aboutsummaryrefslogtreecommitdiff
path: root/wcsmbs
diff options
context:
space:
mode:
authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:21 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:21 +0200
commitb3a0c176d1185621c4dd2bb3a51ec961bdb29123 (patch)
treef8eebf88cc8fc83747864ac8c3d2bdc174db84f2 /wcsmbs
parentd183b96ee6dc694e95f212c9272a178163351b19 (diff)
downloadglibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.zip
glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.tar.gz
glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.tar.bz2
S390: Optimize stpncpy and wcpncpy.
This patch provides optimized versions of stpncpy and wcpncpy with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/stpncpy-c.c: New File. * sysdeps/s390/multiarch/stpncpy-vx.S: Likewise. * sysdeps/s390/multiarch/stpncpy.c: Likewise. * sysdeps/s390/multiarch/wcpncpy-c.c: Likewise. * sysdeps/s390/multiarch/wcpncpy-vx.S: Likewise. * sysdeps/s390/multiarch/wcpncpy.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpncpy and wcpncpy functions. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for stpncpy, wcpncpy. * wcsmbs/wcpncpy.c: Use WCPNCPY if defined. * string/test-stpncpy.c: Add wcpncpy support. * wcsmbs/test-wcpncpy.c: New File. * wcsmbs/Makefile (strop-tests): Add wcpncpy. * benchtests/bench-stpncpy.c: Add wcpncpy support. * benchtests/bench-wcpncpy.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcpncpy.
Diffstat (limited to 'wcsmbs')
-rw-r--r--wcsmbs/Makefile2
-rw-r--r--wcsmbs/test-wcpncpy.c20
-rw-r--r--wcsmbs/wcpncpy.c5
3 files changed, 26 insertions, 1 deletions
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index 426eab0..1d07c51 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
+ wcpcpy wcsncpy wcpncpy
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-wcpncpy.c b/wcsmbs/test-wcpncpy.c
new file mode 100644
index 0000000..de302b4
--- /dev/null
+++ b/wcsmbs/test-wcpncpy.c
@@ -0,0 +1,20 @@
+/* Test wcpncpy 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-stpncpy.c"
diff --git a/wcsmbs/wcpncpy.c b/wcsmbs/wcpncpy.c
index 98c77a5..e19e44c 100644
--- a/wcsmbs/wcpncpy.c
+++ b/wcsmbs/wcpncpy.c
@@ -18,6 +18,9 @@
#include <wchar.h>
+#ifdef WCPNCPY
+# define __wcpncpy WCPNCPY
+#endif
/* Copy no more than N wide-characters of SRC to DEST, returning the
address of the last character written into DEST. */
@@ -82,4 +85,6 @@ __wcpncpy (dest, src, n)
return dest - 1;
}
+#ifndef WCPNCPY
weak_alias (__wcpncpy, wcpncpy)
+#endif