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| author | Anton Samokhvalov <pg83@yandex.ru> | 2022-02-10 16:45:15 +0300 |
|---|---|---|
| committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:15 +0300 |
| commit | 72cb13b4aff9bc9cf22e49251bc8fd143f82538f (patch) | |
| tree | da2c34829458c7d4e74bdfbdf85dff449e9e7fb8 /contrib/libs/cxxsupp/builtins/arm/bswapsi2.S | |
| parent | 778e51ba091dc39e7b7fcab2b9cf4dbedfb6f2b5 (diff) | |
| download | ydb-72cb13b4aff9bc9cf22e49251bc8fd143f82538f.tar.gz | |
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/arm/bswapsi2.S')
| -rw-r--r-- | contrib/libs/cxxsupp/builtins/arm/bswapsi2.S | 78 |
1 files changed, 39 insertions, 39 deletions
diff --git a/contrib/libs/cxxsupp/builtins/arm/bswapsi2.S b/contrib/libs/cxxsupp/builtins/arm/bswapsi2.S index 59ba8158fd..cbb9216935 100644 --- a/contrib/libs/cxxsupp/builtins/arm/bswapsi2.S +++ b/contrib/libs/cxxsupp/builtins/arm/bswapsi2.S @@ -1,39 +1,39 @@ -//===------- 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 -#if __ARM_ARCH_ISA_THUMB == 2 - .thumb -#endif - -// -// extern uint32_t __bswapsi2(uint32_t); -// -// Reverse all the bytes in a 32-bit integer. -// - .p2align 2 -#if __ARM_ARCH_ISA_THUMB == 2 -DEFINE_COMPILERRT_THUMB_FUNCTION(__bswapsi2) -#else -DEFINE_COMPILERRT_FUNCTION(__bswapsi2) -#endif -#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) +//===------- 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 +#if __ARM_ARCH_ISA_THUMB == 2 + .thumb +#endif + +// +// extern uint32_t __bswapsi2(uint32_t); +// +// Reverse all the bytes in a 32-bit integer. +// + .p2align 2 +#if __ARM_ARCH_ISA_THUMB == 2 +DEFINE_COMPILERRT_THUMB_FUNCTION(__bswapsi2) +#else +DEFINE_COMPILERRT_FUNCTION(__bswapsi2) +#endif +#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) |