINE_COMPILERRT_FUNCTION(__udivsi3) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divby0) - udiv r0, r0, r1 - bx lr - -LOCAL_LABEL(divby0): - mov r0, #0 -# ifdef __ARM_EABI__ - b __aeabi_idiv0 -# else - JMP(lr) -# endif - -#else /* ! __ARM_ARCH_EXT_IDIV__ */ - cmp r1, #1 - bcc LOCAL_LABEL(divby0) -#if defined(USE_THUMB_1) - bne LOCAL_LABEL(num_neq_denom) - JMP(lr) -LOCAL_LABEL(num_neq_denom): -#else - IT(eq) - JMPc(lr, eq) -#endif - cmp r0, r1 -#if defined(USE_THUMB_1) - bhs LOCAL_LABEL(num_ge_denom) - movs r0, #0 - JMP(lr) -LOCAL_LABEL(num_ge_denom): -#else - ITT(cc) - movcc r0, #0 - JMPc(lr, cc) -#endif - - /* - * Implement division using binary long division algorithm. - * - * r0 is the numerator, r1 the denominator. - * - * The code before JMP computes the correct shift I, so that - * r0 and (r1 << I) have the highest bit set in the same position. - * At the time of JMP, ip := .Ldiv0block - 12 * I. - * This depends on the fixed instruction size of block. - * For ARM mode, this is 12 Bytes, for THUMB mode 14 Bytes. - * - * block(shift) implements the test-and-update-quotient core. - * It assumes (r0 << shift) can be computed without overflow and - * that (r0 << shift) < 2 * r1. The quotient is stored in r3. - */ - -# if defined(__ARM_FEATURE_CLZ) - clz ip, r0 - clz r3, r1 - /* r0 >= r1 implies clz(r0) <= clz(r1), so ip <= r3. */ - sub r3, r3, ip -# if defined(USE_THUMB_2) - adr ip, LOCAL_LABEL(div0block) + 1 - sub ip, ip, r3, lsl #1 -# else - adr ip, LOCAL_LABEL(div0block) -# endif - sub ip, ip, r3, lsl #2 - sub ip, ip, r3, lsl #3 - mov r3, #0 - bx ip -# else /* No CLZ Feature */ -# if defined(USE_THUMB_2) -# error THUMB mode requires CLZ or UDIV -# endif -# if defined(USE_THUMB_1) -# define BLOCK_SIZE 10 -# else -# define BLOCK_SIZE 12 -# endif - - mov r2, r0 -# if defined(USE_THUMB_1) - mov ip, r0 - adr r0, LOCAL_LABEL(div0block) - adds r0, #1 -# else - adr ip, LOCAL_LABEL(div0block) -# endif - lsrs r3, r2, #16 - cmp r3, r1 -# if defined(USE_THUMB_1) - blo LOCAL_LABEL(skip_16) - movs r2, r3 - subs r0, r0, #(16 * BLOCK_SIZE) -LOCAL_LABEL(skip_16): -# else - movhs r2, r3 - subhs ip, ip, #(16 * BLOCK_SIZE) -# endif - - lsrs r3, r2, #8 - cmp r3, r1 -# if defined(USE_THUMB_1) - blo LOCAL_LABEL(skip_8) - movs r2, r3 - subs r0, r0, #(8 * BLOCK_SIZE) -LOCAL_LABEL(skip_8): -# else - movhs r2, r3 - subhs ip, ip, #(8 * BLOCK_SIZE) -# endif - - lsrs r3, r2, #4 - cmp r3, r1 -# if defined(USE_THUMB_1) - blo LOCAL_LABEL(skip_4) - movs r2, r3 - subs r0, r0, #(4 * BLOCK_SIZE) -LOCAL_LABEL(skip_4): -# else - movhs r2, r3 - subhs ip, #(4 * BLOCK_SIZE) -# endif - - lsrs r3, r2, #2 - cmp r3, r1 -# if defined(USE_THUMB_1) - blo LOCAL_LABEL(skip_2) - movs r2, r3 - subs r0, r0, #(2 * BLOCK_SIZE) -LOCAL_LABEL(skip_2): -# else - movhs r2, r3 - subhs ip, ip, #(2 * BLOCK_SIZE) -# endif - - /* Last block, no need to update r2 or r3. */ -# if defined(USE_THUMB_1) - lsrs r3, r2, #1 - cmp r3, r1 - blo LOCAL_LABEL(skip_1) - subs r0, r0, #(1 * BLOCK_SIZE) -LOCAL_LABEL(skip_1): - movs r2, r0 - mov r0, ip - movs r3, #0 - JMP (r2) - -# else - cmp r1, r2, lsr #1 - subls ip, ip, #(1 * BLOCK_SIZE) - - movs r3, #0 - - JMP(ip) -# endif -# endif /* __ARM_FEATURE_CLZ */ - - -#define IMM # - /* due to the range limit of branch in Thumb1, we have to place the - block closer */ -LOCAL_LABEL(divby0): - movs r0, #0 -# if defined(__ARM_EABI__) - push {r7, lr} - bl __aeabi_idiv0 // due to relocation limit, can't use b. - pop {r7, pc} -# else - JMP(lr) -# endif - - -#if defined(USE_THUMB_1) -#define block(shift) \ - lsls r2, r1, IMM shift; \ - cmp r0, r2; \ - blo LOCAL_LABEL(block_skip_##shift); \ - subs r0, r0, r2; \ - LOCAL_LABEL(block_skip_##shift) :; \ - adcs r3, r3 /* same as ((r3 << 1) | Carry). Carry is set if r0 >= r2. */ - - /* TODO: if current location counter is not not word aligned, we don't - need the .p2align and nop */ - /* Label div0block must be word-aligned. First align block 31 */ - .p2align 2 - nop /* Padding to align div0block as 31 blocks = 310 bytes */ - -#else -#define block(shift) \ - cmp r0, r1, lsl IMM shift; \ - ITT(hs); \ - WIDE(addhs) r3, r3, IMM (1 << shift); \ - WIDE(subhs) r0, r0, r1, lsl IMM shift -#endif - - block(31) - block(30) - block(29) - block(28) - block(27) - block(26) - block(25) - block(24) - block(23) - block(22) - block(21) - block(20) - block(19) - block(18) - block(17) - block(16) - block(15) - block(14) - block(13) - block(12) - block(11) - block(10) - block(9) - block(8) - block(7) - block(6) - block(5) - block(4) - block(3) - block(2) - block(1) -LOCAL_LABEL(div0block): - block(0) - - mov r0, r3 - JMP(lr) -#endif /* __ARM_ARCH_EXT_IDIV__ */ - -END_COMPILERRT_FUNCTION(__udivsi3) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/umodsi3.S b/lib/libcompiler_rt/arm/umodsi3.S deleted file mode 100644 index 069fad34cb9..00000000000 --- a/lib/libcompiler_rt/arm/umodsi3.S +++ /dev/null @@ -1,158 +0,0 @@ -/*===-- umodsi3.S - 32-bit unsigned integer modulus -----------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __umodsi3 (32-bit unsigned integer modulus) - * function for the ARM 32-bit architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - - .syntax unified - .text - DEFINE_CODE_STATE - -@ unsigned int __umodsi3(unsigned int divident, unsigned int divisor) -@ Calculate and return the remainder of the (unsigned) division. - - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__umodsi3) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divby0) - udiv r2, r0, r1 - mls r0, r2, r1, r0 - bx lr -#else - cmp r1, #1 - bcc LOCAL_LABEL(divby0) - ITT(eq) - moveq r0, #0 - JMPc(lr, eq) - cmp r0, r1 - IT(cc) - JMPc(lr, cc) - /* - * Implement division using binary long division algorithm. - * - * r0 is the numerator, r1 the denominator. - * - * The code before JMP computes the correct shift I, so that - * r0 and (r1 << I) have the highest bit set in the same position. - * At the time of JMP, ip := .Ldiv0block - 8 * I. - * This depends on the fixed instruction size of block. - * For ARM mode, this is 8 Bytes, for THUMB mode 10 Bytes. - * - * block(shift) implements the test-and-update-quotient core. - * It assumes (r0 << shift) can be computed without overflow and - * that (r0 << shift) < 2 * r1. The quotient is stored in r3. - */ - -# ifdef __ARM_FEATURE_CLZ - clz ip, r0 - clz r3, r1 - /* r0 >= r1 implies clz(r0) <= clz(r1), so ip <= r3. */ - sub r3, r3, ip -# if defined(USE_THUMB_2) - adr ip, LOCAL_LABEL(div0block) + 1 - sub ip, ip, r3, lsl #1 -# else - adr ip, LOCAL_LABEL(div0block) -# endif - sub ip, ip, r3, lsl #3 - bx ip -# else -# if defined(USE_THUMB_2) -# error THUMB mode requires CLZ or UDIV -# endif - mov r2, r0 - adr ip, LOCAL_LABEL(div0block) - - lsr r3, r2, #16 - cmp r3, r1 - movhs r2, r3 - subhs ip, ip, #(16 * 8) - - lsr r3, r2, #8 - cmp r3, r1 - movhs r2, r3 - subhs ip, ip, #(8 * 8) - - lsr r3, r2, #4 - cmp r3, r1 - movhs r2, r3 - subhs ip, #(4 * 8) - - lsr r3, r2, #2 - cmp r3, r1 - movhs r2, r3 - subhs ip, ip, #(2 * 8) - - /* Last block, no need to update r2 or r3. */ - cmp r1, r2, lsr #1 - subls ip, ip, #(1 * 8) - - JMP(ip) -# endif - -#define IMM # - -#define block(shift) \ - cmp r0, r1, lsl IMM shift; \ - IT(hs); \ - WIDE(subhs) r0, r0, r1, lsl IMM shift - - block(31) - block(30) - block(29) - block(28) - block(27) - block(26) - block(25) - block(24) - block(23) - block(22) - block(21) - block(20) - block(19) - block(18) - block(17) - block(16) - block(15) - block(14) - block(13) - block(12) - block(11) - block(10) - block(9) - block(8) - block(7) - block(6) - block(5) - block(4) - block(3) - block(2) - block(1) -LOCAL_LABEL(div0block): - block(0) - JMP(lr) -#endif /* __ARM_ARCH_EXT_IDIV__ */ - -LOCAL_LABEL(divby0): - mov r0, #0 -#ifdef __ARM_EABI__ - b __aeabi_idiv0 -#else - JMP(lr) -#endif - -END_COMPILERRT_FUNCTION(__umodsi3) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/unorddf2vfp.S b/lib/libcompiler_rt/arm/unorddf2vfp.S deleted file mode 100644 index 6625fa8a311..00000000000 --- a/lib/libcompiler_rt/arm/unorddf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- unorddf2vfp.S - Implement unorddf2vfp ------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __unorddf2vfp(double a, double b); -// -// Returns one iff a or b is NaN -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__unorddf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f64 d0, d1 -#else - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 -#endif - vmrs apsr_nzcv, fpscr - ITE(vs) - movvs r0, #1 // set result register to 1 if "overflow" (any NaNs) - movvc r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__unorddf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/arm/unordsf2vfp.S b/lib/libcompiler_rt/arm/unordsf2vfp.S deleted file mode 100644 index 0b5da2ba3e1..00000000000 --- a/lib/libcompiler_rt/arm/unordsf2vfp.S +++ /dev/null @@ -1,37 +0,0 @@ -//===-- unordsf2vfp.S - Implement unordsf2vfp -----------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __unordsf2vfp(float a, float b); -// -// Returns one iff a or b is NaN -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__unordsf2vfp) -#if defined(COMPILER_RT_ARMHF_TARGET) - vcmp.f32 s0, s1 -#else - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 -#endif - vmrs apsr_nzcv, fpscr - ITE(vs) - movvs r0, #1 // set result register to 1 if "overflow" (any NaNs) - movvc r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__unordsf2vfp) - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/ashldi3.c b/lib/libcompiler_rt/ashldi3.c deleted file mode 100644 index a5c1836006b..00000000000 --- a/lib/libcompiler_rt/ashldi3.c +++ /dev/null @@ -1,45 +0,0 @@ -/* ====-- ashldi3.c - Implement __ashldi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ashldi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a << b */ - -/* Precondition: 0 <= b < bits_in_dword */ - -COMPILER_RT_ABI di_int -__ashldi3(di_int a, si_int b) -{ - const int bits_in_word = (int)(sizeof(si_int) * CHAR_BIT); - dwords input; - dwords result; - input.all = a; - if (b & bits_in_word) /* bits_in_word <= b < bits_in_dword */ - { - result.s.low = 0; - result.s.high = input.s.low << (b - bits_in_word); - } - else /* 0 <= b < bits_in_word */ - { - if (b == 0) - return a; - result.s.low = input.s.low << b; - result.s.high = (input.s.high << b) | (input.s.low >> (bits_in_word - b)); - } - return result.all; -} - -#if defined(__ARM_EABI__) -AEABI_RTABI di_int __aeabi_llsl(di_int a, si_int b) COMPILER_RT_ALIAS(__ashldi3); -#endif diff --git a/lib/libcompiler_rt/ashlti3.c b/lib/libcompiler_rt/ashlti3.c deleted file mode 100644 index 638ae845ff0..00000000000 --- a/lib/libcompiler_rt/ashlti3.c +++ /dev/null @@ -1,45 +0,0 @@ -/* ===-- ashlti3.c - Implement __ashlti3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ashlti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: a << b */ - -/* Precondition: 0 <= b < bits_in_tword */ - -COMPILER_RT_ABI ti_int -__ashlti3(ti_int a, si_int b) -{ - const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT); - twords input; - twords result; - input.all = a; - if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */ - { - result.s.low = 0; - result.s.high = input.s.low << (b - bits_in_dword); - } - else /* 0 <= b < bits_in_dword */ - { - if (b == 0) - return a; - result.s.low = input.s.low << b; - result.s.high = (input.s.high << b) | (input.s.low >> (bits_in_dword - b)); - } - return result.all; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/ashrdi3.c b/lib/libcompiler_rt/ashrdi3.c deleted file mode 100644 index 84619965eca..00000000000 --- a/lib/libcompiler_rt/ashrdi3.c +++ /dev/null @@ -1,46 +0,0 @@ -/*===-- ashrdi3.c - Implement __ashrdi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ashrdi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: arithmetic a >> b */ - -/* Precondition: 0 <= b < bits_in_dword */ - -COMPILER_RT_ABI di_int -__ashrdi3(di_int a, si_int b) -{ - const int bits_in_word = (int)(sizeof(si_int) * CHAR_BIT); - dwords input; - dwords result; - input.all = a; - if (b & bits_in_word) /* bits_in_word <= b < bits_in_dword */ - { - /* result.s.high = input.s.high < 0 ? -1 : 0 */ - result.s.high = input.s.high >> (bits_in_word - 1); - result.s.low = input.s.high >> (b - bits_in_word); - } - else /* 0 <= b < bits_in_word */ - { - if (b == 0) - return a; - result.s.high = input.s.high >> b; - result.s.low = (input.s.high << (bits_in_word - b)) | (input.s.low >> b); - } - return result.all; -} - -#if defined(__ARM_EABI__) -AEABI_RTABI di_int __aeabi_lasr(di_int a, si_int b) COMPILER_RT_ALIAS(__ashrdi3); -#endif diff --git a/lib/libcompiler_rt/ashrti3.c b/lib/libcompiler_rt/ashrti3.c deleted file mode 100644 index f78205d961e..00000000000 --- a/lib/libcompiler_rt/ashrti3.c +++ /dev/null @@ -1,46 +0,0 @@ -/* ===-- ashrti3.c - Implement __ashrti3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ashrti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: arithmetic a >> b */ - -/* Precondition: 0 <= b < bits_in_tword */ - -COMPILER_RT_ABI ti_int -__ashrti3(ti_int a, si_int b) -{ - const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT); - twords input; - twords result; - input.all = a; - if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */ - { - /* result.s.high = input.s.high < 0 ? -1 : 0 */ - result.s.high = input.s.high >> (bits_in_dword - 1); - result.s.low = input.s.high >> (b - bits_in_dword); - } - else /* 0 <= b < bits_in_dword */ - { - if (b == 0) - return a; - result.s.high = input.s.high >> b; - result.s.low = (input.s.high << (bits_in_dword - b)) | (input.s.low >> b); - } - return result.all; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/assembly.h b/lib/libcompiler_rt/assembly.h deleted file mode 100644 index 3f5e59b2544..00000000000 --- a/lib/libcompiler_rt/assembly.h +++ /dev/null @@ -1,204 +0,0 @@ -/* ===-- assembly.h - compiler-rt assembler support macros -----------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file defines macros for use in compiler-rt assembler source. - * This file is not part of the interface of this library. - * - * ===----------------------------------------------------------------------=== - */ - -#ifndef COMPILERRT_ASSEMBLY_H -#define COMPILERRT_ASSEMBLY_H - -#if defined(__POWERPC__) || defined(__powerpc__) || defined(__ppc__) -#define SEPARATOR @ -#else -#define SEPARATOR ; -#endif - -#if defined(__APPLE__) -#define HIDDEN(name) .private_extern name -#define LOCAL_LABEL(name) L_##name -// tell linker it can break up file at label boundaries -#define FILE_LEVEL_DIRECTIVE .subsections_via_symbols -#define SYMBOL_IS_FUNC(name) -#define CONST_SECTION .const - -#define NO_EXEC_STACK_DIRECTIVE - -#elif defined(__ELF__) - -#define HIDDEN(name) .hidden name -#define LOCAL_LABEL(name) .L_##name -#define FILE_LEVEL_DIRECTIVE -#if defined(__arm__) -#define SYMBOL_IS_FUNC(name) .type name,%function -#else -#define SYMBOL_IS_FUNC(name) .type name,@function -#endif -#define CONST_SECTION .section .rodata - -#if defined(__GNU__) || defined(__FreeBSD__) || defined(__Fuchsia__) || \ - defined(__linux__) -#define NO_EXEC_STACK_DIRECTIVE .section .note.GNU-stack,"",%progbits -#else -#define NO_EXEC_STACK_DIRECTIVE -#endif - -#else // !__APPLE__ && !__ELF__ - -#define HIDDEN(name) -#define LOCAL_LABEL(name) .L ## name -#define FILE_LEVEL_DIRECTIVE -#define SYMBOL_IS_FUNC(name) \ - .def name SEPARATOR \ - .scl 2 SEPARATOR \ - .type 32 SEPARATOR \ - .endef -#define CONST_SECTION .section .rdata,"rd" - -#define NO_EXEC_STACK_DIRECTIVE - -#endif - -#if defined(__arm__) - -/* - * Determine actual [ARM][THUMB[1][2]] ISA using compiler predefined macros: - * - for '-mthumb -march=armv6' compiler defines '__thumb__' - * - for '-mthumb -march=armv7' compiler defines '__thumb__' and '__thumb2__' - */ -#if defined(__thumb2__) || defined(__thumb__) -#define DEFINE_CODE_STATE .thumb SEPARATOR -#define DECLARE_FUNC_ENCODING .thumb_func SEPARATOR -#if defined(__thumb2__) -#define USE_THUMB_2 -#define IT(cond) it cond -#define ITT(cond) itt cond -#define ITE(cond) ite cond -#else -#define USE_THUMB_1 -#define IT(cond) -#define ITT(cond) -#define ITE(cond) -#endif // defined(__thumb__2) -#else // !defined(__thumb2__) && !defined(__thumb__) -#define DEFINE_CODE_STATE .arm SEPARATOR -#define DECLARE_FUNC_ENCODING -#define IT(cond) -#define ITT(cond) -#define ITE(cond) -#endif - -#if defined(USE_THUMB_1) && defined(USE_THUMB_2) -#error "USE_THUMB_1 and USE_THUMB_2 can't be defined together." -#endif - -#if defined(__ARM_ARCH_4T__) || __ARM_ARCH >= 5 -#define ARM_HAS_BX -#endif -#if !defined(__ARM_FEATURE_CLZ) && !defined(USE_THUMB_1) && \ - (__ARM_ARCH >= 6 || (__ARM_ARCH == 5 && !defined(__ARM_ARCH_5__))) -#define __ARM_FEATURE_CLZ -#endif - -#ifdef ARM_HAS_BX -#define JMP(r) bx r -#define JMPc(r, c) bx##c r -#else -#define JMP(r) mov pc, r -#define JMPc(r, c) mov##c pc, r -#endif - -// pop {pc} can't switch Thumb mode on ARMv4T -#if __ARM_ARCH >= 5 -#define POP_PC() pop {pc} -#else -#define POP_PC() \ - pop {ip}; \ - JMP(ip) -#endif - -#if defined(USE_THUMB_2) -#define WIDE(op) op.w -#else -#define WIDE(op) op -#endif -#else // !defined(__arm) -#define DECLARE_FUNC_ENCODING -#define DEFINE_CODE_STATE -#endif - -#define GLUE2(a, b) a##b -#define GLUE(a, b) GLUE2(a, b) -#define SYMBOL_NAME(name) GLUE(__USER_LABEL_PREFIX__, name) - -#ifdef VISIBILITY_HIDDEN -#define DECLARE_SYMBOL_VISIBILITY(name) \ - HIDDEN(SYMBOL_NAME(name)) SEPARATOR -#else -#define DECLARE_SYMBOL_VISIBILITY(name) -#endif - -#define DEFINE_COMPILERRT_FUNCTION(name) \ - DEFINE_CODE_STATE \ - FILE_LEVEL_DIRECTIVE SEPARATOR \ - .globl SYMBOL_NAME(name) SEPARATOR \ - SYMBOL_IS_FUNC(SYMBOL_NAME(name)) SEPARATOR \ - DECLARE_SYMBOL_VISIBILITY(name) \ - DECLARE_FUNC_ENCODING \ - SYMBOL_NAME(name): - -#define DEFINE_COMPILERRT_THUMB_FUNCTION(name) \ - DEFINE_CODE_STATE \ - FILE_LEVEL_DIRECTIVE SEPARATOR \ - .globl SYMBOL_NAME(name) SEPARATOR \ - SYMBOL_IS_FUNC(SYMBOL_NAME(name)) SEPARATOR \ - DECLARE_SYMBOL_VISIBILITY(name) SEPARATOR \ - .thumb_func SEPARATOR \ - SYMBOL_NAME(name): - -#define DEFINE_COMPILERRT_PRIVATE_FUNCTION(name) \ - DEFINE_CODE_STATE \ - FILE_LEVEL_DIRECTIVE SEPARATOR \ - .globl SYMBOL_NAME(name) SEPARATOR \ - SYMBOL_IS_FUNC(SYMBOL_NAME(name)) SEPARATOR \ - HIDDEN(SYMBOL_NAME(name)) SEPARATOR \ - DECLARE_FUNC_ENCODING \ - SYMBOL_NAME(name): - -#define DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(name) \ - DEFINE_CODE_STATE \ - .globl name SEPARATOR \ - SYMBOL_IS_FUNC(name) SEPARATOR \ - HIDDEN(name) SEPARATOR \ - DECLARE_FUNC_ENCODING \ - name: - -#define DEFINE_COMPILERRT_FUNCTION_ALIAS(name, target) \ - .globl SYMBOL_NAME(name) SEPARATOR \ - SYMBOL_IS_FUNC(SYMBOL_NAME(name)) SEPARATOR \ - DECLARE_SYMBOL_VISIBILITY(SYMBOL_NAME(name)) SEPARATOR \ - .set SYMBOL_NAME(name), SYMBOL_NAME(target) SEPARATOR - -#if defined(__ARM_EABI__) -#define DEFINE_AEABI_FUNCTION_ALIAS(aeabi_name, name) \ - DEFINE_COMPILERRT_FUNCTION_ALIAS(aeabi_name, name) -#else -#define DEFINE_AEABI_FUNCTION_ALIAS(aeabi_name, name) -#endif - -#ifdef __ELF__ -#define END_COMPILERRT_FUNCTION(name) \ - .size SYMBOL_NAME(name), . - SYMBOL_NAME(name) -#else -#define END_COMPILERRT_FUNCTION(name) -#endif - -#endif /* COMPILERRT_ASSEMBLY_H */ diff --git a/lib/libcompiler_rt/atomic.c b/lib/libcompiler_rt/atomic.c deleted file mode 100644 index ee35e342eda..00000000000 --- a/lib/libcompiler_rt/atomic.c +++ /dev/null @@ -1,338 +0,0 @@ -/*===-- atomic.c - Implement support functions for atomic operations.------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------=== - * - * atomic.c defines a set of functions for performing atomic accesses on - * arbitrary-sized memory locations. This design uses locks that should - * be fast in the uncontended case, for two reasons: - * - * 1) This code must work with C programs that do not link to anything - * (including pthreads) and so it should not depend on any pthread - * functions. - * 2) Atomic operations, rather than explicit mutexes, are most commonly used - * on code where contended operations are rate. - * - * To avoid needing a per-object lock, this code allocates an array of - * locks and hashes the object pointers to find the one that it should use. - * For operations that must be atomic on two locations, the lower lock is - * always acquired first, to avoid deadlock. - * - *===----------------------------------------------------------------------=== - */ - -#include <stdint.h> -#include <string.h> - -#include "assembly.h" - -// Clang objects if you redefine a builtin. This little hack allows us to -// define a function with the same name as an intrinsic. -#pragma redefine_extname __atomic_load_c SYMBOL_NAME(__atomic_load) -#pragma redefine_extname __atomic_store_c SYMBOL_NAME(__atomic_store) -#pragma redefine_extname __atomic_exchange_c SYMBOL_NAME(__atomic_exchange) -#pragma redefine_extname __atomic_compare_exchange_c SYMBOL_NAME(__atomic_compare_exchange) - -/// Number of locks. This allocates one page on 32-bit platforms, two on -/// 64-bit. This can be specified externally if a different trade between -/// memory usage and contention probability is required for a given platform. -#ifndef SPINLOCK_COUNT -#define SPINLOCK_COUNT (1<<10) -#endif -static const long SPINLOCK_MASK = SPINLOCK_COUNT - 1; - -//////////////////////////////////////////////////////////////////////////////// -// Platform-specific lock implementation. Falls back to spinlocks if none is -// defined. Each platform should define the Lock type, and corresponding -// lock() and unlock() functions. -//////////////////////////////////////////////////////////////////////////////// -#ifdef __FreeBSD__ -#include <errno.h> -#include <sys/types.h> -#include <machine/atomic.h> -#include <sys/umtx.h> -typedef struct _usem Lock; -__inline static void unlock(Lock *l) { - __c11_atomic_store((_Atomic(uint32_t)*)&l->_count, 1, __ATOMIC_RELEASE); - __c11_atomic_thread_fence(__ATOMIC_SEQ_CST); - if (l->_has_waiters) - _umtx_op(l, UMTX_OP_SEM_WAKE, 1, 0, 0); -} -__inline static void lock(Lock *l) { - uint32_t old = 1; - while (!__c11_atomic_compare_exchange_weak((_Atomic(uint32_t)*)&l->_count, &old, - 0, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) { - _umtx_op(l, UMTX_OP_SEM_WAIT, 0, 0, 0); - old = 1; - } -} -/// locks for atomic operations -static Lock locks[SPINLOCK_COUNT] = { [0 ... SPINLOCK_COUNT-1] = {0,1,0} }; - -#elif defined(__APPLE__) -#include <libkern/OSAtomic.h> -typedef OSSpinLock Lock; -__inline static void unlock(Lock *l) { - OSSpinLockUnlock(l); -} -/// Locks a lock. In the current implementation, this is potentially -/// unbounded in the contended case. -__inline static void lock(Lock *l) { - OSSpinLockLock(l); -} -static Lock locks[SPINLOCK_COUNT]; // initialized to OS_SPINLOCK_INIT which is 0 - -#else -typedef _Atomic(uintptr_t) Lock; -/// Unlock a lock. This is a release operation. -__inline static void unlock(Lock *l) { - __c11_atomic_store(l, 0, __ATOMIC_RELEASE); -} -/// Locks a lock. In the current implementation, this is potentially -/// unbounded in the contended case. -__inline static void lock(Lock *l) { - uintptr_t old = 0; - while (!__c11_atomic_compare_exchange_weak(l, &old, 1, __ATOMIC_ACQUIRE, - __ATOMIC_RELAXED)) - old = 0; -} -/// locks for atomic operations -static Lock locks[SPINLOCK_COUNT]; -#endif - - -/// Returns a lock to use for a given pointer. -static __inline Lock *lock_for_pointer(void *ptr) { - intptr_t hash = (intptr_t)ptr; - // Disregard the lowest 4 bits. We want all values that may be part of the - // same memory operation to hash to the same value and therefore use the same - // lock. - hash >>= 4; - // Use the next bits as the basis for the hash - intptr_t low = hash & SPINLOCK_MASK; - // Now use the high(er) set of bits to perturb the hash, so that we don't - // get collisions from atomic fields in a single object - hash >>= 16; - hash ^= low; - // Return a pointer to the word to use - return locks + (hash & SPINLOCK_MASK); -} - -/// Macros for determining whether a size is lock free. Clang can not yet -/// codegen __atomic_is_lock_free(16), so for now we assume 16-byte values are -/// not lock free. -#define IS_LOCK_FREE_1 __c11_atomic_is_lock_free(1) -#define IS_LOCK_FREE_2 __c11_atomic_is_lock_free(2) -#define IS_LOCK_FREE_4 __c11_atomic_is_lock_free(4) -#define IS_LOCK_FREE_8 __c11_atomic_is_lock_free(8) -#define IS_LOCK_FREE_16 0 - -/// Macro that calls the compiler-generated lock-free versions of functions -/// when they exist. -#define LOCK_FREE_CASES() \ - do {\ - switch (size) {\ - case 2:\ - if (IS_LOCK_FREE_2) {\ - LOCK_FREE_ACTION(uint16_t);\ - }\ - case 4:\ - if (IS_LOCK_FREE_4) {\ - LOCK_FREE_ACTION(uint32_t);\ - }\ - case 8:\ - if (IS_LOCK_FREE_8) {\ - LOCK_FREE_ACTION(uint64_t);\ - }\ - case 16:\ - if (IS_LOCK_FREE_16) {\ - /* FIXME: __uint128_t isn't available on 32 bit platforms. - LOCK_FREE_ACTION(__uint128_t);*/\ - }\ - }\ - } while (0) - - -/// An atomic load operation. This is atomic with respect to the source -/// pointer only. -void __atomic_load_c(int size, void *src, void *dest, int model) { -#define LOCK_FREE_ACTION(type) \ - *((type*)dest) = __c11_atomic_load((_Atomic(type)*)src, model);\ - return; - LOCK_FREE_CASES(); -#undef LOCK_FREE_ACTION - Lock *l = lock_for_pointer(src); - lock(l); - memcpy(dest, src, size); - unlock(l); -} - -/// An atomic store operation. This is atomic with respect to the destination -/// pointer only. -void __atomic_store_c(int size, void *dest, void *src, int model) { -#define LOCK_FREE_ACTION(type) \ - __c11_atomic_store((_Atomic(type)*)dest, *(type*)dest, model);\ - return; - LOCK_FREE_CASES(); -#undef LOCK_FREE_ACTION - Lock *l = lock_for_pointer(dest); - lock(l); - memcpy(dest, src, size); - unlock(l); -} - -/// Atomic compare and exchange operation. If the value at *ptr is identical -/// to the value at *expected, then this copies value at *desired to *ptr. If -/// they are not, then this stores the current value from *ptr in *expected. -/// -/// This function returns 1 if the exchange takes place or 0 if it fails. -int __atomic_compare_exchange_c(int size, void *ptr, void *expected, - void *desired, int success, int failure) { -#define LOCK_FREE_ACTION(type) \ - return __c11_atomic_compare_exchange_strong((_Atomic(type)*)ptr, (type*)expected,\ - *(type*)desired, success, failure) - LOCK_FREE_CASES(); -#undef LOCK_FREE_ACTION - Lock *l = lock_for_pointer(ptr); - lock(l); - if (memcmp(ptr, expected, size) == 0) { - memcpy(ptr, desired, size); - unlock(l); - return 1; - } - memcpy(expected, ptr, size); - unlock(l); - return 0; -} - -/// Performs an atomic exchange operation between two pointers. This is atomic -/// with respect to the target address. -void __atomic_exchange_c(int size, void *ptr, void *val, void *old, int model) { -#define LOCK_FREE_ACTION(type) \ - *(type*)old = __c11_atomic_exchange((_Atomic(type)*)ptr, *(type*)val,\ - model);\ - return; - LOCK_FREE_CASES(); -#undef LOCK_FREE_ACTION - Lock *l = lock_for_pointer(ptr); - lock(l); - memcpy(old, ptr, size); - memcpy(ptr, val, size); - unlock(l); -} - -//////////////////////////////////////////////////////////////////////////////// -// Where the size is known at compile time, the compiler may emit calls to -// specialised versions of the above functions. -//////////////////////////////////////////////////////////////////////////////// -#ifdef __SIZEOF_INT128__ -#define OPTIMISED_CASES\ - OPTIMISED_CASE(1, IS_LOCK_FREE_1, uint8_t)\ - OPTIMISED_CASE(2, IS_LOCK_FREE_2, uint16_t)\ - OPTIMISED_CASE(4, IS_LOCK_FREE_4, uint32_t)\ - OPTIMISED_CASE(8, IS_LOCK_FREE_8, uint64_t)\ - OPTIMISED_CASE(16, IS_LOCK_FREE_16, __uint128_t) -#else -#define OPTIMISED_CASES\ - OPTIMISED_CASE(1, IS_LOCK_FREE_1, uint8_t)\ - OPTIMISED_CASE(2, IS_LOCK_FREE_2, uint16_t)\ - OPTIMISED_CASE(4, IS_LOCK_FREE_4, uint32_t)\ - OPTIMISED_CASE(8, IS_LOCK_FREE_8, uint64_t) -#endif - -#define OPTIMISED_CASE(n, lockfree, type)\ -type __atomic_load_##n(type *src, int model) {\ - if (lockfree)\ - return __c11_atomic_load((_Atomic(type)*)src, model);\ - Lock *l = lock_for_pointer(src);\ - lock(l);\ - type val = *src;\ - unlock(l);\ - return val;\ -} -OPTIMISED_CASES -#undef OPTIMISED_CASE - -#define OPTIMISED_CASE(n, lockfree, type)\ -void __atomic_store_##n(type *dest, type val, int model) {\ - if (lockfree) {\ - __c11_atomic_store((_Atomic(type)*)dest, val, model);\ - return;\ - }\ - Lock *l = lock_for_pointer(dest);\ - lock(l);\ - *dest = val;\ - unlock(l);\ - return;\ -} -OPTIMISED_CASES -#undef OPTIMISED_CASE - -#define OPTIMISED_CASE(n, lockfree, type)\ -type __atomic_exchange_##n(type *dest, type val, int model) {\ - if (lockfree)\ - return __c11_atomic_exchange((_Atomic(type)*)dest, val, model);\ - Lock *l = lock_for_pointer(dest);\ - lock(l);\ - type tmp = *dest;\ - *dest = val;\ - unlock(l);\ - return tmp;\ -} -OPTIMISED_CASES -#undef OPTIMISED_CASE - -#define OPTIMISED_CASE(n, lockfree, type)\ -int __atomic_compare_exchange_##n(type *ptr, type *expected, type desired,\ - int success, int failure) {\ - if (lockfree)\ - return __c11_atomic_compare_exchange_strong((_Atomic(type)*)ptr, expected, desired,\ - success, failure);\ - Lock *l = lock_for_pointer(ptr);\ - lock(l);\ - if (*ptr == *expected) {\ - *ptr = desired;\ - unlock(l);\ - return 1;\ - }\ - *expected = *ptr;\ - unlock(l);\ - return 0;\ -} -OPTIMISED_CASES -#undef OPTIMISED_CASE - -//////////////////////////////////////////////////////////////////////////////// -// Atomic read-modify-write operations for integers of various sizes. -//////////////////////////////////////////////////////////////////////////////// -#define ATOMIC_RMW(n, lockfree, type, opname, op) \ -type __atomic_fetch_##opname##_##n(type *ptr, type val, int model) {\ - if (lockfree) \ - return __c11_atomic_fetch_##opname((_Atomic(type)*)ptr, val, model);\ - Lock *l = lock_for_pointer(ptr);\ - lock(l);\ - type tmp = *ptr;\ - *ptr = tmp op val;\ - unlock(l);\ - return tmp;\ -} - -#define OPTIMISED_CASE(n, lockfree, type) ATOMIC_RMW(n, lockfree, type, add, +) -OPTIMISED_CASES -#undef OPTIMISED_CASE -#define OPTIMISED_CASE(n, lockfree, type) ATOMIC_RMW(n, lockfree, type, sub, -) -OPTIMISED_CASES -#undef OPTIMISED_CASE -#define OPTIMISED_CASE(n, lockfree, type) ATOMIC_RMW(n, lockfree, type, and, &) -OPTIMISED_CASES -#undef OPTIMISED_CASE -#define OPTIMISED_CASE(n, lockfree, type) ATOMIC_RMW(n, lockfree, type, or, |) -OPTIMISED_CASES -#undef OPTIMISED_CASE -#define OPTIMISED_CASE(n, lockfree, type) ATOMIC_RMW(n, lockfree, type, xor, ^) -OPTIMISED_CASES -#undef OPTIMISED_CASE diff --git a/lib/libcompiler_rt/atomic_flag_clear.c b/lib/libcompiler_rt/atomic_flag_clear.c deleted file mode 100644 index da912af6431..00000000000 --- a/lib/libcompiler_rt/atomic_flag_clear.c +++ /dev/null @@ -1,27 +0,0 @@ -/*===-- atomic_flag_clear.c -------------------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===------------------------------------------------------------------------=== - * - * This file implements atomic_flag_clear from C11's stdatomic.h. - * - *===------------------------------------------------------------------------=== - */ - -#ifndef __has_include -#define __has_include(inc) 0 -#endif - -#if __has_include(<stdatomic.h>) - -#include <stdatomic.h> -#undef atomic_flag_clear -void atomic_flag_clear(volatile atomic_flag *object) { - __c11_atomic_store(&(object)->_Value, 0, __ATOMIC_SEQ_CST); -} - -#endif diff --git a/lib/libcompiler_rt/atomic_flag_clear_explicit.c b/lib/libcompiler_rt/atomic_flag_clear_explicit.c deleted file mode 100644 index 1059b787f16..00000000000 --- a/lib/libcompiler_rt/atomic_flag_clear_explicit.c +++ /dev/null @@ -1,28 +0,0 @@ -/*===-- atomic_flag_clear_explicit.c ----------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===------------------------------------------------------------------------=== - * - * This file implements atomic_flag_clear_explicit from C11's stdatomic.h. - * - *===------------------------------------------------------------------------=== - */ - -#ifndef __has_include -#define __has_include(inc) 0 -#endif - -#if __has_include(<stdatomic.h>) - -#include <stdatomic.h> -#undef atomic_flag_clear_explicit -void atomic_flag_clear_explicit(volatile atomic_flag *object, - memory_order order) { - __c11_atomic_store(&(object)->_Value, 0, order); -} - -#endif diff --git a/lib/libcompiler_rt/atomic_flag_test_and_set.c b/lib/libcompiler_rt/atomic_flag_test_and_set.c deleted file mode 100644 index e8811d39ef2..00000000000 --- a/lib/libcompiler_rt/atomic_flag_test_and_set.c +++ /dev/null @@ -1,27 +0,0 @@ -/*===-- atomic_flag_test_and_set.c ------------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===------------------------------------------------------------------------=== - * - * This file implements atomic_flag_test_and_set from C11's stdatomic.h. - * - *===------------------------------------------------------------------------=== - */ - -#ifndef __has_include -#define __has_include(inc) 0 -#endif - -#if __has_include(<stdatomic.h>) - -#include <stdatomic.h> -#undef atomic_flag_test_and_set -_Bool atomic_flag_test_and_set(volatile atomic_flag *object) { - return __c11_atomic_exchange(&(object)->_Value, 1, __ATOMIC_SEQ_CST); -} - -#endif diff --git a/lib/libcompiler_rt/atomic_flag_test_and_set_explicit.c b/lib/libcompiler_rt/atomic_flag_test_and_set_explicit.c deleted file mode 100644 index 5c8c2df9054..00000000000 --- a/lib/libcompiler_rt/atomic_flag_test_and_set_explicit.c +++ /dev/null @@ -1,28 +0,0 @@ -/*===-- atomic_flag_test_and_set_explicit.c ---------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===------------------------------------------------------------------------=== - * - * This file implements atomic_flag_test_and_set_explicit from C11's stdatomic.h - * - *===------------------------------------------------------------------------=== - */ - -#ifndef __has_include -#define __has_include(inc) 0 -#endif - -#if __has_include(<stdatomic.h>) - -#include <stdatomic.h> -#undef atomic_flag_test_and_set_explicit -_Bool atomic_flag_test_and_set_explicit(volatile atomic_flag *object, - memory_order order) { - return __c11_atomic_exchange(&(object)->_Value, 1, order); -} - -#endif diff --git a/lib/libcompiler_rt/atomic_signal_fence.c b/lib/libcompiler_rt/atomic_signal_fence.c deleted file mode 100644 index 9ccc2ae60ad..00000000000 --- a/lib/libcompiler_rt/atomic_signal_fence.c +++ /dev/null @@ -1,27 +0,0 @@ -/*===-- atomic_signal_fence.c -----------------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===------------------------------------------------------------------------=== - * - * This file implements atomic_signal_fence from C11's stdatomic.h. - * - *===------------------------------------------------------------------------=== - */ - -#ifndef __has_include -#define __has_include(inc) 0 -#endif - -#if __has_include(<stdatomic.h>) - -#include <stdatomic.h> -#undef atomic_signal_fence -void atomic_signal_fence(memory_order order) { - __c11_atomic_signal_fence(order); -} - -#endif diff --git a/lib/libcompiler_rt/atomic_thread_fence.c b/lib/libcompiler_rt/atomic_thread_fence.c deleted file mode 100644 index d22560151bc..00000000000 --- a/lib/libcompiler_rt/atomic_thread_fence.c +++ /dev/null @@ -1,27 +0,0 @@ -/*===-- atomic_thread_fence.c -----------------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===------------------------------------------------------------------------=== - * - * This file implements atomic_thread_fence from C11's stdatomic.h. - * - *===------------------------------------------------------------------------=== - */ - -#ifndef __has_include -#define __has_include(inc) 0 -#endif - -#if __has_include(<stdatomic.h>) - -#include <stdatomic.h> -#undef atomic_thread_fence -void atomic_thread_fence(memory_order order) { - __c11_atomic_thread_fence(order); -} - -#endif diff --git a/lib/libcompiler_rt/bswapdi2.c b/lib/libcompiler_rt/bswapdi2.c deleted file mode 100644 index eb220007bb1..00000000000 --- a/lib/libcompiler_rt/bswapdi2.c +++ /dev/null @@ -1,27 +0,0 @@ -/* ===-- bswapdi2.c - Implement __bswapdi2 ---------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __bswapdi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -COMPILER_RT_ABI uint64_t __bswapdi2(uint64_t u) { - return ( - (((u)&0xff00000000000000ULL) >> 56) | - (((u)&0x00ff000000000000ULL) >> 40) | - (((u)&0x0000ff0000000000ULL) >> 24) | - (((u)&0x000000ff00000000ULL) >> 8) | - (((u)&0x00000000ff000000ULL) << 8) | - (((u)&0x0000000000ff0000ULL) << 24) | - (((u)&0x000000000000ff00ULL) << 40) | - (((u)&0x00000000000000ffULL) << 56)); -} diff --git a/lib/libcompiler_rt/bswapsi2.c b/lib/libcompiler_rt/bswapsi2.c deleted file mode 100644 index 5d941e69f7c..00000000000 --- a/lib/libcompiler_rt/bswapsi2.c +++ /dev/null @@ -1,23 +0,0 @@ -/* ===-- bswapsi2.c - Implement __bswapsi2 ---------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __bswapsi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -COMPILER_RT_ABI uint32_t __bswapsi2(uint32_t u) { - return ( - (((u)&0xff000000) >> 24) | - (((u)&0x00ff0000) >> 8) | - (((u)&0x0000ff00) << 8) | - (((u)&0x000000ff) << 24)); -} diff --git a/lib/libcompiler_rt/clear_cache.c b/lib/libcompiler_rt/clear_cache.c deleted file mode 100644 index e6bd170df38..00000000000 --- a/lib/libcompiler_rt/clear_cache.c +++ /dev/null @@ -1,199 +0,0 @@ -/* ===-- clear_cache.c - Implement __clear_cache ---------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" -#include <assert.h> -#include <stddef.h> - -#if __APPLE__ - #include <libkern/OSCacheControl.h> -#endif - -#if defined(_WIN32) -/* Forward declare Win32 APIs since the GCC mode driver does not handle the - newer SDKs as well as needed. */ -uint32_t FlushInstructionCache(uintptr_t hProcess, void *lpBaseAddress, - uintptr_t dwSize); -uintptr_t GetCurrentProcess(void); -#endif - -#if defined(__FreeBSD__) && defined(__arm__) - #include <sys/types.h> - #include <machine/sysarch.h> -#endif - -#if defined(__NetBSD__) && defined(__arm__) - #include <machine/sysarch.h> -#endif - -#if defined(__OpenBSD__) && (defined(__arm__) || defined(__mips__)) - #include <sys/types.h> - #include <machine/sysarch.h> -#endif - -#if defined(__linux__) && defined(__mips__) - #include <sys/cachectl.h> - #include <sys/syscall.h> - #include <unistd.h> - #if defined(__ANDROID__) && defined(__LP64__) - /* - * clear_mips_cache - Invalidates instruction cache for Mips. - */ - static void clear_mips_cache(const void* Addr, size_t Size) { - __asm__ volatile ( - ".set push\n" - ".set noreorder\n" - ".set noat\n" - "beq %[Size], $zero, 20f\n" /* If size == 0, branch around. */ - "nop\n" - "daddu %[Size], %[Addr], %[Size]\n" /* Calculate end address + 1 */ - "rdhwr $v0, $1\n" /* Get step size for SYNCI. - $1 is $HW_SYNCI_Step */ - "beq $v0, $zero, 20f\n" /* If no caches require - synchronization, branch - around. */ - "nop\n" - "10:\n" - "synci 0(%[Addr])\n" /* Synchronize all caches around - address. */ - "daddu %[Addr], %[Addr], $v0\n" /* Add step size. */ - "sltu $at, %[Addr], %[Size]\n" /* Compare current with end - address. */ - "bne $at, $zero, 10b\n" /* Branch if more to do. */ - "nop\n" - "sync\n" /* Clear memory hazards. */ - "20:\n" - "bal 30f\n" - "nop\n" - "30:\n" - "daddiu $ra, $ra, 12\n" /* $ra has a value of $pc here. - Add offset of 12 to point to the - instruction after the last nop. - */ - "jr.hb $ra\n" /* Return, clearing instruction - hazards. */ - "nop\n" - ".set pop\n" - : [Addr] "+r"(Addr), [Size] "+r"(Size) - :: "at", "ra", "v0", "memory" - ); - } - #endif -#endif - -/* - * The compiler generates calls to __clear_cache() when creating - * trampoline functions on the stack for use with nested functions. - * It is expected to invalidate the instruction cache for the - * specified range. - */ - -void __clear_cache(void *start, void *end) { -#if __i386__ || __x86_64__ || defined(_M_IX86) || defined(_M_X64) -/* - * Intel processors have a unified instruction and data cache - * so there is nothing to do - */ -#elif defined(_WIN32) && (defined(__arm__) || defined(__aarch64__)) - FlushInstructionCache(GetCurrentProcess(), start, end - start); -#elif defined(__arm__) && !defined(__APPLE__) - #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) - struct arm_sync_icache_args arg; - - arg.addr = (uintptr_t)start; - arg.len = (uintptr_t)end - (uintptr_t)start; - - sysarch(ARM_SYNC_ICACHE, &arg); - #elif defined(__linux__) - /* - * We used to include asm/unistd.h for the __ARM_NR_cacheflush define, but - * it also brought many other unused defines, as well as a dependency on - * kernel headers to be installed. - * - * This value is stable at least since Linux 3.13 and should remain so for - * compatibility reasons, warranting it's re-definition here. - */ - #define __ARM_NR_cacheflush 0x0f0002 - register int start_reg __asm("r0") = (int) (intptr_t) start; - const register int end_reg __asm("r1") = (int) (intptr_t) end; - const register int flags __asm("r2") = 0; - const register int syscall_nr __asm("r7") = __ARM_NR_cacheflush; - __asm __volatile("svc 0x0" - : "=r"(start_reg) - : "r"(syscall_nr), "r"(start_reg), "r"(end_reg), - "r"(flags)); - assert(start_reg == 0 && "Cache flush syscall failed."); - #else - compilerrt_abort(); - #endif -#elif defined(__linux__) && defined(__mips__) - const uintptr_t start_int = (uintptr_t) start; - const uintptr_t end_int = (uintptr_t) end; - #if defined(__ANDROID__) && defined(__LP64__) - // Call synci implementation for short address range. - const uintptr_t address_range_limit = 256; - if ((end_int - start_int) <= address_range_limit) { - clear_mips_cache(start, (end_int - start_int)); - } else { - syscall(__NR_cacheflush, start, (end_int - start_int), BCACHE); - } - #else - syscall(__NR_cacheflush, start, (end_int - start_int), BCACHE); - #endif -#elif defined(__mips__) && defined(__OpenBSD__) - cacheflush(start, (uintptr_t)end - (uintptr_t)start, BCACHE); -#elif defined(__aarch64__) && !defined(__APPLE__) - uint64_t xstart = (uint64_t)(uintptr_t) start; - uint64_t xend = (uint64_t)(uintptr_t) end; - uint64_t addr; - - // Get Cache Type Info - uint64_t ctr_el0; - __asm __volatile("mrs %0, ctr_el0" : "=r"(ctr_el0)); - - /* - * dc & ic instructions must use 64bit registers so we don't use - * uintptr_t in case this runs in an IPL32 environment. - */ - const size_t dcache_line_size = 4 << ((ctr_el0 >> 16) & 15); - for (addr = xstart & ~(dcache_line_size - 1); addr < xend; - addr += dcache_line_size) - __asm __volatile("dc cvau, %0" :: "r"(addr)); - __asm __volatile("dsb ish"); - - const size_t icache_line_size = 4 << ((ctr_el0 >> 0) & 15); - for (addr = xstart & ~(icache_line_size - 1); addr < xend; - addr += icache_line_size) - __asm __volatile("ic ivau, %0" :: "r"(addr)); - __asm __volatile("isb sy"); -#elif defined (__powerpc64__) - const size_t line_size = 32; - const size_t len = (uintptr_t)end - (uintptr_t)start; - - const uintptr_t mask = ~(line_size - 1); - const uintptr_t start_line = ((uintptr_t)start) & mask; - const uintptr_t end_line = ((uintptr_t)start + len + line_size - 1) & mask; - - for (uintptr_t line = start_line; line < end_line; line += line_size) - __asm__ volatile("dcbf 0, %0" : : "r"(line)); - __asm__ volatile("sync"); - - for (uintptr_t line = start_line; line < end_line; line += line_size) - __asm__ volatile("icbi 0, %0" : : "r"(line)); - __asm__ volatile("isync"); -#else - #if __APPLE__ - /* On Darwin, sys_icache_invalidate() provides this functionality */ - sys_icache_invalidate(start, end-start); - #else - compilerrt_abort(); - #endif -#endif -} diff --git a/lib/libcompiler_rt/clzdi2.c b/lib/libcompiler_rt/clzdi2.c deleted file mode 100644 index 1819e6be436..00000000000 --- a/lib/libcompiler_rt/clzdi2.c +++ /dev/null @@ -1,40 +0,0 @@ -/* ===-- clzdi2.c - Implement __clzdi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __clzdi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: the number of leading 0-bits */ - -#if !defined(__clang__) && \ - ((defined(__sparc__) && defined(__arch64__)) || \ - defined(__mips64) || \ - (defined(__riscv) && __SIZEOF_POINTER__ >= 8)) -/* On 64-bit architectures with neither a native clz instruction nor a native - * ctz instruction, gcc resolves __builtin_clz to __clzdi2 rather than - * __clzsi2, leading to infinite recursion. */ -#define __builtin_clz(a) __clzsi2(a) -extern si_int __clzsi2(si_int); -#endif - -/* Precondition: a != 0 */ - -COMPILER_RT_ABI si_int -__clzdi2(di_int a) -{ - dwords x; - x.all = a; - const si_int f = -(x.s.high == 0); - return __builtin_clz((x.s.high & ~f) | (x.s.low & f)) + - (f & ((si_int)(sizeof(si_int) * CHAR_BIT))); -} diff --git a/lib/libcompiler_rt/clzsi2.c b/lib/libcompiler_rt/clzsi2.c deleted file mode 100644 index 25b8ed2c4c2..00000000000 --- a/lib/libcompiler_rt/clzsi2.c +++ /dev/null @@ -1,53 +0,0 @@ -/* ===-- clzsi2.c - Implement __clzsi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __clzsi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: the number of leading 0-bits */ - -/* Precondition: a != 0 */ - -COMPILER_RT_ABI si_int -__clzsi2(si_int a) -{ - su_int x = (su_int)a; - si_int t = ((x & 0xFFFF0000) == 0) << 4; /* if (x is small) t = 16 else 0 */ - x >>= 16 - t; /* x = [0 - 0xFFFF] */ - su_int r = t; /* r = [0, 16] */ - /* return r + clz(x) */ - t = ((x & 0xFF00) == 0) << 3; - x >>= 8 - t; /* x = [0 - 0xFF] */ - r += t; /* r = [0, 8, 16, 24] */ - /* return r + clz(x) */ - t = ((x & 0xF0) == 0) << 2; - x >>= 4 - t; /* x = [0 - 0xF] */ - r += t; /* r = [0, 4, 8, 12, 16, 20, 24, 28] */ - /* return r + clz(x) */ - t = ((x & 0xC) == 0) << 1; - x >>= 2 - t; /* x = [0 - 3] */ - r += t; /* r = [0 - 30] and is even */ - /* return r + clz(x) */ -/* switch (x) - * { - * case 0: - * return r + 2; - * case 1: - * return r + 1; - * case 2: - * case 3: - * return r; - * } - */ - return r + ((2 - x) & -((x & 2) == 0)); -} diff --git a/lib/libcompiler_rt/clzti2.c b/lib/libcompiler_rt/clzti2.c deleted file mode 100644 index 15a7b3c9000..00000000000 --- a/lib/libcompiler_rt/clzti2.c +++ /dev/null @@ -1,33 +0,0 @@ -/* ===-- clzti2.c - Implement __clzti2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __clzti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: the number of leading 0-bits */ - -/* Precondition: a != 0 */ - -COMPILER_RT_ABI si_int -__clzti2(ti_int a) -{ - twords x; - x.all = a; - const di_int f = -(x.s.high == 0); - return __builtin_clzll((x.s.high & ~f) | (x.s.low & f)) + - ((si_int)f & ((si_int)(sizeof(di_int) * CHAR_BIT))); -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/cmpdi2.c b/lib/libcompiler_rt/cmpdi2.c deleted file mode 100644 index 52634d9c336..00000000000 --- a/lib/libcompiler_rt/cmpdi2.c +++ /dev/null @@ -1,51 +0,0 @@ -/* ===-- cmpdi2.c - Implement __cmpdi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __cmpdi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: if (a < b) returns 0 -* if (a == b) returns 1 -* if (a > b) returns 2 -*/ - -COMPILER_RT_ABI si_int -__cmpdi2(di_int a, di_int b) -{ - dwords x; - x.all = a; - dwords y; - y.all = b; - if (x.s.high < y.s.high) - return 0; - if (x.s.high > y.s.high) - return 2; - if (x.s.low < y.s.low) - return 0; - if (x.s.low > y.s.low) - return 2; - return 1; -} - -#ifdef __ARM_EABI__ -/* Returns: if (a < b) returns -1 -* if (a == b) returns 0 -* if (a > b) returns 1 -*/ -COMPILER_RT_ABI si_int -__aeabi_lcmp(di_int a, di_int b) -{ - return __cmpdi2(a, b) - 1; -} -#endif - diff --git a/lib/libcompiler_rt/cmpti2.c b/lib/libcompiler_rt/cmpti2.c deleted file mode 100644 index 2c8b56e29a0..00000000000 --- a/lib/libcompiler_rt/cmpti2.c +++ /dev/null @@ -1,42 +0,0 @@ -/* ===-- cmpti2.c - Implement __cmpti2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __cmpti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: if (a < b) returns 0 - * if (a == b) returns 1 - * if (a > b) returns 2 - */ - -COMPILER_RT_ABI si_int -__cmpti2(ti_int a, ti_int b) -{ - twords x; - x.all = a; - twords y; - y.all = b; - if (x.s.high < y.s.high) - return 0; - if (x.s.high > y.s.high) - return 2; - if (x.s.low < y.s.low) - return 0; - if (x.s.low > y.s.low) - return 2; - return 1; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/comparedf2.c b/lib/libcompiler_rt/comparedf2.c deleted file mode 100644 index 44e5d2b288a..00000000000 --- a/lib/libcompiler_rt/comparedf2.c +++ /dev/null @@ -1,153 +0,0 @@ -//===-- lib/comparedf2.c - Double-precision comparisons -----------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// // This file implements the following soft-float comparison routines: -// -// __eqdf2 __gedf2 __unorddf2 -// __ledf2 __gtdf2 -// __ltdf2 -// __nedf2 -// -// The semantics of the routines grouped in each column are identical, so