summary refs log tree commit diff
path: root/wcsmbs
diff options
context:
space:
mode:
authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:24 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:24 +0200
commitf1ffad98be7ec4111fbd1cd1f58f3e3343257519 (patch)
tree37bf3ccd97d9ff61a4cdfcfb1256b370175aa9a2 /wcsmbs
parentf40132d4bda984479bac89dfcd6968e9ff56e088 (diff)
downloadglibc-f1ffad98be7ec4111fbd1cd1f58f3e3343257519.tar.gz
glibc-f1ffad98be7ec4111fbd1cd1f58f3e3343257519.tar.xz
glibc-f1ffad98be7ec4111fbd1cd1f58f3e3343257519.zip
S390: Optimize strspn and wcsspn.
This patch provides optimized versions of strspn and wcsspn with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strspn-c.c: New File.
	* sysdeps/s390/multiarch/strspn-vx.S: Likewise.
	* sysdeps/s390/multiarch/strspn.c: Likewise.
	* sysdeps/s390/multiarch/wcsspn-c.c: Likewise.
	* sysdeps/s390/multiarch/wcsspn-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcsspn.c: Likewise.
	* wcsmbs/wcsspn.c: Use WCSSPN if defined.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strspn and
	wcsspn functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strspn, wcsspn.
	* string/test-strspn.c: Add wcsspn support.
	* wcsmbs/test-wcsspn.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wcsspn.
	* benchtests/bench-strspn.c: Add wcsspn support.
	* benchtests/bench-wcsspn.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcsspn.
Diffstat (limited to 'wcsmbs')
-rw-r--r--wcsmbs/Makefile2
-rw-r--r--wcsmbs/test-wcsspn.c20
-rw-r--r--wcsmbs/wcsspn.c3
3 files changed, 24 insertions, 1 deletions
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index a4c707709e..b51e7b6363 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 wcschrnul
+		wcpcpy wcsncpy wcpncpy wcscat wcsncat wcschrnul wcsspn
 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-wcsspn.c b/wcsmbs/test-wcsspn.c
new file mode 100644
index 0000000000..171043c663
--- /dev/null
+++ b/wcsmbs/test-wcsspn.c
@@ -0,0 +1,20 @@
+/* Test wcsspn 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-strspn.c"
diff --git a/wcsmbs/wcsspn.c b/wcsmbs/wcsspn.c
index db51accb95..7a3cdf7a21 100644
--- a/wcsmbs/wcsspn.c
+++ b/wcsmbs/wcsspn.c
@@ -18,6 +18,9 @@
 
 #include <wchar.h>
 
+#ifdef WCSSPN
+# define wcsspn WCSSPN
+#endif
 
 /* Return the length of the maximum initial segment
    of WCS which contains only wide-characters in ACCEPT.  */