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authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:23 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:23 +0200
commitd23d4ef19f1f5463745f2af205acb8c4975fd680 (patch)
tree3be88b35f969e9163d18731b5db13e1bf398f737 /benchtests
parentcf150d45a97c6bb8410d6d3acf6e1560e8fe96cc (diff)
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S390: Optimize strchrnul and wcschrnul.
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.
Diffstat (limited to 'benchtests')
-rw-r--r--benchtests/Makefile2
-rw-r--r--benchtests/bench-strchr.c24
-rw-r--r--benchtests/bench-wcschrnul.c20
3 files changed, 38 insertions, 8 deletions
diff --git a/benchtests/Makefile b/benchtests/Makefile
index b931f60..b3298d4 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -37,7 +37,7 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
strcoll
wcsmbs-bench := wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \
- wcscmp wcsncmp wcschr
+ wcscmp wcsncmp wcschr wcschrnul
string-bench-all := $(string-bench) ${wcsmbs-bench}
# We have to generate locales
diff --git a/benchtests/bench-strchr.c b/benchtests/bench-strchr.c
index 89e177a..e4e2775 100644
--- a/benchtests/bench-strchr.c
+++ b/benchtests/bench-strchr.c
@@ -22,10 +22,14 @@
# 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 "bench-string.h"
#ifndef WIDE
@@ -35,7 +39,7 @@
# 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
@@ -44,20 +48,26 @@
# define UCHAR unsigned char
#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
# define MIDDLE_CHAR 1121
# define SMALL_CHAR 851
# define UCHAR wchar_t
-#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);
diff --git a/benchtests/bench-wcschrnul.c b/benchtests/bench-wcschrnul.c
new file mode 100644
index 0000000..124b602
--- /dev/null
+++ b/benchtests/bench-wcschrnul.c
@@ -0,0 +1,20 @@
+/* Measure wcschrnul functions.
+ Copyright (C) 2015 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
+ <http://www.gnu.org/licenses/>. */
+
+#define WIDE 1
+#include "bench-strchrnul.c"