there -// is a single implementation for each, and wrappers to provide the other names. -// -// The main routines behave as follows: -// -// __ledf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// 1 if either a or b is NaN -// -// __gedf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// -1 if either a or b is NaN -// -// __unorddf2(a,b) returns 0 if both a and b are numbers -// 1 if either a or b is NaN -// -// Note that __ledf2( ) and __gedf2( ) are identical except in their handling of -// NaN values. -// -//===----------------------------------------------------------------------===// - -#define DOUBLE_PRECISION -#include "fp_lib.h" - -enum LE_RESULT { - LE_LESS = -1, - LE_EQUAL = 0, - LE_GREATER = 1, - LE_UNORDERED = 1 -}; - -COMPILER_RT_ABI enum LE_RESULT -__ledf2(fp_t a, fp_t b) { - - const srep_t aInt = toRep(a); - const srep_t bInt = toRep(b); - const rep_t aAbs = aInt & absMask; - const rep_t bAbs = bInt & absMask; - - // If either a or b is NaN, they are unordered. - if (aAbs > infRep || bAbs > infRep) return LE_UNORDERED; - - // If a and b are both zeros, they are equal. - if ((aAbs | bAbs) == 0) return LE_EQUAL; - - // If at least one of a and b is positive, we get the same result comparing - // a and b as signed integers as we would with a floating-point compare. - if ((aInt & bInt) >= 0) { - if (aInt < bInt) return LE_LESS; - else if (aInt == bInt) return LE_EQUAL; - else return LE_GREATER; - } - - // Otherwise, both are negative, so we need to flip the sense of the - // comparison to get the correct result. (This assumes a twos- or ones- - // complement integer representation; if integers are represented in a - // sign-magnitude representation, then this flip is incorrect). - else { - if (aInt > bInt) return LE_LESS; - else if (aInt == bInt) return LE_EQUAL; - else return LE_GREATER; - } -} - -#if defined(__ELF__) -// Alias for libgcc compatibility -FNALIAS(__cmpdf2, __ledf2); -#endif - -enum GE_RESULT { - GE_LESS = -1, - GE_EQUAL = 0, - GE_GREATER = 1, - GE_UNORDERED = -1 // Note: different from LE_UNORDERED -}; - -COMPILER_RT_ABI enum GE_RESULT -__gedf2(fp_t a, fp_t b) { - - const srep_t aInt = toRep(a); - const srep_t bInt = toRep(b); - const rep_t aAbs = aInt & absMask; - const rep_t bAbs = bInt & absMask; - - if (aAbs > infRep || bAbs > infRep) return GE_UNORDERED; - if ((aAbs | bAbs) == 0) return GE_EQUAL; - if ((aInt & bInt) >= 0) { - if (aInt < bInt) return GE_LESS; - else if (aInt == bInt) return GE_EQUAL; - else return GE_GREATER; - } else { - if (aInt > bInt) return GE_LESS; - else if (aInt == bInt) return GE_EQUAL; - else return GE_GREATER; - } -} - -COMPILER_RT_ABI int -__unorddf2(fp_t a, fp_t b) { - const rep_t aAbs = toRep(a) & absMask; - const rep_t bAbs = toRep(b) & absMask; - return aAbs > infRep || bAbs > infRep; -} - -// The following are alternative names for the preceding routines. - -COMPILER_RT_ABI enum LE_RESULT -__eqdf2(fp_t a, fp_t b) { - return __ledf2(a, b); -} - -COMPILER_RT_ABI enum LE_RESULT -__ltdf2(fp_t a, fp_t b) { - return __ledf2(a, b); -} - -COMPILER_RT_ABI enum LE_RESULT -__nedf2(fp_t a, fp_t b) { - return __ledf2(a, b); -} - -COMPILER_RT_ABI enum GE_RESULT -__gtdf2(fp_t a, fp_t b) { - return __gedf2(a, b); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI int __aeabi_dcmpun(fp_t a, fp_t b) { - return __unorddf2(a, b); -} -#else -AEABI_RTABI int __aeabi_dcmpun(fp_t a, fp_t b) COMPILER_RT_ALIAS(__unorddf2); -#endif -#endif diff --git a/lib/libcompiler_rt/comparesf2.c b/lib/libcompiler_rt/comparesf2.c deleted file mode 100644 index 43cd6a6a700..00000000000 --- a/lib/libcompiler_rt/comparesf2.c +++ /dev/null @@ -1,153 +0,0 @@ -//===-- lib/comparesf2.c - Single-precision comparisons -----------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the following soft-fp_t comparison routines: -// -// __eqsf2 __gesf2 __unordsf2 -// __lesf2 __gtsf2 -// __ltsf2 -// __nesf2 -// -// The semantics of the routines grouped in each column are identical, so there -// is a single implementation for each, and wrappers to provide the other names. -// -// The main routines behave as follows: -// -// __lesf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// 1 if either a or b is NaN -// -// __gesf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// -1 if either a or b is NaN -// -// __unordsf2(a,b) returns 0 if both a and b are numbers -// 1 if either a or b is NaN -// -// Note that __lesf2( ) and __gesf2( ) are identical except in their handling of -// NaN values. -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "fp_lib.h" - -enum LE_RESULT { - LE_LESS = -1, - LE_EQUAL = 0, - LE_GREATER = 1, - LE_UNORDERED = 1 -}; - -COMPILER_RT_ABI enum LE_RESULT -__lesf2(fp_t a, fp_t b) { - - const srep_t aInt = toRep(a); - const srep_t bInt = toRep(b); - const rep_t aAbs = aInt & absMask; - const rep_t bAbs = bInt & absMask; - - // If either a or b is NaN, they are unordered. - if (aAbs > infRep || bAbs > infRep) return LE_UNORDERED; - - // If a and b are both zeros, they are equal. - if ((aAbs | bAbs) == 0) return LE_EQUAL; - - // If at least one of a and b is positive, we get the same result comparing - // a and b as signed integers as we would with a fp_ting-point compare. - if ((aInt & bInt) >= 0) { - if (aInt < bInt) return LE_LESS; - else if (aInt == bInt) return LE_EQUAL; - else return LE_GREATER; - } - - // Otherwise, both are negative, so we need to flip the sense of the - // comparison to get the correct result. (This assumes a twos- or ones- - // complement integer representation; if integers are represented in a - // sign-magnitude representation, then this flip is incorrect). - else { - if (aInt > bInt) return LE_LESS; - else if (aInt == bInt) return LE_EQUAL; - else return LE_GREATER; - } -} - -#if defined(__ELF__) -// Alias for libgcc compatibility -FNALIAS(__cmpsf2, __lesf2); -#endif - -enum GE_RESULT { - GE_LESS = -1, - GE_EQUAL = 0, - GE_GREATER = 1, - GE_UNORDERED = -1 // Note: different from LE_UNORDERED -}; - -COMPILER_RT_ABI enum GE_RESULT -__gesf2(fp_t a, fp_t b) { - - const srep_t aInt = toRep(a); - const srep_t bInt = toRep(b); - const rep_t aAbs = aInt & absMask; - const rep_t bAbs = bInt & absMask; - - if (aAbs > infRep || bAbs > infRep) return GE_UNORDERED; - if ((aAbs | bAbs) == 0) return GE_EQUAL; - if ((aInt & bInt) >= 0) { - if (aInt < bInt) return GE_LESS; - else if (aInt == bInt) return GE_EQUAL; - else return GE_GREATER; - } else { - if (aInt > bInt) return GE_LESS; - else if (aInt == bInt) return GE_EQUAL; - else return GE_GREATER; - } -} - -COMPILER_RT_ABI int -__unordsf2(fp_t a, fp_t b) { - const rep_t aAbs = toRep(a) & absMask; - const rep_t bAbs = toRep(b) & absMask; - return aAbs > infRep || bAbs > infRep; -} - -// The following are alternative names for the preceding routines. - -COMPILER_RT_ABI enum LE_RESULT -__eqsf2(fp_t a, fp_t b) { - return __lesf2(a, b); -} - -COMPILER_RT_ABI enum LE_RESULT -__ltsf2(fp_t a, fp_t b) { - return __lesf2(a, b); -} - -COMPILER_RT_ABI enum LE_RESULT -__nesf2(fp_t a, fp_t b) { - return __lesf2(a, b); -} - -COMPILER_RT_ABI enum GE_RESULT -__gtsf2(fp_t a, fp_t b) { - return __gesf2(a, b); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI int __aeabi_fcmpun(fp_t a, fp_t b) { - return __unordsf2(a, b); -} -#else -AEABI_RTABI int __aeabi_fcmpun(fp_t a, fp_t b) COMPILER_RT_ALIAS(__unordsf2); -#endif -#endif diff --git a/lib/libcompiler_rt/comparetf2.c b/lib/libcompiler_rt/comparetf2.c deleted file mode 100644 index c0ad8ed0aec..00000000000 --- a/lib/libcompiler_rt/comparetf2.c +++ /dev/null @@ -1,138 +0,0 @@ -//===-- lib/comparetf2.c - Quad-precision comparisons -------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// // This file implements the following soft-float comparison routines: -// -// __eqtf2 __getf2 __unordtf2 -// __letf2 __gttf2 -// __lttf2 -// __netf2 -// -// The semantics of the routines grouped in each column are identical, so there -// is a single implementation for each, and wrappers to provide the other names. -// -// The main routines behave as follows: -// -// __letf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// 1 if either a or b is NaN -// -// __getf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// -1 if either a or b is NaN -// -// __unordtf2(a,b) returns 0 if both a and b are numbers -// 1 if either a or b is NaN -// -// Note that __letf2( ) and __getf2( ) are identical except in their handling of -// NaN values. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -enum LE_RESULT { - LE_LESS = -1, - LE_EQUAL = 0, - LE_GREATER = 1, - LE_UNORDERED = 1 -}; - -COMPILER_RT_ABI enum LE_RESULT __letf2(fp_t a, fp_t b) { - - const srep_t aInt = toRep(a); - const srep_t bInt = toRep(b); - const rep_t aAbs = aInt & absMask; - const rep_t bAbs = bInt & absMask; - - // If either a or b is NaN, they are unordered. - if (aAbs > infRep || bAbs > infRep) return LE_UNORDERED; - - // If a and b are both zeros, they are equal. - if ((aAbs | bAbs) == 0) return LE_EQUAL; - - // If at least one of a and b is positive, we get the same result comparing - // a and b as signed integers as we would with a floating-point compare. - if ((aInt & bInt) >= 0) { - if (aInt < bInt) return LE_LESS; - else if (aInt == bInt) return LE_EQUAL; - else return LE_GREATER; - } - else { - // Otherwise, both are negative, so we need to flip the sense of the - // comparison to get the correct result. (This assumes a twos- or ones- - // complement integer representation; if integers are represented in a - // sign-magnitude representation, then this flip is incorrect). - if (aInt > bInt) return LE_LESS; - else if (aInt == bInt) return LE_EQUAL; - else return LE_GREATER; - } -} - -#if defined(__ELF__) -// Alias for libgcc compatibility -FNALIAS(__cmptf2, __letf2); -#endif - -enum GE_RESULT { - GE_LESS = -1, - GE_EQUAL = 0, - GE_GREATER = 1, - GE_UNORDERED = -1 // Note: different from LE_UNORDERED -}; - -COMPILER_RT_ABI enum GE_RESULT __getf2(fp_t a, fp_t b) { - - const srep_t aInt = toRep(a); - const srep_t bInt = toRep(b); - const rep_t aAbs = aInt & absMask; - const rep_t bAbs = bInt & absMask; - - if (aAbs > infRep || bAbs > infRep) return GE_UNORDERED; - if ((aAbs | bAbs) == 0) return GE_EQUAL; - if ((aInt & bInt) >= 0) { - if (aInt < bInt) return GE_LESS; - else if (aInt == bInt) return GE_EQUAL; - else return GE_GREATER; - } else { - if (aInt > bInt) return GE_LESS; - else if (aInt == bInt) return GE_EQUAL; - else return GE_GREATER; - } -} - -COMPILER_RT_ABI int __unordtf2(fp_t a, fp_t b) { - const rep_t aAbs = toRep(a) & absMask; - const rep_t bAbs = toRep(b) & absMask; - return aAbs > infRep || bAbs > infRep; -} - -// The following are alternative names for the preceding routines. - -COMPILER_RT_ABI enum LE_RESULT __eqtf2(fp_t a, fp_t b) { - return __letf2(a, b); -} - -COMPILER_RT_ABI enum LE_RESULT __lttf2(fp_t a, fp_t b) { - return __letf2(a, b); -} - -COMPILER_RT_ABI enum LE_RESULT __netf2(fp_t a, fp_t b) { - return __letf2(a, b); -} - -COMPILER_RT_ABI enum GE_RESULT __gttf2(fp_t a, fp_t b) { - return __getf2(a, b); -} - -#endif diff --git a/lib/libcompiler_rt/cpu_model.c b/lib/libcompiler_rt/cpu_model.c deleted file mode 100644 index fb2b899fc70..00000000000 --- a/lib/libcompiler_rt/cpu_model.c +++ /dev/null @@ -1,651 +0,0 @@ -//===-- cpu_model.c - Support for __cpu_model builtin ------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file is based on LLVM's lib/Support/Host.cpp. -// It implements the operating system Host concept and builtin -// __cpu_model for the compiler_rt library, for x86 only. -// -//===----------------------------------------------------------------------===// - -#if (defined(__i386__) || defined(_M_IX86) || \ - defined(__x86_64__) || defined(_M_X64)) && \ - (defined(__GNUC__) || defined(__clang__) || defined(_MSC_VER)) - -#include <assert.h> - -#define bool int -#define true 1 -#define false 0 - -#ifdef _MSC_VER -#include <intrin.h> -#endif - -#ifndef __has_attribute -#define __has_attribute(attr) 0 -#endif - -enum VendorSignatures { - SIG_INTEL = 0x756e6547 /* Genu */, - SIG_AMD = 0x68747541 /* Auth */ -}; - -enum ProcessorVendors { - VENDOR_INTEL = 1, - VENDOR_AMD, - VENDOR_OTHER, - VENDOR_MAX -}; - -enum ProcessorTypes { - INTEL_BONNELL = 1, - INTEL_CORE2, - INTEL_COREI7, - AMDFAM10H, - AMDFAM15H, - INTEL_SILVERMONT, - INTEL_KNL, - AMD_BTVER1, - AMD_BTVER2, - AMDFAM17H, - INTEL_KNM, - INTEL_GOLDMONT, - INTEL_GOLDMONT_PLUS, - INTEL_TREMONT, - CPU_TYPE_MAX -}; - -enum ProcessorSubtypes { - INTEL_COREI7_NEHALEM = 1, - INTEL_COREI7_WESTMERE, - INTEL_COREI7_SANDYBRIDGE, - AMDFAM10H_BARCELONA, - AMDFAM10H_SHANGHAI, - AMDFAM10H_ISTANBUL, - AMDFAM15H_BDVER1, - AMDFAM15H_BDVER2, - AMDFAM15H_BDVER3, - AMDFAM15H_BDVER4, - AMDFAM17H_ZNVER1, - INTEL_COREI7_IVYBRIDGE, - INTEL_COREI7_HASWELL, - INTEL_COREI7_BROADWELL, - INTEL_COREI7_SKYLAKE, - INTEL_COREI7_SKYLAKE_AVX512, - INTEL_COREI7_CANNONLAKE, - INTEL_COREI7_ICELAKE_CLIENT, - INTEL_COREI7_ICELAKE_SERVER, - CPU_SUBTYPE_MAX -}; - -enum ProcessorFeatures { - FEATURE_CMOV = 0, - FEATURE_MMX, - FEATURE_POPCNT, - FEATURE_SSE, - FEATURE_SSE2, - FEATURE_SSE3, - FEATURE_SSSE3, - FEATURE_SSE4_1, - FEATURE_SSE4_2, - FEATURE_AVX, - FEATURE_AVX2, - FEATURE_SSE4_A, - FEATURE_FMA4, - FEATURE_XOP, - FEATURE_FMA, - FEATURE_AVX512F, - FEATURE_BMI, - FEATURE_BMI2, - FEATURE_AES, - FEATURE_PCLMUL, - FEATURE_AVX512VL, - FEATURE_AVX512BW, - FEATURE_AVX512DQ, - FEATURE_AVX512CD, - FEATURE_AVX512ER, - FEATURE_AVX512PF, - FEATURE_AVX512VBMI, - FEATURE_AVX512IFMA, - FEATURE_AVX5124VNNIW, - FEATURE_AVX5124FMAPS, - FEATURE_AVX512VPOPCNTDQ, - FEATURE_AVX512VBMI2, - FEATURE_GFNI, - FEATURE_VPCLMULQDQ, - FEATURE_AVX512VNNI, - FEATURE_AVX512BITALG -}; - -// The check below for i386 was copied from clang's cpuid.h (__get_cpuid_max). -// Check motivated by bug reports for OpenSSL crashing on CPUs without CPUID -// support. Consequently, for i386, the presence of CPUID is checked first -// via the corresponding eflags bit. -static bool isCpuIdSupported() { -#if defined(__GNUC__) || defined(__clang__) -#if defined(__i386__) - int __cpuid_supported; - __asm__(" pushfl\n" - " popl %%eax\n" - " movl %%eax,%%ecx\n" - " xorl $0x00200000,%%eax\n" - " pushl %%eax\n" - " popfl\n" - " pushfl\n" - " popl %%eax\n" - " movl $0,%0\n" - " cmpl %%eax,%%ecx\n" - " je 1f\n" - " movl $1,%0\n" - "1:" - : "=r"(__cpuid_supported) - : - : "eax", "ecx"); - if (!__cpuid_supported) - return false; -#endif - return true; -#endif - return true; -} - -// This code is copied from lib/Support/Host.cpp. -// Changes to either file should be mirrored in the other. - -/// getX86CpuIDAndInfo - Execute the specified cpuid and return the 4 values in -/// the specified arguments. If we can't run cpuid on the host, return true. -static bool getX86CpuIDAndInfo(unsigned value, unsigned *rEAX, unsigned *rEBX, - unsigned *rECX, unsigned *rEDX) { -#if defined(__GNUC__) || defined(__clang__) -#if defined(__x86_64__) - // gcc doesn't know cpuid would clobber ebx/rbx. Preserve it manually. - // FIXME: should we save this for Clang? - __asm__("movq\t%%rbx, %%rsi\n\t" - "cpuid\n\t" - "xchgq\t%%rbx, %%rsi\n\t" - : "=a"(*rEAX), "=S"(*rEBX), "=c"(*rECX), "=d"(*rEDX) - : "a"(value)); - return false; -#elif defined(__i386__) - __asm__("movl\t%%ebx, %%esi\n\t" - "cpuid\n\t" - "xchgl\t%%ebx, %%esi\n\t" - : "=a"(*rEAX), "=S"(*rEBX), "=c"(*rECX), "=d"(*rEDX) - : "a"(value)); - return false; -#else - return true; -#endif -#elif defined(_MSC_VER) - // The MSVC intrinsic is portable across x86 and x64. - int registers[4]; - __cpuid(registers, value); - *rEAX = registers[0]; - *rEBX = registers[1]; - *rECX = registers[2]; - *rEDX = registers[3]; - return false; -#else - return true; -#endif -} - -/// getX86CpuIDAndInfoEx - Execute the specified cpuid with subleaf and return -/// the 4 values in the specified arguments. If we can't run cpuid on the host, -/// return true. -static bool getX86CpuIDAndInfoEx(unsigned value, unsigned subleaf, - unsigned *rEAX, unsigned *rEBX, unsigned *rECX, - unsigned *rEDX) { -#if defined(__GNUC__) || defined(__clang__) -#if defined(__x86_64__) - // gcc doesn't know cpuid would clobber ebx/rbx. Preserve it manually. - // FIXME: should we save this for Clang? - __asm__("movq\t%%rbx, %%rsi\n\t" - "cpuid\n\t" - "xchgq\t%%rbx, %%rsi\n\t" - : "=a"(*rEAX), "=S"(*rEBX), "=c"(*rECX), "=d"(*rEDX) - : "a"(value), "c"(subleaf)); - return false; -#elif defined(__i386__) - __asm__("movl\t%%ebx, %%esi\n\t" - "cpuid\n\t" - "xchgl\t%%ebx, %%esi\n\t" - : "=a"(*rEAX), "=S"(*rEBX), "=c"(*rECX), "=d"(*rEDX) - : "a"(value), "c"(subleaf)); - return false; -#else - return true; -#endif -#elif defined(_MSC_VER) - int registers[4]; - __cpuidex(registers, value, subleaf); - *rEAX = registers[0]; - *rEBX = registers[1]; - *rECX = registers[2]; - *rEDX = registers[3]; - return false; -#else - return true; -#endif -} - -// Read control register 0 (XCR0). Used to detect features such as AVX. -static bool getX86XCR0(unsigned *rEAX, unsigned *rEDX) { -#if defined(__GNUC__) || defined(__clang__) - // Check xgetbv; this uses a .byte sequence instead of the instruction - // directly because older assemblers do not include support for xgetbv and - // there is no easy way to conditionally compile based on the assembler used. - __asm__(".byte 0x0f, 0x01, 0xd0" : "=a"(*rEAX), "=d"(*rEDX) : "c"(0)); - return false; -#elif defined(_MSC_FULL_VER) && defined(_XCR_XFEATURE_ENABLED_MASK) - unsigned long long Result = _xgetbv(_XCR_XFEATURE_ENABLED_MASK); - *rEAX = Result; - *rEDX = Result >> 32; - return false; -#else - return true; -#endif -} - -static void detectX86FamilyModel(unsigned EAX, unsigned *Family, - unsigned *Model) { - *Family = (EAX >> 8) & 0xf; // Bits 8 - 11 - *Model = (EAX >> 4) & 0xf; // Bits 4 - 7 - if (*Family == 6 || *Family == 0xf) { - if (*Family == 0xf) - // Examine extended family ID if family ID is F. - *Family += (EAX >> 20) & 0xff; // Bits 20 - 27 - // Examine extended model ID if family ID is 6 or F. - *Model += ((EAX >> 16) & 0xf) << 4; // Bits 16 - 19 - } -} - -static void -getIntelProcessorTypeAndSubtype(unsigned Family, unsigned Model, - unsigned Brand_id, unsigned Features, - unsigned *Type, unsigned *Subtype) { - if (Brand_id != 0) - return; - switch (Family) { - case 6: - switch (Model) { - case 0x0f: // Intel Core 2 Duo processor, Intel Core 2 Duo mobile - // processor, Intel Core 2 Quad processor, Intel Core 2 Quad - // mobile processor, Intel Core 2 Extreme processor, Intel - // Pentium Dual-Core processor, Intel Xeon processor, model - // 0Fh. All processors are manufactured using the 65 nm process. - case 0x16: // Intel Celeron processor model 16h. All processors are - // manufactured using the 65 nm process - case 0x17: // Intel Core 2 Extreme processor, Intel Xeon processor, model - // 17h. All processors are manufactured using the 45 nm process. - // - // 45nm: Penryn , Wolfdale, Yorkfield (XE) - case 0x1d: // Intel Xeon processor MP. All processors are manufactured using - // the 45 nm process. - *Type = INTEL_CORE2; // "penryn" - break; - case 0x1a: // Intel Core i7 processor and Intel Xeon processor. All - // processors are manufactured using the 45 nm process. - case 0x1e: // Intel(R) Core(TM) i7 CPU 870 @ 2.93GHz. - // As found in a Summer 2010 model iMac. - case 0x1f: - case 0x2e: // Nehalem EX - *Type = INTEL_COREI7; // "nehalem" - *Subtype = INTEL_COREI7_NEHALEM; - break; - case 0x25: // Intel Core i7, laptop version. - case 0x2c: // Intel Core i7 processor and Intel Xeon processor. All - // processors are manufactured using the 32 nm process. - case 0x2f: // Westmere EX - *Type = INTEL_COREI7; // "westmere" - *Subtype = INTEL_COREI7_WESTMERE; - break; - case 0x2a: // Intel Core i7 processor. All processors are manufactured - // using the 32 nm process. - case 0x2d: - *Type = INTEL_COREI7; //"sandybridge" - *Subtype = INTEL_COREI7_SANDYBRIDGE; - break; - case 0x3a: - case 0x3e: // Ivy Bridge EP - *Type = INTEL_COREI7; // "ivybridge" - *Subtype = INTEL_COREI7_IVYBRIDGE; - break; - - // Haswell: - case 0x3c: - case 0x3f: - case 0x45: - case 0x46: - *Type = INTEL_COREI7; // "haswell" - *Subtype = INTEL_COREI7_HASWELL; - break; - - // Broadwell: - case 0x3d: - case 0x47: - case 0x4f: - case 0x56: - *Type = INTEL_COREI7; // "broadwell" - *Subtype = INTEL_COREI7_BROADWELL; - break; - - // Skylake: - case 0x4e: // Skylake mobile - case 0x5e: // Skylake desktop - case 0x8e: // Kaby Lake mobile - case 0x9e: // Kaby Lake desktop - *Type = INTEL_COREI7; // "skylake" - *Subtype = INTEL_COREI7_SKYLAKE; - break; - - // Skylake Xeon: - case 0x55: - *Type = INTEL_COREI7; - *Subtype = INTEL_COREI7_SKYLAKE_AVX512; // "skylake-avx512" - break; - - // Cannonlake: - case 0x66: - *Type = INTEL_COREI7; - *Subtype = INTEL_COREI7_CANNONLAKE; // "cannonlake" - break; - - case 0x1c: // Most 45 nm Intel Atom processors - case 0x26: // 45 nm Atom Lincroft - case 0x27: // 32 nm Atom Medfield - case 0x35: // 32 nm Atom Midview - case 0x36: // 32 nm Atom Midview - *Type = INTEL_BONNELL; - break; // "bonnell" - - // Atom Silvermont codes from the Intel software optimization guide. - case 0x37: - case 0x4a: - case 0x4d: - case 0x5a: - case 0x5d: - case 0x4c: // really airmont - *Type = INTEL_SILVERMONT; - break; // "silvermont" - // Goldmont: - case 0x5c: // Apollo Lake - case 0x5f: // Denverton - *Type = INTEL_GOLDMONT; - break; // "goldmont" - case 0x7a: - *Type = INTEL_GOLDMONT_PLUS; - break; - - case 0x57: - *Type = INTEL_KNL; // knl - break; - - case 0x85: - *Type = INTEL_KNM; // knm - break; - - default: // Unknown family 6 CPU. - break; - break; - } - default: - break; // Unknown. - } -} - -static void getAMDProcessorTypeAndSubtype(unsigned Family, unsigned Model, - unsigned Features, unsigned *Type, - unsigned *Subtype) { - // FIXME: this poorly matches the generated SubtargetFeatureKV table. There - // appears to be no way to generate the wide variety of AMD-specific targets - // from the information returned from CPUID. - switch (Family) { - case 16: - *Type = AMDFAM10H; // "amdfam10" - switch (Model) { - case 2: - *Subtype = AMDFAM10H_BARCELONA; - break; - case 4: - *Subtype = AMDFAM10H_SHANGHAI; - break; - case 8: - *Subtype = AMDFAM10H_ISTANBUL; - break; - } - break; - case 20: - *Type = AMD_BTVER1; - break; // "btver1"; - case 21: - *Type = AMDFAM15H; - if (Model >= 0x60 && Model <= 0x7f) { - *Subtype = AMDFAM15H_BDVER4; - break; // "bdver4"; 60h-7Fh: Excavator - } - if (Model >= 0x30 && Model <= 0x3f) { - *Subtype = AMDFAM15H_BDVER3; - break; // "bdver3"; 30h-3Fh: Steamroller - } - if ((Model >= 0x10 && Model <= 0x1f) || Model == 0x02) { - *Subtype = AMDFAM15H_BDVER2; - break; // "bdver2"; 02h, 10h-1Fh: Piledriver - } - if (Model <= 0x0f) { - *Subtype = AMDFAM15H_BDVER1; - break; // "bdver1"; 00h-0Fh: Bulldozer - } - break; - case 22: - *Type = AMD_BTVER2; - break; // "btver2" - case 23: - *Type = AMDFAM17H; - *Subtype = AMDFAM17H_ZNVER1; - break; - default: - break; // "generic" - } -} - -static void getAvailableFeatures(unsigned ECX, unsigned EDX, unsigned MaxLeaf, - unsigned *FeaturesOut, - unsigned *Features2Out) { - unsigned Features = 0; - unsigned Features2 = 0; - unsigned EAX, EBX; - -#define setFeature(F) \ - do { \ - if (F < 32) \ - Features |= 1U << (F & 0x1f); \ - else if (F < 64) \ - Features2 |= 1U << ((F - 32) & 0x1f); \ - } while (0) - - if ((EDX >> 15) & 1) - setFeature(FEATURE_CMOV); - if ((EDX >> 23) & 1) - setFeature(FEATURE_MMX); - if ((EDX >> 25) & 1) - setFeature(FEATURE_SSE); - if ((EDX >> 26) & 1) - setFeature(FEATURE_SSE2); - - if ((ECX >> 0) & 1) - setFeature(FEATURE_SSE3); - if ((ECX >> 1) & 1) - setFeature(FEATURE_PCLMUL); - if ((ECX >> 9) & 1) - setFeature(FEATURE_SSSE3); - if ((ECX >> 12) & 1) - setFeature(FEATURE_FMA); - if ((ECX >> 19) & 1) - setFeature(FEATURE_SSE4_1); - if ((ECX >> 20) & 1) - setFeature(FEATURE_SSE4_2); - if ((ECX >> 23) & 1) - setFeature(FEATURE_POPCNT); - if ((ECX >> 25) & 1) - setFeature(FEATURE_AES); - - // If CPUID indicates support for XSAVE, XRESTORE and AVX, and XGETBV - // indicates that the AVX registers will be saved and restored on context - // switch, then we have full AVX support. - const unsigned AVXBits = (1 << 27) | (1 << 28); - bool HasAVX = ((ECX & AVXBits) == AVXBits) && !getX86XCR0(&EAX, &EDX) && - ((EAX & 0x6) == 0x6); - bool HasAVX512Save = HasAVX && ((EAX & 0xe0) == 0xe0); - - if (HasAVX) - setFeature(FEATURE_AVX); - - bool HasLeaf7 = - MaxLeaf >= 0x7 && !getX86CpuIDAndInfoEx(0x7, 0x0, &EAX, &EBX, &ECX, &EDX); - - if (HasLeaf7 && ((EBX >> 3) & 1)) - setFeature(FEATURE_BMI); - if (HasLeaf7 && ((EBX >> 5) & 1) && HasAVX) - setFeature(FEATURE_AVX2); - if (HasLeaf7 && ((EBX >> 9) & 1)) - setFeature(FEATURE_BMI2); - if (HasLeaf7 && ((EBX >> 16) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512F); - if (HasLeaf7 && ((EBX >> 17) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512DQ); - if (HasLeaf7 && ((EBX >> 21) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512IFMA); - if (HasLeaf7 && ((EBX >> 26) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512PF); - if (HasLeaf7 && ((EBX >> 27) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512ER); - if (HasLeaf7 && ((EBX >> 28) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512CD); - if (HasLeaf7 && ((EBX >> 30) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512BW); - if (HasLeaf7 && ((EBX >> 31) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512VL); - - if (HasLeaf7 && ((ECX >> 1) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512VBMI); - if (HasLeaf7 && ((ECX >> 6) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512VBMI2); - if (HasLeaf7 && ((ECX >> 8) & 1)) - setFeature(FEATURE_GFNI); - if (HasLeaf7 && ((ECX >> 10) & 1) && HasAVX) - setFeature(FEATURE_VPCLMULQDQ); - if (HasLeaf7 && ((ECX >> 11) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512VNNI); - if (HasLeaf7 && ((ECX >> 12) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512BITALG); - if (HasLeaf7 && ((ECX >> 14) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX512VPOPCNTDQ); - - if (HasLeaf7 && ((EDX >> 2) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX5124VNNIW); - if (HasLeaf7 && ((EDX >> 3) & 1) && HasAVX512Save) - setFeature(FEATURE_AVX5124FMAPS); - - unsigned MaxExtLevel; - getX86CpuIDAndInfo(0x80000000, &MaxExtLevel, &EBX, &ECX, &EDX); - - bool HasExtLeaf1 = MaxExtLevel >= 0x80000001 && - !getX86CpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX); - if (HasExtLeaf1 && ((ECX >> 6) & 1)) - setFeature(FEATURE_SSE4_A); - if (HasExtLeaf1 && ((ECX >> 11) & 1)) - setFeature(FEATURE_XOP); - if (HasExtLeaf1 && ((ECX >> 16) & 1)) - setFeature(FEATURE_FMA4); - - *FeaturesOut = Features; - *Features2Out = Features2; -#undef setFeature -} - -#if defined(HAVE_INIT_PRIORITY) -#define CONSTRUCTOR_ATTRIBUTE __attribute__((__constructor__ 101)) -#elif __has_attribute(__constructor__) -#define CONSTRUCTOR_ATTRIBUTE __attribute__((__constructor__)) -#else -// FIXME: For MSVC, we should make a function pointer global in .CRT$X?? so that -// this runs during initialization. -#define CONSTRUCTOR_ATTRIBUTE -#endif - -int __cpu_indicator_init(void) CONSTRUCTOR_ATTRIBUTE; - -struct __processor_model { - unsigned int __cpu_vendor; - unsigned int __cpu_type; - unsigned int __cpu_subtype; - unsigned int __cpu_features[1]; -} __cpu_model = {0, 0, 0, {0}}; -unsigned int __cpu_features2; - -/* A constructor function that is sets __cpu_model and __cpu_features2 with - the right values. This needs to run only once. This constructor is - given the highest priority and it should run before constructors without - the priority set. However, it still runs after ifunc initializers and - needs to be called explicitly there. */ - -int CONSTRUCTOR_ATTRIBUTE -__cpu_indicator_init(void) { - unsigned EAX, EBX, ECX, EDX; - unsigned MaxLeaf = 5; - unsigned Vendor; - unsigned Model, Family, Brand_id; - unsigned Features = 0; - unsigned Features2 = 0; - - /* This function needs to run just once. */ - if (__cpu_model.__cpu_vendor) - return 0; - - if (!isCpuIdSupported()) - return -1; - - /* Assume cpuid insn present. Run in level 0 to get vendor id. */ - if (getX86CpuIDAndInfo(0, &MaxLeaf, &Vendor, &ECX, &EDX) || MaxLeaf < 1) { - __cpu_model.__cpu_vendor = VENDOR_OTHER; - return -1; - } - getX86CpuIDAndInfo(1, &EAX, &EBX, &ECX, &EDX); - detectX86FamilyModel(EAX, &Family, &Model); - Brand_id = EBX & 0xff; - - /* Find available features. */ - getAvailableFeatures(ECX, EDX, MaxLeaf, &Features, &Features2); - __cpu_model.__cpu_features[0] = Features; - __cpu_features2 = Features2; - - if (Vendor == SIG_INTEL) { - /* Get CPU type. */ - getIntelProcessorTypeAndSubtype(Family, Model, Brand_id, Features, - &(__cpu_model.__cpu_type), - &(__cpu_model.__cpu_subtype)); - __cpu_model.__cpu_vendor = VENDOR_INTEL; - } else if (Vendor == SIG_AMD) { - /* Get CPU type. */ - getAMDProcessorTypeAndSubtype(Family, Model, Features, - &(__cpu_model.__cpu_type), - &(__cpu_model.__cpu_subtype)); - __cpu_model.__cpu_vendor = VENDOR_AMD; - } else - __cpu_model.__cpu_vendor = VENDOR_OTHER; - - assert(__cpu_model.__cpu_vendor < VENDOR_MAX); - assert(__cpu_model.__cpu_type < CPU_TYPE_MAX); - assert(__cpu_model.__cpu_subtype < CPU_SUBTYPE_MAX); - - return 0; -} - -#endif diff --git a/lib/libcompiler_rt/ctzdi2.c b/lib/libcompiler_rt/ctzdi2.c deleted file mode 100644 index ef6d7fea136..00000000000 --- a/lib/libcompiler_rt/ctzdi2.c +++ /dev/null @@ -1,40 +0,0 @@ -/* ===-- ctzdi2.c - Implement __ctzdi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ctzdi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: the number of trailing 0-bits */ - -#if !defined(__clang__) && \ - ((defined(__sparc__) && defined(__arch64__)) || \ - defined(__mips64) || \ - (defined(__riscv) && __SIZEOF_POINTER__ >= 8)) -/* On 64-bit architectures with neither a native clz instruction nor a native - * ctz instruction, gcc resolves __builtin_ctz to __ctzdi2 rather than - * __ctzsi2, leading to infinite recursion. */ -#define __builtin_ctz(a) __ctzsi2(a) -extern si_int __ctzsi2(si_int); -#endif - -/* Precondition: a != 0 */ - -COMPILER_RT_ABI si_int -__ctzdi2(di_int a) -{ - dwords x; - x.all = a; - const si_int f = -(x.s.low == 0); - return __builtin_ctz((x.s.high & f) | (x.s.low & ~f)) + - (f & ((si_int)(sizeof(si_int) * CHAR_BIT))); -} diff --git a/lib/libcompiler_rt/ctzsi2.c b/lib/libcompiler_rt/ctzsi2.c deleted file mode 100644 index c69486ea445..00000000000 --- a/lib/libcompiler_rt/ctzsi2.c +++ /dev/null @@ -1,57 +0,0 @@ -/* ===-- ctzsi2.c - Implement __ctzsi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ctzsi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: the number of trailing 0-bits */ - -/* Precondition: a != 0 */ - -COMPILER_RT_ABI si_int -__ctzsi2(si_int a) -{ - su_int x = (su_int)a; - si_int t = ((x & 0x0000FFFF) == 0) << 4; /* if (x has no small bits) t = 16 else 0 */ - x >>= t; /* x = [0 - 0xFFFF] + higher garbage bits */ - su_int r = t; /* r = [0, 16] */ - /* return r + ctz(x) */ - t = ((x & 0x00FF) == 0) << 3; - x >>= t; /* x = [0 - 0xFF] + higher garbage bits */ - r += t; /* r = [0, 8, 16, 24] */ - /* return r + ctz(x) */ - t = ((x & 0x0F) == 0) << 2; - x >>= t; /* x = [0 - 0xF] + higher garbage bits */ - r += t; /* r = [0, 4, 8, 12, 16, 20, 24, 28] */ - /* return r + ctz(x) */ - t = ((x & 0x3) == 0) << 1; - x >>= t; - x &= 3; /* x = [0 - 3] */ - r += t; /* r = [0 - 30] and is even */ - /* return r + ctz(x) */ - -/* The branch-less return statement below is equivalent - * to the following switch statement: - * switch (x) - * { - * case 0: - * return r + 2; - * case 2: - * return r + 1; - * case 1: - * case 3: - * return r; - * } - */ - return r + ((2 - (x >> 1)) & -((x & 1) == 0)); -} diff --git a/lib/libcompiler_rt/ctzti2.c b/lib/libcompiler_rt/ctzti2.c deleted file mode 100644 index 45de682700c..00000000000 --- a/lib/libcompiler_rt/ctzti2.c +++ /dev/null @@ -1,33 +0,0 @@ -/* ===-- ctzti2.c - Implement __ctzti2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ctzti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: the number of trailing 0-bits */ - -/* Precondition: a != 0 */ - -COMPILER_RT_ABI si_int -__ctzti2(ti_int a) -{ - twords x; - x.all = a; - const di_int f = -(x.s.low == 0); - return __builtin_ctzll((x.s.high & f) | (x.s.low & ~f)) + - ((si_int)f & ((si_int)(sizeof(di_int) * CHAR_BIT))); -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/divdc3.c b/lib/libcompiler_rt/divdc3.c deleted file mode 100644 index 392d6ecacde..00000000000 --- a/lib/libcompiler_rt/divdc3.c +++ /dev/null @@ -1,62 +0,0 @@ -/* ===-- divdc3.c - Implement __divdc3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __divdc3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#define DOUBLE_PRECISION -#include "fp_lib.h" -#include "int_lib.h" -#include "int_math.h" - -/* Returns: the quotient of (a + ib) / (c + id) */ - -COMPILER_RT_ABI Dcomplex -__divdc3(double __a, double __b, double __c, double __d) -{ - int __ilogbw = 0; - double __logbw = __compiler_rt_logb(crt_fmax(crt_fabs(__c), crt_fabs(__d))); - if (crt_isfinite(__logbw)) - { - __ilogbw = (int)__logbw; - __c = crt_scalbn(__c, -__ilogbw); - __d = crt_scalbn(__d, -__ilogbw); - } - double __denom = __c * __c + __d * __d; - Dcomplex z; - COMPLEX_REAL(z) = crt_scalbn((__a * __c + __b * __d) / __denom, -__ilogbw); - COMPLEX_IMAGINARY(z) = crt_scalbn((__b * __c - __a * __d) / __denom, -__ilogbw); - if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) - { - if ((__denom == 0.0) && (!crt_isnan(__a) || !crt_isnan(__b))) - { - COMPLEX_REAL(z) = crt_copysign(CRT_INFINITY, __c) * __a; - COMPLEX_IMAGINARY(z) = crt_copysign(CRT_INFINITY, __c) * __b; - } - else if ((crt_isinf(__a) || crt_isinf(__b)) && - crt_isfinite(__c) && crt_isfinite(__d)) - { - __a = crt_copysign(crt_isinf(__a) ? 1.0 : 0.0, __a); - __b = crt_copysign(crt_isinf(__b) ? 1.0 : 0.0, __b); - COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c + __b * __d); - COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__b * __c - __a * __d); - } - else if (crt_isinf(__logbw) && __logbw > 0.0 && - crt_isfinite(__a) && crt_isfinite(__b)) - { - __c = crt_copysign(crt_isinf(__c) ? 1.0 : 0.0, __c); - __d = crt_copysign(crt_isinf(__d) ? 1.0 : 0.0, __d); - COMPLEX_REAL(z) = 0.0 * (__a * __c + __b * __d); - COMPLEX_IMAGINARY(z) = 0.0 * (__b * __c - __a * __d); - } - } - return z; -} diff --git a/lib/libcompiler_rt/divdf3.c b/lib/libcompiler_rt/divdf3.c deleted file mode 100644 index 411c82ebb87..00000000000 --- a/lib/libcompiler_rt/divdf3.c +++ /dev/null @@ -1,193 +0,0 @@ -//===-- lib/divdf3.c - Double-precision division ------------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements double-precision soft-float division -// with the IEEE-754 default rounding (to nearest, ties to even). -// -// For simplicity, this implementation currently flushes denormals to zero. -// It should be a fairly straightforward exercise to implement gradual -// underflow with correct rounding. -// -//===----------------------------------------------------------------------===// - -#define DOUBLE_PRECISION -#include "fp_lib.h" - -COMPILER_RT_ABI fp_t -__divdf3(fp_t a, fp_t b) { - - const unsigned int aExponent = toRep(a) >> significandBits & maxExponent; - const unsigned int bExponent = toRep(b) >> significandBits & maxExponent; - const rep_t quotientSign = (toRep(a) ^ toRep(b)) & signBit; - - rep_t aSignificand = toRep(a) & significandMask; - rep_t bSignificand = toRep(b) & significandMask; - int scale = 0; - - // Detect if a or b is zero, denormal, infinity, or NaN. - if (aExponent-1U >= maxExponent-1U || bExponent-1U >= maxExponent-1U) { - - const rep_t aAbs = toRep(a) & absMask; - const rep_t bAbs = toRep(b) & absMask; - - // NaN / anything = qNaN - if (aAbs > infRep) return fromRep(toRep(a) | quietBit); - // anything / NaN = qNaN - if (bAbs > infRep) return fromRep(toRep(b) | quietBit); - - if (aAbs == infRep) { - // infinity / infinity = NaN - if (bAbs == infRep) return fromRep(qnanRep); - // infinity / anything else = +/- infinity - else return fromRep(aAbs | quotientSign); - } - - // anything else / infinity = +/- 0 - if (bAbs == infRep) return fromRep(quotientSign); - - if (!aAbs) { - // zero / zero = NaN - if (!bAbs) return fromRep(qnanRep); - // zero / anything else = +/- zero - else return fromRep(quotientSign); - } - // anything else / zero = +/- infinity - if (!bAbs) return fromRep(infRep | quotientSign); - - // one or both of a or b is denormal, the other (if applicable) is a - // normal number. Renormalize one or both of a and b, and set scale to - // include the necessary exponent adjustment. - if (aAbs < implicitBit) scale += normalize(&aSignificand); - if (bAbs < implicitBit) scale -= normalize(&bSignificand); - } - - // Or in the implicit significand bit. (If we fell through from the - // denormal path it was already set by normalize( ), but setting it twice - // won't hurt anything.) - aSignificand |= implicitBit; - bSignificand |= implicitBit; - int quotientExponent = aExponent - bExponent + scale; - - // Align the significand of b as a Q31 fixed-point number in the range - // [1, 2.0) and get a Q32 approximate reciprocal using a small minimax - // polynomial approximation: reciprocal = 3/4 + 1/sqrt(2) - b/2. This - // is accurate to about 3.5 binary digits. - const uint32_t q31b = bSignificand >> 21; - uint32_t recip32 = UINT32_C(0x7504f333) - q31b; - - // Now refine the reciprocal estimate using a Newton-Raphson iteration: - // - // x1 = x0 * (2 - x0 * b) - // - // This doubles the number of correct binary digits in the approximation - // with each iteration, so after three iterations, we have about 28 binary - // digits of accuracy. - uint32_t correction32; - correction32 = -((uint64_t)recip32 * q31b >> 32); - recip32 = (uint64_t)recip32 * correction32 >> 31; - correction32 = -((uint64_t)recip32 * q31b >> 32); - recip32 = (uint64_t)recip32 * correction32 >> 31; - correction32 = -((uint64_t)recip32 * q31b >> 32); - recip32 = (uint64_t)recip32 * correction32 >> 31; - - // recip32 might have overflowed to exactly zero in the preceding - // computation if the high word of b is exactly 1.0. This would sabotage - // the full-width final stage of the computation that follows, so we adjust - // recip32 downward by one bit. - recip32--; - - // We need to perform one more iteration to get us to 56 binary digits; - // The last iteration needs to happen with extra precision. - const uint32_t q63blo = bSignificand << 11; - uint64_t correction, reciprocal; - correction = -((uint64_t)recip32*q31b + ((uint64_t)recip32*q63blo >> 32)); - uint32_t cHi = correction >> 32; - uint32_t cLo = correction; - reciprocal = (uint64_t)recip32*cHi + ((uint64_t)recip32*cLo >> 32); - - // We already adjusted the 32-bit estimate, now we need to adjust the final - // 64-bit reciprocal estimate downward to ensure that it is strictly smaller - // than the infinitely precise exact reciprocal. Because the computation - // of the Newton-Raphson step is truncating at every step, this adjustment - // is small; most of the work is already done. - reciprocal -= 2; - - // The numerical reciprocal is accurate to within 2^-56, lies in the - // interval [0.5, 1.0), and is strictly smaller than the true reciprocal - // of b. Multiplying a by this reciprocal thus gives a numerical q = a/b - // in Q53 with the following properties: - // - // 1. q < a/b - // 2. q is in the interval [0.5, 2.0) - // 3. the error in q is bounded away from 2^-53 (actually, we have a - // couple of bits to spare, but this is all we need). - - // We need a 64 x 64 multiply high to compute q, which isn't a basic - // operation in C, so we need to be a little bit fussy. - rep_t quotient, quotientLo; - wideMultiply(aSignificand << 2, reciprocal, "ient, "ientLo); - - // Two cases: quotient is in [0.5, 1.0) or quotient is in [1.0, 2.0). - // In either case, we are going to compute a residual of the form - // - // r = a - q*b - // - // We know from the construction of q that r satisfies: - // - // 0 <= r < ulp(q)*b - // - // if r is greater than 1/2 ulp(q)*b, then q rounds up. Otherwise, we - // already have the correct result. The exact halfway case cannot occur. - // We also take this time to right shift quotient if it falls in the [1,2) - // range and adjust the exponent accordingly. - rep_t residual; - if (quotient < (implicitBit << 1)) { - residual = (aSignificand << 53) - quotient * bSignificand; - quotientExponent--; - } else { - quotient >>= 1; - residual = (aSignificand << 52) - quotient * bSignificand; - } - - const int writtenExponent = quotientExponent + exponentBias; - - if (writtenExponent >= maxExponent) { - // If we have overflowed the exponent, return infinity. - return fromRep(infRep | quotientSign); - } - - else if (writtenExponent < 1) { - // Flush denormals to zero. In the future, it would be nice to add - // code to round them correctly. - return fromRep(quotientSign); - } - - else { - const bool round = (residual << 1) > bSignificand; - // Clear the implicit bit - rep_t absResult = quotient & significandMask; - // Insert the exponent - absResult |= (rep_t)writtenExponent << significandBits; - // Round - absResult += round; - // Insert the sign and return - const double result = fromRep(absResult | quotientSign); - return result; - } -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_ddiv(fp_t a, fp_t b) { - return __divdf3(a, b); -} -#else -AEABI_RTABI fp_t __aeabi_ddiv(fp_t a, fp_t b) COMPILER_RT_ALIAS(__divdf3); -#endif -#endif diff --git a/lib/libcompiler_rt/divdi3.c b/lib/libcompiler_rt/divdi3.c deleted file mode 100644 index b8eebcb2046..00000000000 --- a/lib/libcompiler_rt/divdi3.c +++ /dev/null @@ -1,29 +0,0 @@ -/* ===-- divdi3.c - Implement __divdi3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __divdi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a / b */ - -COMPILER_RT_ABI di_int -__divdi3(di_int a, di_int b) -{ - const int bits_in_dword_m1 = (int)(sizeof(di_int) * CHAR_BIT) - 1; - di_int s_a = a >> bits_in_dword_m1; /* s_a = a < 0 ? -1 : 0 */ - di_int s_b = b >> bits_in_dword_m1; /* s_b = b < 0 ? -1 : 0 */ - a = (a ^ s_a) - s_a; /* negate if s_a == -1 */ - b = (b ^ s_b) - s_b; /* negate if s_b == -1 */ - s_a ^= s_b; /*sign of quotient */ - return (__udivmoddi4(a, b, (du_int*)0) ^ s_a) - s_a; /* negate if s_a == -1 */ -} diff --git a/lib/libcompiler_rt/divmoddi4.c b/lib/libcompiler_rt/divmoddi4.c deleted file mode 100644 index 0d4df67a63e..00000000000 --- a/lib/libcompiler_rt/divmoddi4.c +++ /dev/null @@ -1,25 +0,0 @@ -/*===-- divmoddi4.c - Implement __divmoddi4 --------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __divmoddi4 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a / b, *rem = a % b */ - -COMPILER_RT_ABI di_int -__divmoddi4(di_int a, di_int b, di_int* rem) -{ - di_int d = __divdi3(a,b); - *rem = a - (d*b); - return d; -} diff --git a/lib/libcompiler_rt/divmodsi4.c b/lib/libcompiler_rt/divmodsi4.c deleted file mode 100644 index dabe2874397..00000000000 --- a/lib/libcompiler_rt/divmodsi4.c +++ /dev/null @@ -1,27 +0,0 @@ -/*===-- divmodsi4.c - Implement __divmodsi4 --------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __divmodsi4 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a / b, *rem = a % b */ - -COMPILER_RT_ABI si_int -__divmodsi4(si_int a, si_int b, si_int* rem) -{ - si_int d = __divsi3(a,b); - *rem = a - (d*b); - return d; -} - - diff --git a/lib/libcompiler_rt/divsc3.c b/lib/libcompiler_rt/divsc3.c deleted file mode 100644 index 0d18a256c3d..00000000000 --- a/lib/libcompiler_rt/divsc3.c +++ /dev/null @@ -1,63 +0,0 @@ -/*===-- divsc3.c - Implement __divsc3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __divsc3 for the compiler_rt library. - * - *===----------------------------------------------------------------------=== - */ - -#define SINGLE_PRECISION -#include "fp_lib.h" -#include "int_lib.h" -#include "int_math.h" - -/* Returns: the quotient of (a + ib) / (c + id) */ - -COMPILER_RT_ABI Fcomplex -__divsc3(float __a, float __b, float __c, float __d) -{ - int __ilogbw = 0; - float __logbw = - __compiler_rt_logbf(crt_fmaxf(crt_fabsf(__c), crt_fabsf(__d))); - if (crt_isfinite(__logbw)) - { - __ilogbw = (int)__logbw; - __c = crt_scalbnf(__c, -__ilogbw); - __d = crt_scalbnf(__d, -__ilogbw); - } - float __denom = __c * __c + __d * __d; - Fcomplex z; - COMPLEX_REAL(z) = crt_scalbnf((__a * __c + __b * __d) / __denom, -__ilogbw); - COMPLEX_IMAGINARY(z) = crt_scalbnf((__b * __c - __a * __d) / __denom, -__ilogbw); - if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) - { - if ((__denom == 0) && (!crt_isnan(__a) || !crt_isnan(__b))) - { - COMPLEX_REAL(z) = crt_copysignf(CRT_INFINITY, __c) * __a; - COMPLEX_IMAGINARY(z) = crt_copysignf(CRT_INFINITY, __c) * __b; - } - else if ((crt_isinf(__a) || crt_isinf(__b)) && - crt_isfinite(__c) && crt_isfinite(__d)) - { - __a = crt_copysignf(crt_isinf(__a) ? 1 : 0, __a); - __b = crt_copysignf(crt_isinf(__b) ? 1 : 0, __b); - COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c + __b * __d); - COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__b * __c - __a * __d); - } - else if (crt_isinf(__logbw) && __logbw > 0 && - crt_isfinite(__a) && crt_isfinite(__b)) - { - __c = crt_copysignf(crt_isinf(__c) ? 1 : 0, __c); - __d = crt_copysignf(crt_isinf(__d) ? 