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author | 2020-08-10 21:03:40 +0000 | |
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committer | 2020-08-10 21:03:40 +0000 | |
commit | 3cab2bb3f667058bece8e38b12449a63a9d73c4b (patch) | |
tree | 732ebd68e507f798225d97f4f2dd7ff8468d3e17 /gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c | |
parent | Reduce log spam. (diff) | |
download | wireguard-openbsd-3cab2bb3f667058bece8e38b12449a63a9d73c4b.tar.xz wireguard-openbsd-3cab2bb3f667058bece8e38b12449a63a9d73c4b.zip |
Import compiler-rt 10.0.1 release.
ok kettenis@
Diffstat (limited to 'gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c')
-rw-r--r-- | gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c b/gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c new file mode 100644 index 00000000000..0f2edde8358 --- /dev/null +++ b/gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c @@ -0,0 +1,42 @@ +//===-- ucmpdi2.c - Implement __ucmpdi2 -----------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// 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 |