diff options
Diffstat (limited to 'lib/libcompiler_rt/ashrdi3.c')
-rw-r--r-- | lib/libcompiler_rt/ashrdi3.c | 46 |
1 files changed, 0 insertions, 46 deletions
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 |