1 : 0, __d); - COMPLEX_REAL(z) = 0 * (__a * __c + __b * __d); - COMPLEX_IMAGINARY(z) = 0 * (__b * __c - __a * __d); - } - } - return z; -} diff --git a/lib/libcompiler_rt/divsf3.c b/lib/libcompiler_rt/divsf3.c deleted file mode 100644 index a74917fd1de..00000000000 --- a/lib/libcompiler_rt/divsf3.c +++ /dev/null @@ -1,177 +0,0 @@ -//===-- lib/divsf3.c - Single-precision division ------------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements single-precision soft-float division -// with the IEEE-754 default rounding (to nearest, ties to even). -// -// For simplicity, this implementation currently flushes denormals to zero. -// It should be a fairly straightforward exercise to implement gradual -// underflow with correct rounding. -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "fp_lib.h" - -COMPILER_RT_ABI fp_t -__divsf3(fp_t a, fp_t b) { - - const unsigned int aExponent = toRep(a) >> significandBits & maxExponent; - const unsigned int bExponent = toRep(b) >> significandBits & maxExponent; - const rep_t quotientSign = (toRep(a) ^ toRep(b)) & signBit; - - rep_t aSignificand = toRep(a) & significandMask; - rep_t bSignificand = toRep(b) & significandMask; - int scale = 0; - - // Detect if a or b is zero, denormal, infinity, or NaN. - if (aExponent-1U >= maxExponent-1U || bExponent-1U >= maxExponent-1U) { - - const rep_t aAbs = toRep(a) & absMask; - const rep_t bAbs = toRep(b) & absMask; - - // NaN / anything = qNaN - if (aAbs > infRep) return fromRep(toRep(a) | quietBit); - // anything / NaN = qNaN - if (bAbs > infRep) return fromRep(toRep(b) | quietBit); - - if (aAbs == infRep) { - // infinity / infinity = NaN - if (bAbs == infRep) return fromRep(qnanRep); - // infinity / anything else = +/- infinity - else return fromRep(aAbs | quotientSign); - } - - // anything else / infinity = +/- 0 - if (bAbs == infRep) return fromRep(quotientSign); - - if (!aAbs) { - // zero / zero = NaN - if (!bAbs) return fromRep(qnanRep); - // zero / anything else = +/- zero - else return fromRep(quotientSign); - } - // anything else / zero = +/- infinity - if (!bAbs) return fromRep(infRep | quotientSign); - - // one or both of a or b is denormal, the other (if applicable) is a - // normal number. Renormalize one or both of a and b, and set scale to - // include the necessary exponent adjustment. - if (aAbs < implicitBit) scale += normalize(&aSignificand); - if (bAbs < implicitBit) scale -= normalize(&bSignificand); - } - - // Or in the implicit significand bit. (If we fell through from the - // denormal path it was already set by normalize( ), but setting it twice - // won't hurt anything.) - aSignificand |= implicitBit; - bSignificand |= implicitBit; - int quotientExponent = aExponent - bExponent + scale; - - // Align the significand of b as a Q31 fixed-point number in the range - // [1, 2.0) and get a Q32 approximate reciprocal using a small minimax - // polynomial approximation: reciprocal = 3/4 + 1/sqrt(2) - b/2. This - // is accurate to about 3.5 binary digits. - uint32_t q31b = bSignificand << 8; - uint32_t reciprocal = UINT32_C(0x7504f333) - q31b; - - // Now refine the reciprocal estimate using a Newton-Raphson iteration: - // - // x1 = x0 * (2 - x0 * b) - // - // This doubles the number of correct binary digits in the approximation - // with each iteration, so after three iterations, we have about 28 binary - // digits of accuracy. - uint32_t correction; - correction = -((uint64_t)reciprocal * q31b >> 32); - reciprocal = (uint64_t)reciprocal * correction >> 31; - correction = -((uint64_t)reciprocal * q31b >> 32); - reciprocal = (uint64_t)reciprocal * correction >> 31; - correction = -((uint64_t)reciprocal * q31b >> 32); - reciprocal = (uint64_t)reciprocal * correction >> 31; - - // Exhaustive testing shows that the error in reciprocal after three steps - // is in the interval [-0x1.f58108p-31, 0x1.d0e48cp-29], in line with our - // expectations. We bump the reciprocal by a tiny value to force the error - // to be strictly positive (in the range [0x1.4fdfp-37,0x1.287246p-29], to - // be specific). This also causes 1/1 to give a sensible approximation - // instead of zero (due to overflow). - reciprocal -= 2; - - // The numerical reciprocal is accurate to within 2^-28, lies in the - // interval [0x1.000000eep-1, 0x1.fffffffcp-1], and is strictly smaller - // than the true reciprocal of b. Multiplying a by this reciprocal thus - // gives a numerical q = a/b in Q24 with the following properties: - // - // 1. q < a/b - // 2. q is in the interval [0x1.000000eep-1, 0x1.fffffffcp0) - // 3. the error in q is at most 2^-24 + 2^-27 -- the 2^24 term comes - // from the fact that we truncate the product, and the 2^27 term - // is the error in the reciprocal of b scaled by the maximum - // possible value of a. As a consequence of this error bound, - // either q or nextafter(q) is the correctly rounded - rep_t quotient = (uint64_t)reciprocal*(aSignificand << 1) >> 32; - - // Two cases: quotient is in [0.5, 1.0) or quotient is in [1.0, 2.0). - // In either case, we are going to compute a residual of the form - // - // r = a - q*b - // - // We know from the construction of q that r satisfies: - // - // 0 <= r < ulp(q)*b - // - // if r is greater than 1/2 ulp(q)*b, then q rounds up. Otherwise, we - // already have the correct result. The exact halfway case cannot occur. - // We also take this time to right shift quotient if it falls in the [1,2) - // range and adjust the exponent accordingly. - rep_t residual; - if (quotient < (implicitBit << 1)) { - residual = (aSignificand << 24) - quotient * bSignificand; - quotientExponent--; - } else { - quotient >>= 1; - residual = (aSignificand << 23) - quotient * bSignificand; - } - - const int writtenExponent = quotientExponent + exponentBias; - - if (writtenExponent >= maxExponent) { - // If we have overflowed the exponent, return infinity. - return fromRep(infRep | quotientSign); - } - - else if (writtenExponent < 1) { - // Flush denormals to zero. In the future, it would be nice to add - // code to round them correctly. - return fromRep(quotientSign); - } - - else { - const bool round = (residual << 1) > bSignificand; - // Clear the implicit bit - rep_t absResult = quotient & significandMask; - // Insert the exponent - absResult |= (rep_t)writtenExponent << significandBits; - // Round - absResult += round; - // Insert the sign and return - return fromRep(absResult | quotientSign); - } -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_fdiv(fp_t a, fp_t b) { - return __divsf3(a, b); -} -#else -AEABI_RTABI fp_t __aeabi_fdiv(fp_t a, fp_t b) COMPILER_RT_ALIAS(__divsf3); -#endif -#endif diff --git a/lib/libcompiler_rt/divsi3.c b/lib/libcompiler_rt/divsi3.c deleted file mode 100644 index 75aea008ddc..00000000000 --- a/lib/libcompiler_rt/divsi3.c +++ /dev/null @@ -1,39 +0,0 @@ -/* ===-- divsi3.c - Implement __divsi3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __divsi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a / b */ - -COMPILER_RT_ABI si_int -__divsi3(si_int a, si_int b) -{ - const int bits_in_word_m1 = (int)(sizeof(si_int) * CHAR_BIT) - 1; - si_int s_a = a >> bits_in_word_m1; /* s_a = a < 0 ? -1 : 0 */ - si_int s_b = b >> bits_in_word_m1; /* s_b = b < 0 ? -1 : 0 */ - a = (a ^ s_a) - s_a; /* negate if s_a == -1 */ - b = (b ^ s_b) - s_b; /* negate if s_b == -1 */ - s_a ^= s_b; /* sign of quotient */ - /* - * On CPUs without unsigned hardware division support, - * this calls __udivsi3 (notice the cast to su_int). - * On CPUs with unsigned hardware division support, - * this uses the unsigned division instruction. - */ - return ((su_int)a/(su_int)b ^ s_a) - s_a; /* negate if s_a == -1 */ -} - -#if defined(__ARM_EABI__) -AEABI_RTABI si_int __aeabi_idiv(si_int a, si_int b) COMPILER_RT_ALIAS(__divsi3); -#endif diff --git a/lib/libcompiler_rt/divtc3.c b/lib/libcompiler_rt/divtc3.c deleted file mode 100644 index e5ea00d841e..00000000000 --- a/lib/libcompiler_rt/divtc3.c +++ /dev/null @@ -1,63 +0,0 @@ -/*===-- divtc3.c - Implement __divtc3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __divtc3 for the compiler_rt library. - * - *===----------------------------------------------------------------------=== - */ - -#define QUAD_PRECISION -#include "fp_lib.h" -#include "int_lib.h" -#include "int_math.h" - -/* Returns: the quotient of (a + ib) / (c + id) */ - -COMPILER_RT_ABI Lcomplex -__divtc3(long double __a, long double __b, long double __c, long double __d) -{ - int __ilogbw = 0; - long double __logbw = - __compiler_rt_logbl(crt_fmaxl(crt_fabsl(__c), crt_fabsl(__d))); - if (crt_isfinite(__logbw)) - { - __ilogbw = (int)__logbw; - __c = crt_scalbnl(__c, -__ilogbw); - __d = crt_scalbnl(__d, -__ilogbw); - } - long double __denom = __c * __c + __d * __d; - Lcomplex z; - COMPLEX_REAL(z) = crt_scalbnl((__a * __c + __b * __d) / __denom, -__ilogbw); - COMPLEX_IMAGINARY(z) = crt_scalbnl((__b * __c - __a * __d) / __denom, -__ilogbw); - if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) - { - if ((__denom == 0.0) && (!crt_isnan(__a) || !crt_isnan(__b))) - { - COMPLEX_REAL(z) = crt_copysignl(CRT_INFINITY, __c) * __a; - COMPLEX_IMAGINARY(z) = crt_copysignl(CRT_INFINITY, __c) * __b; - } - else if ((crt_isinf(__a) || crt_isinf(__b)) && - crt_isfinite(__c) && crt_isfinite(__d)) - { - __a = crt_copysignl(crt_isinf(__a) ? 1.0 : 0.0, __a); - __b = crt_copysignl(crt_isinf(__b) ? 1.0 : 0.0, __b); - COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c + __b * __d); - COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__b * __c - __a * __d); - } - else if (crt_isinf(__logbw) && __logbw > 0.0 && - crt_isfinite(__a) && crt_isfinite(__b)) - { - __c = crt_copysignl(crt_isinf(__c) ? 1.0 : 0.0, __c); - __d = crt_copysignl(crt_isinf(__d) ? 1.0 : 0.0, __d); - COMPLEX_REAL(z) = 0.0 * (__a * __c + __b * __d); - COMPLEX_IMAGINARY(z) = 0.0 * (__b * __c - __a * __d); - } - } - return z; -} diff --git a/lib/libcompiler_rt/divtf3.c b/lib/libcompiler_rt/divtf3.c deleted file mode 100644 index e81dab826bd..00000000000 --- a/lib/libcompiler_rt/divtf3.c +++ /dev/null @@ -1,203 +0,0 @@ -//===-- lib/divtf3.c - Quad-precision division --------------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements quad-precision soft-float division -// with the IEEE-754 default rounding (to nearest, ties to even). -// -// For simplicity, this implementation currently flushes denormals to zero. -// It should be a fairly straightforward exercise to implement gradual -// underflow with correct rounding. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -COMPILER_RT_ABI fp_t __divtf3(fp_t a, fp_t b) { - - const unsigned int aExponent = toRep(a) >> significandBits & maxExponent; - const unsigned int bExponent = toRep(b) >> significandBits & maxExponent; - const rep_t quotientSign = (toRep(a) ^ toRep(b)) & signBit; - - rep_t aSignificand = toRep(a) & significandMask; - rep_t bSignificand = toRep(b) & significandMask; - int scale = 0; - - // Detect if a or b is zero, denormal, infinity, or NaN. - if (aExponent-1U >= maxExponent-1U || bExponent-1U >= maxExponent-1U) { - - const rep_t aAbs = toRep(a) & absMask; - const rep_t bAbs = toRep(b) & absMask; - - // NaN / anything = qNaN - if (aAbs > infRep) return fromRep(toRep(a) | quietBit); - // anything / NaN = qNaN - if (bAbs > infRep) return fromRep(toRep(b) | quietBit); - - if (aAbs == infRep) { - // infinity / infinity = NaN - if (bAbs == infRep) return fromRep(qnanRep); - // infinity / anything else = +/- infinity - else return fromRep(aAbs | quotientSign); - } - - // anything else / infinity = +/- 0 - if (bAbs == infRep) return fromRep(quotientSign); - - if (!aAbs) { - // zero / zero = NaN - if (!bAbs) return fromRep(qnanRep); - // zero / anything else = +/- zero - else return fromRep(quotientSign); - } - // anything else / zero = +/- infinity - if (!bAbs) return fromRep(infRep | quotientSign); - - // one or both of a or b is denormal, the other (if applicable) is a - // normal number. Renormalize one or both of a and b, and set scale to - // include the necessary exponent adjustment. - if (aAbs < implicitBit) scale += normalize(&aSignificand); - if (bAbs < implicitBit) scale -= normalize(&bSignificand); - } - - // Or in the implicit significand bit. (If we fell through from the - // denormal path it was already set by normalize( ), but setting it twice - // won't hurt anything.) - aSignificand |= implicitBit; - bSignificand |= implicitBit; - int quotientExponent = aExponent - bExponent + scale; - - // Align the significand of b as a Q63 fixed-point number in the range - // [1, 2.0) and get a Q64 approximate reciprocal using a small minimax - // polynomial approximation: reciprocal = 3/4 + 1/sqrt(2) - b/2. This - // is accurate to about 3.5 binary digits. - const uint64_t q63b = bSignificand >> 49; - uint64_t recip64 = UINT64_C(0x7504f333F9DE6484) - q63b; - // 0x7504f333F9DE6484 / 2^64 + 1 = 3/4 + 1/sqrt(2) - - // Now refine the reciprocal estimate using a Newton-Raphson iteration: - // - // x1 = x0 * (2 - x0 * b) - // - // This doubles the number of correct binary digits in the approximation - // with each iteration. - uint64_t correction64; - correction64 = -((rep_t)recip64 * q63b >> 64); - recip64 = (rep_t)recip64 * correction64 >> 63; - correction64 = -((rep_t)recip64 * q63b >> 64); - recip64 = (rep_t)recip64 * correction64 >> 63; - correction64 = -((rep_t)recip64 * q63b >> 64); - recip64 = (rep_t)recip64 * correction64 >> 63; - correction64 = -((rep_t)recip64 * q63b >> 64); - recip64 = (rep_t)recip64 * correction64 >> 63; - correction64 = -((rep_t)recip64 * q63b >> 64); - recip64 = (rep_t)recip64 * correction64 >> 63; - - // recip64 might have overflowed to exactly zero in the preceeding - // computation if the high word of b is exactly 1.0. This would sabotage - // the full-width final stage of the computation that follows, so we adjust - // recip64 downward by one bit. - recip64--; - - // We need to perform one more iteration to get us to 112 binary digits; - // The last iteration needs to happen with extra precision. - const uint64_t q127blo = bSignificand << 15; - rep_t correction, reciprocal; - - // NOTE: This operation is equivalent to __multi3, which is not implemented - // in some architechure - rep_t r64q63, r64q127, r64cH, r64cL, dummy; - wideMultiply((rep_t)recip64, (rep_t)q63b, &dummy, &r64q63); - wideMultiply((rep_t)recip64, (rep_t)q127blo, &dummy, &r64q127); - - correction = -(r64q63 + (r64q127 >> 64)); - - uint64_t cHi = correction >> 64; - uint64_t cLo = correction; - - wideMultiply((rep_t)recip64, (rep_t)cHi, &dummy, &r64cH); - wideMultiply((rep_t)recip64, (rep_t)cLo, &dummy, &r64cL); - - reciprocal = r64cH + (r64cL >> 64); - - // We already adjusted the 64-bit estimate, now we need to adjust the final - // 128-bit reciprocal estimate downward to ensure that it is strictly smaller - // than the infinitely precise exact reciprocal. Because the computation - // of the Newton-Raphson step is truncating at every step, this adjustment - // is small; most of the work is already done. - reciprocal -= 2; - - // The numerical reciprocal is accurate to within 2^-112, lies in the - // interval [0.5, 1.0), and is strictly smaller than the true reciprocal - // of b. Multiplying a by this reciprocal thus gives a numerical q = a/b - // in Q127 with the following properties: - // - // 1. q < a/b - // 2. q is in the interval [0.5, 2.0) - // 3. the error in q is bounded away from 2^-113 (actually, we have a - // couple of bits to spare, but this is all we need). - - // We need a 128 x 128 multiply high to compute q, which isn't a basic - // operation in C, so we need to be a little bit fussy. - rep_t quotient, quotientLo; - wideMultiply(aSignificand << 2, reciprocal, "ient, "ientLo); - - // Two cases: quotient is in [0.5, 1.0) or quotient is in [1.0, 2.0). - // In either case, we are going to compute a residual of the form - // - // r = a - q*b - // - // We know from the construction of q that r satisfies: - // - // 0 <= r < ulp(q)*b - // - // if r is greater than 1/2 ulp(q)*b, then q rounds up. Otherwise, we - // already have the correct result. The exact halfway case cannot occur. - // We also take this time to right shift quotient if it falls in the [1,2) - // range and adjust the exponent accordingly. - rep_t residual; - rep_t qb; - - if (quotient < (implicitBit << 1)) { - wideMultiply(quotient, bSignificand, &dummy, &qb); - residual = (aSignificand << 113) - qb; - quotientExponent--; - } else { - quotient >>= 1; - wideMultiply(quotient, bSignificand, &dummy, &qb); - residual = (aSignificand << 112) - qb; - } - - const int writtenExponent = quotientExponent + exponentBias; - - if (writtenExponent >= maxExponent) { - // If we have overflowed the exponent, return infinity. - return fromRep(infRep | quotientSign); - } - else if (writtenExponent < 1) { - // Flush denormals to zero. In the future, it would be nice to add - // code to round them correctly. - return fromRep(quotientSign); - } - else { - const bool round = (residual << 1) >= bSignificand; - // Clear the implicit bit - rep_t absResult = quotient & significandMask; - // Insert the exponent - absResult |= (rep_t)writtenExponent << significandBits; - // Round - absResult += round; - // Insert the sign and return - const long double result = fromRep(absResult | quotientSign); - return result; - } -} - -#endif diff --git a/lib/libcompiler_rt/divti3.c b/lib/libcompiler_rt/divti3.c deleted file mode 100644 index c73eae28fe0..00000000000 --- a/lib/libcompiler_rt/divti3.c +++ /dev/null @@ -1,33 +0,0 @@ -/* ===-- divti3.c - Implement __divti3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __divti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: a / b */ - -COMPILER_RT_ABI ti_int -__divti3(ti_int a, ti_int b) -{ - const int bits_in_tword_m1 = (int)(sizeof(ti_int) * CHAR_BIT) - 1; - ti_int s_a = a >> bits_in_tword_m1; /* s_a = a < 0 ? -1 : 0 */ - ti_int s_b = b >> bits_in_tword_m1; /* s_b = b < 0 ? -1 : 0 */ - a = (a ^ s_a) - s_a; /* negate if s_a == -1 */ - b = (b ^ s_b) - s_b; /* negate if s_b == -1 */ - s_a ^= s_b; /* sign of quotient */ - return (__udivmodti4(a, b, (tu_int*)0) ^ s_a) - s_a; /* negate if s_a == -1 */ -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/divxc3.c b/lib/libcompiler_rt/divxc3.c deleted file mode 100644 index 6f49280e5f6..00000000000 --- a/lib/libcompiler_rt/divxc3.c +++ /dev/null @@ -1,63 +0,0 @@ -/* ===-- divxc3.c - Implement __divxc3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __divxc3 for the compiler_rt library. - * - */ - -#if !_ARCH_PPC - -#include "int_lib.h" -#include "int_math.h" - -/* Returns: the quotient of (a + ib) / (c + id) */ - -COMPILER_RT_ABI Lcomplex -__divxc3(long double __a, long double __b, long double __c, long double __d) -{ - int __ilogbw = 0; - long double __logbw = crt_logbl(crt_fmaxl(crt_fabsl(__c), crt_fabsl(__d))); - if (crt_isfinite(__logbw)) - { - __ilogbw = (int)__logbw; - __c = crt_scalbnl(__c, -__ilogbw); - __d = crt_scalbnl(__d, -__ilogbw); - } - long double __denom = __c * __c + __d * __d; - Lcomplex z; - COMPLEX_REAL(z) = crt_scalbnl((__a * __c + __b * __d) / __denom, -__ilogbw); - COMPLEX_IMAGINARY(z) = crt_scalbnl((__b * __c - __a * __d) / __denom, -__ilogbw); - if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) - { - if ((__denom == 0) && (!crt_isnan(__a) || !crt_isnan(__b))) - { - COMPLEX_REAL(z) = crt_copysignl(CRT_INFINITY, __c) * __a; - COMPLEX_IMAGINARY(z) = crt_copysignl(CRT_INFINITY, __c) * __b; - } - else if ((crt_isinf(__a) || crt_isinf(__b)) && - crt_isfinite(__c) && crt_isfinite(__d)) - { - __a = crt_copysignl(crt_isinf(__a) ? 1 : 0, __a); - __b = crt_copysignl(crt_isinf(__b) ? 1 : 0, __b); - COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c + __b * __d); - COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__b * __c - __a * __d); - } - else if (crt_isinf(__logbw) && __logbw > 0 && - crt_isfinite(__a) && crt_isfinite(__b)) - { - __c = crt_copysignl(crt_isinf(__c) ? 1 : 0, __c); - __d = crt_copysignl(crt_isinf(__d) ? 1 : 0, __d); - COMPLEX_REAL(z) = 0 * (__a * __c + __b * __d); - COMPLEX_IMAGINARY(z) = 0 * (__b * __c - __a * __d); - } - } - return z; -} - -#endif diff --git a/lib/libcompiler_rt/emutls.c b/lib/libcompiler_rt/emutls.c deleted file mode 100644 index ef95a1c260c..00000000000 --- a/lib/libcompiler_rt/emutls.c +++ /dev/null @@ -1,405 +0,0 @@ -/* ===---------- emutls.c - Implements __emutls_get_address ---------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ -#include <stdint.h> -#include <stdlib.h> -#include <string.h> - -#include "int_lib.h" -#include "int_util.h" - -#ifdef __BIONIC__ -/* There are 4 pthread key cleanup rounds on Bionic. Delay emutls deallocation - to round 2. We need to delay deallocation because: - - Android versions older than M lack __cxa_thread_atexit_impl, so apps - use a pthread key destructor to call C++ destructors. - - Apps might use __thread/thread_local variables in pthread destructors. - We can't wait until the final two rounds, because jemalloc needs two rounds - after the final malloc/free call to free its thread-specific data (see - https://reviews.llvm.org/D46978#1107507). */ -#define EMUTLS_SKIP_DESTRUCTOR_ROUNDS 1 -#else -#define EMUTLS_SKIP_DESTRUCTOR_ROUNDS 0 -#endif - -typedef struct emutls_address_array { - uintptr_t skip_destructor_rounds; - uintptr_t size; /* number of elements in the 'data' array */ - void* data[]; -} emutls_address_array; - -static void emutls_shutdown(emutls_address_array *array); - -#ifndef _WIN32 - -#include <pthread.h> - -static pthread_mutex_t emutls_mutex = PTHREAD_MUTEX_INITIALIZER; -static pthread_key_t emutls_pthread_key; -static bool emutls_key_created = false; - -typedef unsigned int gcc_word __attribute__((mode(word))); -typedef unsigned int gcc_pointer __attribute__((mode(pointer))); - -/* Default is not to use posix_memalign, so systems like Android - * can use thread local data without heavier POSIX memory allocators. - */ -#ifndef EMUTLS_USE_POSIX_MEMALIGN -#define EMUTLS_USE_POSIX_MEMALIGN 0 -#endif - -static __inline void *emutls_memalign_alloc(size_t align, size_t size) { - void *base; -#if EMUTLS_USE_POSIX_MEMALIGN - if (posix_memalign(&base, align, size) != 0) - abort(); -#else - #define EXTRA_ALIGN_PTR_BYTES (align - 1 + sizeof(void*)) - char* object; - if ((object = (char*)malloc(EXTRA_ALIGN_PTR_BYTES + size)) == NULL) - abort(); - base = (void*)(((uintptr_t)(object + EXTRA_ALIGN_PTR_BYTES)) - & ~(uintptr_t)(align - 1)); - - ((void**)base)[-1] = object; -#endif - return base; -} - -static __inline void emutls_memalign_free(void *base) { -#if EMUTLS_USE_POSIX_MEMALIGN - free(base); -#else - /* The mallocated address is in ((void**)base)[-1] */ - free(((void**)base)[-1]); -#endif -} - -static __inline void emutls_setspecific(emutls_address_array *value) { - pthread_setspecific(emutls_pthread_key, (void*) value); -} - -static __inline emutls_address_array* emutls_getspecific() { - return (emutls_address_array*) pthread_getspecific(emutls_pthread_key); -} - -static void emutls_key_destructor(void* ptr) { - emutls_address_array *array = (emutls_address_array*)ptr; - if (array->skip_destructor_rounds > 0) { - /* emutls is deallocated using a pthread key destructor. These - * destructors are called in several rounds to accommodate destructor - * functions that (re)initialize key values with pthread_setspecific. - * Delay the emutls deallocation to accommodate other end-of-thread - * cleanup tasks like calling thread_local destructors (e.g. the - * __cxa_thread_atexit fallback in libc++abi). - */ - array->skip_destructor_rounds--; - emutls_setspecific(array); - } else { - emutls_shutdown(array); - free(ptr); - } -} - -static __inline void emutls_init(void) { - if (pthread_key_create(&emutls_pthread_key, emutls_key_destructor) != 0) - abort(); - emutls_key_created = true; -} - -static __inline void emutls_init_once(void) { - static pthread_once_t once = PTHREAD_ONCE_INIT; - pthread_once(&once, emutls_init); -} - -static __inline void emutls_lock() { - pthread_mutex_lock(&emutls_mutex); -} - -static __inline void emutls_unlock() { - pthread_mutex_unlock(&emutls_mutex); -} - -#else /* _WIN32 */ - -#include <windows.h> -#include <malloc.h> -#include <stdio.h> -#include <assert.h> - -static LPCRITICAL_SECTION emutls_mutex; -static DWORD emutls_tls_index = TLS_OUT_OF_INDEXES; - -typedef uintptr_t gcc_word; -typedef void * gcc_pointer; - -static void win_error(DWORD last_err, const char *hint) { - char *buffer = NULL; - if (FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | - FORMAT_MESSAGE_FROM_SYSTEM | - FORMAT_MESSAGE_MAX_WIDTH_MASK, - NULL, last_err, 0, (LPSTR)&buffer, 1, NULL)) { - fprintf(stderr, "Windows error: %s\n", buffer); - } else { - fprintf(stderr, "Unkown Windows error: %s\n", hint); - } - LocalFree(buffer); -} - -static __inline void win_abort(DWORD last_err, const char *hint) { - win_error(last_err, hint); - abort(); -} - -static __inline void *emutls_memalign_alloc(size_t align, size_t size) { - void *base = _aligned_malloc(size, align); - if (!base) - win_abort(GetLastError(), "_aligned_malloc"); - return base; -} - -static __inline void emutls_memalign_free(void *base) { - _aligned_free(base); -} - -static void emutls_exit(void) { - if (emutls_mutex) { - DeleteCriticalSection(emutls_mutex); - _aligned_free(emutls_mutex); - emutls_mutex = NULL; - } - if (emutls_tls_index != TLS_OUT_OF_INDEXES) { - emutls_shutdown((emutls_address_array*)TlsGetValue(emutls_tls_index)); - TlsFree(emutls_tls_index); - emutls_tls_index = TLS_OUT_OF_INDEXES; - } -} - -#pragma warning (push) -#pragma warning (disable : 4100) -static BOOL CALLBACK emutls_init(PINIT_ONCE p0, PVOID p1, PVOID *p2) { - emutls_mutex = (LPCRITICAL_SECTION)_aligned_malloc(sizeof(CRITICAL_SECTION), 16); - if (!emutls_mutex) { - win_error(GetLastError(), "_aligned_malloc"); - return FALSE; - } - InitializeCriticalSection(emutls_mutex); - - emutls_tls_index = TlsAlloc(); - if (emutls_tls_index == TLS_OUT_OF_INDEXES) { - emutls_exit(); - win_error(GetLastError(), "TlsAlloc"); - return FALSE; - } - atexit(&emutls_exit); - return TRUE; -} - -static __inline void emutls_init_once(void) { - static INIT_ONCE once; - InitOnceExecuteOnce(&once, emutls_init, NULL, NULL); -} - -static __inline void emutls_lock() { - EnterCriticalSection(emutls_mutex); -} - -static __inline void emutls_unlock() { - LeaveCriticalSection(emutls_mutex); -} - -static __inline void emutls_setspecific(emutls_address_array *value) { - if (TlsSetValue(emutls_tls_index, (LPVOID) value) == 0) - win_abort(GetLastError(), "TlsSetValue"); -} - -static __inline emutls_address_array* emutls_getspecific() { - LPVOID value = TlsGetValue(emutls_tls_index); - if (value == NULL) { - const DWORD err = GetLastError(); - if (err != ERROR_SUCCESS) - win_abort(err, "TlsGetValue"); - } - return (emutls_address_array*) value; -} - -/* Provide atomic load/store functions for emutls_get_index if built with MSVC. - */ -#if !defined(__ATOMIC_RELEASE) -#include <intrin.h> - -enum { __ATOMIC_ACQUIRE = 2, __ATOMIC_RELEASE = 3 }; - -static __inline uintptr_t __atomic_load_n(void *ptr, unsigned type) { - assert(type == __ATOMIC_ACQUIRE); - // These return the previous value - but since we do an OR with 0, - // it's equivalent to a plain load. -#ifdef _WIN64 - return InterlockedOr64(ptr, 0); -#else - return InterlockedOr(ptr, 0); -#endif -} - -static __inline void __atomic_store_n(void *ptr, uintptr_t val, unsigned type) { - assert(type == __ATOMIC_RELEASE); - InterlockedExchangePointer((void *volatile *)ptr, (void *)val); -} - -#endif /* __ATOMIC_RELEASE */ - -#pragma warning (pop) - -#endif /* _WIN32 */ - -static size_t emutls_num_object = 0; /* number of allocated TLS objects */ - -/* Free the allocated TLS data - */ -static void emutls_shutdown(emutls_address_array *array) { - if (array) { - uintptr_t i; - for (i = 0; i < array->size; ++i) { - if (array->data[i]) - emutls_memalign_free(array->data[i]); - } - } -} - -/* For every TLS variable xyz, - * there is one __emutls_control variable named __emutls_v.xyz. - * If xyz has non-zero initial value, __emutls_v.xyz's "value" - * will point to __emutls_t.xyz, which has the initial value. - */ -typedef struct __emutls_control { - /* Must use gcc_word here, instead of size_t, to match GCC. When - gcc_word is larger than size_t, the upper extra bits are all - zeros. We can use variables of size_t to operate on size and - align. */ - gcc_word size; /* size of the object in bytes */ - gcc_word align; /* alignment of the object in bytes */ - union { - uintptr_t index; /* data[index-1] is the object address */ - void* address; /* object address, when in single thread env */ - } object; - void* value; /* null or non-zero initial value for the object */ -} __emutls_control; - -/* Emulated TLS objects are always allocated at run-time. */ -static __inline void *emutls_allocate_object(__emutls_control *control) { - /* Use standard C types, check with gcc's emutls.o. */ - COMPILE_TIME_ASSERT(sizeof(uintptr_t) == sizeof(gcc_pointer)); - COMPILE_TIME_ASSERT(sizeof(uintptr_t) == sizeof(void*)); - - size_t size = control->size; - size_t align = control->align; - void* base; - if (align < sizeof(void*)) - align = sizeof(void*); - /* Make sure that align is power of 2. */ - if ((align & (align - 1)) != 0) - abort(); - - base = emutls_memalign_alloc(align, size); - if (control->value) - memcpy(base, control->value, size); - else - memset(base, 0, size); - return base; -} - - -/* Returns control->object.index; set index if not allocated yet. */ -static __inline uintptr_t emutls_get_index(__emutls_control *control) { - uintptr_t index = __atomic_load_n(&control->object.index, __ATOMIC_ACQUIRE); - if (!index) { - emutls_init_once(); - emutls_lock(); - index = control->object.index; - if (!index) { - index = ++emutls_num_object; - __atomic_store_n(&control->object.index, index, __ATOMIC_RELEASE); - } - emutls_unlock(); - } - return index; -} - -/* Updates newly allocated thread local emutls_address_array. */ -static __inline void emutls_check_array_set_size(emutls_address_array *array, - uintptr_t size) { - if (array == NULL) - abort(); - array->size = size; - emutls_setspecific(array); -} - -/* Returns the new 'data' array size, number of elements, - * which must be no smaller than the given index. - */ -static __inline uintptr_t emutls_new_data_array_size(uintptr_t index) { - /* Need to allocate emutls_address_array with extra slots - * to store the header. - * Round up the emutls_address_array size to multiple of 16. - */ - uintptr_t header_words = sizeof(emutls_address_array) / sizeof(void *); - return ((index + header_words + 15) & ~((uintptr_t)15)) - header_words; -} - -/* Returns the size in bytes required for an emutls_address_array with - * N number of elements for data field. - */ -static __inline uintptr_t emutls_asize(uintptr_t N) { - return N * sizeof(void *) + sizeof(emutls_address_array); -} - -/* Returns the thread local emutls_address_array. - * Extends its size if necessary to hold address at index. - */ -static __inline emutls_address_array * -emutls_get_address_array(uintptr_t index) { - emutls_address_array* array = emutls_getspecific(); - if (array == NULL) { - uintptr_t new_size = emutls_new_data_array_size(index); - array = (emutls_address_array*) malloc(emutls_asize(new_size)); - if (array) { - memset(array->data, 0, new_size * sizeof(void*)); - array->skip_destructor_rounds = EMUTLS_SKIP_DESTRUCTOR_ROUNDS; - } - emutls_check_array_set_size(array, new_size); - } else if (index > array->size) { - uintptr_t orig_size = array->size; - uintptr_t new_size = emutls_new_data_array_size(index); - array = (emutls_address_array*) realloc(array, emutls_asize(new_size)); - if (array) - memset(array->data + orig_size, 0, - (new_size - orig_size) * sizeof(void*)); - emutls_check_array_set_size(array, new_size); - } - return array; -} - -void* __emutls_get_address(__emutls_control* control) { - uintptr_t index = emutls_get_index(control); - emutls_address_array* array = emutls_get_address_array(index--); - if (array->data[index] == NULL) - array->data[index] = emutls_allocate_object(control); - return array->data[index]; -} - -#ifdef __BIONIC__ -/* Called by Bionic on dlclose to delete the emutls pthread key. */ -__attribute__((visibility("hidden"))) -void __emutls_unregister_key(void) { - if (emutls_key_created) { - pthread_key_delete(emutls_pthread_key); - emutls_key_created = false; - } -} -#endif diff --git a/lib/libcompiler_rt/enable_execute_stack.c b/lib/libcompiler_rt/enable_execute_stack.c deleted file mode 100644 index 327d460b425..00000000000 --- a/lib/libcompiler_rt/enable_execute_stack.c +++ /dev/null @@ -1,72 +0,0 @@ -/* ===-- enable_execute_stack.c - Implement __enable_execute_stack ---------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifndef _WIN32 -#include <sys/mman.h> -#endif - -/* #include "config.h" - * FIXME: CMake - include when cmake system is ready. - * Remove #define HAVE_SYSCONF 1 line. - */ -#define HAVE_SYSCONF 1 - -#ifdef _WIN32 -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#else -#ifndef __APPLE__ -#include <unistd.h> -#endif /* __APPLE__ */ -#endif /* _WIN32 */ - -#if __LP64__ - #define TRAMPOLINE_SIZE 48 -#else - #define TRAMPOLINE_SIZE 40 -#endif - -/* - * The compiler generates calls to __enable_execute_stack() when creating - * trampoline functions on the stack for use with nested functions. - * It is expected to mark the page(s) containing the address - * and the next 48 bytes as executable. Since the stack is normally rw- - * that means changing the protection on those page(s) to rwx. - */ - -COMPILER_RT_ABI void -__enable_execute_stack(void* addr) -{ - -#if _WIN32 - MEMORY_BASIC_INFORMATION mbi; - if (!VirtualQuery (addr, &mbi, sizeof(mbi))) - return; /* We should probably assert here because there is no return value */ - VirtualProtect (mbi.BaseAddress, mbi.RegionSize, PAGE_EXECUTE_READWRITE, &mbi.Protect); -#else -#if __APPLE__ - /* On Darwin, pagesize is always 4096 bytes */ - const uintptr_t pageSize = 4096; -#elif !defined(HAVE_SYSCONF) -#error "HAVE_SYSCONF not defined! See enable_execute_stack.c" -#else - const uintptr_t pageSize = sysconf(_SC_PAGESIZE); -#endif /* __APPLE__ */ - - const uintptr_t pageAlignMask = ~(pageSize-1); - uintptr_t p = (uintptr_t)addr; - unsigned char* startPage = (unsigned char*)(p & pageAlignMask); - unsigned char* endPage = (unsigned char*)((p+TRAMPOLINE_SIZE+pageSize) & pageAlignMask); - size_t length = endPage - startPage; - (void) mprotect((void *)startPage, length, PROT_READ | PROT_WRITE | PROT_EXEC); -#endif -} diff --git a/lib/libcompiler_rt/eprintf.c b/lib/libcompiler_rt/eprintf.c deleted file mode 100644 index 89f34b15457..00000000000 --- a/lib/libcompiler_rt/eprintf.c +++ /dev/null @@ -1,35 +0,0 @@ -/* ===---------- eprintf.c - Implements __eprintf --------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - - - -#include "int_lib.h" -#include <stdio.h> - - -/* - * __eprintf() was used in an old version of <assert.h>. - * It can eventually go away, but it is needed when linking - * .o files built with the old <assert.h>. - * - * It should never be exported from a dylib, so it is marked - * visibility hidden. - */ -#ifndef _WIN32 -__attribute__((visibility("hidden"))) -#endif -COMPILER_RT_ABI void -__eprintf(const char* format, const char* assertion_expression, - const char* line, const char* file) -{ - fprintf(stderr, format, assertion_expression, line, file); - fflush(stderr); - compilerrt_abort(); -} diff --git a/lib/libcompiler_rt/extenddftf2.c b/lib/libcompiler_rt/extenddftf2.c deleted file mode 100644 index 86dab8f03a8..00000000000 --- a/lib/libcompiler_rt/extenddftf2.c +++ /dev/null @@ -1,23 +0,0 @@ -//===-- lib/extenddftf2.c - double -> quad conversion -------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -#define SRC_DOUBLE -#define DST_QUAD -#include "fp_extend_impl.inc" - -COMPILER_RT_ABI long double __extenddftf2(double a) { - return __extendXfYf2__(a); -} - -#endif diff --git a/lib/libcompiler_rt/extendhfsf2.c b/lib/libcompiler_rt/extendhfsf2.c deleted file mode 100644 index d9c0db84b0c..00000000000 --- a/lib/libcompiler_rt/extendhfsf2.c +++ /dev/null @@ -1,33 +0,0 @@ -//===-- lib/extendhfsf2.c - half -> single conversion -------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// - -#define SRC_HALF -#define DST_SINGLE -#include "fp_extend_impl.inc" - -// Use a forwarding definition and noinline to implement a poor man's alias, -// as there isn't a good cross-platform way of defining one. -COMPILER_RT_ABI NOINLINE float __extendhfsf2(uint16_t a) { - return __extendXfYf2__(a); -} - -COMPILER_RT_ABI float __gnu_h2f_ieee(uint16_t a) { - return __extendhfsf2(a); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI float __aeabi_h2f(uint16_t a) { - return __extendhfsf2(a); -} -#else -AEABI_RTABI float __aeabi_h2f(uint16_t a) COMPILER_RT_ALIAS(__extendhfsf2); -#endif -#endif diff --git a/lib/libcompiler_rt/extendsfdf2.c b/lib/libcompiler_rt/extendsfdf2.c deleted file mode 100644 index 3d84529a6c5..00000000000 --- a/lib/libcompiler_rt/extendsfdf2.c +++ /dev/null @@ -1,27 +0,0 @@ -//===-- lib/extendsfdf2.c - single -> double conversion -----------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// - -#define SRC_SINGLE -#define DST_DOUBLE -#include "fp_extend_impl.inc" - -COMPILER_RT_ABI double __extendsfdf2(float a) { - return __extendXfYf2__(a); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI double __aeabi_f2d(float a) { - return __extendsfdf2(a); -} -#else -AEABI_RTABI double __aeabi_f2d(float a) COMPILER_RT_ALIAS(__extendsfdf2); -#endif -#endif diff --git a/lib/libcompiler_rt/extendsftf2.c b/lib/libcompiler_rt/extendsftf2.c deleted file mode 100644 index 2eeeba28484..00000000000 --- a/lib/libcompiler_rt/extendsftf2.c +++ /dev/null @@ -1,23 +0,0 @@ -//===-- lib/extendsftf2.c - single -> quad conversion -------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -#define SRC_SINGLE -#define DST_QUAD -#include "fp_extend_impl.inc" - -COMPILER_RT_ABI long double __extendsftf2(float a) { - return __extendXfYf2__(a); -} - -#endif diff --git a/lib/libcompiler_rt/ffsdi2.c b/lib/libcompiler_rt/ffsdi2.c deleted file mode 100644 index a5ac9900ff1..00000000000 --- a/lib/libcompiler_rt/ffsdi2.c +++ /dev/null @@ -1,33 +0,0 @@ -/* ===-- ffsdi2.c - Implement __ffsdi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ffsdi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: the index of the least significant 1-bit in a, or - * the value zero if a is zero. The least significant bit is index one. - */ - -COMPILER_RT_ABI si_int -__ffsdi2(di_int a) -{ - dwords x; - x.all = a; - if (x.s.low == 0) - { - if (x.s.high == 0) - return 0; - return __builtin_ctz(x.s.high) + (1 + sizeof(si_int) * CHAR_BIT); - } - return __builtin_ctz(x.s.low) + 1; -} diff --git a/lib/libcompiler_rt/ffssi2.c b/lib/libcompiler_rt/ffssi2.c deleted file mode 100644 index e5180eff5e0..00000000000 --- a/lib/libcompiler_rt/ffssi2.c +++ /dev/null @@ -1,29 +0,0 @@ -/* ===-- ffssi2.c - Implement __ffssi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ffssi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: the index of the least significant 1-bit in a, or - * the value zero if a is zero. The least significant bit is index one. - */ - -COMPILER_RT_ABI si_int -__ffssi2(si_int a) -{ - if (a == 0) - { - return 0; - } - return __builtin_ctz(a) + 1; -} diff --git a/lib/libcompiler_rt/ffsti2.c b/lib/libcompiler_rt/ffsti2.c deleted file mode 100644 index dcdb3bd7f80..00000000000 --- a/lib/libcompiler_rt/ffsti2.c +++ /dev/null @@ -1,37 +0,0 @@ -/* ===-- ffsti2.c - Implement __ffsti2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ffsti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: the index of the least significant 1-bit in a, or - * the value zero if a is zero. The least significant bit is index one. - */ - -COMPILER_RT_ABI si_int -__ffsti2(ti_int a) -{ - twords x; - x.all = a; - if (x.s.low == 0) - { - if (x.s.high == 0) - return 0; - return __builtin_ctzll(x.s.high) + (1 + sizeof(di_int) * CHAR_BIT); - } - return __builtin_ctzll(x.s.low) + 1; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/fixdfdi.c b/lib/libcompiler_rt/fixdfdi.c deleted file mode 100644 index 54e312d3c8f..00000000000 --- a/lib/libcompiler_rt/fixdfdi.c +++ /dev/null @@ -1,55 +0,0 @@ -/* ===-- fixdfdi.c - Implement __fixdfdi -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define DOUBLE_PRECISION -#include "fp_lib.h" - -#ifndef __SOFT_FP__ -/* Support for systems that have hardware floating-point; can set the invalid - * flag as a side-effect of computation. - */ - -COMPILER_RT_ABI du_int __fixunsdfdi(double a); - -COMPILER_RT_ABI di_int -__fixdfdi(double a) -{ - if (a < 0.0) { - return -__fixunsdfdi(-a); - } - return __fixunsdfdi(a); -} - -#else -/* Support for systems that don't have hardware floating-point; there are no - * flags to set, and we don't want to code-gen to an unknown soft-float - * implementation. - */ - -typedef di_int fixint_t; -typedef du_int fixuint_t; -#include "fp_fixint_impl.inc" - -COMPILER_RT_ABI di_int -__fixdfdi(fp_t a) { - return __fixint(a); -} - -#endif - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI di_int __aeabi_d2lz(fp_t a) { - return __fixdfdi(a); -} -#else -AEABI_RTABI di_int __aeabi_d2lz(fp_t a) COMPILER_RT_ALIAS(__fixdfdi); -#endif -#endif diff --git a/lib/libcompiler_rt/fixdfsi.c b/lib/libcompiler_rt/fixdfsi.c deleted file mode 100644 index 5b958817571..00000000000 --- a/lib/libcompiler_rt/fixdfsi.c +++ /dev/null @@ -1,30 +0,0 @@ -/* ===-- fixdfsi.c - Implement __fixdfsi -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define DOUBLE_PRECISION -#include "fp_lib.h" -typedef si_int fixint_t; -typedef su_int fixuint_t; -#include "fp_fixint_impl.inc" - -COMPILER_RT_ABI si_int -__fixdfsi(fp_t a) { - return __fixint(a); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI si_int __aeabi_d2iz(fp_t a) { - return __fixdfsi(a); -} -#else -AEABI_RTABI si_int __aeabi_d2iz(fp_t a) COMPILER_RT_ALIAS(__fixdfsi); -#endif -#endif diff --git a/lib/libcompiler_rt/fixdfti.c b/lib/libcompiler_rt/fixdfti.c deleted file mode 100644 index aaf225e74f8..00000000000 --- a/lib/libcompiler_rt/fixdfti.c +++ /dev/null @@ -1,26 +0,0 @@ -/* ===-- fixdfti.c - Implement __fixdfti -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT -#define DOUBLE_PRECISION -#include "fp_lib.h" - -typedef ti_int fixint_t; -typedef tu_int fixuint_t; -#include "fp_fixint_impl.inc" - -COMPILER_RT_ABI ti_int -__fixdfti(fp_t a) { - return __fixint(a); -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/fixsfdi.c b/lib/libcompiler_rt/fixsfdi.c deleted file mode 100644 index 32e87c60889..00000000000 --- a/lib/libcompiler_rt/fixsfdi.c +++ /dev/null @@ -1,55 +0,0 @@ -/* ===-- fixsfdi.c - Implement __fixsfdi -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define SINGLE_PRECISION -#include "fp_lib.h" - -#ifndef __SOFT_FP__ -/* Support for systems that have hardware floating-point; can set the invalid - * flag as a side-effect of computation. - */ - -COMPILER_RT_ABI du_int __fixunssfdi(float a); - -COMPILER_RT_ABI di_int -__fixsfdi(float a) -{ - if (a < 0.0f) { - return -__fixunssfdi(-a); - } - return __fixunssfdi(a); -} - -#else -/* Support for systems that don't have hardware floating-point; there are no - * flags to set, and we don't want to code-gen to an unknown soft-float - * implementation. - */ - -typedef di_int fixint_t; -typedef du_int fixuint_t; -#include "fp_fixint_impl.inc" - -COMPILER_RT_ABI di_int -__fixsfdi(fp_t a) { - return __fixint(a); -} - -#endif - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI di_int __aeabi_f2lz(fp_t a) { - return __fixsfdi(a); -} -#else -AEABI_RTABI di_int __aeabi_f2lz(fp_t a) COMPILER_RT_ALIAS(__fixsfdi); -#endif -#endif diff --git a/lib/libcompiler_rt/fixsfsi.c b/lib/libcompiler_rt/fixsfsi.c deleted file mode 100644 index e94e5f3dcd6..00000000000 --- a/lib/libcompiler_rt/fixsfsi.c +++ /dev/null @@ -1,30 +0,0 @@ -/* ===-- fixsfsi.c - Implement __fixsfsi -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define SINGLE_PRECISION -#include "fp_lib.h" -typedef si_int fixint_t; -typedef su_int fixuint_t; -#include "fp_fixint_impl.inc" - -COMPILER_RT_ABI si_int -__fixsfsi(fp_t a) { - return __fixint(a); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI si_int __aeabi_f2iz(fp_t a) { - return __fixsfsi(a); -} -#else -AEABI_RTABI si_int __aeabi_f2iz(fp_t a) COMPILER_RT_ALIAS(__fixsfsi); -#endif -#endif diff --git a/lib/libcompiler_rt/fixsfti.c b/lib/libcompiler_rt/fixsfti.c deleted file mode 100644 index 3a159b3e18e..00000000000 --- a/lib/libcompiler_rt/fixsfti.c +++ /dev/null @@ -1,26 +0,0 @@ -/* ===-- fixsfti.c - Implement __fixsfti -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT -#define SINGLE_PRECISION -#include "fp_lib.h" - -typedef ti_int fixint_t; -typedef tu_int fixuint_t; -#include "fp_fixint_impl.inc" - -COMPILER_RT_ABI ti_int -__fixsfti(fp_t a) { - return __fixint(a); -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/fixtfdi.c b/lib/libcompiler_rt/fixtfdi.c deleted file mode 100644 index bc9dea1f4f8..00000000000 --- a/lib/libcompiler_rt/fixtfdi.c +++ /dev/null @@ -1,23 +0,0 @@ -/* ===-- fixtfdi.c - Implement __fixtfdi -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -typedef di_int fixint_t; -typedef du_int fixuint_t; -#include "fp_fixint_impl.inc" - -COMPILER_RT_ABI di_int -__fixtfdi(fp_t a) { - return __fixint(a); -} -#endif diff --git a/lib/libcompiler_rt/fixtfsi.c b/lib/libcompiler_rt/fixtfsi.c deleted file mode 100644 index feb3de88509..00000000000 --- a/lib/libcompiler_rt/fixtfsi.c +++ /dev/null @@ -1,23 +0,0 @@ -/* ===-- fixtfsi.c - Implement __fixtfsi -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -typedef si_int fixint_t; -typedef su_int fixuint_t; -#include "fp_fixint_impl.inc" - -COMPILER_RT_ABI si_int -__fixtfsi(fp_t a) { - return __fixint(a); -} -#endif diff --git a/lib/libcompiler_rt/fixtfti.c b/lib/libcompiler_rt/fixtfti.c deleted file mode 100644 index ee4ada85cb4..00000000000 --- a/lib/libcompiler_rt/fixtfti.c +++ /dev/null @@ -1,23 +0,0 @@ -/* ===-- fixtfti.c - Implement __fixtfti -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -typedef ti_int fixint_t; -typedef tu_int fixuint_t; -#include "fp_fixint_impl.inc" - -COMPILER_RT_ABI ti_int -__fixtfti(fp_t a) { - return __fixint(a); -} -#endif diff --git a/lib/libcompiler_rt/fixunsdfdi.c b/lib/libcompiler_rt/fixunsdfdi.c deleted file mode 100644 index bfe4dbb2565..00000000000 --- a/lib/libcompiler_rt/fixunsdfdi.c +++ /dev/null @@ -1,52 +0,0 @@ -/* ===-- fixunsdfdi.c - Implement __fixunsdfdi -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define DOUBLE_PRECISION -#include "fp_lib.h" - -#ifndef __SOFT_FP__ -/* Support for systems that have hardware floating-point; can set the invalid - * flag as a side-effect of computation. - */ - -COMPILER_RT_ABI du_int -__fixunsdfdi(double a) -{ - if (a <= 0.0) return 0; - su_int high = a / 4294967296.f; /* a / 0x1p32f; */ - su_int low = a - (double)high * 4294967296.f; /* high * 0x1p32f; */ - return ((du_int)high << 32) | low; -} - -#else -/* Support for systems that don't have hardware floating-point; there are no - * flags to set, and we don't want to code-gen to an unknown soft-float - * implementation. - */ - -typedef du_int fixuint_t; -#include "fp_fixuint_impl.inc" - -COMPILER_RT_ABI du_int -__fixunsdfdi(fp_t a) { - return __fixuint(a); -} - -#endif - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI du_int __aeabi_d2ulz(fp_t a) { - return __fixunsdfdi(a); -} -#else -AEABI_RTABI du_int __aeabi_d2ulz(fp_t a) COMPILER_RT_ALIAS(__fixunsdfdi); -#endif -#endif diff --git a/lib/libcompiler_rt/fixunsdfsi.c b/lib/libcompiler_rt/fixunsdfsi.c deleted file mode 100644 index 3c5355beae1..00000000000 --- a/lib/libcompiler_rt/fixunsdfsi.c +++ /dev/null @@ -1,29 +0,0 @@ -/* ===-- fixunsdfsi.c - Implement __fixunsdfsi -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define DOUBLE_PRECISION -#include "fp_lib.h" -typedef su_int fixuint_t; -#include "fp_fixuint_impl.inc" - -COMPILER_RT_ABI su_int -__fixunsdfsi(fp_t a) { - return __fixuint(a); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI su_int __aeabi_d2uiz(fp_t a) { - return __fixunsdfsi(a); -} -#else -AEABI_RTABI su_int __aeabi_d2uiz(fp_t a) COMPILER_RT_ALIAS(__fixunsdfsi); -#endif -#endif diff --git a/lib/libcompiler_rt/fixunsdfti.c b/lib/libcompiler_rt/fixunsdfti.c deleted file mode 100644 index f8046a02632..00000000000 --- a/lib/libcompiler_rt/fixunsdfti.c +++ /dev/null @@ -1,23 +0,0 @@ -/* ===-- fixunsdfti.c - Implement __fixunsdfti -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT -#define DOUBLE_PRECISION -#include "fp_lib.h" -typedef tu_int fixuint_t; -#include "fp_fixuint_impl.inc" - -COMPILER_RT_ABI tu_int -__fixunsdfti(fp_t a) { - return __fixuint(a); -} -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/fixunssfdi.c b/lib/libcompiler_rt/fixunssfdi.c deleted file mode 100644 index 080a25bb1e9..00000000000 --- a/lib/libcompiler_rt/fixunssfdi.c +++ /dev/null @@ -1,53 +0,0 @@ -/* ===-- fixunssfdi.c - Implement __fixunssfdi -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define SINGLE_PRECISION -#include "fp_lib.h" - -#ifndef __SOFT_FP__ -/* Support for systems that have hardware floating-point; can set the invalid - * flag as a side-effect of computation. - */ - -COMPILER_RT_ABI du_int -__fixunssfdi(float a) -{ - if (a <= 0.0f) return 0; - double da = a; - su_int high = da / 4294967296.f; /* da / 0x1p32f; */ - su_int low = da - (double)high * 4294967296.f; /* high * 0x1p32f; */ - return ((du_int)high << 32) | low; -} - -#else -/* Support for systems that don't have hardware floating-point; there are no - * flags to set, and we don't want to code-gen to an unknown soft-float - * implementation. - */ - -typedef du_int fixuint_t; -#include "fp_fixuint_impl.inc" - -COMPILER_RT_ABI du_int -__fixunssfdi(fp_t a) { - return __fixuint(a); -} - -#endif - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI du_int __aeabi_f2ulz(fp_t a) { - return __fixunssfdi(a); -} -#else -AEABI_RTABI du_int __aeabi_f2ulz(fp_t a) COMPILER_RT_ALIAS(__fixunssfdi); -#endif -#endif diff --git a/lib/libcompiler_rt/fixunssfsi.c b/lib/libcompiler_rt/fixunssfsi.c deleted file mode 100644 index eca2916a5c8..00000000000 --- a/lib/libcompiler_rt/fixunssfsi.c +++ /dev/null @@ -1,33 +0,0 @@ -/* ===-- fixunssfsi.c - Implement __fixunssfsi -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __fixunssfsi for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#define SINGLE_PRECISION -#include "fp_lib.h" -typedef su_int fixuint_t; -#include "fp_fixuint_impl.inc" - -COMPILER_RT_ABI su_int -__fixunssfsi(fp_t a) { - return __fixuint(a); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI su_int __aeabi_f2uiz(fp_t a) { - return __fixunssfsi(a); -} -#else -AEABI_RTABI su_int __aeabi_f2uiz(fp_t a) COMPILER_RT_ALIAS(__fixunssfsi); -#endif -#endif diff --git a/lib/libcompiler_rt/fixunssfti.c b/lib/libcompiler_rt/fixunssfti.c deleted file mode 100644 index 862d7bd6c7a..00000000000 --- a/lib/libcompiler_rt/fixunssfti.c +++ /dev/null @@ -1,26 +0,0 @@ -/* ===-- fixunssfti.c - Implement __fixunssfti -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __fixunssfti for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#define SINGLE_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) -typedef tu_int fixuint_t; -#include "fp_fixuint_impl.inc" - -COMPILER_RT_ABI tu_int -__fixunssfti(fp_t a) { - return __fixuint(a); -} -#endif diff --git a/lib/libcompiler_rt/fixunstfdi.c b/lib/libcompiler_rt/fixunstfdi.c deleted file mode 100644 index b2995f65834..00000000000 --- a/lib/libcompiler_rt/fixunstfdi.c +++ /dev/null @@ -1,22 +0,0 @@ -/* ===-- fixunstfdi.c - Implement __fixunstfdi -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -typedef du_int fixuint_t; -#include "fp_fixuint_impl.inc" - -COMPILER_RT_ABI du_int -__fixunstfdi(fp_t a) { - return __fixuint(a); -} -#endif diff --git a/lib/libcompiler_rt/fixunstfsi.c b/lib/libcompiler_rt/fixunstfsi.c deleted file mode 100644 index b5d3f6a7d38..00000000000 --- a/lib/libcompiler_rt/fixunstfsi.c +++ /dev/null @@ -1,22 +0,0 @@ -/* ===-- fixunstfsi.c - Implement __fixunstfsi -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -typedef su_int fixuint_t; -#include "fp_fixuint_impl.inc" - -COMPILER_RT_ABI su_int -__fixunstfsi(fp_t a) { - return __fixuint(a); -} -#endif diff --git a/lib/libcompiler_rt/fixunstfti.c b/lib/libcompiler_rt/fixunstfti.c deleted file mode 100644 index 22ff9dfc033..00000000000 --- a/lib/libcompiler_rt/fixunstfti.c +++ /dev/null @@ -1,22 +0,0 @@ -/* ===-- fixunstfsi.c - Implement __fixunstfsi -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -typedef tu_int fixuint_t; -#include "fp_fixuint_impl.inc" - -COMPILER_RT_ABI tu_int -__fixunstfti(fp_t a) { - return __fixuint(a); -} -#endif diff --git a/lib/libcompiler_rt/fixunsxfdi.c b/lib/libcompiler_rt/fixunsxfdi.c deleted file mode 100644 index 075304e78dc..00000000000 --- a/lib/libcompiler_rt/fixunsxfdi.c +++ /dev/null @@ -1,46 +0,0 @@ -/* ===-- fixunsxfdi.c - Implement __fixunsxfdi -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __fixunsxfdi for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#if !