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authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:22 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:22 +0200
commite1fe91180e4e29549f35f8ecd705b0bb4f208606 (patch)
treee67c5c8c4e0a0c124aaaf692dea8da515f2a85b9 /wcsmbs
parentd626a24f235dbd4c446b241211a9a264a1eedb9e (diff)
downloadglibc-e1fe91180e4e29549f35f8ecd705b0bb4f208606.tar.gz
S390: Optimize strncat wcsncat.
This patch provides optimized versions of strncat and wcsncat with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/strncat-c.c: New File. * sysdeps/s390/multiarch/strncat-vx.S: Likewise. * sysdeps/s390/multiarch/strncat.c: Likewise. * sysdeps/s390/multiarch/wcsncat-c.c: Likewise. * sysdeps/s390/multiarch/wcsncat-vx.S: Likewise. * sysdeps/s390/multiarch/wcsncat.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strncat and wcsncat functions. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for strncat, wcsncat. * wcsmbs/wcsncat.c (WCSNCAT): Define and use macro. * string/test-strncat.c: Add wcsncat support. * wcsmbs/test-wcsncat.c: New File. * wcsmbs/Makefile (strop-tests): Add wcsncat. * benchtests/bench-strncat.c: Add wcsncat support. * benchtests/bench-wcsncat.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcsncat.
Diffstat (limited to 'wcsmbs')
-rw-r--r--wcsmbs/Makefile2
-rw-r--r--wcsmbs/test-wcsncat.c20
-rw-r--r--wcsmbs/wcsncat.c5
3 files changed, 25 insertions, 2 deletions
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index 5eb959ccf9..3b6c472525 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
+ wcpcpy wcsncpy wcpncpy wcscat wcsncat
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-wcsncat.c b/wcsmbs/test-wcsncat.c
new file mode 100644
index 0000000000..8b91a18517
--- /dev/null
+++ b/wcsmbs/test-wcsncat.c
@@ -0,0 +1,20 @@
+/* Test wcsncat 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-strncat.c"
diff --git a/wcsmbs/wcsncat.c b/wcsmbs/wcsncat.c
index 63eb126474..78fe7653fd 100644
--- a/wcsmbs/wcsncat.c
+++ b/wcsmbs/wcsncat.c
@@ -18,10 +18,13 @@
#include <wchar.h>
+#ifndef WCSNCAT
+# define WCSNCAT wcsncat
+#endif
/* Append no more than N wide-character of SRC onto DEST. */
wchar_t *
-wcsncat (dest, src, n)
+WCSNCAT (dest, src, n)
wchar_t *dest;
const wchar_t *src;
size_t n;