glibc/sysdeps/x86_64/multiarch/memchr-evex512.S

# ifndef MEMCHR
#  define MEMCHR       __memchr_evex512
# endif

#include "x86-evex512-vecs.h"
#include "reg-macros.h"

#include "memchr-evex-base.S"
x86_64: Implement evex512 version of memchr, rawmemchr and wmemchr This patch implements following evex512 version of string functions. evex512 version takes up to 30% less cycle as compared to evex, depending on length and alignment. - memchr function using 512 bit vectors. - rawmemchr function using 512 bit vectors. - wmemchr function using 512 bit vectors. Code size data: memchr-evex.o 762 byte memchr-evex512.o 576 byte (-24%) rawmemchr-evex.o 461 byte rawmemchr-evex512.o 412 byte (-11%) wmemchr-evex.o 794 byte wmemchr-evex512.o 552 byte (-30%) Placeholder function, not used by any processor at the moment. Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com> 2022-08-18 13:48:07 +00:00			`# ifndef MEMCHR`
			`# define MEMCHR __memchr_evex512`
			`# endif`

			`#include "x86-evex512-vecs.h"`
			`#include "reg-macros.h"`

			`#include "memchr-evex-base.S"`