_ARCH_PPC - -#include "int_lib.h" - -/* Returns: convert a to a unsigned long long, rounding toward zero. - * Negative values all become zero. - */ - -/* Assumption: long double is an intel 80 bit floating point type padded with 6 bytes - * du_int is a 64 bit integral type - * value in long double is representable in du_int or is negative - * (no range checking performed) - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -COMPILER_RT_ABI du_int -__fixunsxfdi(long double a) -{ - long_double_bits fb; - fb.f = a; - int e = (fb.u.high.s.low & 0x00007FFF) - 16383; - if (e < 0 || (fb.u.high.s.low & 0x00008000)) - return 0; - if ((unsigned)e > sizeof(du_int) * CHAR_BIT) - return ~(du_int)0; - return fb.u.low.all >> (63 - e); -} - -#endif diff --git a/lib/libcompiler_rt/fixunsxfsi.c b/lib/libcompiler_rt/fixunsxfsi.c deleted file mode 100644 index c3c70f743de..00000000000 --- a/lib/libcompiler_rt/fixunsxfsi.c +++ /dev/null @@ -1,45 +0,0 @@ -/* ===-- fixunsxfsi.c - Implement __fixunsxfsi -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __fixunsxfsi for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#if !_ARCH_PPC - -#include "int_lib.h" - -/* Returns: convert a to a unsigned int, rounding toward zero. - * Negative values all become zero. - */ - -/* Assumption: long double is an intel 80 bit floating point type padded with 6 bytes - * su_int is a 32 bit integral type - * value in long double is representable in su_int or is negative - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -COMPILER_RT_ABI su_int -__fixunsxfsi(long double a) -{ - long_double_bits fb; - fb.f = a; - int e = (fb.u.high.s.low & 0x00007FFF) - 16383; - if (e < 0 || (fb.u.high.s.low & 0x00008000)) - return 0; - if ((unsigned)e > sizeof(su_int) * CHAR_BIT) - return ~(su_int)0; - return fb.u.low.s.high >> (31 - e); -} - -#endif /* !_ARCH_PPC */ diff --git a/lib/libcompiler_rt/fixunsxfti.c b/lib/libcompiler_rt/fixunsxfti.c deleted file mode 100644 index fb39d00ff5b..00000000000 --- a/lib/libcompiler_rt/fixunsxfti.c +++ /dev/null @@ -1,50 +0,0 @@ -/* ===-- fixunsxfti.c - Implement __fixunsxfti -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __fixunsxfti for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: convert a to a unsigned long long, rounding toward zero. - * Negative values all become zero. - */ - -/* Assumption: long double is an intel 80 bit floating point type padded with 6 bytes - * tu_int is a 128 bit integral type - * value in long double is representable in tu_int or is negative - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -COMPILER_RT_ABI tu_int -__fixunsxfti(long double a) -{ - long_double_bits fb; - fb.f = a; - int e = (fb.u.high.s.low & 0x00007FFF) - 16383; - if (e < 0 || (fb.u.high.s.low & 0x00008000)) - return 0; - if ((unsigned)e > sizeof(tu_int) * CHAR_BIT) - return ~(tu_int)0; - tu_int r = fb.u.low.all; - if (e > 63) - r <<= (e - 63); - else - r >>= (63 - e); - return r; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/fixxfdi.c b/lib/libcompiler_rt/fixxfdi.c deleted file mode 100644 index 011787f9e4b..00000000000 --- a/lib/libcompiler_rt/fixxfdi.c +++ /dev/null @@ -1,48 +0,0 @@ -/* ===-- fixxfdi.c - Implement __fixxfdi -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __fixxfdi for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#if !_ARCH_PPC - -#include "int_lib.h" - -/* Returns: convert a to a signed long long, rounding toward zero. */ - -/* Assumption: long double is an intel 80 bit floating point type padded with 6 bytes - * di_int is a 64 bit integral type - * value in long double is representable in di_int (no range checking performed) - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -COMPILER_RT_ABI di_int -__fixxfdi(long double a) -{ - const di_int di_max = (di_int)((~(du_int)0) / 2); - const di_int di_min = -di_max - 1; - long_double_bits fb; - fb.f = a; - int e = (fb.u.high.s.low & 0x00007FFF) - 16383; - if (e < 0) - return 0; - if ((unsigned)e >= sizeof(di_int) * CHAR_BIT) - return a > 0 ? di_max : di_min; - di_int s = -(si_int)((fb.u.high.s.low & 0x00008000) >> 15); - di_int r = fb.u.low.all; - r = (du_int)r >> (63 - e); - return (r ^ s) - s; -} - -#endif /* !_ARCH_PPC */ diff --git a/lib/libcompiler_rt/fixxfti.c b/lib/libcompiler_rt/fixxfti.c deleted file mode 100644 index 968a4f0d5ee..00000000000 --- a/lib/libcompiler_rt/fixxfti.c +++ /dev/null @@ -1,51 +0,0 @@ -/* ===-- fixxfti.c - Implement __fixxfti -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __fixxfti for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: convert a to a signed long long, rounding toward zero. */ - -/* Assumption: long double is an intel 80 bit floating point type padded with 6 bytes - * ti_int is a 128 bit integral type - * value in long double is representable in ti_int - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -COMPILER_RT_ABI ti_int -__fixxfti(long double a) -{ - const ti_int ti_max = (ti_int)((~(tu_int)0) / 2); - const ti_int ti_min = -ti_max - 1; - long_double_bits fb; - fb.f = a; - int e = (fb.u.high.s.low & 0x00007FFF) - 16383; - if (e < 0) - return 0; - ti_int s = -(si_int)((fb.u.high.s.low & 0x00008000) >> 15); - ti_int r = fb.u.low.all; - if ((unsigned)e >= sizeof(ti_int) * CHAR_BIT) - return a > 0 ? ti_max : ti_min; - if (e > 63) - r <<= (e - 63); - else - r >>= (63 - e); - return (r ^ s) - s; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/floatdidf.c b/lib/libcompiler_rt/floatdidf.c deleted file mode 100644 index 36b856e078d..00000000000 --- a/lib/libcompiler_rt/floatdidf.c +++ /dev/null @@ -1,115 +0,0 @@ -/*===-- floatdidf.c - Implement __floatdidf -------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------=== - * - * This file implements __floatdidf for the compiler_rt library. - * - *===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: convert a to a double, rounding toward even. */ - -/* Assumption: double is a IEEE 64 bit floating point type - * di_int is a 64 bit integral type - */ - -/* seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */ - -#ifndef __SOFT_FP__ -/* Support for systems that have hardware floating-point; we'll set the inexact flag - * as a side-effect of this computation. - */ - -COMPILER_RT_ABI double -__floatdidf(di_int a) -{ - static const double twop52 = 4503599627370496.0; // 0x1.0p52 - static const double twop32 = 4294967296.0; // 0x1.0p32 - - union { int64_t x; double d; } low = { .d = twop52 }; - - const double high = (int32_t)(a >> 32) * twop32; - low.x |= a & INT64_C(0x00000000ffffffff); - - const double result = (high - twop52) + low.d; - return result; -} - -#else -/* Support for systems that don't have hardware floating-point; there are no flags to - * set, and we don't want to code-gen to an unknown soft-float implementation. - */ - -COMPILER_RT_ABI double -__floatdidf(di_int a) -{ - if (a == 0) - return 0.0; - const unsigned N = sizeof(di_int) * CHAR_BIT; - const di_int s = a >> (N-1); - a = (a ^ s) - s; - int sd = N - __builtin_clzll(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > DBL_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit DBL_MANT_DIG-1 bits to the right of 1 - * Q = bit DBL_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case DBL_MANT_DIG + 1: - a <<= 1; - break; - case DBL_MANT_DIG + 2: - break; - default: - a = ((du_int)a >> (sd - (DBL_MANT_DIG+2))) | - ((a & ((du_int)(-1) >> ((N + DBL_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to DBL_MANT_DIG or DBL_MANT_DIG+1 bits */ - if (a & ((du_int)1 << DBL_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to DBL_MANT_DIG bits */ - } - else - { - a <<= (DBL_MANT_DIG - sd); - /* a is now rounded to DBL_MANT_DIG bits */ - } - double_bits fb; - fb.u.s.high = ((su_int)s & 0x80000000) | /* sign */ - ((e + 1023) << 20) | /* exponent */ - ((su_int)(a >> 32) & 0x000FFFFF); /* mantissa-high */ - fb.u.s.low = (su_int)a; /* mantissa-low */ - return fb.f; -} -#endif - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI double __aeabi_l2d(di_int a) { - return __floatdidf(a); -} -#else -AEABI_RTABI double __aeabi_l2d(di_int a) COMPILER_RT_ALIAS(__floatdidf); -#endif -#endif diff --git a/lib/libcompiler_rt/floatdisf.c b/lib/libcompiler_rt/floatdisf.c deleted file mode 100644 index a2f09eb2ed2..00000000000 --- a/lib/libcompiler_rt/floatdisf.c +++ /dev/null @@ -1,88 +0,0 @@ -/*===-- floatdisf.c - Implement __floatdisf -------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------=== - * - * This file implements __floatdisf for the compiler_rt library. - * - *===----------------------------------------------------------------------=== - */ - -/* Returns: convert a to a float, rounding toward even.*/ - -/* Assumption: float is a IEEE 32 bit floating point type - * di_int is a 64 bit integral type - */ - -/* seee eeee emmm mmmm mmmm mmmm mmmm mmmm */ - -#include "int_lib.h" - -COMPILER_RT_ABI float -__floatdisf(di_int a) -{ - if (a == 0) - return 0.0F; - const unsigned N = sizeof(di_int) * CHAR_BIT; - const di_int s = a >> (N-1); - a = (a ^ s) - s; - int sd = N - __builtin_clzll(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > FLT_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit FLT_MANT_DIG-1 bits to the right of 1 - * Q = bit FLT_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case FLT_MANT_DIG + 1: - a <<= 1; - break; - case FLT_MANT_DIG + 2: - break; - default: - a = ((du_int)a >> (sd - (FLT_MANT_DIG+2))) | - ((a & ((du_int)(-1) >> ((N + FLT_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to FLT_MANT_DIG or FLT_MANT_DIG+1 bits */ - if (a & ((du_int)1 << FLT_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to FLT_MANT_DIG bits */ - } - else - { - a <<= (FLT_MANT_DIG - sd); - /* a is now rounded to FLT_MANT_DIG bits */ - } - float_bits fb; - fb.u = ((su_int)s & 0x80000000) | /* sign */ - ((e + 127) << 23) | /* exponent */ - ((su_int)a & 0x007FFFFF); /* mantissa */ - return fb.f; -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI float __aeabi_l2f(di_int a) { - return __floatdisf(a); -} -#else -AEABI_RTABI float __aeabi_l2f(di_int a) COMPILER_RT_ALIAS(__floatdisf); -#endif -#endif diff --git a/lib/libcompiler_rt/floatditf.c b/lib/libcompiler_rt/floatditf.c deleted file mode 100644 index cd51dd8aade..00000000000 --- a/lib/libcompiler_rt/floatditf.c +++ /dev/null @@ -1,50 +0,0 @@ -//===-- lib/floatditf.c - integer -> quad-precision conversion ----*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements di_int to quad-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -COMPILER_RT_ABI fp_t __floatditf(di_int a) { - - const int aWidth = sizeof a * CHAR_BIT; - - // Handle zero as a special case to protect clz - if (a == 0) - return fromRep(0); - - // All other cases begin by extracting the sign and absolute value of a - rep_t sign = 0; - du_int aAbs = (du_int)a; - if (a < 0) { - sign = signBit; - aAbs = ~(du_int)a + 1U; - } - - // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clzll(aAbs); - rep_t result; - - // Shift a into the significand field, rounding if it is a right-shift - const int shift = significandBits - exponent; - result = (rep_t)aAbs << shift ^ implicitBit; - - // Insert the exponent - result += (rep_t)(exponent + exponentBias) << significandBits; - // Insert the sign bit and return - return fromRep(result | sign); -} - -#endif diff --git a/lib/libcompiler_rt/floatdixf.c b/lib/libcompiler_rt/floatdixf.c deleted file mode 100644 index d39e81d7ca7..00000000000 --- a/lib/libcompiler_rt/floatdixf.c +++ /dev/null @@ -1,46 +0,0 @@ -/* ===-- floatdixf.c - Implement __floatdixf -------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floatdixf for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#if !_ARCH_PPC - -#include "int_lib.h" - -/* Returns: convert a to a long double, rounding toward even. */ - -/* Assumption: long double is a IEEE 80 bit floating point type padded to 128 bits - * di_int is a 64 bit integral type - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -COMPILER_RT_ABI long double -__floatdixf(di_int a) -{ - if (a == 0) - return 0.0; - const unsigned N = sizeof(di_int) * CHAR_BIT; - const di_int s = a >> (N-1); - a = (a ^ s) - s; - int clz = __builtin_clzll(a); - int e = (N - 1) - clz ; /* exponent */ - long_double_bits fb; - fb.u.high.s.low = ((su_int)s & 0x00008000) | /* sign */ - (e + 16383); /* exponent */ - fb.u.low.all = a << clz; /* mantissa */ - return fb.f; -} - -#endif /* !_ARCH_PPC */ diff --git a/lib/libcompiler_rt/floatsidf.c b/lib/libcompiler_rt/floatsidf.c deleted file mode 100644 index fe051123ce7..00000000000 --- a/lib/libcompiler_rt/floatsidf.c +++ /dev/null @@ -1,61 +0,0 @@ -//===-- lib/floatsidf.c - integer -> double-precision conversion --*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements integer to double-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define DOUBLE_PRECISION -#include "fp_lib.h" - -#include "int_lib.h" - -COMPILER_RT_ABI fp_t -__floatsidf(int a) { - - const int aWidth = sizeof a * CHAR_BIT; - - // Handle zero as a special case to protect clz - if (a == 0) - return fromRep(0); - - // All other cases begin by extracting the sign and absolute value of a - rep_t sign = 0; - if (a < 0) { - sign = signBit; - a = -a; - } - - // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clz(a); - rep_t result; - - // Shift a into the significand field and clear the implicit bit. Extra - // cast to unsigned int is necessary to get the correct behavior for - // the input INT_MIN. - const int shift = significandBits - exponent; - result = (rep_t)(unsigned int)a << shift ^ implicitBit; - - // Insert the exponent - result += (rep_t)(exponent + exponentBias) << significandBits; - // Insert the sign bit and return - return fromRep(result | sign); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_i2d(int a) { - return __floatsidf(a); -} -#else -AEABI_RTABI fp_t __aeabi_i2d(int a) COMPILER_RT_ALIAS(__floatsidf); -#endif -#endif diff --git a/lib/libcompiler_rt/floatsisf.c b/lib/libcompiler_rt/floatsisf.c deleted file mode 100644 index bf087ee3c29..00000000000 --- a/lib/libcompiler_rt/floatsisf.c +++ /dev/null @@ -1,67 +0,0 @@ -//===-- lib/floatsisf.c - integer -> single-precision conversion --*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements integer to single-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "fp_lib.h" - -#include "int_lib.h" - -COMPILER_RT_ABI fp_t -__floatsisf(int a) { - - const int aWidth = sizeof a * CHAR_BIT; - - // Handle zero as a special case to protect clz - if (a == 0) - return fromRep(0); - - // All other cases begin by extracting the sign and absolute value of a - rep_t sign = 0; - if (a < 0) { - sign = signBit; - a = -a; - } - - // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clz(a); - rep_t result; - - // Shift a into the significand field, rounding if it is a right-shift - if (exponent <= significandBits) { - const int shift = significandBits - exponent; - result = (rep_t)a << shift ^ implicitBit; - } else { - const int shift = exponent - significandBits; - result = (rep_t)a >> shift ^ implicitBit; - rep_t round = (rep_t)a << (typeWidth - shift); - if (round > signBit) result++; - if (round == signBit) result += result & 1; - } - - // Insert the exponent - result += (rep_t)(exponent + exponentBias) << significandBits; - // Insert the sign bit and return - return fromRep(result | sign); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_i2f(int a) { - return __floatsisf(a); -} -#else -AEABI_RTABI fp_t __aeabi_i2f(int a) COMPILER_RT_ALIAS(__floatsisf); -#endif -#endif diff --git a/lib/libcompiler_rt/floatsitf.c b/lib/libcompiler_rt/floatsitf.c deleted file mode 100644 index f0abca363b5..00000000000 --- a/lib/libcompiler_rt/floatsitf.c +++ /dev/null @@ -1,50 +0,0 @@ -//===-- lib/floatsitf.c - integer -> quad-precision conversion ----*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements integer to quad-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -COMPILER_RT_ABI fp_t __floatsitf(int a) { - - const int aWidth = sizeof a * CHAR_BIT; - - // Handle zero as a special case to protect clz - if (a == 0) - return fromRep(0); - - // All other cases begin by extracting the sign and absolute value of a - rep_t sign = 0; - unsigned aAbs = (unsigned)a; - if (a < 0) { - sign = signBit; - aAbs = ~(unsigned)a + 1U; - } - - // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clz(aAbs); - rep_t result; - - // Shift a into the significand field and clear the implicit bit. - const int shift = significandBits - exponent; - result = (rep_t)aAbs << shift ^ implicitBit; - - // Insert the exponent - result += (rep_t)(exponent + exponentBias) << significandBits; - // Insert the sign bit and return - return fromRep(result | sign); -} - -#endif diff --git a/lib/libcompiler_rt/floattidf.c b/lib/libcompiler_rt/floattidf.c deleted file mode 100644 index 2702a3c8a2d..00000000000 --- a/lib/libcompiler_rt/floattidf.c +++ /dev/null @@ -1,83 +0,0 @@ -/* ===-- floattidf.c - Implement __floattidf -------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floattidf for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: convert a to a double, rounding toward even.*/ - -/* Assumption: double is a IEEE 64 bit floating point type - * ti_int is a 128 bit integral type - */ - -/* seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */ - -COMPILER_RT_ABI double -__floattidf(ti_int a) -{ - if (a == 0) - return 0.0; - const unsigned N = sizeof(ti_int) * CHAR_BIT; - const ti_int s = a >> (N-1); - a = (a ^ s) - s; - int sd = N - __clzti2(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > DBL_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit DBL_MANT_DIG-1 bits to the right of 1 - * Q = bit DBL_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case DBL_MANT_DIG + 1: - a <<= 1; - break; - case DBL_MANT_DIG + 2: - break; - default: - a = ((tu_int)a >> (sd - (DBL_MANT_DIG+2))) | - ((a & ((tu_int)(-1) >> ((N + DBL_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to DBL_MANT_DIG or DBL_MANT_DIG+1 bits */ - if (a & ((tu_int)1 << DBL_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to DBL_MANT_DIG bits */ - } - else - { - a <<= (DBL_MANT_DIG - sd); - /* a is now rounded to DBL_MANT_DIG bits */ - } - double_bits fb; - fb.u.s.high = ((su_int)s & 0x80000000) | /* sign */ - ((e + 1023) << 20) | /* exponent */ - ((su_int)(a >> 32) & 0x000FFFFF); /* mantissa-high */ - fb.u.s.low = (su_int)a; /* mantissa-low */ - return fb.f; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/floattisf.c b/lib/libcompiler_rt/floattisf.c deleted file mode 100644 index f1b585f2c32..00000000000 --- a/lib/libcompiler_rt/floattisf.c +++ /dev/null @@ -1,82 +0,0 @@ -/* ===-- floattisf.c - Implement __floattisf -------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floattisf for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: convert a to a float, rounding toward even. */ - -/* Assumption: float is a IEEE 32 bit floating point type - * ti_int is a 128 bit integral type - */ - -/* seee eeee emmm mmmm mmmm mmmm mmmm mmmm */ - -COMPILER_RT_ABI float -__floattisf(ti_int a) -{ - if (a == 0) - return 0.0F; - const unsigned N = sizeof(ti_int) * CHAR_BIT; - const ti_int s = a >> (N-1); - a = (a ^ s) - s; - int sd = N - __clzti2(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > FLT_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit FLT_MANT_DIG-1 bits to the right of 1 - * Q = bit FLT_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case FLT_MANT_DIG + 1: - a <<= 1; - break; - case FLT_MANT_DIG + 2: - break; - default: - a = ((tu_int)a >> (sd - (FLT_MANT_DIG+2))) | - ((a & ((tu_int)(-1) >> ((N + FLT_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to FLT_MANT_DIG or FLT_MANT_DIG+1 bits */ - if (a & ((tu_int)1 << FLT_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to FLT_MANT_DIG bits */ - } - else - { - a <<= (FLT_MANT_DIG - sd); - /* a is now rounded to FLT_MANT_DIG bits */ - } - float_bits fb; - fb.u = ((su_int)s & 0x80000000) | /* sign */ - ((e + 127) << 23) | /* exponent */ - ((su_int)a & 0x007FFFFF); /* mantissa */ - return fb.f; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/floattitf.c b/lib/libcompiler_rt/floattitf.c deleted file mode 100644 index 994fded3947..00000000000 --- a/lib/libcompiler_rt/floattitf.c +++ /dev/null @@ -1,82 +0,0 @@ -//===-- lib/floattitf.c - int128 -> quad-precision conversion -----*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements ti_int to quad-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" -#include "int_lib.h" - -/* Returns: convert a ti_int to a fp_t, rounding toward even. */ - -/* Assumption: fp_t is a IEEE 128 bit floating point type - * ti_int is a 128 bit integral type - */ - -/* seee eeee eeee eeee mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | - * mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -COMPILER_RT_ABI fp_t -__floattitf(ti_int a) { - if (a == 0) - return 0.0; - const unsigned N = sizeof(ti_int) * CHAR_BIT; - const ti_int s = a >> (N-1); - a = (a ^ s) - s; - int sd = N - __clzti2(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > LDBL_MANT_DIG) { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit LDBL_MANT_DIG-1 bits to the right of 1 - * Q = bit LDBL_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) { - case LDBL_MANT_DIG + 1: - a <<= 1; - break; - case LDBL_MANT_DIG + 2: - break; - default: - a = ((tu_int)a >> (sd - (LDBL_MANT_DIG+2))) | - ((a & ((tu_int)(-1) >> ((N + LDBL_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to LDBL_MANT_DIG or LDBL_MANT_DIG+1 bits */ - if (a & ((tu_int)1 << LDBL_MANT_DIG)) { - a >>= 1; - ++e; - } - /* a is now rounded to LDBL_MANT_DIG bits */ - } else { - a <<= (LDBL_MANT_DIG - sd); - /* a is now rounded to LDBL_MANT_DIG bits */ - } - - long_double_bits fb; - fb.u.high.all = (s & 0x8000000000000000LL) /* sign */ - | (du_int)(e + 16383) << 48 /* exponent */ - | ((a >> 64) & 0x0000ffffffffffffLL); /* significand */ - fb.u.low.all = (du_int)(a); - return fb.f; -} - -#endif diff --git a/lib/libcompiler_rt/floattixf.c b/lib/libcompiler_rt/floattixf.c deleted file mode 100644 index 1203b3a96e7..00000000000 --- a/lib/libcompiler_rt/floattixf.c +++ /dev/null @@ -1,84 +0,0 @@ -/* ===-- floattixf.c - Implement __floattixf -------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floattixf for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: convert a to a long double, rounding toward even. */ - -/* Assumption: long double is a IEEE 80 bit floating point type padded to 128 bits - * ti_int is a 128 bit integral type - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -COMPILER_RT_ABI long double -__floattixf(ti_int a) -{ - if (a == 0) - return 0.0; - const unsigned N = sizeof(ti_int) * CHAR_BIT; - const ti_int s = a >> (N-1); - a = (a ^ s) - s; - int sd = N - __clzti2(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > LDBL_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit LDBL_MANT_DIG-1 bits to the right of 1 - * Q = bit LDBL_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case LDBL_MANT_DIG + 1: - a <<= 1; - break; - case LDBL_MANT_DIG + 2: - break; - default: - a = ((tu_int)a >> (sd - (LDBL_MANT_DIG+2))) | - ((a & ((tu_int)(-1) >> ((N + LDBL_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to LDBL_MANT_DIG or LDBL_MANT_DIG+1 bits */ - if (a & ((tu_int)1 << LDBL_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to LDBL_MANT_DIG bits */ - } - else - { - a <<= (LDBL_MANT_DIG - sd); - /* a is now rounded to LDBL_MANT_DIG bits */ - } - long_double_bits fb; - fb.u.high.s.low = ((su_int)s & 0x8000) | /* sign */ - (e + 16383); /* exponent */ - fb.u.low.all = (du_int)a; /* mantissa */ - return fb.f; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/floatundidf.c b/lib/libcompiler_rt/floatundidf.c deleted file mode 100644 index 8bc2a096324..00000000000 --- a/lib/libcompiler_rt/floatundidf.c +++ /dev/null @@ -1,114 +0,0 @@ -/* ===-- floatundidf.c - Implement __floatundidf ---------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floatundidf for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -/* Returns: convert a to a double, rounding toward even. */ - -/* Assumption: double is a IEEE 64 bit floating point type - * du_int is a 64 bit integral type - */ - -/* seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */ - -#include "int_lib.h" - -#ifndef __SOFT_FP__ -/* Support for systems that have hardware floating-point; we'll set the inexact flag - * as a side-effect of this computation. - */ - -COMPILER_RT_ABI double -__floatundidf(du_int a) -{ - static const double twop52 = 4503599627370496.0; // 0x1.0p52 - static const double twop84 = 19342813113834066795298816.0; // 0x1.0p84 - static const double twop84_plus_twop52 = 19342813118337666422669312.0; // 0x1.00000001p84 - - union { uint64_t x; double d; } high = { .d = twop84 }; - union { uint64_t x; double d; } low = { .d = twop52 }; - - high.x |= a >> 32; - low.x |= a & UINT64_C(0x00000000ffffffff); - - const double result = (high.d - twop84_plus_twop52) + low.d; - return result; -} - -#else -/* Support for systems that don't have hardware floating-point; there are no flags to - * set, and we don't want to code-gen to an unknown soft-float implementation. - */ - -COMPILER_RT_ABI double -__floatundidf(du_int a) -{ - if (a == 0) - return 0.0; - const unsigned N = sizeof(du_int) * CHAR_BIT; - int sd = N - __builtin_clzll(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > DBL_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit DBL_MANT_DIG-1 bits to the right of 1 - * Q = bit DBL_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case DBL_MANT_DIG + 1: - a <<= 1; - break; - case DBL_MANT_DIG + 2: - break; - default: - a = (a >> (sd - (DBL_MANT_DIG+2))) | - ((a & ((du_int)(-1) >> ((N + DBL_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to DBL_MANT_DIG or DBL_MANT_DIG+1 bits */ - if (a & ((du_int)1 << DBL_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to DBL_MANT_DIG bits */ - } - else - { - a <<= (DBL_MANT_DIG - sd); - /* a is now rounded to DBL_MANT_DIG bits */ - } - double_bits fb; - fb.u.s.high = ((e + 1023) << 20) | /* exponent */ - ((su_int)(a >> 32) & 0x000FFFFF); /* mantissa-high */ - fb.u.s.low = (su_int)a; /* mantissa-low */ - return fb.f; -} -#endif - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI double __aeabi_ul2d(du_int a) { - return __floatundidf(a); -} -#else -AEABI_RTABI double __aeabi_ul2d(du_int a) COMPILER_RT_ALIAS(__floatundidf); -#endif -#endif diff --git a/lib/libcompiler_rt/floatundisf.c b/lib/libcompiler_rt/floatundisf.c deleted file mode 100644 index 844786ea777..00000000000 --- a/lib/libcompiler_rt/floatundisf.c +++ /dev/null @@ -1,85 +0,0 @@ -/*===-- floatundisf.c - Implement __floatundisf ---------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floatundisf for the compiler_rt library. - * - *===----------------------------------------------------------------------=== - */ - -/* Returns: convert a to a float, rounding toward even. */ - -/* Assumption: float is a IEEE 32 bit floating point type - * du_int is a 64 bit integral type - */ - -/* seee eeee emmm mmmm mmmm mmmm mmmm mmmm */ - -#include "int_lib.h" - -COMPILER_RT_ABI float -__floatundisf(du_int a) -{ - if (a == 0) - return 0.0F; - const unsigned N = sizeof(du_int) * CHAR_BIT; - int sd = N - __builtin_clzll(a); /* number of significant digits */ - int e = sd - 1; /* 8 exponent */ - if (sd > FLT_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit FLT_MANT_DIG-1 bits to the right of 1 - * Q = bit FLT_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case FLT_MANT_DIG + 1: - a <<= 1; - break; - case FLT_MANT_DIG + 2: - break; - default: - a = (a >> (sd - (FLT_MANT_DIG+2))) | - ((a & ((du_int)(-1) >> ((N + FLT_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to FLT_MANT_DIG or FLT_MANT_DIG+1 bits */ - if (a & ((du_int)1 << FLT_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to FLT_MANT_DIG bits */ - } - else - { - a <<= (FLT_MANT_DIG - sd); - /* a is now rounded to FLT_MANT_DIG bits */ - } - float_bits fb; - fb.u = ((e + 127) << 23) | /* exponent */ - ((su_int)a & 0x007FFFFF); /* mantissa */ - return fb.f; -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI float __aeabi_ul2f(du_int a) { - return __floatundisf(a); -} -#else -AEABI_RTABI float __aeabi_ul2f(du_int a) COMPILER_RT_ALIAS(__floatundisf); -#endif -#endif diff --git a/lib/libcompiler_rt/floatunditf.c b/lib/libcompiler_rt/floatunditf.c deleted file mode 100644 index 8098e95e82b..00000000000 --- a/lib/libcompiler_rt/floatunditf.c +++ /dev/null @@ -1,40 +0,0 @@ -//===-- lib/floatunditf.c - uint -> quad-precision conversion -----*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements du_int to quad-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -COMPILER_RT_ABI fp_t __floatunditf(du_int a) { - - const int aWidth = sizeof a * CHAR_BIT; - - // Handle zero as a special case to protect clz - if (a == 0) return fromRep(0); - - // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clzll(a); - rep_t result; - - // Shift a into the significand field and clear the implicit bit. - const int shift = significandBits - exponent; - result = (rep_t)a << shift ^ implicitBit; - - // Insert the exponent - result += (rep_t)(exponent + exponentBias) << significandBits; - return fromRep(result); -} - -#endif diff --git a/lib/libcompiler_rt/floatundixf.c b/lib/libcompiler_rt/floatundixf.c deleted file mode 100644 index ca5e06d64dc..00000000000 --- a/lib/libcompiler_rt/floatundixf.c +++ /dev/null @@ -1,42 +0,0 @@ -/* ===-- floatundixf.c - Implement __floatundixf ---------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floatundixf for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#if !_ARCH_PPC - -#include "int_lib.h" - -/* Returns: convert a to a long double, rounding toward even. */ - -/* Assumption: long double is a IEEE 80 bit floating point type padded to 128 bits - * du_int is a 64 bit integral type - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ -COMPILER_RT_ABI long double -__floatundixf(du_int a) -{ - if (a == 0) - return 0.0; - const unsigned N = sizeof(du_int) * CHAR_BIT; - int clz = __builtin_clzll(a); - int e = (N - 1) - clz ; /* exponent */ - long_double_bits fb; - fb.u.high.s.low = (e + 16383); /* exponent */ - fb.u.low.all = a << clz; /* mantissa */ - return fb.f; -} - -#endif /* _ARCH_PPC */ diff --git a/lib/libcompiler_rt/floatunsidf.c b/lib/libcompiler_rt/floatunsidf.c deleted file mode 100644 index 75cf6b9177d..00000000000 --- a/lib/libcompiler_rt/floatunsidf.c +++ /dev/null @@ -1,50 +0,0 @@ -//===-- lib/floatunsidf.c - uint -> double-precision conversion ---*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements unsigned integer to double-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define DOUBLE_PRECISION -#include "fp_lib.h" - -#include "int_lib.h" - -COMPILER_RT_ABI fp_t -__floatunsidf(unsigned int a) { - - const int aWidth = sizeof a * CHAR_BIT; - - // Handle zero as a special case to protect clz - if (a == 0) return fromRep(0); - - // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clz(a); - rep_t result; - - // Shift a into the significand field and clear the implicit bit. - const int shift = significandBits - exponent; - result = (rep_t)a << shift ^ implicitBit; - - // Insert the exponent - result += (rep_t)(exponent + exponentBias) << significandBits; - return fromRep(result); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_ui2d(unsigned int a) { - return __floatunsidf(a); -} -#else -AEABI_RTABI fp_t __aeabi_ui2d(unsigned int a) COMPILER_RT_ALIAS(__floatunsidf); -#endif -#endif diff --git a/lib/libcompiler_rt/floatunsisf.c b/lib/libcompiler_rt/floatunsisf.c deleted file mode 100644 index 29525ccedbb..00000000000 --- a/lib/libcompiler_rt/floatunsisf.c +++ /dev/null @@ -1,58 +0,0 @@ -//===-- lib/floatunsisf.c - uint -> single-precision conversion ---*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements unsigned integer to single-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "fp_lib.h" - -#include "int_lib.h" - -COMPILER_RT_ABI fp_t -__floatunsisf(unsigned int a) { - - const int aWidth = sizeof a * CHAR_BIT; - - // Handle zero as a special case to protect clz - if (a == 0) return fromRep(0); - - // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clz(a); - rep_t result; - - // Shift a into the significand field, rounding if it is a right-shift - if (exponent <= significandBits) { - const int shift = significandBits - exponent; - result = (rep_t)a << shift ^ implicitBit; - } else { - const int shift = exponent - significandBits; - result = (rep_t)a >> shift ^ implicitBit; - rep_t round = (rep_t)a << (typeWidth - shift); - if (round > signBit) result++; - if (round == signBit) result += result & 1; - } - - // Insert the exponent - result += (rep_t)(exponent + exponentBias) << significandBits; - return fromRep(result); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_ui2f(unsigned int a) { - return __floatunsisf(a); -} -#else -AEABI_RTABI fp_t __aeabi_ui2f(unsigned int a) COMPILER_RT_ALIAS(__floatunsisf); -#endif -#endif diff --git a/lib/libcompiler_rt/floatunsitf.c b/lib/libcompiler_rt/floatunsitf.c deleted file mode 100644 index 1cd1842e709..00000000000 --- a/lib/libcompiler_rt/floatunsitf.c +++ /dev/null @@ -1,40 +0,0 @@ -//===-- lib/floatunsitf.c - uint -> quad-precision conversion -----*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements unsigned integer to quad-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -COMPILER_RT_ABI fp_t __floatunsitf(unsigned int a) { - - const int aWidth = sizeof a * CHAR_BIT; - - // Handle zero as a special case to protect clz - if (a == 0) return fromRep(0); - - // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clz(a); - rep_t result; - - // Shift a into the significand field and clear the implicit bit. - const int shift = significandBits - exponent; - result = (rep_t)a << shift ^ implicitBit; - - // Insert the exponent - result += (rep_t)(exponent + exponentBias) << significandBits; - return fromRep(result); -} - -#endif diff --git a/lib/libcompiler_rt/floatuntidf.c b/lib/libcompiler_rt/floatuntidf.c deleted file mode 100644 index 960265d8077..00000000000 --- a/lib/libcompiler_rt/floatuntidf.c +++ /dev/null @@ -1,80 +0,0 @@ -/* ===-- floatuntidf.c - Implement __floatuntidf ---------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floatuntidf for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: convert a to a double, rounding toward even. */ - -/* Assumption: double is a IEEE 64 bit floating point type - * tu_int is a 128 bit integral type - */ - -/* seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */ - -COMPILER_RT_ABI double -__floatuntidf(tu_int a) -{ - if (a == 0) - return 0.0; - const unsigned N = sizeof(tu_int) * CHAR_BIT; - int sd = N - __clzti2(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > DBL_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit DBL_MANT_DIG-1 bits to the right of 1 - * Q = bit DBL_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case DBL_MANT_DIG + 1: - a <<= 1; - break; - case DBL_MANT_DIG + 2: - break; - default: - a = (a >> (sd - (DBL_MANT_DIG+2))) | - ((a & ((tu_int)(-1) >> ((N + DBL_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to DBL_MANT_DIG or DBL_MANT_DIG+1 bits */ - if (a & ((tu_int)1 << DBL_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to DBL_MANT_DIG bits */ - } - else - { - a <<= (DBL_MANT_DIG - sd); - /* a is now rounded to DBL_MANT_DIG bits */ - } - double_bits fb; - fb.u.s.high = ((e + 1023) << 20) | /* exponent */ - ((su_int)(a >> 32) & 0x000FFFFF); /* mantissa-high */ - fb.u.s.low = (su_int)a; /* mantissa-low */ - return fb.f; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/floatuntisf.c b/lib/libcompiler_rt/floatuntisf.c deleted file mode 100644 index c0dd0275ddb..00000000000 --- a/lib/libcompiler_rt/floatuntisf.c +++ /dev/null @@ -1,79 +0,0 @@ -/* ===-- floatuntisf.c - Implement __floatuntisf ---------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floatuntisf for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: convert a to a float, rounding toward even. */ - -/* Assumption: float is a IEEE 32 bit floating point type - * tu_int is a 128 bit integral type - */ - -/* seee eeee emmm mmmm mmmm mmmm mmmm mmmm */ - -COMPILER_RT_ABI float -__floatuntisf(tu_int a) -{ - if (a == 0) - return 0.0F; - const unsigned N = sizeof(tu_int) * CHAR_BIT; - int sd = N - __clzti2(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > FLT_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit FLT_MANT_DIG-1 bits to the right of 1 - * Q = bit FLT_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case FLT_MANT_DIG + 1: - a <<= 1; - break; - case FLT_MANT_DIG + 2: - break; - default: - a = (a >> (sd - (FLT_MANT_DIG+2))) | - ((a & ((tu_int)(-1) >> ((N + FLT_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to FLT_MANT_DIG or FLT_MANT_DIG+1 bits */ - if (a & ((tu_int)1 << FLT_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to FLT_MANT_DIG bits */ - } - else - { - a <<= (FLT_MANT_DIG - sd); - /* a is now rounded to FLT_MANT_DIG bits */ - } - float_bits fb; - fb.u = ((e + 127) << 23) | /* exponent */ - ((su_int)a & 0x007FFFFF); /* mantissa */ - return fb.f; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/floatuntitf.c b/lib/libcompiler_rt/floatuntitf.c deleted file mode 100644 index e2518c93f23..00000000000 --- a/lib/libcompiler_rt/floatuntitf.c +++ /dev/null @@ -1,79 +0,0 @@ -//===-- lib/floatuntitf.c - uint128 -> quad-precision conversion --*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements tu_int to quad-precision conversion for the -// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even -// mode. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" -#include "int_lib.h" - -/* Returns: convert a tu_int to a fp_t, rounding toward even. */ - -/* Assumption: fp_t is a IEEE 128 bit floating point type - * tu_int is a 128 bit integral type - */ - -/* seee eeee eeee eeee mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | - * mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -COMPILER_RT_ABI fp_t -__floatuntitf(tu_int a) { - if (a == 0) - return 0.0; - const unsigned N = sizeof(tu_int) * CHAR_BIT; - int sd = N - __clzti2(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > LDBL_MANT_DIG) { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit LDBL_MANT_DIG-1 bits to the right of 1 - * Q = bit LDBL_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) { - case LDBL_MANT_DIG + 1: - a <<= 1; - break; - case LDBL_MANT_DIG + 2: - break; - default: - a = (a >> (sd - (LDBL_MANT_DIG+2))) | - ((a & ((tu_int)(-1) >> ((N + LDBL_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to LDBL_MANT_DIG or LDBL_MANT_DIG+1 bits */ - if (a & ((tu_int)1 << LDBL_MANT_DIG)) { - a >>= 1; - ++e; - } - /* a is now rounded to LDBL_MANT_DIG bits */ - } else { - a <<= (LDBL_MANT_DIG - sd); - /* a is now rounded to LDBL_MANT_DIG bits */ - } - - long_double_bits fb; - fb.u.high.all = (du_int)(e + 16383) << 48 /* exponent */ - | ((a >> 64) & 0x0000ffffffffffffLL); /* significand */ - fb.u.low.all = (du_int)(a); - return fb.f; -} - -#endif diff --git a/lib/libcompiler_rt/floatuntixf.c b/lib/libcompiler_rt/floatuntixf.c deleted file mode 100644 index ea81cb1bcda..00000000000 --- a/lib/libcompiler_rt/floatuntixf.c +++ /dev/null @@ -1,81 +0,0 @@ -/* ===-- floatuntixf.c - Implement __floatuntixf ---------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __floatuntixf for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: convert a to a long double, rounding toward even. */ - -/* Assumption: long double is a IEEE 80 bit floating point type padded to 128 bits - * tu_int is a 128 bit integral type - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -COMPILER_RT_ABI long double -__floatuntixf(tu_int a) -{ - if (a == 0) - return 0.0; - const unsigned N = sizeof(tu_int) * CHAR_BIT; - int sd = N - __clzti2(a); /* number of significant digits */ - int e = sd - 1; /* exponent */ - if (sd > LDBL_MANT_DIG) - { - /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx - * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR - * 12345678901234567890123456 - * 1 = msb 1 bit - * P = bit LDBL_MANT_DIG-1 bits to the right of 1 - * Q = bit LDBL_MANT_DIG bits to the right of 1 - * R = "or" of all bits to the right of Q - */ - switch (sd) - { - case LDBL_MANT_DIG + 1: - a <<= 1; - break; - case LDBL_MANT_DIG + 2: - break; - default: - a = (a >> (sd - (LDBL_MANT_DIG+2))) | - ((a & ((tu_int)(-1) >> ((N + LDBL_MANT_DIG+2) - sd))) != 0); - }; - /* finish: */ - a |= (a & 4) != 0; /* Or P into R */ - ++a; /* round - this step may add a significant bit */ - a >>= 2; /* dump Q and R */ - /* a is now rounded to LDBL_MANT_DIG or LDBL_MANT_DIG+1 bits */ - if (a & ((tu_int)1 << LDBL_MANT_DIG)) - { - a >>= 1; - ++e; - } - /* a is now rounded to LDBL_MANT_DIG bits */ - } - else - { - a <<= (LDBL_MANT_DIG - sd); - /* a is now rounded to LDBL_MANT_DIG bits */ - } - long_double_bits fb; - fb.u.high.s.low = (e + 16383); /* exponent */ - fb.u.low.all = (du_int)a; /* mantissa */ - return fb.f; -} - -#endif diff --git a/lib/libcompiler_rt/fp_add_impl.inc b/lib/libcompiler_rt/fp_add_impl.inc deleted file mode 100644 index b47be1b648e..00000000000 --- a/lib/libcompiler_rt/fp_add_impl.inc +++ /dev/null @@ -1,144 +0,0 @@ -//===----- lib/fp_add_impl.inc - floaing point addition -----------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements soft-float addition with the IEEE-754 default rounding -// (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#include "fp_lib.h" - -static __inline fp_t __addXf3__(fp_t a, fp_t b) { - rep_t aRep = toRep(a); - rep_t bRep = toRep(b); - const rep_t aAbs = aRep & absMask; - const rep_t bAbs = bRep & absMask; - - // Detect if a or b is zero, infinity, or NaN. - if (aAbs - REP_C(1) >= infRep - REP_C(1) || - bAbs - REP_C(1) >= infRep - REP_C(1)) { - // NaN + anything = qNaN - if (aAbs > infRep) return fromRep(toRep(a) | quietBit); - // anything + NaN = qNaN - if (bAbs > infRep) return fromRep(toRep(b) | quietBit); - - if (aAbs == infRep) { - // +/-infinity + -/+infinity = qNaN - if ((toRep(a) ^ toRep(b)) == signBit) return fromRep(qnanRep); - // +/-infinity + anything remaining = +/- infinity - else return a; - } - - // anything remaining + +/-infinity = +/-infinity - if (bAbs == infRep) return b; - - // zero + anything = anything - if (!aAbs) { - // but we need to get the sign right for zero + zero - if (!bAbs) return fromRep(toRep(a) & toRep(b)); - else return b; - } - - // anything + zero = anything - if (!bAbs) return a; - } - - // Swap a and b if necessary so that a has the larger absolute value. - if (bAbs > aAbs) { - const rep_t temp = aRep; - aRep = bRep; - bRep = temp; - } - - // Extract the exponent and significand from the (possibly swapped) a and b. - int aExponent = aRep >> significandBits & maxExponent; - int bExponent = bRep >> significandBits & maxExponent; - rep_t aSignificand = aRep & significandMask; - rep_t bSignificand = bRep & significandMask; - - // Normalize any denormals, and adjust the exponent accordingly. - if (aExponent == 0) aExponent = normalize(&aSignificand); - if (bExponent == 0) bExponent = normalize(&bSignificand); - - // The sign of the result is the sign of the larger operand, a. If they - // have opposite signs, we are performing a subtraction; otherwise addition. - const rep_t resultSign = aRep & signBit; - const bool subtraction = (aRep ^ bRep) & signBit; - - // Shift the significands to give us round, guard and sticky, and or in the - // implicit significand bit. (If we fell through from the denormal path it - // was already set by normalize( ), but setting it twice won't hurt - // anything.) - aSignificand = (aSignificand | implicitBit) << 3; - bSignificand = (bSignificand | implicitBit) << 3; - - // Shift the significand of b by the difference in exponents, with a sticky - // bottom bit to get rounding correct. - const unsigned int align = aExponent - bExponent; - if (align) { - if (align < typeWidth) { - const bool sticky = bSignificand << (typeWidth - align); - bSignificand = bSignificand >> align | sticky; - } else { - bSignificand = 1; // sticky; b is known to be non-zero. - } - } - if (subtraction) { - aSignificand -= bSignificand; - // If a == -b, return +zero. - if (aSignificand == 0) return fromRep(0); - - // If partial cancellation occured, we need to left-shift the result - // and adjust the exponent: - if (aSignificand < implicitBit << 3) { - const int shift = rep_clz(aSignificand) - rep_clz(implicitBit << 3); - aSignificand <<= shift; - aExponent -= shift; - } - } - else /* addition */ { - aSignificand += bSignificand; - - // If the addition carried up, we need to right-shift the result and - // adjust the exponent: - if (aSignificand & implicitBit << 4) { - const bool sticky = aSignificand & 1; - aSignificand = aSignificand >> 1 | sticky; - aExponent += 1; - } - } - - // If we have overflowed the type, return +/- infinity: - if (aExponent >= maxExponent) return fromRep(infRep | resultSign); - - if (aExponent <= 0) { - // Result is denormal before rounding; the exponent is zero and we - // need to shift the significand. - const int shift = 1 - aExponent; - const bool sticky = aSignificand << (typeWidth - shift); - aSignificand = aSignificand >> shift | sticky; - aExponent = 0; - } - - // Low three bits are round, guard, and sticky. - const int roundGuardSticky = aSignificand & 0x7; - - // Shift the significand into place, and mask off the implicit bit. - rep_t result = aSignificand >> 3 & significandMask; - - // Insert the exponent and sign. - result |= (rep_t)aExponent << significandBits; - result |= resultSign; - - // Final rounding. The result may overflow to infinity, but that is the - // correct result in that case. - if (roundGuardSticky > 0x4) result++; - if (roundGuardSticky == 0x4) result += result & 1; - return fromRep(result); -} diff --git a/lib/libcompiler_rt/fp_extend.h b/lib/libcompiler_rt/fp_extend.h deleted file mode 100644 index 6d95a068070..00000000000 --- a/lib/libcompiler_rt/fp_extend.h +++ /dev/null @@ -1,89 +0,0 @@ -//===-lib/fp_extend.h - low precision -> high precision conversion -*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// Set source and destination setting -// -//===----------------------------------------------------------------------===// - -#ifndef FP_EXTEND_HEADER -#define FP_EXTEND_HEADER - -#include "int_lib.h" - -#if defined SRC_SINGLE -typedef float src_t; -typedef uint32_t src_rep_t; -#define SRC_REP_C UINT32_C -static const int srcSigBits = 23; -#define src_rep_t_clz __builtin_clz - -#elif defined SRC_DOUBLE -typedef double src_t; -typedef uint64_t src_rep_t; -#define SRC_REP_C UINT64_C -static const int srcSigBits = 52; -static __inline int src_rep_t_clz(src_rep_t a) { -#if defined __LP64__ - return __builtin_clzl(a); -#else - if (a & REP_C(0xffffffff00000000)) - return __builtin_clz(a >> 32); - else - return 32 + __builtin_clz(a & REP_C(0xffffffff)); -#endif -} - -#elif defined SRC_HALF -typedef uint16_t src_t; -typedef uint16_t src_rep_t; -#define SRC_REP_C UINT16_C -static const int srcSigBits = 10; -#define src_rep_t_clz __builtin_clz - -#else -#error Source should be half, single, or double precision! -#endif //end source precision - -#if defined DST_SINGLE -typedef float dst_t; -typedef uint32_t dst_rep_t; -#define