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S390: Optimize strchrnul and wcschrnul.

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This patch provides optimized versions of strchrnul and wcschrnul with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strchrnul-c.c: New File.
	* sysdeps/s390/multiarch/strchrnul-vx.S: Likewise.
	* sysdeps/s390/multiarch/strchrnul.c: Likewise.
	* sysdeps/s390/multiarch/wcschrnul-c.c: Likewise.
	* sysdeps/s390/multiarch/wcschrnul-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcschrnul.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strchrnul and
	wcschrnul functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strchrnul, wcschrnul.
	* wcsmbs/wcschrnul.c: Use WCSCHRNUL if defined.
	* string/test-strchr.c: Add wcschrnul support.
	* wcsmbs/test-wcschrnul.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wcschrnul.
	* benchtests/bench-strchr.c: Add wcschrnul support.
	* benchtests/bench-wcschrnul.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcschrnul.
This commit is contained in:
Stefan Liebler
2015-08-26 10:26:23 +02:00
committed by Andreas Krebbel
parent cf150d45a9
commit d23d4ef19f
16 changed files with 406 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
string/test-strchr.c
View File

@ -1,4 +1,4 @@
/* Test and measure STRCHR functions.
/* Test STRCHR 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.
@ -24,10 +24,14 @@
# define TEST_NAME "strchrnul"
# else
# define TEST_NAME "strchr"
# endif
# endif /* !USE_FOR_STRCHRNUL */
#else
# define TEST_NAME "wcschr"
#endif
# ifdef USE_FOR_STRCHRNUL
# define TEST_NAME "wcschrnul"
# else
# define TEST_NAME "wcschr"
# endif /* !USE_FOR_STRCHRNUL */
#endif /* WIDE */
#include "test-string.h"
#ifndef WIDE
@ -37,7 +41,7 @@
# define simple_STRCHR simple_STRCHRNUL
# else
# define STRCHR strchr
# endif
# endif /* !USE_FOR_STRCHRNUL */
# define STRLEN strlen
# define CHAR char
# define BIG_CHAR CHAR_MAX
@ -47,7 +51,13 @@
# define L(s) s
#else
# include <wchar.h>
# define STRCHR wcschr
# ifdef USE_FOR_STRCHRNUL
# define STRCHR wcschrnul
# define stupid_STRCHR stupid_WCSCHRNUL
# define simple_STRCHR simple_WCSCHRNUL
# else
# define STRCHR wcschr
# endif /* !USE_FOR_STRCHRNUL */
# define STRLEN wcslen
# define CHAR wchar_t
# define BIG_CHAR WCHAR_MAX
@ -55,13 +65,13 @@
# define SMALL_CHAR 851
# define UCHAR wchar_t
# define L(s) L ## s
#endif
#endif /* WIDE */
#ifdef USE_FOR_STRCHRNUL
# define NULLRET(endptr) endptr
#else
# define NULLRET(endptr) NULL
#endif
#endif /* !USE_FOR_STRCHRNUL */
typedef CHAR *(*proto_t) (const CHAR *, int);