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| author | H.J. Lu <hjl.tools@gmail.com> | 2021-03-05 07:20:28 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-03-29 07:40:17 -0700 |
| commit | 91264fe3577fe887b4860923fa6142b5274c8965 (patch) | |
| tree | 172c0193a4e0a6b0e695fd8e0df51f0d746dd817 /sysdeps/x86_64/multiarch/Makefile | |
| parent | 1b968b6b9b3aac702ac2f133e0dd16cfdbb415ee (diff) | |
| download | glibc-91264fe3577fe887b4860923fa6142b5274c8965.tar.gz glibc-91264fe3577fe887b4860923fa6142b5274c8965.tar.xz glibc-91264fe3577fe887b4860923fa6142b5274c8965.zip | |
x86-64: Add memcmp family functions with 256-bit EVEX
Update ifunc-memcmp.h to select the function optimized with 256-bit EVEX instructions using YMM16-YMM31 registers to avoid RTM abort with usable AVX512VL, AVX512BW and MOVBE since VZEROUPPER isn't needed at function exit.
Diffstat (limited to 'sysdeps/x86_64/multiarch/Makefile')
| -rw-r--r-- | sysdeps/x86_64/multiarch/Makefile | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/x86_64/multiarch/Makefile b/sysdeps/x86_64/multiarch/Makefile index 1cc0a10e12..9d79b138e9 100644 --- a/sysdeps/x86_64/multiarch/Makefile +++ b/sysdeps/x86_64/multiarch/Makefile @@ -41,6 +41,7 @@ sysdep_routines += strncat-c stpncpy-c strncpy-c \ memset-avx2-unaligned-erms \ memset-avx512-unaligned-erms \ memchr-evex \ + memcmp-evex-movbe \ memmove-evex-unaligned-erms \ memrchr-evex \ memset-evex-unaligned-erms \ @@ -81,7 +82,8 @@ sysdep_routines += wmemcmp-sse4 wmemcmp-ssse3 wmemcmp-c \ wcsncmp-evex \ wcsnlen-evex \ wcsrchr-evex \ - wmemchr-evex + wmemchr-evex \ + wmemcmp-evex-movbe endif ifeq ($(subdir),debug) |