DST_REP_C UINT32_C -static const int dstSigBits = 23; - -#elif defined DST_DOUBLE -typedef double dst_t; -typedef uint64_t dst_rep_t; -#define DST_REP_C UINT64_C -static const int dstSigBits = 52; - -#elif defined DST_QUAD -typedef long double dst_t; -typedef __uint128_t dst_rep_t; -#define DST_REP_C (__uint128_t) -static const int dstSigBits = 112; - -#else -#error Destination should be single, double, or quad precision! -#endif //end destination precision - -// End of specialization parameters. Two helper routines for conversion to and -// from the representation of floating-point data as integer values follow. - -static __inline src_rep_t srcToRep(src_t x) { - const union { src_t f; src_rep_t i; } rep = {.f = x}; - return rep.i; -} - -static __inline dst_t dstFromRep(dst_rep_t x) { - const union { dst_t f; dst_rep_t i; } rep = {.i = x}; - return rep.f; -} -// End helper routines. Conversion implementation follows. - -#endif //FP_EXTEND_HEADER diff --git a/lib/libcompiler_rt/fp_extend_impl.inc b/lib/libcompiler_rt/fp_extend_impl.inc deleted file mode 100644 index b785cc7687a..00000000000 --- a/lib/libcompiler_rt/fp_extend_impl.inc +++ /dev/null @@ -1,108 +0,0 @@ -//=-lib/fp_extend_impl.inc - low precision -> high precision conversion -*-- -// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements a fairly generic conversion from a narrower to a wider -// IEEE-754 floating-point type. The constants and types defined following the -// includes below parameterize the conversion. -// -// It does not support types that don't use the usual IEEE-754 interchange -// formats; specifically, some work would be needed to adapt it to -// (for example) the Intel 80-bit format or PowerPC double-double format. -// -// Note please, however, that this implementation is only intended to support -// *widening* operations; if you need to convert to a *narrower* floating-point -// type (e.g. double -> float), then this routine will not do what you want it -// to. -// -// It also requires that integer types at least as large as both formats -// are available on the target platform; this may pose a problem when trying -// to add support for quad on some 32-bit systems, for example. You also may -// run into trouble finding an appropriate CLZ function for wide source types; -// you will likely need to roll your own on some platforms. -// -// Finally, the following assumptions are made: -// -// 1. floating-point types and integer types have the same endianness on the -// target platform -// -// 2. quiet NaNs, if supported, are indicated by the leading bit of the -// significand field being set -// -//===----------------------------------------------------------------------===// - -#include "fp_extend.h" - -static __inline dst_t __extendXfYf2__(src_t a) { - // Various constants whose values follow from the type parameters. - // Any reasonable optimizer will fold and propagate all of these. - const int srcBits = sizeof(src_t)*CHAR_BIT; - const int srcExpBits = srcBits - srcSigBits - 1; - const int srcInfExp = (1 << srcExpBits) - 1; - const int srcExpBias = srcInfExp >> 1; - - const src_rep_t srcMinNormal = SRC_REP_C(1) << srcSigBits; - const src_rep_t srcInfinity = (src_rep_t)srcInfExp << srcSigBits; - const src_rep_t srcSignMask = SRC_REP_C(1) << (srcSigBits + srcExpBits); - const src_rep_t srcAbsMask = srcSignMask - 1; - const src_rep_t srcQNaN = SRC_REP_C(1) << (srcSigBits - 1); - const src_rep_t srcNaNCode = srcQNaN - 1; - - const int dstBits = sizeof(dst_t)*CHAR_BIT; - const int dstExpBits = dstBits - dstSigBits - 1; - const int dstInfExp = (1 << dstExpBits) - 1; - const int dstExpBias = dstInfExp >> 1; - - const dst_rep_t dstMinNormal = DST_REP_C(1) << dstSigBits; - - // Break a into a sign and representation of the absolute value - const src_rep_t aRep = srcToRep(a); - const src_rep_t aAbs = aRep & srcAbsMask; - const src_rep_t sign = aRep & srcSignMask; - dst_rep_t absResult; - - // If sizeof(src_rep_t) < sizeof(int), the subtraction result is promoted - // to (signed) int. To avoid that, explicitly cast to src_rep_t. - if ((src_rep_t)(aAbs - srcMinNormal) < srcInfinity - srcMinNormal) { - // a is a normal number. - // Extend to the destination type by shifting the significand and - // exponent into the proper position and rebiasing the exponent. - absResult = (dst_rep_t)aAbs << (dstSigBits - srcSigBits); - absResult += (dst_rep_t)(dstExpBias - srcExpBias) << dstSigBits; - } - - else if (aAbs >= srcInfinity) { - // a is NaN or infinity. - // Conjure the result by beginning with infinity, then setting the qNaN - // bit (if needed) and right-aligning the rest of the trailing NaN - // payload field. - absResult = (dst_rep_t)dstInfExp << dstSigBits; - absResult |= (dst_rep_t)(aAbs & srcQNaN) << (dstSigBits - srcSigBits); - absResult |= (dst_rep_t)(aAbs & srcNaNCode) << (dstSigBits - srcSigBits); - } - - else if (aAbs) { - // a is denormal. - // renormalize the significand and clear the leading bit, then insert - // the correct adjusted exponent in the destination type. - const int scale = src_rep_t_clz(aAbs) - src_rep_t_clz(srcMinNormal); - absResult = (dst_rep_t)aAbs << (dstSigBits - srcSigBits + scale); - absResult ^= dstMinNormal; - const int resultExponent = dstExpBias - srcExpBias - scale + 1; - absResult |= (dst_rep_t)resultExponent << dstSigBits; - } - - else { - // a is zero. - absResult = 0; - } - - // Apply the signbit to (dst_t)abs(a). - const dst_rep_t result = absResult | (dst_rep_t)sign << (dstBits - srcBits); - return dstFromRep(result); -} diff --git a/lib/libcompiler_rt/fp_fixint_impl.inc b/lib/libcompiler_rt/fp_fixint_impl.inc deleted file mode 100644 index da70d4d3930..00000000000 --- a/lib/libcompiler_rt/fp_fixint_impl.inc +++ /dev/null @@ -1,41 +0,0 @@ -//===-- lib/fixdfsi.c - Double-precision -> integer conversion ----*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements float to integer conversion for the -// compiler-rt library. -// -//===----------------------------------------------------------------------===// - -#include "fp_lib.h" - -static __inline fixint_t __fixint(fp_t a) { - const fixint_t fixint_max = (fixint_t)((~(fixuint_t)0) / 2); - const fixint_t fixint_min = -fixint_max - 1; - // Break a into sign, exponent, significand - const rep_t aRep = toRep(a); - const rep_t aAbs = aRep & absMask; - const fixint_t sign = aRep & signBit ? -1 : 1; - const int exponent = (aAbs >> significandBits) - exponentBias; - const rep_t significand = (aAbs & significandMask) | implicitBit; - - // If exponent is negative, the result is zero. - if (exponent < 0) - return 0; - - // If the value is too large for the integer type, saturate. - if ((unsigned)exponent >= sizeof(fixint_t) * CHAR_BIT) - return sign == 1 ? fixint_max : fixint_min; - - // If 0 <= exponent < significandBits, right shift to get the result. - // Otherwise, shift left. - if (exponent < significandBits) - return sign * (significand >> (significandBits - exponent)); - else - return sign * ((fixint_t)significand << (exponent - significandBits)); -} diff --git a/lib/libcompiler_rt/fp_fixuint_impl.inc b/lib/libcompiler_rt/fp_fixuint_impl.inc deleted file mode 100644 index d68ccf27a79..00000000000 --- a/lib/libcompiler_rt/fp_fixuint_impl.inc +++ /dev/null @@ -1,39 +0,0 @@ -//===-- lib/fixdfsi.c - Double-precision -> integer conversion ----*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements float to unsigned integer conversion for the -// compiler-rt library. -// -//===----------------------------------------------------------------------===// - -#include "fp_lib.h" - -static __inline fixuint_t __fixuint(fp_t a) { - // Break a into sign, exponent, significand - const rep_t aRep = toRep(a); - const rep_t aAbs = aRep & absMask; - const int sign = aRep & signBit ? -1 : 1; - const int exponent = (aAbs >> significandBits) - exponentBias; - const rep_t significand = (aAbs & significandMask) | implicitBit; - - // If either the value or the exponent is negative, the result is zero. - if (sign == -1 || exponent < 0) - return 0; - - // If the value is too large for the integer type, saturate. - if ((unsigned)exponent >= sizeof(fixuint_t) * CHAR_BIT) - return ~(fixuint_t)0; - - // If 0 <= exponent < significandBits, right shift to get the result. - // Otherwise, shift left. - if (exponent < significandBits) - return significand >> (significandBits - exponent); - else - return (fixuint_t)significand << (exponent - significandBits); -} diff --git a/lib/libcompiler_rt/fp_lib.h b/lib/libcompiler_rt/fp_lib.h deleted file mode 100644 index a0e19ab6a8f..00000000000 --- a/lib/libcompiler_rt/fp_lib.h +++ /dev/null @@ -1,327 +0,0 @@ -//===-- lib/fp_lib.h - Floating-point utilities -------------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file is a configuration header for soft-float routines in compiler-rt. -// This file does not provide any part of the compiler-rt interface, but defines -// many useful constants and utility routines that are used in the -// implementation of the soft-float routines in compiler-rt. -// -// Assumes that float, double and long double correspond to the IEEE-754 -// binary32, binary64 and binary 128 types, respectively, and that integer -// endianness matches floating point endianness on the target platform. -// -//===----------------------------------------------------------------------===// - -#ifndef FP_LIB_HEADER -#define FP_LIB_HEADER - -#include <stdint.h> -#include <stdbool.h> -#include <limits.h> -#include "int_lib.h" -#include "int_math.h" - -// x86_64 FreeBSD prior v9.3 define fixed-width types incorrectly in -// 32-bit mode. -#if defined(__FreeBSD__) && defined(__i386__) -# include <sys/param.h> -# if __FreeBSD_version < 903000 // v9.3 -# define uint64_t unsigned long long -# define int64_t long long -# undef UINT64_C -# define UINT64_C(c) (c ## ULL) -# endif -#endif - -#if defined SINGLE_PRECISION - -typedef uint32_t rep_t; -typedef int32_t srep_t; -typedef float fp_t; -#define REP_C UINT32_C -#define significandBits 23 - -static __inline int rep_clz(rep_t a) { - return __builtin_clz(a); -} - -// 32x32 --> 64 bit multiply -static __inline void wideMultiply(rep_t a, rep_t b, rep_t *hi, rep_t *lo) { - const uint64_t product = (uint64_t)a*b; - *hi = product >> 32; - *lo = product; -} -COMPILER_RT_ABI fp_t __addsf3(fp_t a, fp_t b); - -#elif defined DOUBLE_PRECISION - -typedef uint64_t rep_t; -typedef int64_t srep_t; -typedef double fp_t; -#define REP_C UINT64_C -#define significandBits 52 - -static __inline int rep_clz(rep_t a) { -#if defined __LP64__ - return __builtin_clzl(a); -#else - if (a & REP_C(0xffffffff00000000)) - return __builtin_clz(a >> 32); - else - return 32 + __builtin_clz(a & REP_C(0xffffffff)); -#endif -} - -#define loWord(a) (a & 0xffffffffU) -#define hiWord(a) (a >> 32) - -// 64x64 -> 128 wide multiply for platforms that don't have such an operation; -// many 64-bit platforms have this operation, but they tend to have hardware -// floating-point, so we don't bother with a special case for them here. -static __inline void wideMultiply(rep_t a, rep_t b, rep_t *hi, rep_t *lo) { - // Each of the component 32x32 -> 64 products - const uint64_t plolo = loWord(a) * loWord(b); - const uint64_t plohi = loWord(a) * hiWord(b); - const uint64_t philo = hiWord(a) * loWord(b); - const uint64_t phihi = hiWord(a) * hiWord(b); - // Sum terms that contribute to lo in a way that allows us to get the carry - const uint64_t r0 = loWord(plolo); - const uint64_t r1 = hiWord(plolo) + loWord(plohi) + loWord(philo); - *lo = r0 + (r1 << 32); - // Sum terms contributing to hi with the carry from lo - *hi = hiWord(plohi) + hiWord(philo) + hiWord(r1) + phihi; -} -#undef loWord -#undef hiWord - -COMPILER_RT_ABI fp_t __adddf3(fp_t a, fp_t b); - -#elif defined QUAD_PRECISION -#if __LDBL_MANT_DIG__ == 113 -#define CRT_LDBL_128BIT -typedef __uint128_t rep_t; -typedef __int128_t srep_t; -typedef long double fp_t; -#define REP_C (__uint128_t) -// Note: Since there is no explicit way to tell compiler the constant is a -// 128-bit integer, we let the constant be casted to 128-bit integer -#define significandBits 112 - -static __inline int rep_clz(rep_t a) { - const union - { - __uint128_t ll; -#if _YUGA_BIG_ENDIAN - struct { uint64_t high, low; } s; -#else - struct { uint64_t low, high; } s; -#endif - } uu = { .ll = a }; - - uint64_t word; - uint64_t add; - - if (uu.s.high){ - word = uu.s.high; - add = 0; - } - else{ - word = uu.s.low; - add = 64; - } - return __builtin_clzll(word) + add; -} - -#define Word_LoMask UINT64_C(0x00000000ffffffff) -#define Word_HiMask UINT64_C(0xffffffff00000000) -#define Word_FullMask UINT64_C(0xffffffffffffffff) -#define Word_1(a) (uint64_t)((a >> 96) & Word_LoMask) -#define Word_2(a) (uint64_t)((a >> 64) & Word_LoMask) -#define Word_3(a) (uint64_t)((a >> 32) & Word_LoMask) -#define Word_4(a) (uint64_t)(a & Word_LoMask) - -// 128x128 -> 256 wide multiply for platforms that don't have such an operation; -// many 64-bit platforms have this operation, but they tend to have hardware -// floating-point, so we don't bother with a special case for them here. -static __inline void wideMultiply(rep_t a, rep_t b, rep_t *hi, rep_t *lo) { - - const uint64_t product11 = Word_1(a) * Word_1(b); - const uint64_t product12 = Word_1(a) * Word_2(b); - const uint64_t product13 = Word_1(a) * Word_3(b); - const uint64_t product14 = Word_1(a) * Word_4(b); - const uint64_t product21 = Word_2(a) * Word_1(b); - const uint64_t product22 = Word_2(a) * Word_2(b); - const uint64_t product23 = Word_2(a) * Word_3(b); - const uint64_t product24 = Word_2(a) * Word_4(b); - const uint64_t product31 = Word_3(a) * Word_1(b); - const uint64_t product32 = Word_3(a) * Word_2(b); - const uint64_t product33 = Word_3(a) * Word_3(b); - const uint64_t product34 = Word_3(a) * Word_4(b); - const uint64_t product41 = Word_4(a) * Word_1(b); - const uint64_t product42 = Word_4(a) * Word_2(b); - const uint64_t product43 = Word_4(a) * Word_3(b); - const uint64_t product44 = Word_4(a) * Word_4(b); - - const __uint128_t sum0 = (__uint128_t)product44; - const __uint128_t sum1 = (__uint128_t)product34 + - (__uint128_t)product43; - const __uint128_t sum2 = (__uint128_t)product24 + - (__uint128_t)product33 + - (__uint128_t)product42; - const __uint128_t sum3 = (__uint128_t)product14 + - (__uint128_t)product23 + - (__uint128_t)product32 + - (__uint128_t)product41; - const __uint128_t sum4 = (__uint128_t)product13 + - (__uint128_t)product22 + - (__uint128_t)product31; - const __uint128_t sum5 = (__uint128_t)product12 + - (__uint128_t)product21; - const __uint128_t sum6 = (__uint128_t)product11; - - const __uint128_t r0 = (sum0 & Word_FullMask) + - ((sum1 & Word_LoMask) << 32); - const __uint128_t r1 = (sum0 >> 64) + - ((sum1 >> 32) & Word_FullMask) + - (sum2 & Word_FullMask) + - ((sum3 << 32) & Word_HiMask); - - *lo = r0 + (r1 << 64); - *hi = (r1 >> 64) + - (sum1 >> 96) + - (sum2 >> 64) + - (sum3 >> 32) + - sum4 + - (sum5 << 32) + - (sum6 << 64); -} -#undef Word_1 -#undef Word_2 -#undef Word_3 -#undef Word_4 -#undef Word_HiMask -#undef Word_LoMask -#undef Word_FullMask -#endif // __LDBL_MANT_DIG__ == 113 -#else -#error SINGLE_PRECISION, DOUBLE_PRECISION or QUAD_PRECISION must be defined. -#endif - -#if defined(SINGLE_PRECISION) || defined(DOUBLE_PRECISION) || defined(CRT_LDBL_128BIT) -#define typeWidth (sizeof(rep_t)*CHAR_BIT) -#define exponentBits (typeWidth - significandBits - 1) -#define maxExponent ((1 << exponentBits) - 1) -#define exponentBias (maxExponent >> 1) - -#define implicitBit (REP_C(1) << significandBits) -#define significandMask (implicitBit - 1U) -#define signBit (REP_C(1) << (significandBits + exponentBits)) -#define absMask (signBit - 1U) -#define exponentMask (absMask ^ significandMask) -#define oneRep ((rep_t)exponentBias << significandBits) -#define infRep exponentMask -#define quietBit (implicitBit >> 1) -#define qnanRep (exponentMask | quietBit) - -static __inline rep_t toRep(fp_t x) { - const union { fp_t f; rep_t i; } rep = {.f = x}; - return rep.i; -} - -static __inline fp_t fromRep(rep_t x) { - const union { fp_t f; rep_t i; } rep = {.i = x}; - return rep.f; -} - -static __inline int normalize(rep_t *significand) { - const int shift = rep_clz(*significand) - rep_clz(implicitBit); - *significand <<= shift; - return 1 - shift; -} - -static __inline void wideLeftShift(rep_t *hi, rep_t *lo, int count) { - *hi = *hi << count | *lo >> (typeWidth - count); - *lo = *lo << count; -} - -static __inline void wideRightShiftWithSticky(rep_t *hi, rep_t *lo, unsigned int count) { - if (count < typeWidth) { - const bool sticky = *lo << (typeWidth - count); - *lo = *hi << (typeWidth - count) | *lo >> count | sticky; - *hi = *hi >> count; - } - else if (count < 2*typeWidth) { - const bool sticky = *hi << (2*typeWidth - count) | *lo; - *lo = *hi >> (count - typeWidth) | sticky; - *hi = 0; - } else { - const bool sticky = *hi | *lo; - *lo = sticky; - *hi = 0; - } -} - -// Implements logb methods (logb, logbf, logbl) for IEEE-754. This avoids -// pulling in a libm dependency from compiler-rt, but is not meant to replace -// it (i.e. code calling logb() should get the one from libm, not this), hence -// the __compiler_rt prefix. -static __inline fp_t __compiler_rt_logbX(fp_t x) { - rep_t rep = toRep(x); - int exp = (rep & exponentMask) >> significandBits; - - // Abnormal cases: - // 1) +/- inf returns +inf; NaN returns NaN - // 2) 0.0 returns -inf - if (exp == maxExponent) { - if (((rep & signBit) == 0) || (x != x)) { - return x; // NaN or +inf: return x - } else { - return -x; // -inf: return -x - } - } else if (x == 0.0) { - // 0.0: return -inf - return fromRep(infRep | signBit); - } - - if (exp != 0) { - // Normal number - return exp - exponentBias; // Unbias exponent - } else { - // Subnormal number; normalize and repeat - rep &= absMask; - const int shift = 1 - normalize(&rep); - exp = (rep & exponentMask) >> significandBits; - return exp - exponentBias - shift; // Unbias exponent - } -} -#endif - -#if defined(SINGLE_PRECISION) -static __inline fp_t __compiler_rt_logbf(fp_t x) { - return __compiler_rt_logbX(x); -} -#elif defined(DOUBLE_PRECISION) -static __inline fp_t __compiler_rt_logb(fp_t x) { - return __compiler_rt_logbX(x); -} -#elif defined(QUAD_PRECISION) - #if defined(CRT_LDBL_128BIT) -static __inline fp_t __compiler_rt_logbl(fp_t x) { - return __compiler_rt_logbX(x); -} - #else -// The generic implementation only works for ieee754 floating point. For other -// floating point types, continue to rely on the libm implementation for now. -static __inline long double __compiler_rt_logbl(long double x) { - return crt_logbl(x); -} - #endif -#endif - -#endif // FP_LIB_HEADER diff --git a/lib/libcompiler_rt/fp_mul_impl.inc b/lib/libcompiler_rt/fp_mul_impl.inc deleted file mode 100644 index b34aa1b8f54..00000000000 --- a/lib/libcompiler_rt/fp_mul_impl.inc +++ /dev/null @@ -1,116 +0,0 @@ -//===---- lib/fp_mul_impl.inc - floating point multiplication -----*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements soft-float multiplication with the IEEE-754 default -// rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#include "fp_lib.h" - -static __inline fp_t __mulXf3__(fp_t a, fp_t b) { - const unsigned int aExponent = toRep(a) >> significandBits & maxExponent; - const unsigned int bExponent = toRep(b) >> significandBits & maxExponent; - const rep_t productSign = (toRep(a) ^ toRep(b)) & signBit; - - rep_t aSignificand = toRep(a) & significandMask; - rep_t bSignificand = toRep(b) & significandMask; - int scale = 0; - - // Detect if a or b is zero, denormal, infinity, or NaN. - if (aExponent-1U >= maxExponent-1U || bExponent-1U >= maxExponent-1U) { - - const rep_t aAbs = toRep(a) & absMask; - const rep_t bAbs = toRep(b) & absMask; - - // NaN * anything = qNaN - if (aAbs > infRep) return fromRep(toRep(a) | quietBit); - // anything * NaN = qNaN - if (bAbs > infRep) return fromRep(toRep(b) | quietBit); - - if (aAbs == infRep) { - // infinity * non-zero = +/- infinity - if (bAbs) return fromRep(aAbs | productSign); - // infinity * zero = NaN - else return fromRep(qnanRep); - } - - if (bAbs == infRep) { - //? non-zero * infinity = +/- infinity - if (aAbs) return fromRep(bAbs | productSign); - // zero * infinity = NaN - else return fromRep(qnanRep); - } - - // zero * anything = +/- zero - if (!aAbs) return fromRep(productSign); - // anything * zero = +/- zero - if (!bAbs) return fromRep(productSign); - - // one or both of a or b is denormal, the other (if applicable) is a - // normal number. Renormalize one or both of a and b, and set scale to - // include the necessary exponent adjustment. - if (aAbs < implicitBit) scale += normalize(&aSignificand); - if (bAbs < implicitBit) scale += normalize(&bSignificand); - } - - // Or in the implicit significand bit. (If we fell through from the - // denormal path it was already set by normalize( ), but setting it twice - // won't hurt anything.) - aSignificand |= implicitBit; - bSignificand |= implicitBit; - - // Get the significand of a*b. Before multiplying the significands, shift - // one of them left to left-align it in the field. Thus, the product will - // have (exponentBits + 2) integral digits, all but two of which must be - // zero. Normalizing this result is just a conditional left-shift by one - // and bumping the exponent accordingly. - rep_t productHi, productLo; - wideMultiply(aSignificand, bSignificand << exponentBits, - &productHi, &productLo); - - int productExponent = aExponent + bExponent - exponentBias + scale; - - // Normalize the significand, adjust exponent if needed. - if (productHi & implicitBit) productExponent++; - else wideLeftShift(&productHi, &productLo, 1); - - // If we have overflowed the type, return +/- infinity. - if (productExponent >= maxExponent) return fromRep(infRep | productSign); - - if (productExponent <= 0) { - // Result is denormal before rounding - // - // If the result is so small that it just underflows to zero, return - // a zero of the appropriate sign. Mathematically there is no need to - // handle this case separately, but we make it a special case to - // simplify the shift logic. - const unsigned int shift = REP_C(1) - (unsigned int)productExponent; - if (shift >= typeWidth) return fromRep(productSign); - - // Otherwise, shift the significand of the result so that the round - // bit is the high bit of productLo. - wideRightShiftWithSticky(&productHi, &productLo, shift); - } - else { - // Result is normal before rounding; insert the exponent. - productHi &= significandMask; - productHi |= (rep_t)productExponent << significandBits; - } - - // Insert the sign of the result: - productHi |= productSign; - - // Final rounding. The final result may overflow to infinity, or underflow - // to zero, but those are the correct results in those cases. We use the - // default IEEE-754 round-to-nearest, ties-to-even rounding mode. - if (productLo > signBit) productHi++; - if (productLo == signBit) productHi += productHi & 1; - return fromRep(productHi); -} diff --git a/lib/libcompiler_rt/fp_trunc.h b/lib/libcompiler_rt/fp_trunc.h deleted file mode 100644 index d5e79bb5b86..00000000000 --- a/lib/libcompiler_rt/fp_trunc.h +++ /dev/null @@ -1,76 +0,0 @@ -//=== lib/fp_trunc.h - high precision -> low precision conversion *- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// Set source and destination precision setting -// -//===----------------------------------------------------------------------===// - -#ifndef FP_TRUNC_HEADER -#define FP_TRUNC_HEADER - -#include "int_lib.h" - -#if defined SRC_SINGLE -typedef float src_t; -typedef uint32_t src_rep_t; -#define SRC_REP_C UINT32_C -static const int srcSigBits = 23; - -#elif defined SRC_DOUBLE -typedef double src_t; -typedef uint64_t src_rep_t; -#define SRC_REP_C UINT64_C -static const int srcSigBits = 52; - -#elif defined SRC_QUAD -typedef long double src_t; -typedef __uint128_t src_rep_t; -#define SRC_REP_C (__uint128_t) -static const int srcSigBits = 112; - -#else -#error Source should be double precision or quad precision! -#endif //end source precision - -#if defined DST_DOUBLE -typedef double dst_t; -typedef uint64_t dst_rep_t; -#define DST_REP_C UINT64_C -static const int dstSigBits = 52; - -#elif defined DST_SINGLE -typedef float dst_t; -typedef uint32_t dst_rep_t; -#define DST_REP_C UINT32_C -static const int dstSigBits = 23; - -#elif defined DST_HALF -typedef uint16_t dst_t; -typedef uint16_t dst_rep_t; -#define DST_REP_C UINT16_C -static const int dstSigBits = 10; - -#else -#error Destination should be single precision or double precision! -#endif //end destination precision - -// End of specialization parameters. Two helper routines for conversion to and -// from the representation of floating-point data as integer values follow. - -static __inline src_rep_t srcToRep(src_t x) { - const union { src_t f; src_rep_t i; } rep = {.f = x}; - return rep.i; -} - -static __inline dst_t dstFromRep(dst_rep_t x) { - const union { dst_t f; dst_rep_t i; } rep = {.i = x}; - return rep.f; -} - -#endif // FP_TRUNC_HEADER diff --git a/lib/libcompiler_rt/fp_trunc_impl.inc b/lib/libcompiler_rt/fp_trunc_impl.inc deleted file mode 100644 index d88ae060913..00000000000 --- a/lib/libcompiler_rt/fp_trunc_impl.inc +++ /dev/null @@ -1,135 +0,0 @@ -//= lib/fp_trunc_impl.inc - high precision -> low precision conversion *-*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements a fairly generic conversion from a wider to a narrower -// IEEE-754 floating-point type in the default (round to nearest, ties to even) -// rounding mode. The constants and types defined following the includes below -// parameterize the conversion. -// -// This routine can be trivially adapted to support conversions to -// half-precision or from quad-precision. It does not support types that don't -// use the usual IEEE-754 interchange formats; specifically, some work would be -// needed to adapt it to (for example) the Intel 80-bit format or PowerPC -// double-double format. -// -// Note please, however, that this implementation is only intended to support -// *narrowing* operations; if you need to convert to a *wider* floating-point -// type (e.g. float -> double), then this routine will not do what you want it -// to. -// -// It also requires that integer types at least as large as both formats -// are available on the target platform; this may pose a problem when trying -// to add support for quad on some 32-bit systems, for example. -// -// Finally, the following assumptions are made: -// -// 1. floating-point types and integer types have the same endianness on the -// target platform -// -// 2. quiet NaNs, if supported, are indicated by the leading bit of the -// significand field being set -// -//===----------------------------------------------------------------------===// - -#include "fp_trunc.h" - -static __inline dst_t __truncXfYf2__(src_t a) { - // Various constants whose values follow from the type parameters. - // Any reasonable optimizer will fold and propagate all of these. - const int srcBits = sizeof(src_t)*CHAR_BIT; - const int srcExpBits = srcBits - srcSigBits - 1; - const int srcInfExp = (1 << srcExpBits) - 1; - const int srcExpBias = srcInfExp >> 1; - - const src_rep_t srcMinNormal = SRC_REP_C(1) << srcSigBits; - const src_rep_t srcSignificandMask = srcMinNormal - 1; - const src_rep_t srcInfinity = (src_rep_t)srcInfExp << srcSigBits; - const src_rep_t srcSignMask = SRC_REP_C(1) << (srcSigBits + srcExpBits); - const src_rep_t srcAbsMask = srcSignMask - 1; - const src_rep_t roundMask = (SRC_REP_C(1) << (srcSigBits - dstSigBits)) - 1; - const src_rep_t halfway = SRC_REP_C(1) << (srcSigBits - dstSigBits - 1); - const src_rep_t srcQNaN = SRC_REP_C(1) << (srcSigBits - 1); - const src_rep_t srcNaNCode = srcQNaN - 1; - - const int dstBits = sizeof(dst_t)*CHAR_BIT; - const int dstExpBits = dstBits - dstSigBits - 1; - const int dstInfExp = (1 << dstExpBits) - 1; - const int dstExpBias = dstInfExp >> 1; - - const int underflowExponent = srcExpBias + 1 - dstExpBias; - const int overflowExponent = srcExpBias + dstInfExp - dstExpBias; - const src_rep_t underflow = (src_rep_t)underflowExponent << srcSigBits; - const src_rep_t overflow = (src_rep_t)overflowExponent << srcSigBits; - - const dst_rep_t dstQNaN = DST_REP_C(1) << (dstSigBits - 1); - const dst_rep_t dstNaNCode = dstQNaN - 1; - - // Break a into a sign and representation of the absolute value - const src_rep_t aRep = srcToRep(a); - const src_rep_t aAbs = aRep & srcAbsMask; - const src_rep_t sign = aRep & srcSignMask; - dst_rep_t absResult; - - if (aAbs - underflow < aAbs - overflow) { - // The exponent of a is within the range of normal numbers in the - // destination format. We can convert by simply right-shifting with - // rounding and adjusting the exponent. - absResult = aAbs >> (srcSigBits - dstSigBits); - absResult -= (dst_rep_t)(srcExpBias - dstExpBias) << dstSigBits; - - const src_rep_t roundBits = aAbs & roundMask; - // Round to nearest - if (roundBits > halfway) - absResult++; - // Ties to even - else if (roundBits == halfway) - absResult += absResult & 1; - } - else if (aAbs > srcInfinity) { - // a is NaN. - // Conjure the result by beginning with infinity, setting the qNaN - // bit and inserting the (truncated) trailing NaN field. - absResult = (dst_rep_t)dstInfExp << dstSigBits; - absResult |= dstQNaN; - absResult |= ((aAbs & srcNaNCode) >> (srcSigBits - dstSigBits)) & dstNaNCode; - } - else if (aAbs >= overflow) { - // a overflows to infinity. - absResult = (dst_rep_t)dstInfExp << dstSigBits; - } - else { - // a underflows on conversion to the destination type or is an exact - // zero. The result may be a denormal or zero. Extract the exponent - // to get the shift amount for the denormalization. - const int aExp = aAbs >> srcSigBits; - const int shift = srcExpBias - dstExpBias - aExp + 1; - - const src_rep_t significand = (aRep & srcSignificandMask) | srcMinNormal; - - // Right shift by the denormalization amount with sticky. - if (shift > srcSigBits) { - absResult = 0; - } else { - const bool sticky = significand << (srcBits - shift); - src_rep_t denormalizedSignificand = significand >> shift | sticky; - absResult = denormalizedSignificand >> (srcSigBits - dstSigBits); - const src_rep_t roundBits = denormalizedSignificand & roundMask; - // Round to nearest - if (roundBits > halfway) - absResult++; - // Ties to even - else if (roundBits == halfway) - absResult += absResult & 1; - } - } - - // Apply the signbit to (dst_t)abs(a). - const dst_rep_t result = absResult | sign >> (srcBits - dstBits); - return dstFromRep(result); -} diff --git a/lib/libcompiler_rt/gcc_personality_v0.c b/lib/libcompiler_rt/gcc_personality_v0.c deleted file mode 100644 index 68581ef1643..00000000000 --- a/lib/libcompiler_rt/gcc_personality_v0.c +++ /dev/null @@ -1,251 +0,0 @@ -/* ===-- gcc_personality_v0.c - Implement __gcc_personality_v0 -------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - */ - -#include "int_lib.h" - -#include <unwind.h> -#if defined(__arm__) && !defined(__ARM_DWARF_EH__) && !defined(__USING_SJLJ_EXCEPTIONS__) -/* - * When building with older compilers (e.g. clang <3.9), it is possible that we - * have a version of unwind.h which does not provide the EHABI declarations - * which are quired for the C personality to conform to the specification. In - * order to provide forward compatibility for such compilers, we re-declare the - * necessary interfaces in the helper to permit a standalone compilation of the - * builtins (which contains the C unwinding personality for historical reasons). - */ -#include "unwind-ehabi-helpers.h" -#endif - -/* - * Pointer encodings documented at: - * http://refspecs.freestandards.org/LSB_1.3.0/gLSB/gLSB/ehframehdr.html - */ - -#define DW_EH_PE_omit 0xff /* no data follows */ - -#define DW_EH_PE_absptr 0x00 -#define DW_EH_PE_uleb128 0x01 -#define DW_EH_PE_udata2 0x02 -#define DW_EH_PE_udata4 0x03 -#define DW_EH_PE_udata8 0x04 -#define DW_EH_PE_sleb128 0x09 -#define DW_EH_PE_sdata2 0x0A -#define DW_EH_PE_sdata4 0x0B -#define DW_EH_PE_sdata8 0x0C - -#define DW_EH_PE_pcrel 0x10 -#define DW_EH_PE_textrel 0x20 -#define DW_EH_PE_datarel 0x30 -#define DW_EH_PE_funcrel 0x40 -#define DW_EH_PE_aligned 0x50 -#define DW_EH_PE_indirect 0x80 /* gcc extension */ - - - -/* read a uleb128 encoded value and advance pointer */ -static uintptr_t readULEB128(const uint8_t** data) -{ - uintptr_t result = 0; - uintptr_t shift = 0; - unsigned char byte; - const uint8_t* p = *data; - do { - byte = *p++; - result |= (byte & 0x7f) << shift; - shift += 7; - } while (byte & 0x80); - *data = p; - return result; -} - -/* read a pointer encoded value and advance pointer */ -static uintptr_t readEncodedPointer(const uint8_t** data, uint8_t encoding) -{ - const uint8_t* p = *data; - uintptr_t result = 0; - - if ( encoding == DW_EH_PE_omit ) - return 0; - - /* first get value */ - switch (encoding & 0x0F) { - case DW_EH_PE_absptr: - result = *((const uintptr_t*)p); - p += sizeof(uintptr_t); - break; - case DW_EH_PE_uleb128: - result = readULEB128(&p); - break; - case DW_EH_PE_udata2: - result = *((const uint16_t*)p); - p += sizeof(uint16_t); - break; - case DW_EH_PE_udata4: - result = *((const uint32_t*)p); - p += sizeof(uint32_t); - break; - case DW_EH_PE_udata8: - result = *((const uint64_t*)p); - p += sizeof(uint64_t); - break; - case DW_EH_PE_sdata2: - result = *((const int16_t*)p); - p += sizeof(int16_t); - break; - case DW_EH_PE_sdata4: - result = *((const int32_t*)p); - p += sizeof(int32_t); - break; - case DW_EH_PE_sdata8: - result = *((const int64_t*)p); - p += sizeof(int64_t); - break; - case DW_EH_PE_sleb128: - default: - /* not supported */ - compilerrt_abort(); - break; - } - - /* then add relative offset */ - switch ( encoding & 0x70 ) { - case DW_EH_PE_absptr: - /* do nothing */ - break; - case DW_EH_PE_pcrel: - result += (uintptr_t)(*data); - break; - case DW_EH_PE_textrel: - case DW_EH_PE_datarel: - case DW_EH_PE_funcrel: - case DW_EH_PE_aligned: - default: - /* not supported */ - compilerrt_abort(); - break; - } - - /* then apply indirection */ - if (encoding & DW_EH_PE_indirect) { - result = *((const uintptr_t*)result); - } - - *data = p; - return result; -} - -#if defined(__arm__) && !defined(__USING_SJLJ_EXCEPTIONS__) && \ - !defined(__ARM_DWARF_EH__) -#define USING_ARM_EHABI 1 -_Unwind_Reason_Code __gnu_unwind_frame(struct _Unwind_Exception *, - struct _Unwind_Context *); -#endif - -static inline _Unwind_Reason_Code -continueUnwind(struct _Unwind_Exception *exceptionObject, - struct _Unwind_Context *context) { -#if USING_ARM_EHABI - /* - * On ARM EHABI the personality routine is responsible for actually - * unwinding a single stack frame before returning (ARM EHABI Sec. 6.1). - */ - if (__gnu_unwind_frame(exceptionObject, context) != _URC_OK) - return _URC_FAILURE; -#endif - return _URC_CONTINUE_UNWIND; -} - -/* - * The C compiler makes references to __gcc_personality_v0 in - * the dwarf unwind information for translation units that use - * __attribute__((cleanup(xx))) on local variables. - * This personality routine is called by the system unwinder - * on each frame as the stack is unwound during a C++ exception - * throw through a C function compiled with -fexceptions. - */ -#if __USING_SJLJ_EXCEPTIONS__ -/* the setjump-longjump based exceptions personality routine has a - * different name */ -COMPILER_RT_ABI _Unwind_Reason_Code -__gcc_personality_sj0(int version, _Unwind_Action actions, - uint64_t exceptionClass, struct _Unwind_Exception* exceptionObject, - struct _Unwind_Context *context) -#elif USING_ARM_EHABI -/* The ARM EHABI personality routine has a different signature. */ -COMPILER_RT_ABI _Unwind_Reason_Code __gcc_personality_v0( - _Unwind_State state, struct _Unwind_Exception *exceptionObject, - struct _Unwind_Context *context) -#else -COMPILER_RT_ABI _Unwind_Reason_Code -__gcc_personality_v0(int version, _Unwind_Action actions, - uint64_t exceptionClass, struct _Unwind_Exception* exceptionObject, - struct _Unwind_Context *context) -#endif -{ - /* Since C does not have catch clauses, there is nothing to do during */ - /* phase 1 (the search phase). */ -#if USING_ARM_EHABI - /* After resuming from a cleanup we should also continue on to the next - * frame straight away. */ - if ((state & _US_ACTION_MASK) != _US_UNWIND_FRAME_STARTING) -#else - if ( actions & _UA_SEARCH_PHASE ) -#endif - return continueUnwind(exceptionObject, context); - - /* There is nothing to do if there is no LSDA for this frame. */ - const uint8_t* lsda = (uint8_t*)_Unwind_GetLanguageSpecificData(context); - if ( lsda == (uint8_t*) 0 ) - return continueUnwind(exceptionObject, context); - - uintptr_t pc = (uintptr_t)_Unwind_GetIP(context)-1; - uintptr_t funcStart = (uintptr_t)_Unwind_GetRegionStart(context); - uintptr_t pcOffset = pc - funcStart; - - /* Parse LSDA header. */ - uint8_t lpStartEncoding = *lsda++; - if (lpStartEncoding != DW_EH_PE_omit) { - readEncodedPointer(&lsda, lpStartEncoding); - } - uint8_t ttypeEncoding = *lsda++; - if (ttypeEncoding != DW_EH_PE_omit) { - readULEB128(&lsda); - } - /* Walk call-site table looking for range that includes current PC. */ - uint8_t callSiteEncoding = *lsda++; - uint32_t callSiteTableLength = readULEB128(&lsda); - const uint8_t* callSiteTableStart = lsda; - const uint8_t* callSiteTableEnd = callSiteTableStart + callSiteTableLength; - const uint8_t* p=callSiteTableStart; - while (p < callSiteTableEnd) { - uintptr_t start = readEncodedPointer(&p, callSiteEncoding); - uintptr_t length = readEncodedPointer(&p, callSiteEncoding); - uintptr_t landingPad = readEncodedPointer(&p, callSiteEncoding); - readULEB128(&p); /* action value not used for C code */ - if ( landingPad == 0 ) - continue; /* no landing pad for this entry */ - if ( (start <= pcOffset) && (pcOffset < (start+length)) ) { - /* Found landing pad for the PC. - * Set Instruction Pointer to so we re-enter function - * at landing pad. The landing pad is created by the compiler - * to take two parameters in registers. - */ - _Unwind_SetGR(context, __builtin_eh_return_data_regno(0), - (uintptr_t)exceptionObject); - _Unwind_SetGR(context, __builtin_eh_return_data_regno(1), 0); - _Unwind_SetIP(context, (funcStart + landingPad)); - return _URC_INSTALL_CONTEXT; - } - } - - /* No landing pad found, continue unwinding. */ - return continueUnwind(exceptionObject, context); -} diff --git a/lib/libcompiler_rt/i386/ashldi3.S b/lib/libcompiler_rt/i386/ashldi3.S deleted file mode 100644 index 6f05dcf7444..00000000000 --- a/lib/libcompiler_rt/i386/ashldi3.S +++ /dev/null @@ -1,61 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// di_int __ashldi3(di_int input, int count); - -// This routine has some extra memory traffic, loading the 64-bit input via two -// 32-bit loads, then immediately storing it back to the stack via a single 64-bit -// store. This is to avoid a write-small, read-large stall. -// However, if callers of this routine can be safely assumed to store the argument -// via a 64-bt store, this is unnecessary memory traffic, and should be avoided. -// It can be turned off by defining the TRUST_CALLERS_USE_64_BIT_STORES macro. - -#ifdef __i386__ -#ifdef __SSE2__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__ashldi3) - movd 12(%esp), %xmm2 // Load count -#ifndef TRUST_CALLERS_USE_64_BIT_STORES - movd 4(%esp), %xmm0 - movd 8(%esp), %xmm1 - punpckldq %xmm1, %xmm0 // Load input -#else - movq 4(%esp), %xmm0 // Load input -#endif - psllq %xmm2, %xmm0 // shift input by count - movd %xmm0, %eax - psrlq $32, %xmm0 - movd %xmm0, %edx - ret -END_COMPILERRT_FUNCTION(__ashldi3) - -#else // Use GPRs instead of SSE2 instructions, if they aren't available. - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__ashldi3) - movl 12(%esp), %ecx // Load count - movl 8(%esp), %edx // Load high - movl 4(%esp), %eax // Load low - - testl $0x20, %ecx // If count >= 32 - jnz 1f // goto 1 - shldl %cl, %eax, %edx // left shift high by count - shll %cl, %eax // left shift low by count - ret - -1: movl %eax, %edx // Move low to high - xorl %eax, %eax // clear low - shll %cl, %edx // shift high by count - 32 - ret -END_COMPILERRT_FUNCTION(__ashldi3) - -#endif // __SSE2__ -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/ashrdi3.S b/lib/libcompiler_rt/i386/ashrdi3.S deleted file mode 100644 index 206369f360a..00000000000 --- a/lib/libcompiler_rt/i386/ashrdi3.S +++ /dev/null @@ -1,72 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// di_int __ashrdi3(di_int input, int count); - -#ifdef __i386__ -#ifdef __SSE2__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__ashrdi3) - movd 12(%esp), %xmm2 // Load count - movl 8(%esp), %eax -#ifndef TRUST_CALLERS_USE_64_BIT_STORES - movd 4(%esp), %xmm0 - movd 8(%esp), %xmm1 - punpckldq %xmm1, %xmm0 // Load input -#else - movq 4(%esp), %xmm0 // Load input -#endif - - psrlq %xmm2, %xmm0 // unsigned shift input by count - - testl %eax, %eax // check the sign-bit of the input - jns 1f // early out for positive inputs - - // If the input is negative, we need to construct the shifted sign bit - // to or into the result, as xmm does not have a signed right shift. - pcmpeqb %xmm1, %xmm1 // -1ULL - psrlq $58, %xmm1 // 0x3f - pandn %xmm1, %xmm2 // 63 - count - pcmpeqb %xmm1, %xmm1 // -1ULL - psubq %xmm1, %xmm2 // 64 - count - psllq %xmm2, %xmm1 // -1 << (64 - count) = leading sign bits - por %xmm1, %xmm0 - - // Move the result back to the general purpose registers and return -1: movd %xmm0, %eax - psrlq $32, %xmm0 - movd %xmm0, %edx - ret -END_COMPILERRT_FUNCTION(__ashrdi3) - -#else // Use GPRs instead of SSE2 instructions, if they aren't available. - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__ashrdi3) - movl 12(%esp), %ecx // Load count - movl 8(%esp), %edx // Load high - movl 4(%esp), %eax // Load low - - testl $0x20, %ecx // If count >= 32 - jnz 1f // goto 1 - - shrdl %cl, %edx, %eax // right shift low by count - sarl %cl, %edx // right shift high by count - ret - -1: movl %edx, %eax // Move high to low - sarl $31, %edx // clear high - sarl %cl, %eax // shift low by count - 32 - ret -END_COMPILERRT_FUNCTION(__ashrdi3) - -#endif // __SSE2__ -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/chkstk.S b/lib/libcompiler_rt/i386/chkstk.S deleted file mode 100644 index b59974868f2..00000000000 --- a/lib/libcompiler_rt/i386/chkstk.S +++ /dev/null @@ -1,34 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// _chkstk routine -// This routine is windows specific -// http://msdn.microsoft.com/en-us/library/ms648426.aspx - -#ifdef __i386__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__chkstk_ms) - push %ecx - push %eax - cmp $0x1000,%eax - lea 12(%esp),%ecx - jb 1f -2: - sub $0x1000,%ecx - test %ecx,(%ecx) - sub $0x1000,%eax - cmp $0x1000,%eax - ja 2b -1: - sub %eax,%ecx - test %ecx,(%ecx) - pop %eax - pop %ecx - ret -END_COMPILERRT_FUNCTION(__chkstk_ms) - -#endif // __i386__ diff --git a/lib/libcompiler_rt/i386/chkstk2.S b/lib/libcompiler_rt/i386/chkstk2.S deleted file mode 100644 index 7d65bb08892..00000000000 --- a/lib/libcompiler_rt/i386/chkstk2.S +++ /dev/null @@ -1,40 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -#ifdef __i386__ - -// _chkstk (_alloca) routine - probe stack between %esp and (%esp-%eax) in 4k increments, -// then decrement %esp by %eax. Preserves all registers except %esp and flags. -// This routine is windows specific -// http://msdn.microsoft.com/en-us/library/ms648426.aspx - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(_alloca) // _chkstk and _alloca are the same function -DEFINE_COMPILERRT_FUNCTION(__chkstk) - push %ecx - cmp $0x1000,%eax - lea 8(%esp),%ecx // esp before calling this routine -> ecx - jb 1f -2: - sub $0x1000,%ecx - test %ecx,(%ecx) - sub $0x1000,%eax - cmp $0x1000,%eax - ja 2b -1: - sub %eax,%ecx - test %ecx,(%ecx) - - lea 4(%esp),%eax // load pointer to the return address into eax - mov %ecx,%esp // install the new top of stack pointer into esp - mov -4(%eax),%ecx // restore ecx - push (%eax) // push return address onto the stack - sub %esp,%eax // restore the original value in eax - ret -END_COMPILERRT_FUNCTION(__chkstk) -END_COMPILERRT_FUNCTION(_alloca) - -#endif // __i386__ diff --git a/lib/libcompiler_rt/i386/divdi3.S b/lib/libcompiler_rt/i386/divdi3.S deleted file mode 100644 index 2fb4bdcad90..00000000000 --- a/lib/libcompiler_rt/i386/divdi3.S +++ /dev/null @@ -1,165 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// di_int __divdi3(di_int a, di_int b); - -// result = a / b. -// both inputs and the output are 64-bit signed integers. -// This will do whatever the underlying hardware is set to do on division by zero. -// No other exceptions are generated, as the divide cannot overflow. -// -// This is targeted at 32-bit x86 *only*, as this can be done directly in hardware -// on x86_64. The performance goal is ~40 cycles per divide, which is faster than -// currently possible via simulation of integer divides on the x87 unit. -// -// Stephen Canon, December 2008 - -#ifdef __i386__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__divdi3) - -/* This is currently implemented by wrapping the unsigned divide up in an absolute - value, then restoring the correct sign at the end of the computation. This could - certainly be improved upon. */ - - pushl %esi - movl 20(%esp), %edx // high word of b - movl 16(%esp), %eax // low word of b - movl %edx, %ecx - sarl $31, %ecx // (b < 0) ? -1 : 0 - xorl %ecx, %eax - xorl %ecx, %edx // EDX:EAX = (b < 0) ? not(b) : b - subl %ecx, %eax - sbbl %ecx, %edx // EDX:EAX = abs(b) - movl %edx, 20(%esp) - movl %eax, 16(%esp) // store abs(b) back to stack - movl %ecx, %esi // set aside sign of b - - movl 12(%esp), %edx // high word of b - movl 8(%esp), %eax // low word of b - movl %edx, %ecx - sarl $31, %ecx // (a < 0) ? -1 : 0 - xorl %ecx, %eax - xorl %ecx, %edx // EDX:EAX = (a < 0) ? not(a) : a - subl %ecx, %eax - sbbl %ecx, %edx // EDX:EAX = abs(a) - movl %edx, 12(%esp) - movl %eax, 8(%esp) // store abs(a) back to stack - xorl %ecx, %esi // sign of result = (sign of a) ^ (sign of b) - - pushl %ebx - movl 24(%esp), %ebx // Find the index i of the leading bit in b. - bsrl %ebx, %ecx // If the high word of b is zero, jump to - jz 9f // the code to handle that special case [9]. - - /* High word of b is known to be non-zero on this branch */ - - movl 20(%esp), %eax // Construct bhi, containing bits [1+i:32+i] of b - - shrl %cl, %eax // Practically, this means that bhi is given by: - shrl %eax // - notl %ecx // bhi = (high word of b) << (31 - i) | - shll %cl, %ebx // (low word of b) >> (1 + i) - orl %eax, %ebx // - movl 16(%esp), %edx // Load the high and low words of a, and jump - movl 12(%esp), %eax // to [1] if the high word is larger than bhi - cmpl %ebx, %edx // to avoid overflowing the upcoming divide. - jae 1f - - /* High word of a is greater than or equal to (b >> (1 + i)) on this branch */ - - divl %ebx // eax <-- qs, edx <-- r such that ahi:alo = bs*qs + r - - pushl %edi - notl %ecx - shrl %eax - shrl %cl, %eax // q = qs >> (1 + i) - movl %eax, %edi - mull 24(%esp) // q*blo - movl 16(%esp), %ebx - movl 20(%esp), %ecx // ECX:EBX = a - subl %eax, %ebx - sbbl %edx, %ecx // ECX:EBX = a - q*blo - movl 28(%esp), %eax - imull %edi, %eax // q*bhi - subl %eax, %ecx // ECX:EBX = a - q*b - sbbl $0, %edi // decrement q if remainder is negative - xorl %edx, %edx - movl %edi, %eax - - addl %esi, %eax // Restore correct sign to result - adcl %esi, %edx - xorl %esi, %eax - xorl %esi, %edx - popl %edi // Restore callee-save registers - popl %ebx - popl %esi - retl // Return - - -1: /* High word of a is greater than or equal to (b >> (1 + i)) on this branch */ - - subl %ebx, %edx // subtract bhi from ahi so that divide will not - divl %ebx // overflow, and find q and r such that - // - // ahi:alo = (1:q)*bhi + r - // - // Note that q is a number in (31-i).