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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 /wcsmbs
parentcf150d45a97c6bb8410d6d3acf6e1560e8fe96cc (diff)
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 'wcsmbs')
-rw-r--r--wcsmbs/Makefile2
-rw-r--r--wcsmbs/test-wcschrnul.c20
-rw-r--r--wcsmbs/wcschrnul.c5
3 files changed, 26 insertions, 1 deletions
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index 3b6c472525..a4c707709e 100644
--- a/wcsmbs/Makefile
+++ b/wcsmbs/Makefile
@@ -43,7 +43,7 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \
mbrtoc16 c16rtomb
strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \
- wcpcpy wcsncpy wcpncpy wcscat wcsncat
+ wcpcpy wcsncpy wcpncpy wcscat wcsncat wcschrnul
tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \
tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2 \
tst-c16c32-1 wcsatcliff $(addprefix test-,$(strop-tests))
diff --git a/wcsmbs/test-wcschrnul.c b/wcsmbs/test-wcschrnul.c
new file mode 100644
index 0000000000..baea763699
--- /dev/null
+++ b/wcsmbs/test-wcschrnul.c
@@ -0,0 +1,20 @@
+/* Test 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 "../string/test-strchrnul.c"
diff --git a/wcsmbs/wcschrnul.c b/wcsmbs/wcschrnul.c
index 4bc42d1d84..97ef3b9dfd 100644
--- a/wcsmbs/wcschrnul.c
+++ b/wcsmbs/wcschrnul.c
@@ -17,6 +17,9 @@
#include <wchar.h>
+#ifdef WCSCHRNUL
+# define __wcschrnul WCSCHRNUL
+#endif
/* Find the first occurrence of WC in WCS. */
wchar_t *
@@ -32,4 +35,6 @@ __wcschrnul (wcs, wc)
return (wchar_t *) wcs;
}
+#ifndef WCSCHRNUL
weak_alias (__wcschrnul, wcschrnul)
+#endif