From 91264fe3577fe887b4860923fa6142b5274c8965 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Fri, 5 Mar 2021 07:20:28 -0800 Subject: 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. --- sysdeps/x86_64/multiarch/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'sysdeps/x86_64/multiarch/Makefile') 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) -- cgit 1.4.1