(1+i) - // fix point. - - pushl %edi - notl %ecx - shrl %eax - orl $0x80000000, %eax - shrl %cl, %eax // q = (1:qs) >> (1 + i) - movl %eax, %edi - mull 24(%esp) // q*blo - movl 16(%esp), %ebx - movl 20(%esp), %ecx // ECX:EBX = a - subl %eax, %ebx - sbbl %edx, %ecx // ECX:EBX = a - q*blo - movl 28(%esp), %eax - imull %edi, %eax // q*bhi - subl %eax, %ecx // ECX:EBX = a - q*b - sbbl $0, %edi // decrement q if remainder is negative - xorl %edx, %edx - movl %edi, %eax - - addl %esi, %eax // Restore correct sign to result - adcl %esi, %edx - xorl %esi, %eax - xorl %esi, %edx - popl %edi // Restore callee-save registers - popl %ebx - popl %esi - retl // Return - - -9: /* High word of b is zero on this branch */ - - movl 16(%esp), %eax // Find qhi and rhi such that - movl 20(%esp), %ecx // - xorl %edx, %edx // ahi = qhi*b + rhi with 0 ≤ rhi < b - divl %ecx // - movl %eax, %ebx // - movl 12(%esp), %eax // Find qlo such that - divl %ecx // - movl %ebx, %edx // rhi:alo = qlo*b + rlo with 0 ≤ rlo < b - - addl %esi, %eax // Restore correct sign to result - adcl %esi, %edx - xorl %esi, %eax - xorl %esi, %edx - popl %ebx // Restore callee-save registers - popl %esi - retl // Return -END_COMPILERRT_FUNCTION(__divdi3) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/floatdidf.S b/lib/libcompiler_rt/i386/floatdidf.S deleted file mode 100644 index d75dfe62d6a..00000000000 --- a/lib/libcompiler_rt/i386/floatdidf.S +++ /dev/null @@ -1,42 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// double __floatundidf(du_int a); - -#ifdef __i386__ - -CONST_SECTION - - .balign 16 -twop52: - .quad 0x4330000000000000 - - .balign 16 -twop32: - .quad 0x41f0000000000000 - -#define REL_ADDR(_a) (_a)-0b(%eax) - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatdidf) - cvtsi2sd 8(%esp), %xmm1 - movss 4(%esp), %xmm0 // low 32 bits of a - calll 0f -0: popl %eax - mulsd REL_ADDR(twop32), %xmm1 // a_hi as a double (without rounding) - movsd REL_ADDR(twop52), %xmm2 // 0x1.0p52 - subsd %xmm2, %xmm1 // a_hi - 0x1p52 (no rounding occurs) - orpd %xmm2, %xmm0 // 0x1p52 + a_lo (no rounding occurs) - addsd %xmm1, %xmm0 // a_hi + a_lo (round happens here) - movsd %xmm0, 4(%esp) - fldl 4(%esp) - ret -END_COMPILERRT_FUNCTION(__floatdidf) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/floatdisf.S b/lib/libcompiler_rt/i386/floatdisf.S deleted file mode 100644 index 0874eaaa9a9..00000000000 --- a/lib/libcompiler_rt/i386/floatdisf.S +++ /dev/null @@ -1,35 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// float __floatdisf(di_int a); - -// This routine has some extra memory traffic, loading the 64-bit input via two -// 32-bit loads, then immediately storing it back to the stack via a single 64-bit -// store. This is to avoid a write-small, read-large stall. -// However, if callers of this routine can be safely assumed to store the argument -// via a 64-bt store, this is unnecessary memory traffic, and should be avoided. -// It can be turned off by defining the TRUST_CALLERS_USE_64_BIT_STORES macro. - -#ifdef __i386__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatdisf) -#ifndef TRUST_CALLERS_USE_64_BIT_STORES - movd 4(%esp), %xmm0 - movd 8(%esp), %xmm1 - punpckldq %xmm1, %xmm0 - movq %xmm0, 4(%esp) -#endif - fildll 4(%esp) - fstps 4(%esp) - flds 4(%esp) - ret -END_COMPILERRT_FUNCTION(__floatdisf) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/floatdixf.S b/lib/libcompiler_rt/i386/floatdixf.S deleted file mode 100644 index 1044ef55a1a..00000000000 --- a/lib/libcompiler_rt/i386/floatdixf.S +++ /dev/null @@ -1,33 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// float __floatdixf(di_int a); - -#ifdef __i386__ - -// This routine has some extra memory traffic, loading the 64-bit input via two -// 32-bit loads, then immediately storing it back to the stack via a single 64-bit -// store. This is to avoid a write-small, read-large stall. -// However, if callers of this routine can be safely assumed to store the argument -// via a 64-bt store, this is unnecessary memory traffic, and should be avoided. -// It can be turned off by defining the TRUST_CALLERS_USE_64_BIT_STORES macro. - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatdixf) -#ifndef TRUST_CALLERS_USE_64_BIT_STORES - movd 4(%esp), %xmm0 - movd 8(%esp), %xmm1 - punpckldq %xmm1, %xmm0 - movq %xmm0, 4(%esp) -#endif - fildll 4(%esp) - ret -END_COMPILERRT_FUNCTION(__floatdixf) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/floatundidf.S b/lib/libcompiler_rt/i386/floatundidf.S deleted file mode 100644 index fe032348e82..00000000000 --- a/lib/libcompiler_rt/i386/floatundidf.S +++ /dev/null @@ -1,55 +0,0 @@ -//===-- floatundidf.S - Implement __floatundidf for i386 ------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements __floatundidf for the compiler_rt library. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// double __floatundidf(du_int a); - -#ifdef __i386__ - -CONST_SECTION - - .balign 16 -twop52: - .quad 0x4330000000000000 - - .balign 16 -twop84_plus_twop52: - .quad 0x4530000000100000 - - .balign 16 -twop84: - .quad 0x4530000000000000 - -#define REL_ADDR(_a) (_a)-0b(%eax) - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatundidf) - movss 8(%esp), %xmm1 // high 32 bits of a - movss 4(%esp), %xmm0 // low 32 bits of a - calll 0f -0: popl %eax - orpd REL_ADDR(twop84), %xmm1 // 0x1p84 + a_hi (no rounding occurs) - subsd REL_ADDR(twop84_plus_twop52), %xmm1 // a_hi - 0x1p52 (no rounding occurs) - orpd REL_ADDR(twop52), %xmm0 // 0x1p52 + a_lo (no rounding occurs) - addsd %xmm1, %xmm0 // a_hi + a_lo (round happens here) - movsd %xmm0, 4(%esp) - fldl 4(%esp) - ret -END_COMPILERRT_FUNCTION(__floatundidf) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/floatundisf.S b/lib/libcompiler_rt/i386/floatundisf.S deleted file mode 100644 index 16000b57602..00000000000 --- a/lib/libcompiler_rt/i386/floatundisf.S +++ /dev/null @@ -1,108 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// float __floatundisf(du_int a); - -// Note that there is a hardware instruction, fildll, that does most of what -// this function needs to do. However, because of our ia32 ABI, it will take -// a write-small read-large stall, so the software implementation here is -// actually several cycles faster. - -// This is a branch-free implementation. A branchy implementation might be -// faster for the common case if you know something a priori about the input -// distribution. - -/* branch-free x87 implementation - one cycle slower than without x87. - -#ifdef __i386__ - -CONST_SECTION -.balign 3 - - .quad 0x43f0000000000000 -twop64: .quad 0x0000000000000000 - -#define TWOp64 twop64-0b(%ecx,%eax,8) - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatundisf) - movl 8(%esp), %eax - movd 8(%esp), %xmm1 - movd 4(%esp), %xmm0 - punpckldq %xmm1, %xmm0 - calll 0f -0: popl %ecx - sarl $31, %eax - movq %xmm0, 4(%esp) - fildll 4(%esp) - faddl TWOp64 - fstps 4(%esp) - flds 4(%esp) - ret -END_COMPILERRT_FUNCTION(__floatundisf) - -#endif // __i386__ - -*/ - -/* branch-free, x87-free implementation - faster at the expense of code size */ - -#ifdef __i386__ - -CONST_SECTION - - .balign 16 -twop52: - .quad 0x4330000000000000 - .quad 0x0000000000000fff - - .balign 16 -sticky: - .quad 0x0000000000000000 - .long 0x00000012 - - .balign 16 -twelve: - .long 0x00000000 - -#define TWOp52 twop52-0b(%ecx) -#define STICKY sticky-0b(%ecx,%eax,8) - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatundisf) - movl 8(%esp), %eax - movd 8(%esp), %xmm1 - movd 4(%esp), %xmm0 - punpckldq %xmm1, %xmm0 - - calll 0f -0: popl %ecx - shrl %eax // high 31 bits of input as sint32 - addl $0x7ff80000, %eax - sarl $31, %eax // (big input) ? -1 : 0 - movsd STICKY, %xmm1 // (big input) ? 0xfff : 0 - movl $12, %edx - andl %eax, %edx // (big input) ? 12 : 0 - movd %edx, %xmm3 - andpd %xmm0, %xmm1 // (big input) ? input & 0xfff : 0 - movsd TWOp52, %xmm2 // 0x1.0p52 - psrlq %xmm3, %xmm0 // (big input) ? input >> 12 : input - orpd %xmm2, %xmm1 // 0x1.0p52 + ((big input) ? input & 0xfff : input) - orpd %xmm1, %xmm0 // 0x1.0p52 + ((big input) ? (input >> 12 | input & 0xfff) : input) - subsd %xmm2, %xmm0 // (double)((big input) ? (input >> 12 | input & 0xfff) : input) - cvtsd2ss %xmm0, %xmm0 // (float)((big input) ? (input >> 12 | input & 0xfff) : input) - pslld $23, %xmm3 - paddd %xmm3, %xmm0 // (float)input - movd %xmm0, 4(%esp) - flds 4(%esp) - ret -END_COMPILERRT_FUNCTION(__floatundisf) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/floatundixf.S b/lib/libcompiler_rt/i386/floatundixf.S deleted file mode 100644 index c935670cb52..00000000000 --- a/lib/libcompiler_rt/i386/floatundixf.S +++ /dev/null @@ -1,46 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// long double __floatundixf(du_int a);16 - -#ifdef __i386__ - -CONST_SECTION - - .balign 16 -twop52: - .quad 0x4330000000000000 - - .balign 16 -twop84_plus_twop52_neg: - .quad 0xc530000000100000 - - .balign 16 -twop84: - .quad 0x4530000000000000 - -#define REL_ADDR(_a) (_a)-0b(%eax) - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatundixf) - calll 0f -0: popl %eax - movss 8(%esp), %xmm0 // hi 32 bits of input - movss 4(%esp), %xmm1 // lo 32 bits of input - orpd REL_ADDR(twop84), %xmm0 // 2^84 + hi (as a double) - orpd REL_ADDR(twop52), %xmm1 // 2^52 + lo (as a double) - addsd REL_ADDR(twop84_plus_twop52_neg), %xmm0 // hi - 2^52 (no rounding occurs) - movsd %xmm1, 4(%esp) - fldl 4(%esp) - movsd %xmm0, 4(%esp) - faddl 4(%esp) - ret -END_COMPILERRT_FUNCTION(__floatundixf) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/lshrdi3.S b/lib/libcompiler_rt/i386/lshrdi3.S deleted file mode 100644 index 53e95cf7652..00000000000 --- a/lib/libcompiler_rt/i386/lshrdi3.S +++ /dev/null @@ -1,62 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// di_int __lshrdi3(di_int input, int count); - -// This routine has some extra memory traffic, loading the 64-bit input via two -// 32-bit loads, then immediately storing it back to the stack via a single 64-bit -// store. This is to avoid a write-small, read-large stall. -// However, if callers of this routine can be safely assumed to store the argument -// via a 64-bt store, this is unnecessary memory traffic, and should be avoided. -// It can be turned off by defining the TRUST_CALLERS_USE_64_BIT_STORES macro. - -#ifdef __i386__ -#ifdef __SSE2__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__lshrdi3) - movd 12(%esp), %xmm2 // Load count -#ifndef TRUST_CALLERS_USE_64_BIT_STORES - movd 4(%esp), %xmm0 - movd 8(%esp), %xmm1 - punpckldq %xmm1, %xmm0 // Load input -#else - movq 4(%esp), %xmm0 // Load input -#endif - psrlq %xmm2, %xmm0 // shift input by count - movd %xmm0, %eax - psrlq $32, %xmm0 - movd %xmm0, %edx - ret -END_COMPILERRT_FUNCTION(__lshrdi3) - -#else // Use GPRs instead of SSE2 instructions, if they aren't available. - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__lshrdi3) - movl 12(%esp), %ecx // Load count - movl 8(%esp), %edx // Load high - movl 4(%esp), %eax // Load low - - testl $0x20, %ecx // If count >= 32 - jnz 1f // goto 1 - - shrdl %cl, %edx, %eax // right shift low by count - shrl %cl, %edx // right shift high by count - ret - -1: movl %edx, %eax // Move high to low - xorl %edx, %edx // clear high - shrl %cl, %eax // shift low by count - 32 - ret -END_COMPILERRT_FUNCTION(__lshrdi3) - -#endif // __SSE2__ -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/moddi3.S b/lib/libcompiler_rt/i386/moddi3.S deleted file mode 100644 index a5bf9ce8ea0..00000000000 --- a/lib/libcompiler_rt/i386/moddi3.S +++ /dev/null @@ -1,169 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// di_int __moddi3(di_int a, di_int b); - -// result = remainder of a / b. -// both inputs and the output are 64-bit signed integers. -// This will do whatever the underlying hardware is set to do on division by zero. -// No other exceptions are generated, as the divide cannot overflow. -// -// This is targeted at 32-bit x86 *only*, as this can be done directly in hardware -// on x86_64. The performance goal is ~40 cycles per divide, which is faster than -// currently possible via simulation of integer divides on the x87 unit. -// - -// Stephen Canon, December 2008 - -#ifdef __i386__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__moddi3) - -/* This is currently implemented by wrapping the unsigned modulus up in an absolute - value. This could certainly be improved upon. */ - - pushl %esi - movl 20(%esp), %edx // high word of b - movl 16(%esp), %eax // low word of b - movl %edx, %ecx - sarl $31, %ecx // (b < 0) ? -1 : 0 - xorl %ecx, %eax - xorl %ecx, %edx // EDX:EAX = (b < 0) ? not(b) : b - subl %ecx, %eax - sbbl %ecx, %edx // EDX:EAX = abs(b) - movl %edx, 20(%esp) - movl %eax, 16(%esp) // store abs(b) back to stack - - movl 12(%esp), %edx // high word of b - movl 8(%esp), %eax // low word of b - movl %edx, %ecx - sarl $31, %ecx // (a < 0) ? -1 : 0 - xorl %ecx, %eax - xorl %ecx, %edx // EDX:EAX = (a < 0) ? not(a) : a - subl %ecx, %eax - sbbl %ecx, %edx // EDX:EAX = abs(a) - movl %edx, 12(%esp) - movl %eax, 8(%esp) // store abs(a) back to stack - movl %ecx, %esi // set aside sign of a - - pushl %ebx - movl 24(%esp), %ebx // Find the index i of the leading bit in b. - bsrl %ebx, %ecx // If the high word of b is zero, jump to - jz 9f // the code to handle that special case [9]. - - /* High word of b is known to be non-zero on this branch */ - - movl 20(%esp), %eax // Construct bhi, containing bits [1+i:32+i] of b - - shrl %cl, %eax // Practically, this means that bhi is given by: - shrl %eax // - notl %ecx // bhi = (high word of b) << (31 - i) | - shll %cl, %ebx // (low word of b) >> (1 + i) - orl %eax, %ebx // - movl 16(%esp), %edx // Load the high and low words of a, and jump - movl 12(%esp), %eax // to [2] if the high word is larger than bhi - cmpl %ebx, %edx // to avoid overflowing the upcoming divide. - jae 2f - - /* High word of a is greater than or equal to (b >> (1 + i)) on this branch */ - - divl %ebx // eax <-- qs, edx <-- r such that ahi:alo = bs*qs + r - - pushl %edi - notl %ecx - shrl %eax - shrl %cl, %eax // q = qs >> (1 + i) - movl %eax, %edi - mull 24(%esp) // q*blo - movl 16(%esp), %ebx - movl 20(%esp), %ecx // ECX:EBX = a - subl %eax, %ebx - sbbl %edx, %ecx // ECX:EBX = a - q*blo - movl 28(%esp), %eax - imull %edi, %eax // q*bhi - subl %eax, %ecx // ECX:EBX = a - q*b - - jnc 1f // if positive, this is the result. - addl 24(%esp), %ebx // otherwise - adcl 28(%esp), %ecx // ECX:EBX = a - (q-1)*b = result -1: movl %ebx, %eax - movl %ecx, %edx - - addl %esi, %eax // Restore correct sign to result - adcl %esi, %edx - xorl %esi, %eax - xorl %esi, %edx - popl %edi // Restore callee-save registers - popl %ebx - popl %esi - retl // Return - -2: /* High word of a is greater than or equal to (b >> (1 + i)) on this branch */ - - subl %ebx, %edx // subtract bhi from ahi so that divide will not - divl %ebx // overflow, and find q and r such that - // - // ahi:alo = (1:q)*bhi + r - // - // Note that q is a number in (31-i).(1+i) - // fix point. - - pushl %edi - notl %ecx - shrl %eax - orl $0x80000000, %eax - shrl %cl, %eax // q = (1:qs) >> (1 + i) - movl %eax, %edi - mull 24(%esp) // q*blo - movl 16(%esp), %ebx - movl 20(%esp), %ecx // ECX:EBX = a - subl %eax, %ebx - sbbl %edx, %ecx // ECX:EBX = a - q*blo - movl 28(%esp), %eax - imull %edi, %eax // q*bhi - subl %eax, %ecx // ECX:EBX = a - q*b - - jnc 3f // if positive, this is the result. - addl 24(%esp), %ebx // otherwise - adcl 28(%esp), %ecx // ECX:EBX = a - (q-1)*b = result -3: movl %ebx, %eax - movl %ecx, %edx - - addl %esi, %eax // Restore correct sign to result - adcl %esi, %edx - xorl %esi, %eax - xorl %esi, %edx - popl %edi // Restore callee-save registers - popl %ebx - popl %esi - retl // Return - -9: /* High word of b is zero on this branch */ - - movl 16(%esp), %eax // Find qhi and rhi such that - movl 20(%esp), %ecx // - xorl %edx, %edx // ahi = qhi*b + rhi with 0 ≤ rhi < b - divl %ecx // - movl %eax, %ebx // - movl 12(%esp), %eax // Find rlo such that - divl %ecx // - movl %edx, %eax // rhi:alo = qlo*b + rlo with 0 ≤ rlo < b - popl %ebx // - xorl %edx, %edx // and return 0:rlo - - addl %esi, %eax // Restore correct sign to result - adcl %esi, %edx - xorl %esi, %eax - xorl %esi, %edx - popl %esi - retl // Return -END_COMPILERRT_FUNCTION(__moddi3) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/muldi3.S b/lib/libcompiler_rt/i386/muldi3.S deleted file mode 100644 index 12394606421..00000000000 --- a/lib/libcompiler_rt/i386/muldi3.S +++ /dev/null @@ -1,33 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// di_int __muldi3(di_int a, di_int b); - -#ifdef __i386__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__muldi3) - pushl %ebx - movl 16(%esp), %eax // b.lo - movl 12(%esp), %ecx // a.hi - imull %eax, %ecx // b.lo * a.hi - - movl 8(%esp), %edx // a.lo - movl 20(%esp), %ebx // b.hi - imull %edx, %ebx // a.lo * b.hi - - mull %edx // EDX:EAX = a.lo * b.lo - addl %ecx, %ebx // EBX = (a.lo*b.hi + a.hi*b.lo) - addl %ebx, %edx - - popl %ebx - retl -END_COMPILERRT_FUNCTION(__muldi3) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/udivdi3.S b/lib/libcompiler_rt/i386/udivdi3.S deleted file mode 100644 index 727613639b1..00000000000 --- a/lib/libcompiler_rt/i386/udivdi3.S +++ /dev/null @@ -1,118 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// du_int __udivdi3(du_int a, du_int b); - -// result = a / b. -// both inputs and the output are 64-bit unsigned integers. -// This will do whatever the underlying hardware is set to do on division by zero. -// No other exceptions are generated, as the divide cannot overflow. -// -// This is targeted at 32-bit x86 *only*, as this can be done directly in hardware -// on x86_64. The performance goal is ~40 cycles per divide, which is faster than -// currently possible via simulation of integer divides on the x87 unit. -// -// Stephen Canon, December 2008 - -#ifdef __i386__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__udivdi3) - - pushl %ebx - movl 20(%esp), %ebx // Find the index i of the leading bit in b. - bsrl %ebx, %ecx // If the high word of b is zero, jump to - jz 9f // the code to handle that special case [9]. - - /* High word of b is known to be non-zero on this branch */ - - movl 16(%esp), %eax // Construct bhi, containing bits [1+i:32+i] of b - - shrl %cl, %eax // Practically, this means that bhi is given by: - shrl %eax // - notl %ecx // bhi = (high word of b) << (31 - i) | - shll %cl, %ebx // (low word of b) >> (1 + i) - orl %eax, %ebx // - movl 12(%esp), %edx // Load the high and low words of a, and jump - movl 8(%esp), %eax // to [1] if the high word is larger than bhi - cmpl %ebx, %edx // to avoid overflowing the upcoming divide. - jae 1f - - /* High word of a is greater than or equal to (b >> (1 + i)) on this branch */ - - divl %ebx // eax <-- qs, edx <-- r such that ahi:alo = bs*qs + r - - pushl %edi - notl %ecx - shrl %eax - shrl %cl, %eax // q = qs >> (1 + i) - movl %eax, %edi - mull 20(%esp) // q*blo - movl 12(%esp), %ebx - movl 16(%esp), %ecx // ECX:EBX = a - subl %eax, %ebx - sbbl %edx, %ecx // ECX:EBX = a - q*blo - movl 24(%esp), %eax - imull %edi, %eax // q*bhi - subl %eax, %ecx // ECX:EBX = a - q*b - sbbl $0, %edi // decrement q if remainder is negative - xorl %edx, %edx - movl %edi, %eax - popl %edi - popl %ebx - retl - - -1: /* High word of a is greater than or equal to (b >> (1 + i)) on this branch */ - - subl %ebx, %edx // subtract bhi from ahi so that divide will not - divl %ebx // overflow, and find q and r such that - // - // ahi:alo = (1:q)*bhi + r - // - // Note that q is a number in (31-i).(1+i) - // fix point. - - pushl %edi - notl %ecx - shrl %eax - orl $0x80000000, %eax - shrl %cl, %eax // q = (1:qs) >> (1 + i) - movl %eax, %edi - mull 20(%esp) // q*blo - movl 12(%esp), %ebx - movl 16(%esp), %ecx // ECX:EBX = a - subl %eax, %ebx - sbbl %edx, %ecx // ECX:EBX = a - q*blo - movl 24(%esp), %eax - imull %edi, %eax // q*bhi - subl %eax, %ecx // ECX:EBX = a - q*b - sbbl $0, %edi // decrement q if remainder is negative - xorl %edx, %edx - movl %edi, %eax - popl %edi - popl %ebx - retl - - -9: /* High word of b is zero on this branch */ - - movl 12(%esp), %eax // Find qhi and rhi such that - movl 16(%esp), %ecx // - xorl %edx, %edx // ahi = qhi*b + rhi with 0 ≤ rhi < b - divl %ecx // - movl %eax, %ebx // - movl 8(%esp), %eax // Find qlo such that - divl %ecx // - movl %ebx, %edx // rhi:alo = qlo*b + rlo with 0 ≤ rlo < b - popl %ebx // - retl // and return qhi:qlo -END_COMPILERRT_FUNCTION(__udivdi3) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/i386/umoddi3.S b/lib/libcompiler_rt/i386/umoddi3.S deleted file mode 100644 index 763e821946c..00000000000 --- a/lib/libcompiler_rt/i386/umoddi3.S +++ /dev/null @@ -1,129 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// du_int __umoddi3(du_int a, du_int b); - -// result = remainder of a / b. -// both inputs and the output are 64-bit unsigned integers. -// This will do whatever the underlying hardware is set to do on division by zero. -// No other exceptions are generated, as the divide cannot overflow. -// -// This is targeted at 32-bit x86 *only*, as this can be done directly in hardware -// on x86_64. The performance goal is ~40 cycles per divide, which is faster than -// currently possible via simulation of integer divides on the x87 unit. -// - -// Stephen Canon, December 2008 - -#ifdef __i386__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__umoddi3) - - pushl %ebx - movl 20(%esp), %ebx // Find the index i of the leading bit in b. - bsrl %ebx, %ecx // If the high word of b is zero, jump to - jz 9f // the code to handle that special case [9]. - - /* High word of b is known to be non-zero on this branch */ - - movl 16(%esp), %eax // Construct bhi, containing bits [1+i:32+i] of b - - shrl %cl, %eax // Practically, this means that bhi is given by: - shrl %eax // - notl %ecx // bhi = (high word of b) << (31 - i) | - shll %cl, %ebx // (low word of b) >> (1 + i) - orl %eax, %ebx // - movl 12(%esp), %edx // Load the high and low words of a, and jump - movl 8(%esp), %eax // to [2] if the high word is larger than bhi - cmpl %ebx, %edx // to avoid overflowing the upcoming divide. - jae 2f - - /* High word of a is greater than or equal to (b >> (1 + i)) on this branch */ - - divl %ebx // eax <-- qs, edx <-- r such that ahi:alo = bs*qs + r - - pushl %edi - notl %ecx - shrl %eax - shrl %cl, %eax // q = qs >> (1 + i) - movl %eax, %edi - mull 20(%esp) // q*blo - movl 12(%esp), %ebx - movl 16(%esp), %ecx // ECX:EBX = a - subl %eax, %ebx - sbbl %edx, %ecx // ECX:EBX = a - q*blo - movl 24(%esp), %eax - imull %edi, %eax // q*bhi - subl %eax, %ecx // ECX:EBX = a - q*b - - jnc 1f // if positive, this is the result. - addl 20(%esp), %ebx // otherwise - adcl 24(%esp), %ecx // ECX:EBX = a - (q-1)*b = result -1: movl %ebx, %eax - movl %ecx, %edx - - popl %edi - popl %ebx - retl - - -2: /* High word of a is greater than or equal to (b >> (1 + i)) on this branch */ - - subl %ebx, %edx // subtract bhi from ahi so that divide will not - divl %ebx // overflow, and find q and r such that - // - // ahi:alo = (1:q)*bhi + r - // - // Note that q is a number in (31-i).(1+i) - // fix point. - - pushl %edi - notl %ecx - shrl %eax - orl $0x80000000, %eax - shrl %cl, %eax // q = (1:qs) >> (1 + i) - movl %eax, %edi - mull 20(%esp) // q*blo - movl 12(%esp), %ebx - movl 16(%esp), %ecx // ECX:EBX = a - subl %eax, %ebx - sbbl %edx, %ecx // ECX:EBX = a - q*blo - movl 24(%esp), %eax - imull %edi, %eax // q*bhi - subl %eax, %ecx // ECX:EBX = a - q*b - - jnc 3f // if positive, this is the result. - addl 20(%esp), %ebx // otherwise - adcl 24(%esp), %ecx // ECX:EBX = a - (q-1)*b = result -3: movl %ebx, %eax - movl %ecx, %edx - - popl %edi - popl %ebx - retl - - - -9: /* High word of b is zero on this branch */ - - movl 12(%esp), %eax // Find qhi and rhi such that - movl 16(%esp), %ecx // - xorl %edx, %edx // ahi = qhi*b + rhi with 0 ≤ rhi < b - divl %ecx // - movl %eax, %ebx // - movl 8(%esp), %eax // Find rlo such that - divl %ecx // - movl %edx, %eax // rhi:alo = qlo*b + rlo with 0 ≤ rlo < b - popl %ebx // - xorl %edx, %edx // and return 0:rlo - retl // -END_COMPILERRT_FUNCTION(__umoddi3) - -#endif // __i386__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/int_endianness.h b/lib/libcompiler_rt/int_endianness.h deleted file mode 100644 index e2586c56bac..00000000000 --- a/lib/libcompiler_rt/int_endianness.h +++ /dev/null @@ -1,116 +0,0 @@ -/* ===-- int_endianness.h - configuration header for compiler-rt ------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file is a configuration header for compiler-rt. - * This file is not part of the interface of this library. - * - * ===----------------------------------------------------------------------=== - */ - -#ifndef INT_ENDIANNESS_H -#define INT_ENDIANNESS_H - -#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \ - defined(__ORDER_LITTLE_ENDIAN__) - -/* Clang and GCC provide built-in endianness definitions. */ -#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ -#define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 -#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ -#define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#endif /* __BYTE_ORDER__ */ - -#else /* Compilers other than Clang or GCC. */ - -#if defined(__SVR4) && defined(__sun) -#include <sys/byteorder.h> - -#if defined(_BIG_ENDIAN) -#define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 -#elif defined(_LITTLE_ENDIAN) -#define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#else /* !_LITTLE_ENDIAN */ -#error "unknown endianness" -#endif /* !_LITTLE_ENDIAN */ - -#endif /* Solaris and AuroraUX. */ - -/* .. */ - -#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || \ - defined(__minix) -#include <sys/endian.h> - -#if _BYTE_ORDER == _BIG_ENDIAN -#define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 -#elif _BYTE_ORDER == _LITTLE_ENDIAN -#define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#endif /* _BYTE_ORDER */ - -#endif /* *BSD */ - -#if defined(__OpenBSD__) -#include <machine/endian.h> - -#if _BYTE_ORDER == _BIG_ENDIAN -#define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 -#elif _BYTE_ORDER == _LITTLE_ENDIAN -#define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#endif /* _BYTE_ORDER */ - -#endif /* OpenBSD */ - -/* .. */ - -/* Mac OSX has __BIG_ENDIAN__ or __LITTLE_ENDIAN__ automatically set by the - * compiler (at least with GCC) */ -#if defined(__APPLE__) || defined(__ellcc__ ) - -#ifdef __BIG_ENDIAN__ -#if __BIG_ENDIAN__ -#define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 -#endif -#endif /* __BIG_ENDIAN__ */ - -#ifdef __LITTLE_ENDIAN__ -#if __LITTLE_ENDIAN__ -#define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#endif -#endif /* __LITTLE_ENDIAN__ */ - -#endif /* Mac OSX */ - -/* .. */ - -#if defined(_WIN32) - -#define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 - -#endif /* Windows */ - -#endif /* Clang or GCC. */ - -/* . */ - -#if !defined(_YUGA_LITTLE_ENDIAN) || !defined(_YUGA_BIG_ENDIAN) -#error Unable to determine endian -#endif /* Check we found an endianness correctly. */ - -#endif /* INT_ENDIANNESS_H */ diff --git a/lib/libcompiler_rt/int_lib.h b/lib/libcompiler_rt/int_lib.h deleted file mode 100644 index fe8a3bdedc0..00000000000 --- a/lib/libcompiler_rt/int_lib.h +++ /dev/null @@ -1,134 +0,0 @@ -/* ===-- int_lib.h - configuration header for compiler-rt -----------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file is a configuration header for compiler-rt. - * This file is not part of the interface of this library. - * - * ===----------------------------------------------------------------------=== - */ - -#ifndef INT_LIB_H -#define INT_LIB_H - -/* Assumption: Signed integral is 2's complement. */ -/* Assumption: Right shift of signed negative is arithmetic shift. */ -/* Assumption: Endianness is little or big (not mixed). */ - -#if defined(__ELF__) -#define FNALIAS(alias_name, original_name) \ - void alias_name() __attribute__((__alias__(#original_name))) -#define COMPILER_RT_ALIAS(aliasee) __attribute__((__alias__(#aliasee))) -#else -#define FNALIAS(alias, name) _Pragma("GCC error(\"alias unsupported on this file format\")") -#define COMPILER_RT_ALIAS(aliasee) _Pragma("GCC error(\"alias unsupported on this file format\")") -#endif - -/* ABI macro definitions */ - -#if __ARM_EABI__ -# ifdef COMPILER_RT_ARMHF_TARGET -# define COMPILER_RT_ABI -# else -# define COMPILER_RT_ABI __attribute__((__pcs__("aapcs"))) -# endif -#else -# define COMPILER_RT_ABI -#endif - -#define AEABI_RTABI __attribute__((__pcs__("aapcs"))) - -#if defined(_MSC_VER) && !defined(__clang__) -#define ALWAYS_INLINE __forceinline -#define NOINLINE __declspec(noinline) -#define NORETURN __declspec(noreturn) -#define UNUSED -#else -#define ALWAYS_INLINE __attribute__((always_inline)) -#define NOINLINE __attribute__((noinline)) -#define NORETURN __attribute__((noreturn)) -#define UNUSED __attribute__((unused)) -#endif - -#if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE)) -/* - * Kernel and boot environment can't use normal headers, - * so use the equivalent system headers. - */ -# include <machine/limits.h> -# include <sys/stdint.h> -# include <sys/types.h> -#else -/* Include the standard compiler builtin headers we use functionality from. */ -# include <limits.h> -# include <stdint.h> -# include <stdbool.h> -# include <float.h> -#endif - -/* Include the commonly used internal type definitions. */ -#include "int_types.h" - -/* Include internal utility function declarations. */ -#include "int_util.h" - -COMPILER_RT_ABI si_int __paritysi2(si_int a); -COMPILER_RT_ABI si_int __paritydi2(di_int a); - -COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b); -COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b); -COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d); - -COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem); -COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem); -#ifdef CRT_HAS_128BIT -COMPILER_RT_ABI si_int __clzti2(ti_int a); -COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem); -#endif - -/* Definitions for builtins unavailable on MSVC */ -#if defined(_MSC_VER) && !defined(__clang__) -#include <intrin.h> - -uint32_t __inline __builtin_ctz(uint32_t value) { - unsigned long trailing_zero = 0; - if (_BitScanForward(&trailing_zero, value)) - return trailing_zero; - return 32; -} - -uint32_t __inline __builtin_clz(uint32_t value) { - unsigned long leading_zero = 0; - if (_BitScanReverse(&leading_zero, value)) - return 31 - leading_zero; - return 32; -} - -#if defined(_M_ARM) || defined(_M_X64) -uint32_t __inline __builtin_clzll(uint64_t value) { - unsigned long leading_zero = 0; - if (_BitScanReverse64(&leading_zero, value)) - return 63 - leading_zero; - return 64; -} -#else -uint32_t __inline __builtin_clzll(uint64_t value) { - if (value == 0) - return 64; - uint32_t msh = (uint32_t)(value >> 32); - uint32_t lsh = (uint32_t)(value & 0xFFFFFFFF); - if (msh != 0) - return __builtin_clz(msh); - return 32 + __builtin_clz(lsh); -} -#endif - -#define __builtin_clzl __builtin_clzll -#endif /* defined(_MSC_VER) && !defined(__clang__) */ - -#endif /* INT_LIB_H */ diff --git a/lib/libcompiler_rt/int_math.h b/lib/libcompiler_rt/int_math.h deleted file mode 100644 index aa3d0721a8a..00000000000 --- a/lib/libcompiler_rt/int_math.h +++ /dev/null @@ -1,110 +0,0 @@ -/* ===-- int_math.h - internal math inlines ---------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===-----------------------------------------------------------------------=== - * - * This file is not part of the interface of this library. - * - * This file defines substitutes for the libm functions used in some of the - * compiler-rt implementations, defined in such a way that there is not a direct - * dependency on libm or math.h. Instead, we use the compiler builtin versions - * where available. This reduces our dependencies on the system SDK by foisting - * the responsibility onto the compiler. - * - * ===-----------------------------------------------------------------------=== - */ - -#ifndef INT_MATH_H -#define INT_MATH_H - -#ifndef __has_builtin -# define __has_builtin(x) 0 -#endif - -#if defined(_MSC_VER) && !defined(__clang__) -#include <math.h> -#include <stdlib.h> -#include <ymath.h> -#endif - -#if defined(_MSC_VER) && !defined(__clang__) -#define CRT_INFINITY INFINITY -#else -#define CRT_INFINITY __builtin_huge_valf() -#endif - -#if defined(_MSC_VER) && !defined(__clang__) -#define crt_isfinite(x) _finite((x)) -#define crt_isinf(x) !_finite((x)) -#define crt_isnan(x) _isnan((x)) -#else -/* Define crt_isfinite in terms of the builtin if available, otherwise provide - * an alternate version in terms of our other functions. This supports some - * versions of GCC which didn't have __builtin_isfinite. - */ -#if __has_builtin(__builtin_isfinite) -# define crt_isfinite(x) __builtin_isfinite((x)) -#elif defined(__GNUC__) -# define crt_isfinite(x) \ - __extension__(({ \ - __typeof((x)) x_ = (x); \ - !crt_isinf(x_) && !crt_isnan(x_); \ - })) -#else -# error "Do not know how to check for infinity" -#endif /* __has_builtin(__builtin_isfinite) */ -#define crt_isinf(x) __builtin_isinf((x)) -#define crt_isnan(x) __builtin_isnan((x)) -#endif /* _MSC_VER */ - -#if defined(_MSC_VER) && !defined(__clang__) -#define crt_copysign(x, y) copysign((x), (y)) -#define crt_copysignf(x, y) copysignf((x), (y)) -#define crt_copysignl(x, y) copysignl((x), (y)) -#else -#define crt_copysign(x, y) __builtin_copysign((x), (y)) -#define crt_copysignf(x, y) __builtin_copysignf((x), (y)) -#define crt_copysignl(x, y) __builtin_copysignl((x), (y)) -#endif - -#if defined(_MSC_VER) && !defined(__clang__) -#define crt_fabs(x) fabs((x)) -#define crt_fabsf(x) fabsf((x)) -#define crt_fabsl(x) fabs((x)) -#else -#define crt_fabs(x) __builtin_fabs((x)) -#define crt_fabsf(x) __builtin_fabsf((x)) -#define crt_fabsl(x) __builtin_fabsl((x)) -#endif - -#if defined(_MSC_VER) && !defined(__clang__) -#define crt_fmax(x, y) __max((x), (y)) -#define crt_fmaxf(x, y) __max((x), (y)) -#define crt_fmaxl(x, y) __max((x), (y)) -#else -#define crt_fmax(x, y) __builtin_fmax((x), (y)) -#define crt_fmaxf(x, y) __builtin_fmaxf((x), (y)) -#define crt_fmaxl(x, y) __builtin_fmaxl((x), (y)) -#endif - -#if defined(_MSC_VER) && !defined(__clang__) -#define crt_logbl(x) logbl((x)) -#else -#define crt_logbl(x) __builtin_logbl((x)) -#endif - -#if defined(_MSC_VER) && !defined(__clang__) -#define crt_scalbn(x, y) scalbn((x), (y)) -#define crt_scalbnf(x, y) scalbnf((x), (y)) -#define crt_scalbnl(x, y) scalbnl((x), (y)) -#else -#define crt_scalbn(x, y) __builtin_scalbn((x), (y)) -#define crt_scalbnf(x, y) __builtin_scalbnf((x), (y)) -#define crt_scalbnl(x, y) __builtin_scalbnl((x), (y)) -#endif - -#endif /* INT_MATH_H */ diff --git a/lib/libcompiler_rt/int_types.h b/lib/libcompiler_rt/int_types.h deleted file mode 100644 index 9f8da56cb77..00000000000 --- a/lib/libcompiler_rt/int_types.h +++ /dev/null @@ -1,185 +0,0 @@ -/* ===-- int_lib.h - configuration header for compiler-rt -----------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file is not part of the interface of this library. - * - * This file defines various standard types, most importantly a number of unions - * used to access parts of larger types. - * - * ===----------------------------------------------------------------------=== - */ - -#ifndef INT_TYPES_H -#define INT_TYPES_H - -#include "int_endianness.h" - -/* si_int is defined in Linux sysroot's asm-generic/siginfo.h */ -#ifdef si_int -#undef si_int -#endif -typedef int si_int; -typedef unsigned su_int; - -typedef long long di_int; -typedef unsigned long long du_int; - -typedef union -{ - di_int all; - struct - { -#if _YUGA_LITTLE_ENDIAN - su_int low; - si_int high; -#else - si_int high; - su_int low; -#endif /* _YUGA_LITTLE_ENDIAN */ - }s; -} dwords; - -typedef union -{ - du_int all; - struct - { -#if _YUGA_LITTLE_ENDIAN - su_int low; - su_int high; -#else - su_int high; - su_int low; -#endif /* _YUGA_LITTLE_ENDIAN */ - }s; -} udwords; - -#if defined(__LP64__) || defined(__wasm__) || defined(__mips64) || \ - defined(__riscv) || defined(_WIN64) -#define CRT_HAS_128BIT -#endif - -/* MSVC doesn't have a working 128bit integer type. Users should really compile - * compiler-rt with clang, but if they happen to be doing a standalone build for - * asan or something else, disable the 128 bit parts so things sort of work. - */ -#if defined(_MSC_VER) && !defined(__clang__) -#undef CRT_HAS_128BIT -#endif - -#ifdef CRT_HAS_128BIT -typedef int ti_int __attribute__ ((mode (TI))); -typedef unsigned tu_int __attribute__ ((mode (TI))); - -typedef union -{ - ti_int all; - struct - { -#if _YUGA_LITTLE_ENDIAN - du_int low; - di_int high; -#else - di_int high; - du_int low; -#endif /* _YUGA_LITTLE_ENDIAN */ - }s; -} twords; - -typedef union -{ - tu_int all; - struct - { -#if _YUGA_LITTLE_ENDIAN - du_int low; - du_int high; -#else - du_int high; - du_int low; -#endif /* _YUGA_LITTLE_ENDIAN */ - }s; -} utwords; - -static __inline ti_int make_ti(di_int h, di_int l) { - twords r; - r.s.high = h; - r.s.low = l; - return r.all; -} - -static __inline tu_int make_tu(du_int h, du_int l) { - utwords r; - r.s.high = h; - r.s.low = l; - return r.all; -} - -#endif /* CRT_HAS_128BIT */ - -typedef union -{ - su_int u; - float f; -} float_bits; - -typedef union -{ - udwords u; - double f; -} double_bits; - -typedef struct -{ -#if _YUGA_LITTLE_ENDIAN - udwords low; - udwords high; -#else - udwords high; - udwords low; -#endif /* _YUGA_LITTLE_ENDIAN */ -} uqwords; - -/* Check if the target supports 80 bit extended precision long doubles. - * Notably, on x86 Windows, MSVC only provides a 64-bit long double, but GCC - * still makes it 80 bits. Clang will match whatever compiler it is trying to - * be compatible with. - */ -#if ((defined(__i386__) || defined(__x86_64__)) && !defined(_MSC_VER)) || \ - defined(__m68k__) || defined(__ia64__) -#define HAS_80_BIT_LONG_DOUBLE 1 -#else -#define HAS_80_BIT_LONG_DOUBLE 0 -#endif - -typedef union -{ - uqwords u; - long double f; -} long_double_bits; - -#if __STDC_VERSION__ >= 199901L -typedef float _Complex Fcomplex; -typedef double _Complex Dcomplex; -typedef long double _Complex Lcomplex; - -#define COMPLEX_REAL(x) __real__(x) -#define COMPLEX_IMAGINARY(x) __imag__(x) -#else -typedef struct { float real, imaginary; } Fcomplex; - -typedef struct { double real, imaginary; } Dcomplex; - -typedef struct { long double real, imaginary; } Lcomplex; - -#define COMPLEX_REAL(x) (x).real -#define COMPLEX_IMAGINARY(x) (x).imaginary -#endif -#endif /* INT_TYPES_H */ - diff --git a/lib/libcompiler_rt/int_util.c b/lib/libcompiler_rt/int_util.c deleted file mode 100644 index 752f2015580..00000000000 --- a/lib/libcompiler_rt/int_util.c +++ /dev/null @@ -1,71 +0,0 @@ -/* ===-- int_util.c - Implement internal utilities --------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" -#include "int_util.h" - -/* NOTE: The definitions in this file are declared weak because we clients to be - * able to arbitrarily package individual functions into separate .a files. If - * we did not declare these weak, some link situations might end up seeing - * duplicate strong definitions of the same symbol. - * - * We can't use this solution for kernel use (which may not support weak), but - * currently expect that when built for kernel use all the functionality is - * packaged into a single library. - */ - -#ifdef KERNEL_USE - -NORETURN extern void panic(const char *, ...); -#ifndef _WIN32 -__attribute__((visibility("hidden"))) -#endif -void __compilerrt_abort_impl(const char *file, int line, const char *function) { - panic("%s:%d: abort in %s", file, line, function); -} - -#elif __APPLE__ - -/* from libSystem.dylib */ -NORETURN extern void __assert_rtn(const char *func, const char *file, int line, - const char *message); - -#ifndef _WIN32 -__attribute__((weak)) -__attribute__((visibility("hidden"))) -#endif -void __compilerrt_abort_impl(const char *file, int line, const char *function) { - __assert_rtn(function, file, line, "libcompiler_rt abort"); -} - -#elif __Fuchsia__ - -#ifndef _WIN32 -__attribute__((weak)) -__attribute__((visibility("hidden"))) -#endif -void __compilerrt_abort_impl(const char *file, int line, const char *function) { - __builtin_trap(); -} - -#else - -/* Get the system definition of abort() */ -#include <stdlib.h> - -#ifndef _WIN32 -__attribute__((weak)) -__attribute__((visibility("hidden"))) -#endif -void __compilerrt_abort_impl(const char *file, int line, const char *function) { - abort(); -} - -#endif diff --git a/lib/libcompiler_rt/int_util.h b/lib/libcompiler_rt/int_util.h deleted file mode 100644 index c3c87381ad8..00000000000 --- a/lib/libcompiler_rt/int_util.h +++ /dev/null @@ -1,33 +0,0 @@ -/* ===-- int_util.h - internal utility functions ----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===-----------------------------------------------------------------------=== - * - * This file is not part of the interface of this library. - * - * This file defines non-inline utilities which are available for use in the - * library. The function definitions themselves are all contained in int_util.c - * which will always be compiled into any compiler-rt library. - * - * ===-----------------------------------------------------------------------=== - */ - -#ifndef INT_UTIL_H -#define INT_UTIL_H - -/** \brief Trigger a program abort (or panic for kernel code). */ -#define compilerrt_abort() __compilerrt_abort_impl(__FILE__, __LINE__, __func__) - -NORETURN void __compilerrt_abort_impl(const char *file, int line, - const char *function); - -#define COMPILE_TIME_ASSERT(expr) COMPILE_TIME_ASSERT1(expr, __COUNTER__) -#define COMPILE_TIME_ASSERT1(expr, cnt) COMPILE_TIME_ASSERT2(expr, cnt) -#define COMPILE_TIME_ASSERT2(expr, cnt) \ - typedef char ct_assert_##cnt[(expr) ? 1 : -1] UNUSED - -#endif /* INT_UTIL_H */ diff --git a/lib/libcompiler_rt/lshrdi3.c b/lib/libcompiler_rt/lshrdi3.c deleted file mode 100644 index 67b2a766834..00000000000 --- a/lib/libcompiler_rt/lshrdi3.c +++ /dev/null @@ -1,45 +0,0 @@ -/* ===-- lshrdi3.c - Implement __lshrdi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __lshrdi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: logical a >> b */ - -/* Precondition: 0 <= b < bits_in_dword */ - -COMPILER_RT_ABI di_int -__lshrdi3(di_int a, si_int b) -{ - const int bits_in_word = (int)(sizeof(si_int) * CHAR_BIT); - udwords input; - udwords result; - input.all = a; - if (b & bits_in_word) /* bits_in_word <= b < bits_in_dword */ - { - result.s.high = 0; - result.s.low = input.s.high >> (b - bits_in_word); - } - else /* 0 <= b < bits_in_word */ - { - if (b == 0) - return a; - result.s.high = input.s.high >> b; - result.s.low = (input.s.high << (bits_in_word - b)) | (input.s.low >> b); - } - return result.all; -} - -#if defined(__ARM_EABI__) -AEABI_RTABI di_int __aeabi_llsr(di_int a, si_int b) COMPILER_RT_ALIAS(__lshrdi3); -#endif diff --git a/lib/libcompiler_rt/lshrti3.c b/lib/libcompiler_rt/lshrti3.c deleted file mode 100644 index e4170ff84a5..00000000000 --- a/lib/libcompiler_rt/lshrti3.c +++ /dev/null @@ -1,45 +0,0 @@ -/* ===-- lshrti3.c - Implement __lshrti3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __lshrti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: logical a >> b */ - -/* Precondition: 0 <= b < bits_in_tword */ - -COMPILER_RT_ABI ti_int -__lshrti3(ti_int a, si_int b) -{ - const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT); - utwords input; - utwords result; - input.all = a; - if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */ - { - result.s.high = 0; - result.s.low = input.s.high >> (b - bits_in_dword); - } - else /* 0 <= b < bits_in_dword */ - { - if (b == 0) - return a; - result.s.high = input.s.high >> b; - result.s.low = (input.s.high << (bits_in_dword - b)) | (input.s.low >> b); - } - return result.all; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/macho_embedded/CMakeLists.txt b/lib/libcompiler_rt/macho_embedded/CMakeLists.txt deleted file mode 100644 index 266e4221524..00000000000 --- a/lib/libcompiler_rt/macho_embedded/CMakeLists.txt +++ /dev/null @@ -1,4 +0,0 @@ -file(GLOB filter_files ${CMAKE_CURRENT_SOURCE_DIR}/*.txt) -foreach(filter_file ${filter_files}) - set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${filter_file}) -endforeach() diff --git a/lib/libcompiler_rt/macho_embedded/arm.txt b/lib/libcompiler_rt/macho_embedded/arm.txt deleted file mode 100644 index 4b1683a6bae..00000000000 --- a/lib/libcompiler_rt/macho_embedded/arm.txt +++ /dev/null @@ -1,16 +0,0 @@ -aeabi_cdcmpeq -aeabi_cdrcmple -aeabi_cfcmpeq -aeabi_cfrcmple -aeabi_dcmpeq -aeabi_dcmpge -aeabi_dcmpgt -aeabi_dcmple -aeabi_dcmplt -aeabi_drsub -aeabi_fcmpeq -aeabi_fcmpge -aeabi_fcmpgt -aeabi_fcmple -aeabi_fcmplt -aeabi_frsub diff --git a/lib/libcompiler_rt/macho_embedded/common.txt b/lib/libcompiler_rt/macho_embedded/common.txt deleted file mode 100644 index 6ac85a771fc..00000000000 --- a/lib/libcompiler_rt/macho_embedded/common.txt +++ /dev/null @@ -1,92 +0,0 @@ -absvdi2 -absvsi2 -addvdi3 -addvsi3 -ashldi3 -ashrdi3 -clzdi2 -clzsi2 -cmpdi2 -ctzdi2 -ctzsi2 -divdc3 -divdi3 -divsc3 -divmodsi4 -udivmodsi4 -do_global_dtors -ffsdi2 -fixdfdi -fixsfdi -fixunsdfdi -fixunsdfsi -fixunssfdi -fixunssfsi -floatdidf -floatdisf -floatundidf -floatundisf -gcc_bcmp -lshrdi3 -moddi3 -muldc3 -muldi3 -mulsc3 -mulvdi3 -mulvsi3 -negdi2 -negvdi2 -negvsi2 -paritydi2 -paritysi2 -popcountdi2 -popcountsi2 -powidf2 -powisf2 -subvdi3 -subvsi3 -ucmpdi2 -udiv_w_sdiv -udivdi3 -udivmoddi4 -umoddi3 -adddf3 -addsf3 -cmpdf2 -cmpsf2 -div0 -divdf3 -divsf3 -divsi3 -extendsfdf2 -extendhfsf2 -ffssi2 -fixdfsi -fixsfsi -floatsidf -floatsisf -floatunsidf -floatunsisf -comparedf2 -comparesf2 -modsi3 -muldf3 -mulsf3 -negdf2 -negsf2 -subdf3 -subsf3 -truncdfhf2 -truncdfsf2 -truncsfhf2 -udivsi3 -umodsi3 -unorddf2 -unordsf2 -atomic_flag_clear -atomic_flag_clear_explicit -atomic_flag_test_and_set -atomic_flag_test_and_set_explicit -atomic_signal_fence -atomic_thread_fence -int_util diff --git a/lib/libcompiler_rt/macho_embedded/i386.txt b/lib/libcompiler_rt/macho_embedded/i386.txt deleted file mode 100644 index b92e44bb35a..00000000000 --- a/lib/libcompiler_rt/macho_embedded/i386.txt +++ /dev/null @@ -1,7 +0,0 @@ -i686.get_pc_thunk.eax -i686.get_pc_thunk.ebp -i686.get_pc_thunk.ebx -i686.get_pc_thunk.ecx -i686.get_pc_thunk.edi -i686.get_pc_thunk.edx -i686.get_pc_thunk.esi diff --git a/lib/libcompiler_rt/macho_embedded/thumb2-64.txt b/lib/libcompiler_rt/macho_embedded/thumb2-64.txt deleted file mode 100644 index 1c72fb1c3c6..00000000000 --- a/lib/libcompiler_rt/macho_embedded/thumb2-64.txt +++ /dev/null @@ -1,10 +0,0 @@ -sync_fetch_and_add_8 -sync_fetch_and_sub_8 -sync_fetch_and_and_8 -sync_fetch_and_or_8 -sync_fetch_and_xor_8 -sync_fetch_and_nand_8 -sync_fetch_and_max_8 -sync_fetch_and_umax_8 -sync_fetch_and_min_8 -sync_fetch_and_umin_8 diff --git a/lib/libcompiler_rt/macho_embedded/thumb2.txt b/lib/libcompiler_rt/macho_embedded/thumb2.txt deleted file mode 100644 index 6add5ecd2dc..00000000000 --- a/lib/libcompiler_rt/macho_embedded/thumb2.txt +++ /dev/null @@ -1,14 +0,0 @@ -switch16 -switch32 -switch8 -switchu8 -sync_fetch_and_add_4 -sync_fetch_and_sub_4 -sync_fetch_and_and_4 -sync_fetch_and_or_4 -sync_fetch_and_xor_4 -sync_fetch_and_nand_4 -sync_fetch_and_max_4 -sync_fetch_and_umax_4 -sync_fetch_and_min_4 -sync_fetch_and_umin_4 diff --git a/lib/libcompiler_rt/mingw_fixfloat.c b/lib/libcompiler_rt/mingw_fixfloat.c deleted file mode 100644 index c462e0dbf65..00000000000 --- a/lib/libcompiler_rt/mingw_fixfloat.c +++ /dev/null @@ -1,36 +0,0 @@ -/* ===-- mingw_fixfloat.c - Wrap int/float conversions for arm/windows -----=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -COMPILER_RT_ABI di_int __fixdfdi(double a); -COMPILER_RT_ABI di_int __fixsfdi(float a); -COMPILER_RT_ABI du_int __fixunsdfdi(double a); -COMPILER_RT_ABI du_int __fixunssfdi(float a); -COMPILER_RT_ABI double __floatdidf(di_int a); -COMPILER_RT_ABI float __floatdisf(di_int a); -COMPILER_RT_ABI double __floatundidf(du_int a); -COMPILER_RT_ABI float __floatundisf(du_int a); - -COMPILER_RT_ABI di_int __dtoi64(double a) { return __fixdfdi(a); } - -COMPILER_RT_ABI di_int __stoi64(float a) { return __fixsfdi(a); } - -COMPILER_RT_ABI du_int __dtou64(double a) { return __fixunsdfdi(a); } - -COMPILER_RT_ABI du_int __stou64(float a) { return __fixunssfdi(a); } - -COMPILER_RT_ABI double __i64tod(di_int a) { return __floatdidf(a); } - -COMPILER_RT_ABI float __i64tos(di_int a) { return __floatdisf(a); } - -COMPILER_RT_ABI double __u64tod(du_int a) { return __floatundidf(a); } - -COMPILER_RT_ABI float __u64tos(du_int a) { return __floatundisf(a); } diff --git a/lib/libcompiler_rt/moddi3.c b/lib/libcompiler_rt/moddi3.c deleted file mode 100644 index a04279e3875..00000000000 --- a/lib/libcompiler_rt/moddi3.c +++ /dev/null @@ -1,30 +0,0 @@ -/*===-- moddi3.c - Implement __moddi3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __moddi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a % b */ - -COMPILER_RT_ABI di_int -__moddi3(di_int a, di_int b) -{ - const int bits_in_dword_m1 = (int)(sizeof(di_int) * CHAR_BIT) - 1; - di_int s = b >> bits_in_dword_m1; /* s = b < 0 ? -1 : 0 */ - b = (b ^ s) - s; /* negate if s == -1 */ - s = a >> bits_in_dword_m1; /* s = a < 0 ? -1 : 0 */ - a = (a ^ s) - s; /* negate if s == -1 */ - du_int r; - __udivmoddi4(a, b, &r); - return ((di_int)r ^ s) - s; /* negate if s == -1 */ -} diff --git a/lib/libcompiler_rt/modsi3.c b/lib/libcompiler_rt/modsi3.c deleted file mode 100644 index 86c73ce1377..00000000000 --- a/lib/libcompiler_rt/modsi3.c +++ /dev/null @@ -1,23 +0,0 @@ -/* ===-- modsi3.c - Implement __modsi3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __modsi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a % b */ - -COMPILER_RT_ABI si_int -__modsi3(si_int a, si_int b) -{ - return a - __divsi3(a, b) * b; -} diff --git a/lib/libcompiler_rt/modti3.c b/lib/libcompiler_rt/modti3.c deleted file mode 100644 index d505c07ac16..00000000000 --- a/lib/libcompiler_rt/modti3.c +++ /dev/null @@ -1,34 +0,0 @@ -/* ===-- modti3.c - Implement __modti3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __modti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/*Returns: a % b */ - -COMPILER_RT_ABI ti_int -__modti3(ti_int a, ti_int b) -{ - const int bits_in_tword_m1 = (int)(sizeof(ti_int) * CHAR_BIT) - 1; - ti_int s = b >> bits_in_tword_m1; /* s = b < 0 ? -1 : 0 */ - b = (b ^ s) - s; /* negate if s == -1 */ - s = a >> bits_in_tword_m1; /* s = a < 0 ? -1 : 0 */ - a = (a ^ s) - s; /* negate if s == -1 */ - tu_int r; - __udivmodti4(a, b, &r); - return ((ti_int)r ^ s) - s; /* negate if s == -1 */ -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/muldc3.c b/lib/libcompiler_rt/muldc3.c deleted file mode 100644 index 16d8e98390a..00000000000 --- a/lib/libcompiler_rt/muldc3.c +++ /dev/null @@ -1,73 +0,0 @@ -/* ===-- muldc3.c - Implement __muldc3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __muldc3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" -#include "int_math.h" - -/* Returns: the product of a + ib and c + id */ - -COMPILER_RT_ABI Dcomplex -__muldc3(double __a, double __b, double __c, double __d) -{ - double __ac = __a * __c; - double __bd = __b * __d; - double __ad = __a * __d; - double __bc = __b * __c; - Dcomplex z; - COMPLEX_REAL(z) = __ac - __bd; - COMPLEX_IMAGINARY(z) = __ad + __bc; - if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) - { - int __recalc = 0; - if (crt_isinf(__a) || crt_isinf(__b)) - { - __a = crt_copysign(crt_isinf(__a) ? 