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S390: Optimize strcspn and wcscspn.

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This patch provides optimized versions of strcspn and wcscspn with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strcspn-c.c: New File.
	* sysdeps/s390/multiarch/strcspn-vx.S: Likewise.
	* sysdeps/s390/multiarch/strcspn.c: Likewise.
	* sysdeps/s390/multiarch/wcscspn-c.c: Likewise.
	* sysdeps/s390/multiarch/wcscspn-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcscspn.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strcspn and
	wcscspn functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strcspn, wcscspn.
	* wcsmbs/wcscspn.c: Use WCSCSPN if defined.
	* string/test-strcspn.c: Add wcscspn support.
	* wcsmbs/test-wcscspn.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wcscspn.
	* benchtests/bench-strcspn.c: Add wcscspn support.
	* benchtests/bench-wcscspn.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcscspn.
This commit is contained in:
Stefan Liebler
2015-08-26 10:26:24 +02:00
committed by Andreas Krebbel
parent f0ba659847
commit b4c21601b1
16 changed files with 822 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
string/test-strcspn.c
View File

@ -1,4 +1,4 @@
/* Test and measure strcspn functions.
/* Test strcspn functions.
Copyright (C) 1999-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
@ -20,22 +20,41 @@
#define STRPBRK_RESULT(s, pos) (pos)
#define RES_TYPE size_t
#define TEST_MAIN
#define TEST_NAME "strcspn"
#ifndef WIDE
# define TEST_NAME "strcspn"
#else
# define TEST_NAME "wcscspn"
#endif /* WIDE */
#include "test-string.h"
typedef size_t (*proto_t) (const char *, const char *);
size_t simple_strcspn (const char *, const char *);
size_t stupid_strcspn (const char *, const char *);
#ifndef WIDE
# define STRCSPN strcspn
# define CHAR char
# define SIMPLE_STRCSPN simple_strcspn
# define STUPID_STRCSPN stupid_strcspn
# define STRLEN strlen
#else
# include <wchar.h>
# define STRCSPN wcscspn
# define CHAR wchar_t
# define SIMPLE_STRCSPN simple_wcscspn
# define STUPID_STRCSPN stupid_wcscspn
# define STRLEN wcslen
#endif /* WIDE */
IMPL (stupid_strcspn, 0)
IMPL (simple_strcspn, 0)
IMPL (strcspn, 1)
typedef size_t (*proto_t) (const CHAR *, const CHAR *);
size_t SIMPLE_STRCSPN (const CHAR *, const CHAR *);
size_t STUPID_STRCSPN (const CHAR *, const CHAR *);
IMPL (STUPID_STRCSPN, 0)
IMPL (SIMPLE_STRCSPN, 0)
IMPL (STRCSPN, 1)
size_t
simple_strcspn (const char *s, const char *rej)
SIMPLE_STRCSPN (const CHAR *s, const CHAR *rej)
{
const char *r, *str = s;
char c;
const CHAR *r, *str = s;
CHAR c;
while ((c = *s++) != '\0')
for (r = rej; *r != '\0'; ++r)
@ -45,9 +64,9 @@ simple_strcspn (const char *s, const char *rej)
}
size_t
stupid_strcspn (const char *s, const char *rej)
STUPID_STRCSPN (const CHAR *s, const CHAR *rej)
{
size_t ns = strlen (s), nrej = strlen (rej);
size_t ns = STRLEN (s), nrej = STRLEN (rej);
size_t i, j;
for (i = 0; i < ns; ++i)
@ -57,4 +76,6 @@ stupid_strcspn (const char *s, const char *rej)
return i;
}
#undef CHAR
#undef STRLEN
#include "test-strpbrk.c"