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Benchtests: Add benchtests for __memcmpeq

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No bug. This commit adds __memcmpeq benchmarks. The benchmarks just
use the existing ones in memcmp. This will be useful for testing
implementations of __memcmpeq that do not just alias memcmp.
This commit is contained in:
Noah Goldstein 2021-10-23 01:36:30 -04:00
parent 3592ccd472
commit cf3acd774f
3 changed files with 29 additions and 7 deletions
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2
benchtests/Makefile
View File

@ -103,7 +103,7 @@ bench := $(foreach B,$(filter bench-%,${BENCHSET}), ${${B}})
endif
# String function benchmarks.
string-benchset := memccpy memchr memcmp memcpy memmem memmove \
string-benchset := memccpy memchr memcmp memcmpeq memcpy memmem memmove \
mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
strcat strchr strchrnul strcmp strcpy strcspn strlen \
strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \

14
benchtests/bench-memcmp.c
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@ -17,17 +17,21 @@
<https://www.gnu.org/licenses/>. */
#define TEST_MAIN
#ifdef WIDE
#ifdef TEST_MEMCMPEQ
# define TEST_NAME "__memcmpeq"
# define SIMPLE_MEMCMP simple_memcmpeq
#elif defined WIDE
# define TEST_NAME "wmemcmp"
# define SIMPLE_MEMCMP simple_wmemcmp
#else
# define TEST_NAME "memcmp"
# define SIMPLE_MEMCMP simple_memcmp
#endif
#include "bench-string.h"
#ifdef WIDE
# define SIMPLE_MEMCMP simple_wmemcmp
int
simple_wmemcmp (const wchar_t *s1, const wchar_t *s2, size_t n)
SIMPLE_MEMCMP (const wchar_t *s1, const wchar_t *s2, size_t n)
{
int ret = 0;
/* Warning!
@ -40,10 +44,8 @@ simple_wmemcmp (const wchar_t *s1, const wchar_t *s2, size_t n)
#else
# include <limits.h>
# define SIMPLE_MEMCMP simple_memcmp
int
simple_memcmp (const char *s1, const char *s2, size_t n)
SIMPLE_MEMCMP (const char *s1, const char *s2, size_t n)
{
int ret = 0;

20
benchtests/bench-memcmpeq.c Normal file
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@ -0,0 +1,20 @@
/* Measure __memcmpeq functions.
Copyright (C) 2015-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#define TEST_MEMCMPEQ 1
#include "bench-memcmp.c"