1 : 0, __a); - __b = crt_copysign(crt_isinf(__b) ? 1 : 0, __b); - if (crt_isnan(__c)) - __c = crt_copysign(0, __c); - if (crt_isnan(__d)) - __d = crt_copysign(0, __d); - __recalc = 1; - } - if (crt_isinf(__c) || crt_isinf(__d)) - { - __c = crt_copysign(crt_isinf(__c) ? 1 : 0, __c); - __d = crt_copysign(crt_isinf(__d) ? 1 : 0, __d); - if (crt_isnan(__a)) - __a = crt_copysign(0, __a); - if (crt_isnan(__b)) - __b = crt_copysign(0, __b); - __recalc = 1; - } - if (!__recalc && (crt_isinf(__ac) || crt_isinf(__bd) || - crt_isinf(__ad) || crt_isinf(__bc))) - { - if (crt_isnan(__a)) - __a = crt_copysign(0, __a); - if (crt_isnan(__b)) - __b = crt_copysign(0, __b); - if (crt_isnan(__c)) - __c = crt_copysign(0, __c); - if (crt_isnan(__d)) - __d = crt_copysign(0, __d); - __recalc = 1; - } - if (__recalc) - { - COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c - __b * __d); - COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__a * __d + __b * __c); - } - } - return z; -} diff --git a/lib/libcompiler_rt/muldf3.c b/lib/libcompiler_rt/muldf3.c deleted file mode 100644 index 1bb103e38c1..00000000000 --- a/lib/libcompiler_rt/muldf3.c +++ /dev/null @@ -1,30 +0,0 @@ -//===-- lib/muldf3.c - Double-precision multiplication ------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements double-precision soft-float multiplication -// with the IEEE-754 default rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#define DOUBLE_PRECISION -#include "fp_mul_impl.inc" - -COMPILER_RT_ABI fp_t __muldf3(fp_t a, fp_t b) { - return __mulXf3__(a, b); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_dmul(fp_t a, fp_t b) { - return __muldf3(a, b); -} -#else -AEABI_RTABI fp_t __aeabi_dmul(fp_t a, fp_t b) COMPILER_RT_ALIAS(__muldf3); -#endif -#endif diff --git a/lib/libcompiler_rt/muldi3.c b/lib/libcompiler_rt/muldi3.c deleted file mode 100644 index a187315e916..00000000000 --- a/lib/libcompiler_rt/muldi3.c +++ /dev/null @@ -1,58 +0,0 @@ -/* ===-- muldi3.c - Implement __muldi3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __muldi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a * b */ - -static -di_int -__muldsi3(su_int a, su_int b) -{ - dwords r; - const int bits_in_word_2 = (int)(sizeof(si_int) * CHAR_BIT) / 2; - const su_int lower_mask = (su_int)~0 >> bits_in_word_2; - r.s.low = (a & lower_mask) * (b & lower_mask); - su_int t = r.s.low >> bits_in_word_2; - r.s.low &= lower_mask; - t += (a >> bits_in_word_2) * (b & lower_mask); - r.s.low += (t & lower_mask) << bits_in_word_2; - r.s.high = t >> bits_in_word_2; - t = r.s.low >> bits_in_word_2; - r.s.low &= lower_mask; - t += (b >> bits_in_word_2) * (a & lower_mask); - r.s.low += (t & lower_mask) << bits_in_word_2; - r.s.high += t >> bits_in_word_2; - r.s.high += (a >> bits_in_word_2) * (b >> bits_in_word_2); - return r.all; -} - -/* Returns: a * b */ - -COMPILER_RT_ABI di_int -__muldi3(di_int a, di_int b) -{ - dwords x; - x.all = a; - dwords y; - y.all = b; - dwords r; - r.all = __muldsi3(x.s.low, y.s.low); - r.s.high += x.s.high * y.s.low + x.s.low * y.s.high; - return r.all; -} - -#if defined(__ARM_EABI__) -AEABI_RTABI di_int __aeabi_lmul(di_int a, di_int b) COMPILER_RT_ALIAS(__muldi3); -#endif diff --git a/lib/libcompiler_rt/mulodi4.c b/lib/libcompiler_rt/mulodi4.c deleted file mode 100644 index d2fd7db2bcd..00000000000 --- a/lib/libcompiler_rt/mulodi4.c +++ /dev/null @@ -1,58 +0,0 @@ -/*===-- mulodi4.c - Implement __mulodi4 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __mulodi4 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a * b */ - -/* Effects: sets *overflow to 1 if a * b overflows */ - -COMPILER_RT_ABI di_int -__mulodi4(di_int a, di_int b, int* overflow) -{ - const int N = (int)(sizeof(di_int) * CHAR_BIT); - const di_int MIN = (di_int)1 << (N-1); - const di_int MAX = ~MIN; - *overflow = 0; - di_int result = a * b; - if (a == MIN) - { - if (b != 0 && b != 1) - *overflow = 1; - return result; - } - if (b == MIN) - { - if (a != 0 && a != 1) - *overflow = 1; - return result; - } - di_int sa = a >> (N - 1); - di_int abs_a = (a ^ sa) - sa; - di_int sb = b >> (N - 1); - di_int abs_b = (b ^ sb) - sb; - if (abs_a < 2 || abs_b < 2) - return result; - if (sa == sb) - { - if (abs_a > MAX / abs_b) - *overflow = 1; - } - else - { - if (abs_a > MIN / -abs_b) - *overflow = 1; - } - return result; -} diff --git a/lib/libcompiler_rt/mulosi4.c b/lib/libcompiler_rt/mulosi4.c deleted file mode 100644 index 422528085c4..00000000000 --- a/lib/libcompiler_rt/mulosi4.c +++ /dev/null @@ -1,58 +0,0 @@ -/*===-- mulosi4.c - Implement __mulosi4 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __mulosi4 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a * b */ - -/* Effects: sets *overflow to 1 if a * b overflows */ - -COMPILER_RT_ABI si_int -__mulosi4(si_int a, si_int b, int* overflow) -{ - const int N = (int)(sizeof(si_int) * CHAR_BIT); - const si_int MIN = (si_int)1 << (N-1); - const si_int MAX = ~MIN; - *overflow = 0; - si_int result = a * b; - if (a == MIN) - { - if (b != 0 && b != 1) - *overflow = 1; - return result; - } - if (b == MIN) - { - if (a != 0 && a != 1) - *overflow = 1; - return result; - } - si_int sa = a >> (N - 1); - si_int abs_a = (a ^ sa) - sa; - si_int sb = b >> (N - 1); - si_int abs_b = (b ^ sb) - sb; - if (abs_a < 2 || abs_b < 2) - return result; - if (sa == sb) - { - if (abs_a > MAX / abs_b) - *overflow = 1; - } - else - { - if (abs_a > MIN / -abs_b) - *overflow = 1; - } - return result; -} diff --git a/lib/libcompiler_rt/muloti4.c b/lib/libcompiler_rt/muloti4.c deleted file mode 100644 index 16b21892032..00000000000 --- a/lib/libcompiler_rt/muloti4.c +++ /dev/null @@ -1,62 +0,0 @@ -/*===-- muloti4.c - Implement __muloti4 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __muloti4 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: a * b */ - -/* Effects: sets *overflow to 1 if a * b overflows */ - -COMPILER_RT_ABI ti_int -__muloti4(ti_int a, ti_int b, int* overflow) -{ - const int N = (int)(sizeof(ti_int) * CHAR_BIT); - const ti_int MIN = (ti_int)1 << (N-1); - const ti_int MAX = ~MIN; - *overflow = 0; - ti_int result = a * b; - if (a == MIN) - { - if (b != 0 && b != 1) - *overflow = 1; - return result; - } - if (b == MIN) - { - if (a != 0 && a != 1) - *overflow = 1; - return result; - } - ti_int sa = a >> (N - 1); - ti_int abs_a = (a ^ sa) - sa; - ti_int sb = b >> (N - 1); - ti_int abs_b = (b ^ sb) - sb; - if (abs_a < 2 || abs_b < 2) - return result; - if (sa == sb) - { - if (abs_a > MAX / abs_b) - *overflow = 1; - } - else - { - if (abs_a > MIN / -abs_b) - *overflow = 1; - } - return result; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/mulsc3.c b/lib/libcompiler_rt/mulsc3.c deleted file mode 100644 index c89cfd247a1..00000000000 --- a/lib/libcompiler_rt/mulsc3.c +++ /dev/null @@ -1,73 +0,0 @@ -/* ===-- mulsc3.c - Implement __mulsc3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __mulsc3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" -#include "int_math.h" - -/* Returns: the product of a + ib and c + id */ - -COMPILER_RT_ABI Fcomplex -__mulsc3(float __a, float __b, float __c, float __d) -{ - float __ac = __a * __c; - float __bd = __b * __d; - float __ad = __a * __d; - float __bc = __b * __c; - Fcomplex z; - COMPLEX_REAL(z) = __ac - __bd; - COMPLEX_IMAGINARY(z) = __ad + __bc; - if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) - { - int __recalc = 0; - if (crt_isinf(__a) || crt_isinf(__b)) - { - __a = crt_copysignf(crt_isinf(__a) ? 1 : 0, __a); - __b = crt_copysignf(crt_isinf(__b) ? 1 : 0, __b); - if (crt_isnan(__c)) - __c = crt_copysignf(0, __c); - if (crt_isnan(__d)) - __d = crt_copysignf(0, __d); - __recalc = 1; - } - if (crt_isinf(__c) || crt_isinf(__d)) - { - __c = crt_copysignf(crt_isinf(__c) ? 1 : 0, __c); - __d = crt_copysignf(crt_isinf(__d) ? 1 : 0, __d); - if (crt_isnan(__a)) - __a = crt_copysignf(0, __a); - if (crt_isnan(__b)) - __b = crt_copysignf(0, __b); - __recalc = 1; - } - if (!__recalc && (crt_isinf(__ac) || crt_isinf(__bd) || - crt_isinf(__ad) || crt_isinf(__bc))) - { - if (crt_isnan(__a)) - __a = crt_copysignf(0, __a); - if (crt_isnan(__b)) - __b = crt_copysignf(0, __b); - if (crt_isnan(__c)) - __c = crt_copysignf(0, __c); - if (crt_isnan(__d)) - __d = crt_copysignf(0, __d); - __recalc = 1; - } - if (__recalc) - { - COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c - __b * __d); - COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__a * __d + __b * __c); - } - } - return z; -} diff --git a/lib/libcompiler_rt/mulsf3.c b/lib/libcompiler_rt/mulsf3.c deleted file mode 100644 index 1e2cf3e717c..00000000000 --- a/lib/libcompiler_rt/mulsf3.c +++ /dev/null @@ -1,30 +0,0 @@ -//===-- lib/mulsf3.c - Single-precision multiplication ------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements single-precision soft-float multiplication -// with the IEEE-754 default rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "fp_mul_impl.inc" - -COMPILER_RT_ABI fp_t __mulsf3(fp_t a, fp_t b) { - return __mulXf3__(a, b); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_fmul(fp_t a, fp_t b) { - return __mulsf3(a, b); -} -#else -AEABI_RTABI fp_t __aeabi_fmul(fp_t a, fp_t b) COMPILER_RT_ALIAS(__mulsf3); -#endif -#endif diff --git a/lib/libcompiler_rt/multc3.c b/lib/libcompiler_rt/multc3.c deleted file mode 100644 index 0518bc2569f..00000000000 --- a/lib/libcompiler_rt/multc3.c +++ /dev/null @@ -1,68 +0,0 @@ -/* ===-- multc3.c - Implement __multc3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __multc3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" -#include "int_math.h" - -/* Returns: the product of a + ib and c + id */ - -COMPILER_RT_ABI long double _Complex -__multc3(long double a, long double b, long double c, long double d) -{ - long double ac = a * c; - long double bd = b * d; - long double ad = a * d; - long double bc = b * c; - long double _Complex z; - __real__ z = ac - bd; - __imag__ z = ad + bc; - if (crt_isnan(__real__ z) && crt_isnan(__imag__ z)) { - int recalc = 0; - if (crt_isinf(a) || crt_isinf(b)) { - a = crt_copysignl(crt_isinf(a) ? 1 : 0, a); - b = crt_copysignl(crt_isinf(b) ? 1 : 0, b); - if (crt_isnan(c)) - c = crt_copysignl(0, c); - if (crt_isnan(d)) - d = crt_copysignl(0, d); - recalc = 1; - } - if (crt_isinf(c) || crt_isinf(d)) { - c = crt_copysignl(crt_isinf(c) ? 1 : 0, c); - d = crt_copysignl(crt_isinf(d) ? 1 : 0, d); - if (crt_isnan(a)) - a = crt_copysignl(0, a); - if (crt_isnan(b)) - b = crt_copysignl(0, b); - recalc = 1; - } - if (!recalc && (crt_isinf(ac) || crt_isinf(bd) || - crt_isinf(ad) || crt_isinf(bc))) { - if (crt_isnan(a)) - a = crt_copysignl(0, a); - if (crt_isnan(b)) - b = crt_copysignl(0, b); - if (crt_isnan(c)) - c = crt_copysignl(0, c); - if (crt_isnan(d)) - d = crt_copysignl(0, d); - recalc = 1; - } - if (recalc) { - __real__ z = CRT_INFINITY * (a * c - b * d); - __imag__ z = CRT_INFINITY * (a * d + b * c); - } - } - return z; -} diff --git a/lib/libcompiler_rt/multf3.c b/lib/libcompiler_rt/multf3.c deleted file mode 100644 index 0b915923ea0..00000000000 --- a/lib/libcompiler_rt/multf3.c +++ /dev/null @@ -1,25 +0,0 @@ -//===-- lib/multf3.c - Quad-precision multiplication --------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements quad-precision soft-float multiplication -// with the IEEE-754 default rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -#include "fp_mul_impl.inc" - -COMPILER_RT_ABI fp_t __multf3(fp_t a, fp_t b) { - return __mulXf3__(a, b); -} - -#endif diff --git a/lib/libcompiler_rt/multi3.c b/lib/libcompiler_rt/multi3.c deleted file mode 100644 index e0d52d430b6..00000000000 --- a/lib/libcompiler_rt/multi3.c +++ /dev/null @@ -1,58 +0,0 @@ -/* ===-- multi3.c - Implement __multi3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - - * This file implements __multi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: a * b */ - -static -ti_int -__mulddi3(du_int a, du_int b) -{ - twords r; - const int bits_in_dword_2 = (int)(sizeof(di_int) * CHAR_BIT) / 2; - const du_int lower_mask = (du_int)~0 >> bits_in_dword_2; - r.s.low = (a & lower_mask) * (b & lower_mask); - du_int t = r.s.low >> bits_in_dword_2; - r.s.low &= lower_mask; - t += (a >> bits_in_dword_2) * (b & lower_mask); - r.s.low += (t & lower_mask) << bits_in_dword_2; - r.s.high = t >> bits_in_dword_2; - t = r.s.low >> bits_in_dword_2; - r.s.low &= lower_mask; - t += (b >> bits_in_dword_2) * (a & lower_mask); - r.s.low += (t & lower_mask) << bits_in_dword_2; - r.s.high += t >> bits_in_dword_2; - r.s.high += (a >> bits_in_dword_2) * (b >> bits_in_dword_2); - return r.all; -} - -/* Returns: a * b */ - -COMPILER_RT_ABI ti_int -__multi3(ti_int a, ti_int b) -{ - twords x; - x.all = a; - twords y; - y.all = b; - twords r; - r.all = __mulddi3(x.s.low, y.s.low); - r.s.high += x.s.high * y.s.low + x.s.low * y.s.high; - return r.all; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/mulvdi3.c b/lib/libcompiler_rt/mulvdi3.c deleted file mode 100644 index e63249e0a04..00000000000 --- a/lib/libcompiler_rt/mulvdi3.c +++ /dev/null @@ -1,56 +0,0 @@ -/*===-- mulvdi3.c - Implement __mulvdi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __mulvdi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a * b */ - -/* Effects: aborts if a * b overflows */ - -COMPILER_RT_ABI di_int -__mulvdi3(di_int a, di_int b) -{ - const int N = (int)(sizeof(di_int) * CHAR_BIT); - const di_int MIN = (di_int)1 << (N-1); - const di_int MAX = ~MIN; - if (a == MIN) - { - if (b == 0 || b == 1) - return a * b; - compilerrt_abort(); - } - if (b == MIN) - { - if (a == 0 || a == 1) - return a * b; - compilerrt_abort(); - } - di_int sa = a >> (N - 1); - di_int abs_a = (a ^ sa) - sa; - di_int sb = b >> (N - 1); - di_int abs_b = (b ^ sb) - sb; - if (abs_a < 2 || abs_b < 2) - return a * b; - if (sa == sb) - { - if (abs_a > MAX / abs_b) - compilerrt_abort(); - } - else - { - if (abs_a > MIN / -abs_b) - compilerrt_abort(); - } - return a * b; -} diff --git a/lib/libcompiler_rt/mulvsi3.c b/lib/libcompiler_rt/mulvsi3.c deleted file mode 100644 index 74ea4f2da22..00000000000 --- a/lib/libcompiler_rt/mulvsi3.c +++ /dev/null @@ -1,56 +0,0 @@ -/* ===-- mulvsi3.c - Implement __mulvsi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __mulvsi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a * b */ - -/* Effects: aborts if a * b overflows */ - -COMPILER_RT_ABI si_int -__mulvsi3(si_int a, si_int b) -{ - const int N = (int)(sizeof(si_int) * CHAR_BIT); - const si_int MIN = (si_int)1 << (N-1); - const si_int MAX = ~MIN; - if (a == MIN) - { - if (b == 0 || b == 1) - return a * b; - compilerrt_abort(); - } - if (b == MIN) - { - if (a == 0 || a == 1) - return a * b; - compilerrt_abort(); - } - si_int sa = a >> (N - 1); - si_int abs_a = (a ^ sa) - sa; - si_int sb = b >> (N - 1); - si_int abs_b = (b ^ sb) - sb; - if (abs_a < 2 || abs_b < 2) - return a * b; - if (sa == sb) - { - if (abs_a > MAX / abs_b) - compilerrt_abort(); - } - else - { - if (abs_a > MIN / -abs_b) - compilerrt_abort(); - } - return a * b; -} diff --git a/lib/libcompiler_rt/mulvti3.c b/lib/libcompiler_rt/mulvti3.c deleted file mode 100644 index f4c7d1612ba..00000000000 --- a/lib/libcompiler_rt/mulvti3.c +++ /dev/null @@ -1,60 +0,0 @@ -/* ===-- mulvti3.c - Implement __mulvti3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __mulvti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: a * b */ - -/* Effects: aborts if a * b overflows */ - -COMPILER_RT_ABI ti_int -__mulvti3(ti_int a, ti_int b) -{ - const int N = (int)(sizeof(ti_int) * CHAR_BIT); - const ti_int MIN = (ti_int)1 << (N-1); - const ti_int MAX = ~MIN; - if (a == MIN) - { - if (b == 0 || b == 1) - return a * b; - compilerrt_abort(); - } - if (b == MIN) - { - if (a == 0 || a == 1) - return a * b; - compilerrt_abort(); - } - ti_int sa = a >> (N - 1); - ti_int abs_a = (a ^ sa) - sa; - ti_int sb = b >> (N - 1); - ti_int abs_b = (b ^ sb) - sb; - if (abs_a < 2 || abs_b < 2) - return a * b; - if (sa == sb) - { - if (abs_a > MAX / abs_b) - compilerrt_abort(); - } - else - { - if (abs_a > MIN / -abs_b) - compilerrt_abort(); - } - return a * b; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/mulxc3.c b/lib/libcompiler_rt/mulxc3.c deleted file mode 100644 index ba322169182..00000000000 --- a/lib/libcompiler_rt/mulxc3.c +++ /dev/null @@ -1,77 +0,0 @@ -/* ===-- mulxc3.c - Implement __mulxc3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __mulxc3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#if !_ARCH_PPC - -#include "int_lib.h" -#include "int_math.h" - -/* Returns: the product of a + ib and c + id */ - -COMPILER_RT_ABI Lcomplex -__mulxc3(long double __a, long double __b, long double __c, long double __d) -{ - long double __ac = __a * __c; - long double __bd = __b * __d; - long double __ad = __a * __d; - long double __bc = __b * __c; - Lcomplex z; - COMPLEX_REAL(z) = __ac - __bd; - COMPLEX_IMAGINARY(z) = __ad + __bc; - if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) - { - int __recalc = 0; - if (crt_isinf(__a) || crt_isinf(__b)) - { - __a = crt_copysignl(crt_isinf(__a) ? 1 : 0, __a); - __b = crt_copysignl(crt_isinf(__b) ? 1 : 0, __b); - if (crt_isnan(__c)) - __c = crt_copysignl(0, __c); - if (crt_isnan(__d)) - __d = crt_copysignl(0, __d); - __recalc = 1; - } - if (crt_isinf(__c) || crt_isinf(__d)) - { - __c = crt_copysignl(crt_isinf(__c) ? 1 : 0, __c); - __d = crt_copysignl(crt_isinf(__d) ? 1 : 0, __d); - if (crt_isnan(__a)) - __a = crt_copysignl(0, __a); - if (crt_isnan(__b)) - __b = crt_copysignl(0, __b); - __recalc = 1; - } - if (!__recalc && (crt_isinf(__ac) || crt_isinf(__bd) || - crt_isinf(__ad) || crt_isinf(__bc))) - { - if (crt_isnan(__a)) - __a = crt_copysignl(0, __a); - if (crt_isnan(__b)) - __b = crt_copysignl(0, __b); - if (crt_isnan(__c)) - __c = crt_copysignl(0, __c); - if (crt_isnan(__d)) - __d = crt_copysignl(0, __d); - __recalc = 1; - } - if (__recalc) - { - COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c - __b * __d); - COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__a * __d + __b * __c); - } - } - return z; -} - -#endif diff --git a/lib/libcompiler_rt/negdf2.c b/lib/libcompiler_rt/negdf2.c deleted file mode 100644 index f0bfaad2474..00000000000 --- a/lib/libcompiler_rt/negdf2.c +++ /dev/null @@ -1,30 +0,0 @@ -//===-- lib/negdf2.c - double-precision negation ------------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements double-precision soft-float negation. -// -//===----------------------------------------------------------------------===// - -#define DOUBLE_PRECISION -#include "fp_lib.h" - -COMPILER_RT_ABI fp_t -__negdf2(fp_t a) { - return fromRep(toRep(a) ^ signBit); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_dneg(fp_t a) { - return __negdf2(a); -} -#else -AEABI_RTABI fp_t __aeabi_dneg(fp_t a) COMPILER_RT_ALIAS(__negdf2); -#endif -#endif diff --git a/lib/libcompiler_rt/negdi2.c b/lib/libcompiler_rt/negdi2.c deleted file mode 100644 index 3d49ba2899d..00000000000 --- a/lib/libcompiler_rt/negdi2.c +++ /dev/null @@ -1,26 +0,0 @@ -/* ===-- negdi2.c - Implement __negdi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __negdi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: -a */ - -COMPILER_RT_ABI di_int -__negdi2(di_int a) -{ - /* Note: this routine is here for API compatibility; any sane compiler - * should expand it inline. - */ - return -a; -} diff --git a/lib/libcompiler_rt/negsf2.c b/lib/libcompiler_rt/negsf2.c deleted file mode 100644 index 05c97d4d5a1..00000000000 --- a/lib/libcompiler_rt/negsf2.c +++ /dev/null @@ -1,30 +0,0 @@ -//===-- lib/negsf2.c - single-precision negation ------------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements single-precision soft-float negation. -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "fp_lib.h" - -COMPILER_RT_ABI fp_t -__negsf2(fp_t a) { - return fromRep(toRep(a) ^ signBit); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_fneg(fp_t a) { - return __negsf2(a); -} -#else -AEABI_RTABI fp_t __aeabi_fneg(fp_t a) COMPILER_RT_ALIAS(__negsf2); -#endif -#endif diff --git a/lib/libcompiler_rt/negti2.c b/lib/libcompiler_rt/negti2.c deleted file mode 100644 index 9b00b303f85..00000000000 --- a/lib/libcompiler_rt/negti2.c +++ /dev/null @@ -1,30 +0,0 @@ -/* ===-- negti2.c - Implement __negti2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __negti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: -a */ - -COMPILER_RT_ABI ti_int -__negti2(ti_int a) -{ - /* Note: this routine is here for API compatibility; any sane compiler - * should expand it inline. - */ - return -a; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/negvdi2.c b/lib/libcompiler_rt/negvdi2.c deleted file mode 100644 index e336ecf28f0..00000000000 --- a/lib/libcompiler_rt/negvdi2.c +++ /dev/null @@ -1,28 +0,0 @@ -/* ===-- negvdi2.c - Implement __negvdi2 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __negvdi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: -a */ - -/* Effects: aborts if -a overflows */ - -COMPILER_RT_ABI di_int -__negvdi2(di_int a) -{ - const di_int MIN = (di_int)1 << ((int)(sizeof(di_int) * CHAR_BIT)-1); - if (a == MIN) - compilerrt_abort(); - return -a; -} diff --git a/lib/libcompiler_rt/negvsi2.c b/lib/libcompiler_rt/negvsi2.c deleted file mode 100644 index b9e93fef06c..00000000000 --- a/lib/libcompiler_rt/negvsi2.c +++ /dev/null @@ -1,28 +0,0 @@ -/* ===-- negvsi2.c - Implement __negvsi2 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __negvsi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: -a */ - -/* Effects: aborts if -a overflows */ - -COMPILER_RT_ABI si_int -__negvsi2(si_int a) -{ - const si_int MIN = (si_int)1 << ((int)(sizeof(si_int) * CHAR_BIT)-1); - if (a == MIN) - compilerrt_abort(); - return -a; -} diff --git a/lib/libcompiler_rt/negvti2.c b/lib/libcompiler_rt/negvti2.c deleted file mode 100644 index 85f9f7d19d9..00000000000 --- a/lib/libcompiler_rt/negvti2.c +++ /dev/null @@ -1,32 +0,0 @@ -/*===-- negvti2.c - Implement __negvti2 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------=== - * - *This file implements __negvti2 for the compiler_rt library. - * - *===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: -a */ - -/* Effects: aborts if -a overflows */ - -COMPILER_RT_ABI ti_int -__negvti2(ti_int a) -{ - const ti_int MIN = (ti_int)1 << ((int)(sizeof(ti_int) * CHAR_BIT)-1); - if (a == MIN) - compilerrt_abort(); - return -a; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/paritydi2.c b/lib/libcompiler_rt/paritydi2.c deleted file mode 100644 index 8ea5ab4214e..00000000000 --- a/lib/libcompiler_rt/paritydi2.c +++ /dev/null @@ -1,25 +0,0 @@ -/* ===-- paritydi2.c - Implement __paritydi2 -------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __paritydi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: 1 if number of bits is odd else returns 0 */ - -COMPILER_RT_ABI si_int -__paritydi2(di_int a) -{ - dwords x; - x.all = a; - return __paritysi2(x.s.high ^ x.s.low); -} diff --git a/lib/libcompiler_rt/paritysi2.c b/lib/libcompiler_rt/paritysi2.c deleted file mode 100644 index 59998466384..00000000000 --- a/lib/libcompiler_rt/paritysi2.c +++ /dev/null @@ -1,27 +0,0 @@ -/* ===-- paritysi2.c - Implement __paritysi2 -------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __paritysi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: 1 if number of bits is odd else returns 0 */ - -COMPILER_RT_ABI si_int -__paritysi2(si_int a) -{ - su_int x = (su_int)a; - x ^= x >> 16; - x ^= x >> 8; - x ^= x >> 4; - return (0x6996 >> (x & 0xF)) & 1; -} diff --git a/lib/libcompiler_rt/parityti2.c b/lib/libcompiler_rt/parityti2.c deleted file mode 100644 index 5a4fe492486..00000000000 --- a/lib/libcompiler_rt/parityti2.c +++ /dev/null @@ -1,29 +0,0 @@ -/* ===-- parityti2.c - Implement __parityti2 -------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __parityti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: 1 if number of bits is odd else returns 0 */ - -COMPILER_RT_ABI si_int -__parityti2(ti_int a) -{ - twords x; - x.all = a; - return __paritydi2(x.s.high ^ x.s.low); -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/popcountdi2.c b/lib/libcompiler_rt/popcountdi2.c deleted file mode 100644 index 5e8a62f075e..00000000000 --- a/lib/libcompiler_rt/popcountdi2.c +++ /dev/null @@ -1,36 +0,0 @@ -/* ===-- popcountdi2.c - Implement __popcountdi2 ----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __popcountdi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: count of 1 bits */ - -COMPILER_RT_ABI si_int -__popcountdi2(di_int a) -{ - du_int x2 = (du_int)a; - x2 = x2 - ((x2 >> 1) & 0x5555555555555555uLL); - /* Every 2 bits holds the sum of every pair of bits (32) */ - x2 = ((x2 >> 2) & 0x3333333333333333uLL) + (x2 & 0x3333333333333333uLL); - /* Every 4 bits holds the sum of every 4-set of bits (3 significant bits) (16) */ - x2 = (x2 + (x2 >> 4)) & 0x0F0F0F0F0F0F0F0FuLL; - /* Every 8 bits holds the sum of every 8-set of bits (4 significant bits) (8) */ - su_int x = (su_int)(x2 + (x2 >> 32)); - /* The lower 32 bits hold four 16 bit sums (5 significant bits). */ - /* Upper 32 bits are garbage */ - x = x + (x >> 16); - /* The lower 16 bits hold two 32 bit sums (6 significant bits). */ - /* Upper 16 bits are garbage */ - return (x + (x >> 8)) & 0x0000007F; /* (7 significant bits) */ -} diff --git a/lib/libcompiler_rt/popcountsi2.c b/lib/libcompiler_rt/popcountsi2.c deleted file mode 100644 index 44544ff4989..00000000000 --- a/lib/libcompiler_rt/popcountsi2.c +++ /dev/null @@ -1,33 +0,0 @@ -/* ===-- popcountsi2.c - Implement __popcountsi2 ---------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __popcountsi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: count of 1 bits */ - -COMPILER_RT_ABI si_int -__popcountsi2(si_int a) -{ - su_int x = (su_int)a; - x = x - ((x >> 1) & 0x55555555); - /* Every 2 bits holds the sum of every pair of bits */ - x = ((x >> 2) & 0x33333333) + (x & 0x33333333); - /* Every 4 bits holds the sum of every 4-set of bits (3 significant bits) */ - x = (x + (x >> 4)) & 0x0F0F0F0F; - /* Every 8 bits holds the sum of every 8-set of bits (4 significant bits) */ - x = (x + (x >> 16)); - /* The lower 16 bits hold two 8 bit sums (5 significant bits).*/ - /* Upper 16 bits are garbage */ - return (x + (x >> 8)) & 0x0000003F; /* (6 significant bits) */ -} diff --git a/lib/libcompiler_rt/popcountti2.c b/lib/libcompiler_rt/popcountti2.c deleted file mode 100644 index 7451bbb286b..00000000000 --- a/lib/libcompiler_rt/popcountti2.c +++ /dev/null @@ -1,44 +0,0 @@ -/* ===-- popcountti2.c - Implement __popcountti2 ----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __popcountti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: count of 1 bits */ - -COMPILER_RT_ABI si_int -__popcountti2(ti_int a) -{ - tu_int x3 = (tu_int)a; - x3 = x3 - ((x3 >> 1) & (((tu_int)0x5555555555555555uLL << 64) | - 0x5555555555555555uLL)); - /* Every 2 bits holds the sum of every pair of bits (64) */ - x3 = ((x3 >> 2) & (((tu_int)0x3333333333333333uLL << 64) | 0x3333333333333333uLL)) - + (x3 & (((tu_int)0x3333333333333333uLL << 64) | 0x3333333333333333uLL)); - /* Every 4 bits holds the sum of every 4-set of bits (3 significant bits) (32) */ - x3 = (x3 + (x3 >> 4)) - & (((tu_int)0x0F0F0F0F0F0F0F0FuLL << 64) | 0x0F0F0F0F0F0F0F0FuLL); - /* Every 8 bits holds the sum of every 8-set of bits (4 significant bits) (16) */ - du_int x2 = (du_int)(x3 + (x3 >> 64)); - /* Every 8 bits holds the sum of every 8-set of bits (5 significant bits) (8) */ - su_int x = (su_int)(x2 + (x2 >> 32)); - /* Every 8 bits holds the sum of every 8-set of bits (6 significant bits) (4) */ - x = x + (x >> 16); - /* Every 8 bits holds the sum of every 8-set of bits (7 significant bits) (2) */ - /* Upper 16 bits are garbage */ - return (x + (x >> 8)) & 0xFF; /* (8 significant bits) */ -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/powidf2.c b/lib/libcompiler_rt/powidf2.c deleted file mode 100644 index ac13b172b04..00000000000 --- a/lib/libcompiler_rt/powidf2.c +++ /dev/null @@ -1,34 +0,0 @@ -/* ===-- powidf2.cpp - Implement __powidf2 ---------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __powidf2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a ^ b */ - -COMPILER_RT_ABI double -__powidf2(double a, si_int b) -{ - const int recip = b < 0; - double r = 1; - while (1) - { - if (b & 1) - r *= a; - b /= 2; - if (b == 0) - break; - a *= a; - } - return recip ? 1/r : r; -} diff --git a/lib/libcompiler_rt/powisf2.c b/lib/libcompiler_rt/powisf2.c deleted file mode 100644 index 0c400ec6dd6..00000000000 --- a/lib/libcompiler_rt/powisf2.c +++ /dev/null @@ -1,34 +0,0 @@ -/*===-- powisf2.cpp - Implement __powisf2 ---------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __powisf2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a ^ b */ - -COMPILER_RT_ABI float -__powisf2(float a, si_int b) -{ - const int recip = b < 0; - float r = 1; - while (1) - { - if (b & 1) - r *= a; - b /= 2; - if (b == 0) - break; - a *= a; - } - return recip ? 1/r : r; -} diff --git a/lib/libcompiler_rt/powitf2.c b/lib/libcompiler_rt/powitf2.c deleted file mode 100644 index 172f29f58f2..00000000000 --- a/lib/libcompiler_rt/powitf2.c +++ /dev/null @@ -1,38 +0,0 @@ -/* ===-- powitf2.cpp - Implement __powitf2 ---------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __powitf2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#if _ARCH_PPC - -/* Returns: a ^ b */ - -COMPILER_RT_ABI long double -__powitf2(long double a, si_int b) -{ - const int recip = b < 0; - long double r = 1; - while (1) - { - if (b & 1) - r *= a; - b /= 2; - if (b == 0) - break; - a *= a; - } - return recip ? 1/r : r; -} - -#endif diff --git a/lib/libcompiler_rt/powixf2.c b/lib/libcompiler_rt/powixf2.c deleted file mode 100644 index 0fd96e503e7..00000000000 --- a/lib/libcompiler_rt/powixf2.c +++ /dev/null @@ -1,38 +0,0 @@ -/* ===-- powixf2.cpp - Implement __powixf2 ---------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __powixf2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#if !_ARCH_PPC - -#include "int_lib.h" - -/* Returns: a ^ b */ - -COMPILER_RT_ABI long double -__powixf2(long double a, si_int b) -{ - const int recip = b < 0; - long double r = 1; - while (1) - { - if (b & 1) - r *= a; - b /= 2; - if (b == 0) - break; - a *= a; - } - return recip ? 1/r : r; -} - -#endif diff --git a/lib/libcompiler_rt/ppc/DD.h b/lib/libcompiler_rt/ppc/DD.h deleted file mode 100644 index 3e5f9e58c13..00000000000 --- a/lib/libcompiler_rt/ppc/DD.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef COMPILERRT_DD_HEADER -#define COMPILERRT_DD_HEADER - -#include "../int_lib.h" - -typedef union { - long double ld; - struct { - double hi; - double lo; - }s; -} DD; - -typedef union { - double d; - uint64_t x; -} doublebits; - -#define LOWORDER(xy,xHi,xLo,yHi,yLo) \ - (((((xHi)*(yHi) - (xy)) + (xHi)*(yLo)) + (xLo)*(yHi)) + (xLo)*(yLo)) - -static __inline ALWAYS_INLINE double local_fabs(double x) { - doublebits result = {.d = x}; - result.x &= UINT64_C(0x7fffffffffffffff); - return result.d; -} - -static __inline ALWAYS_INLINE double high26bits(double x) { - doublebits result = {.d = x}; - result.x &= UINT64_C(0xfffffffff8000000); - return result.d; -} - -static __inline ALWAYS_INLINE int different_sign(double x, double y) { - doublebits xsignbit = {.d = x}, ysignbit = {.d = y}; - int result = (int)(xsignbit.x >> 63) ^ (int)(ysignbit.x >> 63); - return result; -} - -long double __gcc_qadd(long double, long double); -long double __gcc_qsub(long double, long double); -long double __gcc_qmul(long double, long double); -long double __gcc_qdiv(long double, long double); - -#endif /* COMPILERRT_DD_HEADER */ diff --git a/lib/libcompiler_rt/ppc/atomic_lock_free.c b/lib/libcompiler_rt/ppc/atomic_lock_free.c deleted file mode 100644 index 6a781a3069b..00000000000 --- a/lib/libcompiler_rt/ppc/atomic_lock_free.c +++ /dev/null @@ -1,22 +0,0 @@ -/* Public domain. */ - -#include <stdbool.h> -#include <stdint.h> -#include <stdlib.h> - -#pragma redefine_extname __atomic_is_lock_free_c __atomic_is_lock_free - -bool -__atomic_is_lock_free_c(size_t size, void *ptr) -{ - switch (size) { - case 1: - return true; - case 2: - return (((uintptr_t)ptr & 1) == 0); - case 4: - return (((uintptr_t)ptr & 3) == 0); - } - - return false; -} diff --git a/lib/libcompiler_rt/ppc/divtc3.c b/lib/libcompiler_rt/ppc/divtc3.c deleted file mode 100644 index ef532b84114..00000000000 --- a/lib/libcompiler_rt/ppc/divtc3.c +++ /dev/null @@ -1,97 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -#include "DD.h" -#include "../int_math.h" -// Use DOUBLE_PRECISION because the soft-fp method we use is logb (on the upper -// half of the long doubles), even though this file defines complex division for -// 128-bit floats. -#define DOUBLE_PRECISION -#include "../fp_lib.h" - -#if !defined(CRT_INFINITY) && defined(HUGE_VAL) -#define CRT_INFINITY HUGE_VAL -#endif /* CRT_INFINITY */ - -#define makeFinite(x) { \ - (x).s.hi = crt_copysign(crt_isinf((x).s.hi) ? 1.0 : 0.0, (x).s.hi); \ - (x).s.lo = 0.0; \ - } - -long double _Complex -__divtc3(long double a, long double b, long double c, long double d) -{ - DD cDD = { .ld = c }; - DD dDD = { .ld = d }; - - int ilogbw = 0; - const double logbw = __compiler_rt_logb( - crt_fmax(crt_fabs(cDD.s.hi), crt_fabs(dDD.s.hi))); - - if (crt_isfinite(logbw)) - { - ilogbw = (int)logbw; - - cDD.s.hi = crt_scalbn(cDD.s.hi, -ilogbw); - cDD.s.lo = crt_scalbn(cDD.s.lo, -ilogbw); - dDD.s.hi = crt_scalbn(dDD.s.hi, -ilogbw); - dDD.s.lo = crt_scalbn(dDD.s.lo, -ilogbw); - } - - const long double denom = __gcc_qadd(__gcc_qmul(cDD.ld, cDD.ld), __gcc_qmul(dDD.ld, dDD.ld)); - const long double realNumerator = __gcc_qadd(__gcc_qmul(a,cDD.ld), __gcc_qmul(b,dDD.ld)); - const long double imagNumerator = __gcc_qsub(__gcc_qmul(b,cDD.ld), __gcc_qmul(a,dDD.ld)); - - DD real = { .ld = __gcc_qdiv(realNumerator, denom) }; - DD imag = { .ld = __gcc_qdiv(imagNumerator, denom) }; - - real.s.hi = crt_scalbn(real.s.hi, -ilogbw); - real.s.lo = crt_scalbn(real.s.lo, -ilogbw); - imag.s.hi = crt_scalbn(imag.s.hi, -ilogbw); - imag.s.lo = crt_scalbn(imag.s.lo, -ilogbw); - - if (crt_isnan(real.s.hi) && crt_isnan(imag.s.hi)) - { - DD aDD = { .ld = a }; - DD bDD = { .ld = b }; - DD rDD = { .ld = denom }; - - if ((rDD.s.hi == 0.0) && (!crt_isnan(aDD.s.hi) || - !crt_isnan(bDD.s.hi))) - { - real.s.hi = crt_copysign(CRT_INFINITY,cDD.s.hi) * aDD.s.hi; - real.s.lo = 0.0; - imag.s.hi = crt_copysign(CRT_INFINITY,cDD.s.hi) * bDD.s.hi; - imag.s.lo = 0.0; - } - - else if ((crt_isinf(aDD.s.hi) || crt_isinf(bDD.s.hi)) && - crt_isfinite(cDD.s.hi) && crt_isfinite(dDD.s.hi)) - { - makeFinite(aDD); - makeFinite(bDD); - real.s.hi = CRT_INFINITY * (aDD.s.hi*cDD.s.hi + bDD.s.hi*dDD.s.hi); - real.s.lo = 0.0; - imag.s.hi = CRT_INFINITY * (bDD.s.hi*cDD.s.hi - aDD.s.hi*dDD.s.hi); - imag.s.lo = 0.0; - } - - else if ((crt_isinf(cDD.s.hi) || crt_isinf(dDD.s.hi)) && - crt_isfinite(aDD.s.hi) && crt_isfinite(bDD.s.hi)) - { - makeFinite(cDD); - makeFinite(dDD); - real.s.hi = crt_copysign(0.0,(aDD.s.hi*cDD.s.hi + bDD.s.hi*dDD.s.hi)); - real.s.lo = 0.0; - imag.s.hi = crt_copysign(0.0,(bDD.s.hi*cDD.s.hi - aDD.s.hi*dDD.s.hi)); - imag.s.lo = 0.0; - } - } - - long double _Complex z; - __real__ z = real.ld; - __imag__ z = imag.ld; - - return z; -} diff --git a/lib/libcompiler_rt/ppc/fixtfdi.c b/lib/libcompiler_rt/ppc/fixtfdi.c deleted file mode 100644 index 2c7c0f8e279..00000000000 --- a/lib/libcompiler_rt/ppc/fixtfdi.c +++ /dev/null @@ -1,104 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* int64_t __fixunstfdi(long double x); - * This file implements the PowerPC 128-bit double-double -> int64_t conversion - */ - -#include "DD.h" -#include "../int_math.h" - -uint64_t __fixtfdi(long double input) -{ - const DD x = { .ld = input }; - const doublebits hibits = { .d = x.s.hi }; - - const uint32_t absHighWord = (uint32_t)(hibits.x >> 32) & UINT32_C(0x7fffffff); - const uint32_t absHighWordMinusOne = absHighWord - UINT32_C(0x3ff00000); - - /* If (1.0 - tiny) <= input < 0x1.0p63: */ - if (UINT32_C(0x03f00000) > absHighWordMinusOne) - { - /* Do an unsigned conversion of the absolute value, then restore the sign. */ - const int unbiasedHeadExponent = absHighWordMinusOne >> 20; - - int64_t result = hibits.x & INT64_C(0x000fffffffffffff); /* mantissa(hi) */ - result |= INT64_C(0x0010000000000000); /* matissa(hi) with implicit bit */ - result <<= 10; /* mantissa(hi) with one zero preceding bit. */ - - const int64_t hiNegationMask = ((int64_t)(hibits.x)) >> 63; - - /* If the tail is non-zero, we need to patch in the tail bits. */ - if (0.0 != x.s.lo) - { - const doublebits lobits = { .d = x.s.lo }; - int64_t tailMantissa = lobits.x & INT64_C(0x000fffffffffffff); - tailMantissa |= INT64_C(0x0010000000000000); - - /* At this point we have the mantissa of |tail| */ - /* We need to negate it if head and tail have different signs. */ - const int64_t loNegationMask = ((int64_t)(lobits.x)) >> 63; - const int64_t negationMask = loNegationMask ^ hiNegationMask; - tailMantissa = (tailMantissa ^ negationMask) - negationMask; - - /* Now we have the mantissa of tail as a signed 2s-complement integer */ - - const int biasedTailExponent = (int)(lobits.x >> 52) & 0x7ff; - - /* Shift the tail mantissa into the right position, accounting for the - * bias of 10 that we shifted the head mantissa by. - */ - tailMantissa >>= (unbiasedHeadExponent - (biasedTailExponent - (1023 - 10))); - - result += tailMantissa; - } - - result >>= (62 - unbiasedHeadExponent); - - /* Restore the sign of the result and return */ - result = (result ^ hiNegationMask) - hiNegationMask; - return result; - - } - - /* Edge cases handled here: */ - - /* |x| < 1, result is zero. */ - if (1.0 > crt_fabs(x.s.hi)) - return INT64_C(0); - - /* x very close to INT64_MIN, care must be taken to see which side we are on. */ - if (x.s.hi == -0x1.0p63) { - - int64_t result = INT64_MIN; - - if (0.0 < x.s.lo) - { - /* If the tail is positive, the correct result is something other than INT64_MIN. - * we'll need to figure out what it is. - */ - - const doublebits lobits = { .d = x.s.lo }; - int64_t tailMantissa = lobits.x & INT64_C(0x000fffffffffffff); - tailMantissa |= INT64_C(0x0010000000000000); - - /* Now we negate the tailMantissa */ - tailMantissa = (tailMantissa ^ INT64_C(-1)) + INT64_C(1); - - /* And shift it by the appropriate amount */ - const int biasedTailExponent = (int)(lobits.x >> 52) & 0x7ff; - tailMantissa >>= 1075 - biasedTailExponent; - - result -= tailMantissa; - } - - return result; - } - - /* Signed overflows, infinities, and NaNs */ - if (x.s.hi > 0.0) - return INT64_MAX; - else - return INT64_MIN; -} diff --git a/lib/libcompiler_rt/ppc/fixunstfdi.c b/lib/libcompiler_rt/ppc/fixunstfdi.c deleted file mode 100644 index 5e6e2cedf6a..00000000000 --- a/lib/libcompiler_rt/ppc/fixunstfdi.c +++ /dev/null @@ -1,59 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* uint64_t __fixunstfdi(long double x); */ -/* This file implements the PowerPC 128-bit double-double -> uint64_t conversion */ - -#include "DD.h" - -uint64_t __fixunstfdi(long double input) -{ - const DD x = { .ld = input }; - const doublebits hibits = { .d = x.s.hi }; - - const uint32_t highWordMinusOne = (uint32_t)(hibits.x >> 32) - UINT32_C(0x3ff00000); - - /* If (1.0 - tiny) <= input < 0x1.0p64: */ - if (UINT32_C(0x04000000) > highWordMinusOne) - { - const int unbiasedHeadExponent = highWordMinusOne >> 20; - - uint64_t result = hibits.x & UINT64_C(0x000fffffffffffff); /* mantissa(hi) */ - result |= UINT64_C(0x0010000000000000); /* matissa(hi) with implicit bit */ - result <<= 11; /* mantissa(hi) left aligned in the int64 field. */ - - /* If the tail is non-zero, we need to patch in the tail bits. */ - if (0.0 != x.s.lo) - { - const doublebits lobits = { .d = x.s.lo }; - int64_t tailMantissa = lobits.x & INT64_C(0x000fffffffffffff); - tailMantissa |= INT64_C(0x0010000000000000); - - /* At this point we have the mantissa of |tail| */ - - const int64_t negationMask = ((int64_t)(lobits.x)) >> 63; - tailMantissa = (tailMantissa ^ negationMask) - negationMask; - - /* Now we have the mantissa of tail as a signed 2s-complement integer */ - - const int biasedTailExponent = (int)(lobits.x >> 52) & 0x7ff; - - /* Shift the tail mantissa into the right position, accounting for the - * bias of 11 that we shifted the head mantissa by. - */ - tailMantissa >>= (unbiasedHeadExponent - (biasedTailExponent - (1023 - 11))); - - result += tailMantissa; - } - - result >>= (63 - unbiasedHeadExponent); - return result; - } - - /* Edge cases are handled here, with saturation. */ - if (1.0 > x.s.hi) - return UINT64_C(0); - else - return UINT64_MAX; -} diff --git a/lib/libcompiler_rt/ppc/fixunstfti.c b/lib/libcompiler_rt/ppc/fixunstfti.c deleted file mode 100644 index fa21084cb57..00000000000 --- a/lib/libcompiler_rt/ppc/fixunstfti.c +++ /dev/null @@ -1,106 +0,0 @@ -//===-- lib/builtins/ppc/fixunstfti.c - Convert long double->int128 *-C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements converting the 128bit IBM/PowerPC long double (double- -// double) data type to an unsigned 128 bit integer. -// -//===----------------------------------------------------------------------===// - -#include "../int_math.h" -#define BIAS 1023 - -/* Convert long double into an unsigned 128-bit integer. */ -__uint128_t __fixunstfti(long double input) { - - /* If we are trying to convert a NaN, return the NaN bit pattern. */ - if (crt_isnan(input)) { - return ((__uint128_t)0x7FF8000000000000ll) << 64 | - (__uint128_t)0x0000000000000000ll; - } - - __uint128_t result, hiResult, loResult; - int hiExponent, loExponent, shift; - /* The long double representation, with the high and low portions of - * the long double, and the corresponding bit patterns of each double. */ - union { - long double ld; - double d[2]; /* [0] is the high double, [1] is the low double. */ - unsigned long long ull[2]; /* High and low doubles as 64-bit integers. */ - } ldUnion; - - /* If the long double is less than 1.0 or negative, - * return 0.0. */ - if (input < 1.0) - return 0.0; - - /* Retrieve the 64-bit patterns of high and low doubles. - * Compute the unbiased exponent of both high and low doubles by - * removing the signs, isolating the exponent, and subtracting - * the bias from it. */ - ldUnion.ld = input; - hiExponent = ((ldUnion.ull[0] & 0x7FFFFFFFFFFFFFFFll) >> 52) - BIAS; - loExponent = ((ldUnion.ull[1] & 0x7FFFFFFFFFFFFFFFll) >> 52) - BIAS; - - /* Convert each double into int64; they will be added to the int128 result. - * CASE 1: High or low double fits in int64 - * - Convert the each double normally into int64. - * - * CASE 2: High or low double does not fit in int64 - * - Scale the double to fit within a 64-bit integer - * - Calculate the shift (amount to scale the double by in the int128) - * - Clear all the bits of the exponent (with 0x800FFFFFFFFFFFFF) - * - Add BIAS+53 (0x4350000000000000) to exponent to correct the value - * - Scale (move) the double to the correct place in the int128 - * (Move it by 2^53 places) - * - * Note: If the high double is assumed to be positive, an unsigned conversion - * from long double to 64-bit integer is needed. The low double can be either - * positive or negative, so a signed conversion is needed to retain the result - * of the low double and to ensure it does not simply get converted to 0. */ - - /* CASE 1 - High double fits in int64. */ - if (hiExponent < 63) { - hiResult = (unsigned long long)ldUnion.d[0]; - } else if (hiExponent < 128) { - /* CASE 2 - High double does not fit in int64, scale and convert it. */ - shift = hiExponent - 54; - ldUnion.ull[0] &= 0x800FFFFFFFFFFFFFll; - ldUnion.ull[0] |= 0x4350000000000000ll; - hiResult = (unsigned long long)ldUnion.d[0]; - hiResult <<= shift; - } else { - /* Detect cases for overflow. When the exponent of the high - * double is greater than 128 bits and when the long double - * input is positive, return the max 128-bit integer. - * For negative inputs with exponents > 128, return 1, like gcc. */ - if (ldUnion.d[0] > 0) { - return ((__uint128_t)0xFFFFFFFFFFFFFFFFll) << 64 | - (__uint128_t)0xFFFFFFFFFFFFFFFFll; - } else { - return ((__uint128_t)0x0000000000000000ll) << 64 | - (__uint128_t)0x0000000000000001ll; - } - } - - /* CASE 1 - Low double fits in int64. */ - if (loExponent < 63) { - loResult = (long long)ldUnion.d[1]; - } else { - /* CASE 2 - Low double does not fit in int64, scale and convert it. */ - shift = loExponent - 54; - ldUnion.ull[1] &= 0x800FFFFFFFFFFFFFll; - ldUnion.ull[1] |= 0x4350000000000000ll; - loResult = (long long)ldUnion.d[1]; - loResult <<= shift; - } - - /* Add the high and low doublewords together to form a 128 bit integer. */ - result = loResult + hiResult; - return result; -} diff --git a/lib/libcompiler_rt/ppc/floatditf.c b/lib/libcompiler_rt/ppc/floatditf.c deleted file mode 100644 index beabdd01742..00000000000 --- a/lib/libcompiler_rt/ppc/floatditf.c +++ /dev/null @@ -1,36 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* long double __floatditf(long long x); */ -/* This file implements the PowerPC long long -> long double conversion */ - -#include "DD.h" - -long double __floatditf(int64_t a) { - - static const double twop32 = 0x1.0p32; - static const double twop52 = 0x1.0p52; - - doublebits low = { .d = twop52 }; - low.x |= a & UINT64_C(0x00000000ffffffff); /* 0x1.0p52 + low 32 bits of a. */ - - const double high_addend = (double)((int32_t)(a >> 32))*twop32 - twop52; - - /* At this point, we have two double precision numbers - * high_addend and low.d, and we wish to return their sum - * as a canonicalized long double: - */ - - /* This implementation sets the inexact flag spuriously. - * This could be avoided, but at some substantial cost. - */ - - DD result; - - result.s.hi = high_addend + low.d; - result.s.lo = (high_addend - result.s.hi) + low.d; - - return result.ld; - -} diff --git a/lib/libcompiler_rt/ppc/floattitf.c b/lib/libcompiler_rt/ppc/floattitf.c deleted file mode 100644 index b8e297b6b8d..00000000000 --- a/lib/libcompiler_rt/ppc/floattitf.c +++ /dev/null @@ -1,48 +0,0 @@ -//===-- lib/builtins/ppc/floattitf.c - Convert int128->long double -*-C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements converting a signed 128 bit integer to a 128bit IBM / -// PowerPC long double (double-double) value. -// -//===----------------------------------------------------------------------===// - -#include <stdint.h> - -/* Conversions from signed and unsigned 64-bit int to long double. */ -long double __floatditf(int64_t); -long double __floatunditf(uint64_t); - -/* Convert a signed 128-bit integer to long double. - * This uses the following property: Let hi and lo be 64-bits each, - * and let signed_val_k() and unsigned_val_k() be the value of the - * argument interpreted as a signed or unsigned k-bit integer. Then, - * - * signed_val_128(hi,lo) = signed_val_64(hi) * 2^64 + unsigned_val_64(lo) - * = (long double)hi * 2^64 + (long double)lo, - * - * where (long double)hi and (long double)lo are signed and - * unsigned 64-bit integer to long double conversions, respectively. - */ -long double __floattitf(__int128_t arg) { - /* Split the int128 argument into 64-bit high and low int64 parts. */ - int64_t ArgHiPart = (int64_t)(arg >> 64); - uint64_t ArgLoPart = (uint64_t)arg; - - /* Convert each 64-bit part into long double. The high part - * must be a signed conversion and the low part an unsigned conversion - * to ensure the correct result. */ - long double ConvertedHiPart = __floatditf(ArgHiPart); - long double ConvertedLoPart = __floatunditf(ArgLoPart); - - /* The low bit of ArgHiPart corresponds to the 2^64 bit in arg. - * Multiply the high part by 2^64 to undo the right shift by 64-bits - * done in the splitting. Then, add to the low part to obtain the - * final result. */ - return ((ConvertedHiPart * 0x1.0p64) + ConvertedLoPart); -} diff --git a/lib/libcompiler_rt/ppc/floatunditf.c b/lib/libcompiler_rt/ppc/floatunditf.c deleted file mode 100644 index b12e1e738fd..00000000000 --- a/lib/libcompiler_rt/ppc/floatunditf.c +++ /dev/null @@ -1,41 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* long double __floatunditf(unsigned long long x); */ -/* This file implements the PowerPC unsigned long long -> long double conversion */ - -#include "DD.h" - -long double __floatunditf(uint64_t a) { - - /* Begins with an exact copy of the code from __floatundidf */ - - static const double twop52 = 0x1.0p52; - static const double twop84 = 0x1.0p84; - static const double twop84_plus_twop52 = 0x1.00000001p84; - - doublebits high = { .d = twop84 }; - doublebits low = { .d = twop52 }; - - high.x |= a >> 32; /* 0x1.0p84 + high 32 bits of a */ - low.x |= a & UINT64_C(0x00000000ffffffff); /* 0x1.0p52 + low 32 bits of a */ - - const double high_addend = high.d - twop84_plus_twop52; - - /* At this point, we have two double precision numbers - * high_addend and low.d, and we wish to return their sum - * as a canonicalized long double: - */ - - /* This implementation sets the inexact flag spuriously. */ - /* This could be avoided, but at some substantial cost. */ - - DD result; - - result.s.hi = high_addend + low.d; - result.s.lo = (high_addend - result.s.hi) + low.d; - - return result.ld; - -} diff --git a/lib/libcompiler_rt/ppc/gcc_qadd.c b/lib/libcompiler_rt/ppc/gcc_qadd.c deleted file mode 100644 index 32e16e9d1d1..00000000000 --- a/lib/libcompiler_rt/ppc/gcc_qadd.c +++ /dev/null @@ -1,76 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* long double __gcc_qadd(long double x, long double y); - * This file implements the PowerPC 128-bit double-double add operation. - * This implementation is shamelessly cribbed from Apple's DDRT, circa 1993(!) - */ - -#include "DD.h" - -long double __gcc_qadd(long double x, long double y) -{ - static const uint32_t infinityHi = UINT32_C(0x7ff00000); - - DD dst = { .ld = x }, src = { .ld = y }; - - register double A = dst.s.hi, a = dst.s.lo, - B = src.s.hi, b = src.s.lo; - - /* If both operands are zero: */ - if ((A == 0.0) && (B == 0.0)) { - dst.s.hi = A + B; - dst.s.lo = 0.0; - return dst.ld; - } - - /* If either operand is NaN or infinity: */ - const doublebits abits = { .d = A }; - const doublebits bbits = { .d = B }; - if ((((uint32_t)(abits.x >> 32) & infinityHi) == infinityHi) || - (((uint32_t)(bbits.x >> 32) & infinityHi) == infinityHi)) { - dst.s.hi = A + B; - dst.s.lo = 0.0; - return dst.ld; - } - - /* If the computation overflows: */ - /* This may be playing things a little bit fast and loose, but it will do for a start. */ - const double testForOverflow = A + (B + (a + b)); - const doublebits testbits = { .d = testForOverflow }; - if (((uint32_t)(testbits.x >> 32) & infinityHi) == infinityHi) { - dst.s.hi = testForOverflow; - dst.s.lo = 0.0; - return dst.ld; - } - - double H, h; - double T, t; - double W, w; - double Y; - - H = B + (A - (A + B)); - T = b + (a - (a + b)); - h = A + (B - (A + B)); - t = a + (b - (a + b)); - - if (local_fabs(A) <= local_fabs(B)) - w = (a + b) + h; - else - w = (a + b) + H; - - W = (A + B) + w; - Y = (A + B) - W; - Y += w; - - if (local_fabs(a) <= local_fabs(b)) - w = t + Y; - else - w = T + Y; - - dst.s.hi = Y = W + w; - dst.s.lo = (W - Y) + w; - - return dst.ld; -} diff --git a/lib/libcompiler_rt/ppc/gcc_qdiv.c b/lib/libcompiler_rt/ppc/gcc_qdiv.c deleted file mode 100644 index 70aa00b6440..00000000000 --- a/lib/libcompiler_rt/ppc/gcc_qdiv.c +++ /dev/null @@ -1,55 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* long double __gcc_qdiv(long double x, long double y); - * This file implements the PowerPC 128-bit double-double division operation. - * This implementation is shamelessly cribbed from Apple's DDRT, circa 1993(!) - */ - -#include "DD.h" - -long double __gcc_qdiv(long double a, long double b) -{ - static const uint32_t infinityHi = UINT32_C(0x7ff00000); - DD dst = { .ld = a }, src = { .ld = b }; - - register double x = dst.s.hi, x1 = dst.s.lo, - y = src.s.hi, y1 = src.s.lo; - - double yHi, yLo, qHi, qLo; - double yq, tmp, q; - - q = x / y; - - /* Detect special cases */ - if (q == 0.0) { - dst.s.hi = q; - dst.s.lo = 0.0; - return dst.ld; - } - - const doublebits qBits = { .d = q }; - if (((uint32_t)(qBits.x >> 32) & infinityHi) == infinityHi) { - dst.s.hi = q; - dst.s.lo = 0.0; - return dst.ld; - } - - yHi = high26bits(y); - qHi = high26bits(q); - - yq = y * q; - yLo = y - yHi; - qLo = q - qHi; - - tmp = LOWORDER(yq, yHi, yLo, qHi, qLo); - tmp = (x - yq) - tmp; - tmp = ((tmp + x1) - y1 * q) / y; - x = q + tmp; - - dst.s.lo = (q - x) + tmp; - dst.s.hi = x; - - return dst.ld; -} diff --git a/lib/libcompiler_rt/ppc/gcc_qmul.c b/lib/libcompiler_rt/ppc/gcc_qmul.c deleted file mode 100644 index fb4c5164ccb..00000000000 --- a/lib/libcompiler_rt/ppc/gcc_qmul.c +++ /dev/null @@ -1,53 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* long double __gcc_qmul(long double x, long double y); - * This file implements the PowerPC 128-bit double-double multiply operation. - * This implementation is shamelessly cribbed from Apple's DDRT, circa 1993(!) - */ - -#include "DD.h" - -long double __gcc_qmul(long double x, long double y) -{ - static const uint32_t infinityHi = UINT32_C(0x7ff00000); - DD dst = { .ld = x }, src = { .ld = y }; - - register double A = dst.s.hi, a = dst.s.lo, - B = src.s.hi, b = src.s.lo; - - double aHi, aLo, bHi, bLo; - double ab, tmp, tau; - - ab = A * B; - - /* Detect special cases */ - if (ab == 0.0) { - dst.s.hi = ab; - dst.s.lo = 0.0; - return dst.ld; - } - - const doublebits abBits = { .d = ab }; - if (((uint32_t)(abBits.x >> 32) & infinityHi) == infinityHi) { - dst.s.hi = ab; - dst.s.lo = 0.0; - return dst.ld; - } - - /* Generic cases handled here. */ - aHi = high26bits(A); - bHi = high26bits(B); - aLo = A - aHi; - bLo = B - bHi; - - tmp = LOWORDER(ab, aHi, aLo, bHi, bLo); - tmp += (A * b + a * B); - tau = ab + tmp; - - dst.s.lo = (ab - tau) + tmp; - dst.s.hi = tau; - - return dst.ld; -} diff --git a/lib/libcompiler_rt/ppc/gcc_qsub.c b/lib/libcompiler_rt/ppc/gcc_qsub.c deleted file mode 100644 index c092e24dbda..00000000000 --- a/lib/libcompiler_rt/ppc/gcc_qsub.c +++ /dev/null @@ -1,76 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* long double __gcc_qsub(long double x, long double y); - * This file implements the PowerPC 128-bit double-double add operation. - * This implementation is shamelessly cribbed from Apple's DDRT, circa 1993(!) - */ - -#include "DD.h" - -long double __gcc_qsub(long double x, long double y) -{ - static const uint32_t infinityHi = UINT32_C(0x7ff00000); - - DD dst = { .ld = x }, src = { .ld = y }; - - register double A = dst.s.hi, a = dst.s.lo, - B = -src.s.hi, b = -src.s.lo; - - /* If both operands are zero: */ - if ((A == 0.0) && (B == 0.0)) { - dst.s.hi = A + B; - dst.s.lo = 0.0; - return dst.ld; - } - - /* If either operand is NaN or infinity: */ - const doublebits abits = { .d = A }; - const doublebits bbits = { .d = B }; - if ((((uint32_t)(abits.x >> 32) & infinityHi) == infinityHi) || - (((uint32_t)(bbits.x >> 32) & infinityHi) == infinityHi)) { - dst.s.hi = A + B; - dst.s.lo = 0.0; - return dst.ld; - } - - /* If the computation overflows: */ - /* This may be playing things a little bit fast and loose, but it will do for a start. */ - const double testForOverflow = A + (B + (a + b)); - const doublebits testbits = { .d = testForOverflow }; - if (((uint32_t)(testbits.x >> 32) & infinityHi) == infinityHi) { - dst.s.hi = testForOverflow; - dst.s.lo = 0.0; - return dst.ld; - } - - double H, h; - double T, t; - double W, w; - double Y; - - H = B + (A - (A + B)); - T = b + (a - (a + b)); - h = A + (B - (A + B)); - t = a + (b - (a + b)); - - if (local_fabs(A) <= local_fabs(B)) - w = (a + b) + h; - else - w = (a + b) + H; - - W = (A + B) + w; - Y = (A + B) - W; - Y += w; - - if (local_fabs(a) <= local_fabs(b)) - w = t + Y; - else - w = T + Y; - - dst.s.hi = Y = W + w; - dst.s.lo = (W - Y) + w; - - return dst.ld; -} diff --git a/lib/libcompiler_rt/ppc/multc3.c b/lib/libcompiler_rt/ppc/multc3.c deleted file mode 100644 index 9dd79c975dd..00000000000 --- a/lib/libcompiler_rt/ppc/multc3.c +++ /dev/null @@ -1,90 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -#include "DD.h" -#include "../int_math.h" - -#define makeFinite(x) { \ - (x).s.hi = crt_copysign(crt_isinf((x).s.hi) ? 1.0 : 0.0, (x).s.hi); \ - (x).s.lo = 0.0; \ - } - -#define zeroNaN(x) { \ - if (crt_isnan((x).s.hi)) { \ - (x).s.hi = crt_copysign(0.0, (x).s.hi); \ - (x).s.lo = 0.0; \ - } \ - } - -long double _Complex -__multc3(long double a, long double b, long double c, long double d) -{ - long double ac = __gcc_qmul(a,c); - long double bd = __gcc_qmul(b,d); - long double ad = __gcc_qmul(a,d); - long double bc = __gcc_qmul(b,c); - - DD real = { .ld = __gcc_qsub(ac,bd) }; - DD imag = { .ld = __gcc_qadd(ad,bc) }; - - if (crt_isnan(real.s.hi) && crt_isnan(imag.s.hi)) - { - int recalc = 0; - - DD aDD = { .ld = a }; - DD bDD = { .ld = b }; - DD cDD = { .ld = c }; - DD dDD = { .ld = d }; - - if (crt_isinf(aDD.s.hi) || crt_isinf(bDD.s.hi)) - { - makeFinite(aDD); - makeFinite(bDD); - zeroNaN(cDD); - zeroNaN(dDD); - recalc = 1; - } - - if (crt_isinf(cDD.s.hi) || crt_isinf(dDD.s.hi)) - { - makeFinite(cDD); - makeFinite(dDD); - zeroNaN(aDD); - zeroNaN(bDD); - recalc = 1; - } - - if (!recalc) - { - DD acDD = { .ld = ac }; - DD bdDD = { .ld = bd }; - DD adDD = { .ld = ad }; - DD bcDD = { .ld = bc }; - - if (crt_isinf(acDD.s.hi) || crt_isinf(bdDD.s.hi) || - crt_isinf(adDD.s.hi) || crt_isinf(bcDD.s.hi)) - { - zeroNaN(aDD); - zeroNaN(bDD); - zeroNaN(cDD); - zeroNaN(dDD); - recalc = 1; - } - } - - if (recalc) - { - real.s.hi = CRT_INFINITY * (aDD.s.hi*cDD.s.hi - bDD.s.hi*dDD.s.hi); - real.s.lo = 0.0; - imag.s.hi = CRT_INFINITY * (aDD.s.hi*dDD.s.hi + bDD.s.hi*cDD.s.hi); - imag.s.lo = 0.0; - } - } - - long double _Complex z; - __real__ z = real.ld; - __imag__ z = imag.ld; - - return z; -} diff --git a/lib/libcompiler_rt/ppc/restFP.S b/lib/libcompiler_rt/ppc/restFP.S deleted file mode 100644 index 507e756e18b..00000000000 --- a/lib/libcompiler_rt/ppc/restFP.S +++ /dev/null @@ -1,46 +0,0 @@ -//===-- restFP.S - Implement restFP ---------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// Helper function used by compiler to restore ppc floating point registers at -// the end of the function epilog. This function returns to the address -// in the LR slot. So a function epilog must branch (b) not branch and link -// (bl) to this function. -// If the compiler wants to restore f27..f31, it does a "b restFP+52" -// -// This function should never be exported by a shared library. Each linkage -// unit carries its own copy of this function. -// -DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(restFP) - lfd f14,-144(r1) - lfd f15,-136(r1) - lfd f16,-128(r1) - lfd f17,-120(r1) - lfd f18,-112(r1) - lfd f19,-104(r1) - lfd f20,-96(r1) - lfd f21,-88(r1) - lfd f22,-80(r1) - lfd f23,-72(r1) - lfd f24,-64(r1) - lfd f25,-56(r1) - lfd f26,-48(r1) - lfd f27,-40(r1) - lfd f28,-32(r1) - lfd f29,-24(r1) - lfd f30,-16(r1) - lfd f31,-8(r1) - lwz r0,8(r1) - mtlr r0 - blr - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/ppc/saveFP.S b/lib/libcompiler_rt/ppc/saveFP.S deleted file mode 100644 index 20b06fff53d..00000000000 --- a/lib/libcompiler_rt/ppc/saveFP.S +++ /dev/null @@ -1,43 +0,0 @@ -//===-- saveFP.S - Implement saveFP ---------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// Helper function used by compiler to save ppc floating point registers in -// function prologs. This routines also saves r0 in the LR slot. -// If the compiler wants to save f27..f31, it does a "bl saveFP+52" -// -// This function should never be exported by a shared library. Each linkage -// unit carries its own copy of this function. -// -DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(saveFP) - stfd f14,-144(r1) - stfd f15,-136(r1) - stfd f16,-128(r1) - stfd f17,-120(r1) - stfd f18,-112(r1) - stfd f19,-104(r1) - stfd f20,-96(r1) - stfd f21,-88(r1) - stfd f22,-80(r1) - stfd f23,-72(r1) - stfd f24,-64(r1) - stfd f25,-56(r1) - stfd f26,-48(r1) - stfd f27,-40(r1) - stfd f28,-32(r1) - stfd f29,-24(r1) - stfd f30,-16(r1) - stfd f31,-8(r1) - stw r0,8(r1) - blr - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/riscv/mulsi3.S b/lib/libcompiler_rt/riscv/mulsi3.S deleted file mode 100644 index a58d237040b..00000000000 --- a/lib/libcompiler_rt/riscv/mulsi3.S +++ /dev/null @@ -1,28 +0,0 @@ -//===--- mulsi3.S - Integer multiplication routines routines ---===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#if !defined(__riscv_mul) && __riscv_xlen == 32 - .text - .align 2 - - .globl __mulsi3 - .type __mulsi3, @function -__mulsi3: - mv a2, a0 - mv a0, zero -.L1: - andi a3, a1, 1 - beqz a3, .L2 - add a0, a0, a2 -.L2: - srli a1, a1, 1 - slli a2, a2, 1 - bnez a1, .L1 - ret -#endif diff --git a/lib/libcompiler_rt/subdf3.c b/lib/libcompiler_rt/subdf3.c deleted file mode 100644 index a892fa603cf..00000000000 --- a/lib/libcompiler_rt/subdf3.c +++ /dev/null @@ -1,32 +0,0 @@ -//===-- lib/adddf3.c - Double-precision subtraction ---------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements double-precision soft-float subtraction with the -// IEEE-754 default rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#define DOUBLE_PRECISION -#include "fp_lib.h" - -// Subtraction; flip the sign bit of b and add. -COMPILER_RT_ABI fp_t -__subdf3(fp_t a, fp_t b) { - return __adddf3(a, fromRep(toRep(b) ^ signBit)); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_dsub(fp_t a, fp_t b) { - return __subdf3(a, b); -} -#else -AEABI_RTABI fp_t __aeabi_dsub(fp_t a, fp_t b) COMPILER_RT_ALIAS(__subdf3); -#endif -#endif diff --git a/lib/libcompiler_rt/subsf3.c b/lib/libcompiler_rt/subsf3.c deleted file mode 100644 index 4b2786177dc..00000000000 --- a/lib/libcompiler_rt/subsf3.c +++ /dev/null @@ -1,32 +0,0 @@ -//===-- lib/subsf3.c - Single-precision subtraction ---------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements single-precision soft-float subtraction with the -// IEEE-754 default rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "fp_lib.h" - -// Subtraction; flip the sign bit of b and add. -COMPILER_RT_ABI fp_t -__subsf3(fp_t a, fp_t b) { - return __addsf3(a, fromRep(toRep(b) ^ signBit)); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI fp_t __aeabi_fsub(fp_t a, fp_t b) { - return __subsf3(a, b); -} -#else -AEABI_RTABI fp_t __aeabi_fsub(fp_t a, fp_t b) COMPILER_RT_ALIAS(__subsf3); -#endif -#endif diff --git a/lib/libcompiler_rt/subtf3.c b/lib/libcompiler_rt/subtf3.c deleted file mode 100644 index 609b816f41e..00000000000 --- a/lib/libcompiler_rt/subtf3.c +++ /dev/null @@ -1,27 +0,0 @@ -//===-- lib/subtf3.c - Quad-precision subtraction -----------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements quad-precision soft-float subtraction with the -// IEEE-754 default rounding (to nearest, ties to even). -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -COMPILER_RT_ABI fp_t __addtf3(fp_t a, fp_t b); - -// Subtraction; flip the sign bit of b and add. -COMPILER_RT_ABI fp_t -__subtf3(fp_t a, fp_t b) { - return __addtf3(a, fromRep(toRep(b) ^ signBit)); -} - -#endif diff --git a/lib/libcompiler_rt/subvdi3.c b/lib/libcompiler_rt/subvdi3.c deleted file mode 100644 index 71fc70ffa92..00000000000 --- a/lib/libcompiler_rt/subvdi3.c +++ /dev/null @@ -1,36 +0,0 @@ -/* ===-- subvdi3.c - Implement __subvdi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __subvdi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a - b */ - -/* Effects: aborts if a - b overflows */ - -COMPILER_RT_ABI di_int -__subvdi3(di_int a, di_int b) -{ - di_int s = (du_int) a - (du_int) b; - if (b >= 0) - { - if (s > a) - compilerrt_abort(); - } - else - { - if (s <= a) - compilerrt_abort(); - } - return s; -} diff --git a/lib/libcompiler_rt/subvsi3.c b/lib/libcompiler_rt/subvsi3.c deleted file mode 100644 index e6c0fb688c9..00000000000 --- a/lib/libcompiler_rt/subvsi3.c +++ /dev/null @@ -1,36 +0,0 @@ -/* ===-- subvsi3.c - Implement __subvsi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __subvsi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a - b */ - -/* Effects: aborts if a - b overflows */ - -COMPILER_RT_ABI si_int -__subvsi3(si_int a, si_int b) -{ - si_int s = (su_int) a - (su_int) b; - if (b >= 0) - { - if (s > a) - compilerrt_abort(); - } - else - { - if (s <= a) - compilerrt_abort(); - } - return s; -} diff --git a/lib/libcompiler_rt/subvti3.c b/lib/libcompiler_rt/subvti3.c deleted file mode 100644 index a6804d2d7b9..00000000000 --- a/lib/libcompiler_rt/subvti3.c +++ /dev/null @@ -1,40 +0,0 @@ -/* ===-- subvti3.c - Implement __subvti3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __subvti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: a - b */ - -/* Effects: aborts if a - b overflows */ - -COMPILER_RT_ABI ti_int -__subvti3(ti_int a, ti_int b) -{ - ti_int s = (tu_int) a - (tu_int) b; - if (b >= 0) - { - if (s > a) - compilerrt_abort(); - } - else - { - if (s <= a) - compilerrt_abort(); - } - return s; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/trampoline_setup.c b/lib/libcompiler_rt/trampoline_setup.c deleted file mode 100644 index 25b627ab765..00000000000 --- a/lib/libcompiler_rt/trampoline_setup.c +++ /dev/null @@ -1,48 +0,0 @@ -/* ===----- trampoline_setup.c - Implement __trampoline_setup -------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -extern void __clear_cache(void* start, void* end); - -/* - * The ppc compiler generates calls to __trampoline_setup() when creating - * trampoline functions on the stack for use with nested functions. - * This function creates a custom 40-byte trampoline function on the stack - * which loads r11 with a pointer to the outer function's locals - * and then jumps to the target nested function. - */ - -#if __ppc__ && !defined(__powerpc64__) -COMPILER_RT_ABI void -__trampoline_setup(uint32_t* trampOnStack, int trampSizeAllocated, - const void* realFunc, void* localsPtr) -{ - /* should never happen, but if compiler did not allocate */ - /* enough space on stack for the trampoline, abort */ - if ( trampSizeAllocated < 40 ) - compilerrt_abort(); - - /* create trampoline */ - trampOnStack[0] = 0x7c0802a6; /* mflr r0 */ - trampOnStack[1] = 0x4800000d; /* bl Lbase */ - trampOnStack[2] = (uint32_t)realFunc; - trampOnStack[3] = (uint32_t)localsPtr; - trampOnStack[4] = 0x7d6802a6; /* Lbase: mflr r11 */ - trampOnStack[5] = 0x818b0000; /* lwz r12,0(r11) */ - trampOnStack[6] = 0x7c0803a6; /* mtlr r0 */ - trampOnStack[7] = 0x7d8903a6; /* mtctr r12 */ - trampOnStack[8] = 0x816b0004; /* lwz r11,4(r11) */ - trampOnStack[9] = 0x4e800420; /* bctr */ - - /* clear instruction cache */ - __clear_cache(trampOnStack, &trampOnStack[10]); -} -#endif /* __ppc__ && !defined(__powerpc64__) */ diff --git a/lib/libcompiler_rt/truncdfhf2.c b/lib/libcompiler_rt/truncdfhf2.c deleted file mode 100644 index 8354a41b8b6..00000000000 --- a/lib/libcompiler_rt/truncdfhf2.c +++ /dev/null @@ -1,26 +0,0 @@ -//===-- lib/truncdfhf2.c - double -> half conversion --------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#define SRC_DOUBLE -#define DST_HALF -#include "fp_trunc_impl.inc" - -COMPILER_RT_ABI uint16_t __truncdfhf2(double a) { - return __truncXfYf2__(a); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI uint16_t __aeabi_d2h(double a) { - return __truncdfhf2(a); -} -#else -AEABI_RTABI uint16_t __aeabi_d2h(double a) COMPILER_RT_ALIAS(__truncdfhf2); -#endif -#endif diff --git a/lib/libcompiler_rt/truncdfsf2.c b/lib/libcompiler_rt/truncdfsf2.c deleted file mode 100644 index 195d3e0656e..00000000000 --- a/lib/libcompiler_rt/truncdfsf2.c +++ /dev/null @@ -1,26 +0,0 @@ -//===-- lib/truncdfsf2.c - double -> single conversion ------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#define SRC_DOUBLE -#define DST_SINGLE -#include "fp_trunc_impl.inc" - -COMPILER_RT_ABI float __truncdfsf2(double a) { - return __truncXfYf2__(a); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI float __aeabi_d2f(double a) { - return __truncdfsf2(a); -} -#else -AEABI_RTABI float __aeabi_d2f(double a) COMPILER_RT_ALIAS(__truncdfsf2); -#endif -#endif diff --git a/lib/libcompiler_rt/truncsfhf2.c b/lib/libcompiler_rt/truncsfhf2.c deleted file mode 100644 index 9c84ab4f938..00000000000 --- a/lib/libcompiler_rt/truncsfhf2.c +++ /dev/null @@ -1,32 +0,0 @@ -//===-- lib/truncsfhf2.c - single -> half conversion --------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#define SRC_SINGLE -#define DST_HALF -#include "fp_trunc_impl.inc" - -// Use a forwarding definition and noinline to implement a poor man's alias, -// as there isn't a good cross-platform way of defining one. -COMPILER_RT_ABI NOINLINE uint16_t __truncsfhf2(float a) { - return __truncXfYf2__(a); -} - -COMPILER_RT_ABI uint16_t __gnu_f2h_ieee(float a) { - return __truncsfhf2(a); -} - -#if defined(__ARM_EABI__) -#if defined(COMPILER_RT_ARMHF_TARGET) -AEABI_RTABI uint16_t __aeabi_f2h(float a) { - return __truncsfhf2(a); -} -#else -AEABI_RTABI uint16_t __aeabi_f2h(float a) COMPILER_RT_ALIAS(__truncsfhf2); -#endif -#endif diff --git a/lib/libcompiler_rt/trunctfdf2.c b/lib/libcompiler_rt/trunctfdf2.c deleted file mode 100644 index 741a71b33c5..00000000000 --- a/lib/libcompiler_rt/trunctfdf2.c +++ /dev/null @@ -1,22 +0,0 @@ -//===-- lib/truncdfsf2.c - quad -> double conversion --------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -#define SRC_QUAD -#define DST_DOUBLE -#include "fp_trunc_impl.inc" - -COMPILER_RT_ABI double __trunctfdf2(long double a) { - return __truncXfYf2__(a); -} - -#endif diff --git a/lib/libcompiler_rt/trunctfsf2.c b/lib/libcompiler_rt/trunctfsf2.c deleted file mode 100644 index de96c1decf6..00000000000 --- a/lib/libcompiler_rt/trunctfsf2.c +++ /dev/null @@ -1,22 +0,0 @@ -//===-- lib/trunctfsf2.c - quad -> single conversion --------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#define QUAD_PRECISION -#include "fp_lib.h" - -#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) -#define SRC_QUAD -#define DST_SINGLE -#include "fp_trunc_impl.inc" - -COMPILER_RT_ABI float __trunctfsf2(long double a) { - return __truncXfYf2__(a); -} - -#endif diff --git a/lib/libcompiler_rt/ucmpdi2.c b/lib/libcompiler_rt/ucmpdi2.c deleted file mode 100644 index 40af23613b1..00000000000 --- a/lib/libcompiler_rt/ucmpdi2.c +++ /dev/null @@ -1,51 +0,0 @@ -/* ===-- ucmpdi2.c - Implement __ucmpdi2 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ucmpdi2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: if (a < b) returns 0 - * if (a == b) returns 1 - * if (a > b) returns 2 - */ - -COMPILER_RT_ABI si_int -__ucmpdi2(du_int a, du_int b) -{ - udwords x; - x.all = a; - udwords y; - y.all = b; - if (x.s.high < y.s.high) - return 0; - if (x.s.high > y.s.high) - return 2; - if (x.s.low < y.s.low) - return 0; - if (x.s.low > y.s.low) - return 2; - return 1; -} - -#ifdef __ARM_EABI__ -/* Returns: if (a < b) returns -1 -* if (a == b) returns 0 -* if (a > b) returns 1 -*/ -COMPILER_RT_ABI si_int -__aeabi_ulcmp(di_int a, di_int b) -{ - return __ucmpdi2(a, b) - 1; -} -#endif - diff --git a/lib/libcompiler_rt/ucmpti2.c b/lib/libcompiler_rt/ucmpti2.c deleted file mode 100644 index bda8083bb2a..00000000000 --- a/lib/libcompiler_rt/ucmpti2.c +++ /dev/null @@ -1,42 +0,0 @@ -/* ===-- ucmpti2.c - Implement __ucmpti2 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __ucmpti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: if (a < b) returns 0 - * if (a == b) returns 1 - * if (a > b) returns 2 - */ - -COMPILER_RT_ABI si_int -__ucmpti2(tu_int a, tu_int b) -{ - utwords x; - x.all = a; - utwords y; - y.all = b; - if (x.s.high < y.s.high) - return 0; - if (x.s.high > y.s.high) - return 2; - if (x.s.low < y.s.low) - return 0; - if (x.s.low > y.s.low) - return 2; - return 1; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/udivdi3.c b/lib/libcompiler_rt/udivdi3.c deleted file mode 100644 index dc68e154b10..00000000000 --- a/lib/libcompiler_rt/udivdi3.c +++ /dev/null @@ -1,23 +0,0 @@ -/* ===-- udivdi3.c - Implement __udivdi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __udivdi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a / b */ - -COMPILER_RT_ABI du_int -__udivdi3(du_int a, du_int b) -{ - return __udivmoddi4(a, b, 0); -} diff --git a/lib/libcompiler_rt/udivmoddi4.c b/lib/libcompiler_rt/udivmoddi4.c deleted file mode 100644 index 0c8b4ff4647..00000000000 --- a/lib/libcompiler_rt/udivmoddi4.c +++ /dev/null @@ -1,231 +0,0 @@ -/* ===-- udivmoddi4.c - Implement __udivmoddi4 -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __udivmoddi4 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Effects: if rem != 0, *rem = a % b - * Returns: a / b - */ - -/* Translated from Figure 3-40 of The PowerPC Compiler Writer's Guide */ - -COMPILER_RT_ABI du_int -__udivmoddi4(du_int a, du_int b, du_int* rem) -{ - const unsigned n_uword_bits = sizeof(su_int) * CHAR_BIT; - const unsigned n_udword_bits = sizeof(du_int) * CHAR_BIT; - udwords n; - n.all = a; - udwords d; - d.all = b; - udwords q; - udwords r; - unsigned sr; - /* special cases, X is unknown, K != 0 */ - if (n.s.high == 0) - { - if (d.s.high == 0) - { - /* 0 X - * --- - * 0 X - */ - if (rem) - *rem = n.s.low % d.s.low; - return n.s.low / d.s.low; - } - /* 0 X - * --- - * K X - */ - if (rem) - *rem = n.s.low; - return 0; - } - /* n.s.high != 0 */ - if (d.s.low == 0) - { - if (d.s.high == 0) - { - /* K X - * --- - * 0 0 - */ - if (rem) - *rem = n.s.high % d.s.low; - return n.s.high / d.s.low; - } - /* d.s.high != 0 */ - if (n.s.low == 0) - { - /* K 0 - * --- - * K 0 - */ - if (rem) - { - r.s.high = n.s.high % d.s.high; - r.s.low = 0; - *rem = r.all; - } - return n.s.high / d.s.high; - } - /* K K - * --- - * K 0 - */ - if ((d.s.high & (d.s.high - 1)) == 0) /* if d is a power of 2 */ - { - if (rem) - { - r.s.low = n.s.low; - r.s.high = n.s.high & (d.s.high - 1); - *rem = r.all; - } - return n.s.high >> __builtin_ctz(d.s.high); - } - /* K K - * --- - * K 0 - */ - sr = __builtin_clz(d.s.high) - __builtin_clz(n.s.high); - /* 0 <= sr <= n_uword_bits - 2 or sr large */ - if (sr > n_uword_bits - 2) - { - if (rem) - *rem = n.all; - return 0; - } - ++sr; - /* 1 <= sr <= n_uword_bits - 1 */ - /* q.all = n.all << (n_udword_bits - sr); */ - q.s.low = 0; - q.s.high = n.s.low << (n_uword_bits - sr); - /* r.all = n.all >> sr; */ - r.s.high = n.s.high >> sr; - r.s.low = (n.s.high << (n_uword_bits - sr)) | (n.s.low >> sr); - } - else /* d.s.low != 0 */ - { - if (d.s.high == 0) - { - /* K X - * --- - * 0 K - */ - if ((d.s.low & (d.s.low - 1)) == 0) /* if d is a power of 2 */ - { - if (rem) - *rem = n.s.low & (d.s.low - 1); - if (d.s.low == 1) - return n.all; - sr = __builtin_ctz(d.s.low); - q.s.high = n.s.high >> sr; - q.s.low = (n.s.high << (n_uword_bits - sr)) | (n.s.low >> sr); - return q.all; - } - /* K X - * --- - * 0 K - */ - sr = 1 + n_uword_bits + __builtin_clz(d.s.low) - __builtin_clz(n.s.high); - /* 2 <= sr <= n_udword_bits - 1 - * q.all = n.all << (n_udword_bits - sr); - * r.all = n.all >> sr; - */ - if (sr == n_uword_bits) - { - q.s.low = 0; - q.s.high = n.s.low; - r.s.high = 0; - r.s.low = n.s.high; - } - else if (sr < n_uword_bits) // 2 <= sr <= n_uword_bits - 1 - { - q.s.low = 0; - q.s.high = n.s.low << (n_uword_bits - sr); - r.s.high = n.s.high >> sr; - r.s.low = (n.s.high << (n_uword_bits - sr)) | (n.s.low >> sr); - } - else // n_uword_bits + 1 <= sr <= n_udword_bits - 1 - { - q.s.low = n.s.low << (n_udword_bits - sr); - q.s.high = (n.s.high << (n_udword_bits - sr)) | - (n.s.low >> (sr - n_uword_bits)); - r.s.high = 0; - r.s.low = n.s.high >> (sr - n_uword_bits); - } - } - else - { - /* K X - * --- - * K K - */ - sr = __builtin_clz(d.s.high) - __builtin_clz(n.s.high); - /* 0 <= sr <= n_uword_bits - 1 or sr large */ - if (sr > n_uword_bits - 1) - { - if (rem) - *rem = n.all; - return 0; - } - ++sr; - /* 1 <= sr <= n_uword_bits */ - /* q.all = n.all << (n_udword_bits - sr); */ - q.s.low = 0; - if (sr == n_uword_bits) - { - q.s.high = n.s.low; - r.s.high = 0; - r.s.low = n.s.high; - } - else - { - q.s.high = n.s.low << (n_uword_bits - sr); - r.s.high = n.s.high >> sr; - r.s.low = (n.s.high << (n_uword_bits - sr)) | (n.s.low >> sr); - } - } - } - /* Not a special case - * q and r are initialized with: - * q.all = n.all << (n_udword_bits - sr); - * r.all = n.all >> sr; - * 1 <= sr <= n_udword_bits - 1 - */ - su_int carry = 0; - for (; sr > 0; --sr) - { - /* r:q = ((r:q) << 1) | carry */ - r.s.high = (r.s.high << 1) | (r.s.low >> (n_uword_bits - 1)); - r.s.low = (r.s.low << 1) | (q.s.high >> (n_uword_bits - 1)); - q.s.high = (q.s.high << 1) | (q.s.low >> (n_uword_bits - 1)); - q.s.low = (q.s.low << 1) | carry; - /* carry = 0; - * if (r.all >= d.all) - * { - * r.all -= d.all; - * carry = 1; - * } - */ - const di_int s = (di_int)(d.all - r.all - 1) >> (n_udword_bits - 1); - carry = s & 1; - r.all -= d.all & s; - } - q.all = (q.all << 1) | carry; - if (rem) - *rem = r.all; - return q.all; -} diff --git a/lib/libcompiler_rt/udivmodsi4.c b/lib/libcompiler_rt/udivmodsi4.c deleted file mode 100644 index 789c4b5061e..00000000000 --- a/lib/libcompiler_rt/udivmodsi4.c +++ /dev/null @@ -1,27 +0,0 @@ -/*===-- udivmodsi4.c - Implement __udivmodsi4 ------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __udivmodsi4 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a / b, *rem = a % b */ - -COMPILER_RT_ABI su_int -__udivmodsi4(su_int a, su_int b, su_int* rem) -{ - si_int d = __udivsi3(a,b); - *rem = a - (d*b); - return d; -} - - diff --git a/lib/libcompiler_rt/udivmodti4.c b/lib/libcompiler_rt/udivmodti4.c deleted file mode 100644 index 803168849c6..00000000000 --- a/lib/libcompiler_rt/udivmodti4.c +++ /dev/null @@ -1,238 +0,0 @@ -/* ===-- udivmodti4.c - Implement __udivmodti4 -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __udivmodti4 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Effects: if rem != 0, *rem = a % b - * Returns: a / b - */ - -/* Translated from Figure 3-40 of The PowerPC Compiler Writer's Guide */ - -COMPILER_RT_ABI tu_int -__udivmodti4(tu_int a, tu_int b, tu_int* rem) -{ - const unsigned n_udword_bits = sizeof(du_int) * CHAR_BIT; - const unsigned n_utword_bits = sizeof(tu_int) * CHAR_BIT; - utwords n; - n.all = a; - utwords d; - d.all = b; - utwords q; - utwords r; - unsigned sr; - /* special cases, X is unknown, K != 0 */ - if (n.s.high == 0) - { - if (d.s.high == 0) - { - /* 0 X - * --- - * 0 X - */ - if (rem) - *rem = n.s.low % d.s.low; - return n.s.low / d.s.low; - } - /* 0 X - * --- - * K X - */ - if (rem) - *rem = n.s.low; - return 0; - } - /* n.s.high != 0 */ - if (d.s.low == 0) - { - if (d.s.high == 0) - { - /* K X - * --- - * 0 0 - */ - if (rem) - *rem = n.s.high % d.s.low; - return n.s.high / d.s.low; - } - /* d.s.high != 0 */ - if (n.s.low == 0) - { - /* K 0 - * --- - * K 0 - */ - if (rem) - { - r.s.high = n.s.high % d.s.high; - r.s.low = 0; - *rem = r.all; - } - return n.s.high / d.s.high; - } - /* K K - * --- - * K 0 - */ - if ((d.s.high & (d.s.high - 1)) == 0) /* if d is a power of 2 */ - { - if (rem) - { - r.s.low = n.s.low; - r.s.high = n.s.high & (d.s.high - 1); - *rem = r.all; - } - return n.s.high >> __builtin_ctzll(d.s.high); - } - /* K K - * --- - * K 0 - */ - sr = __builtin_clzll(d.s.high) - __builtin_clzll(n.s.high); - /* 0 <= sr <= n_udword_bits - 2 or sr large */ - if (sr > n_udword_bits - 2) - { - if (rem) - *rem = n.all; - return 0; - } - ++sr; - /* 1 <= sr <= n_udword_bits - 1 */ - /* q.all = n.all << (n_utword_bits - sr); */ - q.s.low = 0; - q.s.high = n.s.low << (n_udword_bits - sr); - /* r.all = n.all >> sr; */ - r.s.high = n.s.high >> sr; - r.s.low = (n.s.high << (n_udword_bits - sr)) | (n.s.low >> sr); - } - else /* d.s.low != 0 */ - { - if (d.s.high == 0) - { - /* K X - * --- - * 0 K - */ - if ((d.s.low & (d.s.low - 1)) == 0) /* if d is a power of 2 */ - { - if (rem) - *rem = n.s.low & (d.s.low - 1); - if (d.s.low == 1) - return n.all; - sr = __builtin_ctzll(d.s.low); - q.s.high = n.s.high >> sr; - q.s.low = (n.s.high << (n_udword_bits - sr)) | (n.s.low >> sr); - return q.all; - } - /* K X - * --- - * 0 K - */ - sr = 1 + n_udword_bits + __builtin_clzll(d.s.low) - - __builtin_clzll(n.s.high); - /* 2 <= sr <= n_utword_bits - 1 - * q.all = n.all << (n_utword_bits - sr); - * r.all = n.all >> sr; - */ - if (sr == n_udword_bits) - { - q.s.low = 0; - q.s.high = n.s.low; - r.s.high = 0; - r.s.low = n.s.high; - } - else if (sr < n_udword_bits) // 2 <= sr <= n_udword_bits - 1 - { - q.s.low = 0; - q.s.high = n.s.low << (n_udword_bits - sr); - r.s.high = n.s.high >> sr; - r.s.low = (n.s.high << (n_udword_bits - sr)) | (n.s.low >> sr); - } - else // n_udword_bits + 1 <= sr <= n_utword_bits - 1 - { - q.s.low = n.s.low << (n_utword_bits - sr); - q.s.high = (n.s.high << (n_utword_bits - sr)) | - (n.s.low >> (sr - n_udword_bits)); - r.s.high = 0; - r.s.low = n.s.high >> (sr - n_udword_bits); - } - } - else - { - /* K X - * --- - * K K - */ - sr = __builtin_clzll(d.s.high) - __builtin_clzll(n.s.high); - /*0 <= sr <= n_udword_bits - 1 or sr large */ - if (sr > n_udword_bits - 1) - { - if (rem) - *rem = n.all; - return 0; - } - ++sr; - /* 1 <= sr <= n_udword_bits - * q.all = n.all << (n_utword_bits - sr); - * r.all = n.all >> sr; - */ - q.s.low = 0; - if (sr == n_udword_bits) - { - q.s.high = n.s.low; - r.s.high = 0; - r.s.low = n.s.high; - } - else - { - r.s.high = n.s.high >> sr; - r.s.low = (n.s.high << (n_udword_bits - sr)) | (n.s.low >> sr); - q.s.high = n.s.low << (n_udword_bits - sr); - } - } - } - /* Not a special case - * q and r are initialized with: - * q.all = n.all << (n_utword_bits - sr); - * r.all = n.all >> sr; - * 1 <= sr <= n_utword_bits - 1 - */ - su_int carry = 0; - for (; sr > 0; --sr) - { - /* r:q = ((r:q) << 1) | carry */ - r.s.high = (r.s.high << 1) | (r.s.low >> (n_udword_bits - 1)); - r.s.low = (r.s.low << 1) | (q.s.high >> (n_udword_bits - 1)); - q.s.high = (q.s.high << 1) | (q.s.low >> (n_udword_bits - 1)); - q.s.low = (q.s.low << 1) | carry; - /* carry = 0; - * if (r.all >= d.all) - * { - * r.all -= d.all; - * carry = 1; - * } - */ - const ti_int s = (ti_int)(d.all - r.all - 1) >> (n_utword_bits - 1); - carry = s & 1; - r.all -= d.all & s; - } - q.all = (q.all << 1) | carry; - if (rem) - *rem = r.all; - return q.all; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/udivsi3.c b/lib/libcompiler_rt/udivsi3.c deleted file mode 100644 index bb720f8c382..00000000000 --- a/lib/libcompiler_rt/udivsi3.c +++ /dev/null @@ -1,68 +0,0 @@ -/* ===-- udivsi3.c - Implement __udivsi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __udivsi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a / b */ - -/* Translated from Figure 3-40 of The PowerPC Compiler Writer's Guide */ - -/* This function should not call __divsi3! */ -COMPILER_RT_ABI su_int -__udivsi3(su_int n, su_int d) -{ - const unsigned n_uword_bits = sizeof(su_int) * CHAR_BIT; - su_int q; - su_int r; - unsigned sr; - /* special cases */ - if (d == 0) - return 0; /* ?! */ - if (n == 0) - return 0; - sr = __builtin_clz(d) - __builtin_clz(n); - /* 0 <= sr <= n_uword_bits - 1 or sr large */ - if (sr > n_uword_bits - 1) /* d > r */ - return 0; - if (sr == n_uword_bits - 1) /* d == 1 */ - return n; - ++sr; - /* 1 <= sr <= n_uword_bits - 1 */ - /* Not a special case */ - q = n << (n_uword_bits - sr); - r = n >> sr; - su_int carry = 0; - for (; sr > 0; --sr) - { - /* r:q = ((r:q) << 1) | carry */ - r = (r << 1) | (q >> (n_uword_bits - 1)); - q = (q << 1) | carry; - /* carry = 0; - * if (r.all >= d.all) - * { - * r.all -= d.all; - * carry = 1; - * } - */ - const si_int s = (si_int)(d - r - 1) >> (n_uword_bits - 1); - carry = s & 1; - r -= d & s; - } - q = (q << 1) | carry; - return q; -} - -#if defined(__ARM_EABI__) -AEABI_RTABI su_int __aeabi_uidiv(su_int n, su_int d) COMPILER_RT_ALIAS(__udivsi3); -#endif diff --git a/lib/libcompiler_rt/udivti3.c b/lib/libcompiler_rt/udivti3.c deleted file mode 100644 index ec94673e25b..00000000000 --- a/lib/libcompiler_rt/udivti3.c +++ /dev/null @@ -1,27 +0,0 @@ -/* ===-- udivti3.c - Implement __udivti3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __udivti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: a / b */ - -COMPILER_RT_ABI tu_int -__udivti3(tu_int a, tu_int b) -{ - return __udivmodti4(a, b, 0); -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/umoddi3.c b/lib/libcompiler_rt/umoddi3.c deleted file mode 100644 index d513f080a1e..00000000000 --- a/lib/libcompiler_rt/umoddi3.c +++ /dev/null @@ -1,25 +0,0 @@ -/* ===-- umoddi3.c - Implement __umoddi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __umoddi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a % b */ - -COMPILER_RT_ABI du_int -__umoddi3(du_int a, du_int b) -{ - du_int r; - __udivmoddi4(a, b, &r); - return r; -} diff --git a/lib/libcompiler_rt/umodsi3.c b/lib/libcompiler_rt/umodsi3.c deleted file mode 100644 index d5fda4a6af1..00000000000 --- a/lib/libcompiler_rt/umodsi3.c +++ /dev/null @@ -1,23 +0,0 @@ -/* ===-- umodsi3.c - Implement __umodsi3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __umodsi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: a % b */ - -COMPILER_RT_ABI su_int -__umodsi3(su_int a, su_int b) -{ - return a - __udivsi3(a, b) * b; -} diff --git a/lib/libcompiler_rt/umodti3.c b/lib/libcompiler_rt/umodti3.c deleted file mode 100644 index 6d1ca7a8cf6..00000000000 --- a/lib/libcompiler_rt/umodti3.c +++ /dev/null @@ -1,29 +0,0 @@ -/* ===-- umodti3.c - Implement __umodti3 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __umodti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: a % b */ - -COMPILER_RT_ABI tu_int -__umodti3(tu_int a, tu_int b) -{ - tu_int r; - __udivmodti4(a, b, &r); - return r; -} - -#endif /* CRT_HAS_128BIT */ diff --git a/lib/libcompiler_rt/unwind-ehabi-helpers.h b/lib/libcompiler_rt/unwind-ehabi-helpers.h deleted file mode 100644 index ccb0765975a..00000000000 --- a/lib/libcompiler_rt/unwind-ehabi-helpers.h +++ /dev/null @@ -1,55 +0,0 @@ -/* ===-- arm-ehabi-helpers.h - Supplementary ARM EHABI declarations --------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===--------------------------------------------------------------------=== */ - -#ifndef UNWIND_EHABI_HELPERS_H -#define UNWIND_EHABI_HELPERS_H - -#include <stdint.h> -/* NOTE: see reasoning for this inclusion below */ -#include <unwind.h> - -#if !defined(__ARM_EABI_UNWINDER__) - -/* - * NOTE: _URC_OK, _URC_FAILURE must be present as preprocessor tokens. This - * allows for a substitution of a constant which can be cast into the - * appropriate enumerated type. This header is expected to always be included - * AFTER unwind.h (which is why it is forcefully included above). This ensures - * that we do not overwrite the token for the enumeration. Subsequent uses of - * the token would be clean to rewrite with constant values. - * - * The typedef redeclaration should be safe. Due to the protection granted to - * us by the `__ARM_EABI_UNWINDER__` above, we are guaranteed that we are in a - * header not vended by gcc. The HP unwinder (being an itanium unwinder) does - * not support EHABI, and the GNU unwinder, derived from the HP unwinder, also - * does not support EHABI as of the introduction of this header. As such, we - * are fairly certain that we are in the LLVM case. Here, _Unwind_State is a - * typedef, and so we can get away with a redeclaration. - * - * Guarded redefinitions of the needed unwind state prevent the redefinition of - * those states. - */ - -#define _URC_OK 0 -#define _URC_FAILURE 9 - -typedef uint32_t _Unwind_State; - -#if !defined(_US_UNWIND_FRAME_STARTING) -#define _US_UNWIND_FRAME_STARTING ((_Unwind_State)1) -#endif - -#if !defined(_US_ACTION_MASK) -#define _US_ACTION_MASK ((_Unwind_State)3) -#endif - -#endif - -#endif - diff --git a/lib/libcompiler_rt/x86_64/chkstk.S b/lib/libcompiler_rt/x86_64/chkstk.S deleted file mode 100644 index 4149ac63d9d..00000000000 --- a/lib/libcompiler_rt/x86_64/chkstk.S +++ /dev/null @@ -1,39 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// _chkstk routine -// This routine is windows specific -// http://msdn.microsoft.com/en-us/library/ms648426.aspx - -// Notes from r227519 -// MSVC x64s __chkstk and cygmings ___chkstk_ms do not adjust %rsp -// themselves. It also does not clobber %rax so we can reuse it when -// adjusting %rsp. - -#ifdef __x86_64__ - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(___chkstk_ms) - push %rcx - push %rax - cmp $0x1000,%rax - lea 24(%rsp),%rcx - jb 1f -2: - sub $0x1000,%rcx - test %rcx,(%rcx) - sub $0x1000,%rax - cmp $0x1000,%rax - ja 2b -1: - sub %rax,%rcx - test %rcx,(%rcx) - pop %rax - pop %rcx - ret -END_COMPILERRT_FUNCTION(___chkstk_ms) - -#endif // __x86_64__ diff --git a/lib/libcompiler_rt/x86_64/chkstk2.S b/lib/libcompiler_rt/x86_64/chkstk2.S deleted file mode 100644 index ac1eb920e0e..00000000000 --- a/lib/libcompiler_rt/x86_64/chkstk2.S +++ /dev/null @@ -1,42 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -#ifdef __x86_64__ - -// _chkstk (_alloca) routine - probe stack between %rsp and (%rsp-%rax) in 4k increments, -// then decrement %rsp by %rax. Preserves all registers except %rsp and flags. -// This routine is windows specific -// http://msdn.microsoft.com/en-us/library/ms648426.aspx - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__alloca) - mov %rcx,%rax // x64 _alloca is a normal function with parameter in rcx - // fallthrough -DEFINE_COMPILERRT_FUNCTION(___chkstk) - push %rcx - cmp $0x1000,%rax - lea 16(%rsp),%rcx // rsp before calling this routine -> rcx - jb 1f -2: - sub $0x1000,%rcx - test %rcx,(%rcx) - sub $0x1000,%rax - cmp $0x1000,%rax - ja 2b -1: - sub %rax,%rcx - test %rcx,(%rcx) - - lea 8(%rsp),%rax // load pointer to the return address into rax - mov %rcx,%rsp // install the new top of stack pointer into rsp - mov -8(%rax),%rcx // restore rcx - push (%rax) // push return address onto the stack - sub %rsp,%rax // restore the original value in rax - ret -END_COMPILERRT_FUNCTION(___chkstk) -END_COMPILERRT_FUNCTION(__alloca) - -#endif // __x86_64__ diff --git a/lib/libcompiler_rt/x86_64/floatdidf.c b/lib/libcompiler_rt/x86_64/floatdidf.c deleted file mode 100644 index dead0ed42c6..00000000000 --- a/lib/libcompiler_rt/x86_64/floatdidf.c +++ /dev/null @@ -1,16 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* double __floatdidf(di_int a); */ - -#if defined(__x86_64__) || defined(_M_X64) - -#include "../int_lib.h" - -double __floatdidf(int64_t a) -{ - return (double)a; -} - -#endif /* __x86_64__ */ diff --git a/lib/libcompiler_rt/x86_64/floatdisf.c b/lib/libcompiler_rt/x86_64/floatdisf.c deleted file mode 100644 index 99d5621c632..00000000000 --- a/lib/libcompiler_rt/x86_64/floatdisf.c +++ /dev/null @@ -1,14 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -#if defined(__x86_64__) || defined(_M_X64) - -#include "../int_lib.h" - -float __floatdisf(int64_t a) -{ - return (float)a; -} - -#endif /* __x86_64__ */ diff --git a/lib/libcompiler_rt/x86_64/floatdixf.c b/lib/libcompiler_rt/x86_64/floatdixf.c deleted file mode 100644 index c01193a82b5..00000000000 --- a/lib/libcompiler_rt/x86_64/floatdixf.c +++ /dev/null @@ -1,16 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* long double __floatdixf(di_int a); */ - -#ifdef __x86_64__ - -#include "../int_lib.h" - -long double __floatdixf(int64_t a) -{ - return (long double)a; -} - -#endif /* __i386__ */ diff --git a/lib/libcompiler_rt/x86_64/floatundidf.S b/lib/libcompiler_rt/x86_64/floatundidf.S deleted file mode 100644 index 094a68dc3cd..00000000000 --- a/lib/libcompiler_rt/x86_64/floatundidf.S +++ /dev/null @@ -1,52 +0,0 @@ -//===-- floatundidf.S - Implement __floatundidf for x86_64 ----------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements __floatundidf for the compiler_rt library. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// double __floatundidf(du_int a); - -#ifdef __x86_64__ - -CONST_SECTION - - .balign 16 -twop52: - .quad 0x4330000000000000 - - .balign 16 -twop84_plus_twop52: - .quad 0x4530000000100000 - - .balign 16 -twop84: - .quad 0x4530000000000000 - -#define REL_ADDR(_a) (_a)(%rip) - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatundidf) - movd %edi, %xmm0 // low 32 bits of a - shrq $32, %rdi // high 32 bits of a - orq REL_ADDR(twop84), %rdi // 0x1p84 + a_hi (no rounding occurs) - orpd REL_ADDR(twop52), %xmm0 // 0x1p52 + a_lo (no rounding occurs) - movd %rdi, %xmm1 - subsd REL_ADDR(twop84_plus_twop52), %xmm1 // a_hi - 0x1p52 (no rounding occurs) - addsd %xmm1, %xmm0 // a_hi + a_lo (round happens here) - ret -END_COMPILERRT_FUNCTION(__floatundidf) - -#endif // __x86_64__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/x86_64/floatundisf.S b/lib/libcompiler_rt/x86_64/floatundisf.S deleted file mode 100644 index 7c9f75e188e..00000000000 --- a/lib/libcompiler_rt/x86_64/floatundisf.S +++ /dev/null @@ -1,38 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// float __floatundisf(du_int a); - -#ifdef __x86_64__ - -CONST_SECTION - - .balign 16 -two: - .single 2.0 - -#define REL_ADDR(_a) (_a)(%rip) - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatundisf) - movq $1, %rsi - testq %rdi, %rdi - js 1f - cvtsi2ssq %rdi, %xmm0 - ret - -1: andq %rdi, %rsi - shrq %rdi - orq %rsi, %rdi - cvtsi2ssq %rdi, %xmm0 - mulss REL_ADDR(two), %xmm0 - ret -END_COMPILERRT_FUNCTION(__floatundisf) - -#endif // __x86_64__ - -NO_EXEC_STACK_DIRECTIVE - diff --git a/lib/libcompiler_rt/x86_64/floatundixf.S b/lib/libcompiler_rt/x86_64/floatundixf.S deleted file mode 100644 index 28a096b7137..00000000000 --- a/lib/libcompiler_rt/x86_64/floatundixf.S +++ /dev/null @@ -1,71 +0,0 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// long double __floatundixf(du_int a); - -#ifdef __x86_64__ - -CONST_SECTION - - .balign 16 -twop64: - .quad 0x43f0000000000000 - -#define REL_ADDR(_a) (_a)(%rip) - - .text - - .balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatundixf) - movq %rdi, -8(%rsp) - fildq -8(%rsp) - test %rdi, %rdi - js 1f - ret -1: faddl REL_ADDR(twop64) - ret -END_COMPILERRT_FUNCTION(__floatundixf) - -#endif // __x86_64__ - - -/* Branch-free implementation is ever so slightly slower, but more beautiful. - It is likely superior for inlining, so I kept it around for future reference. - -#ifdef __x86_64__ - -CONST_SECTION - - .balign 4 -twop52: - .quad 0x4330000000000000 -twop84_plus_twop52_neg: - .quad 0xc530000000100000 -twop84: - .quad 0x4530000000000000 - -#define REL_ADDR(_a) (_a)(%rip) - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatundixf) - movl %edi, %esi // low 32 bits of input - shrq $32, %rdi // hi 32 bits of input - orq REL_ADDR(twop84), %rdi // 2^84 + hi (as a double) - orq REL_ADDR(twop52), %rsi // 2^52 + lo (as a double) - movq %rdi, -8(%rsp) - movq %rsi, -16(%rsp) - fldl REL_ADDR(twop84_plus_twop52_neg) - faddl -8(%rsp) // hi - 2^52 (as double extended, no rounding occurs) - faddl -16(%rsp) // hi + lo (as double extended) - ret -END_COMPILERRT_FUNCTION(__floatundixf) - -#endif // __x86_64__ - -*/ - -NO_EXEC_STACK_DIRECTIVE - |