about summary refs log tree commit diff
path: root/sysdeps/s390/multiarch/wcscat-c.c
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
commitd626a24f235dbd4c446b241211a9a264a1eedb9e (patch)
treedb067b49b08a07006865e78595277bebd2783cea /sysdeps/s390/multiarch/wcscat-c.c
parentb3a0c176d1185621c4dd2bb3a51ec961bdb29123 (diff)
downloadglibc-d626a24f235dbd4c446b241211a9a264a1eedb9e.tar.gz
glibc-d626a24f235dbd4c446b241211a9a264a1eedb9e.tar.xz
glibc-d626a24f235dbd4c446b241211a9a264a1eedb9e.zip
S390: Optimize strcat and wcscat.
This patch provides optimized versions of strcat and wcscat with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strcat-c.c: New File.
	* sysdeps/s390/multiarch/strcat-vx.S: Likewise.
	* sysdeps/s390/multiarch/strcat.c: Likewise.
	* sysdeps/s390/multiarch/wcscat-c.c: Likewise.
	* sysdeps/s390/multiarch/wcscat-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcscat.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strcat and
	wcscat functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strcat, wcscat.
	* string/strcat.c (STRCAT): Define and use macro.
	* wcsmbs/wcscat.c: Use WCSCAT if defined.
	* string/test-strcat.c: Add wcscat support.
	* wcsmbs/test-wcscat.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wcscat.
	* benchtests/bench-strcat.c: Add wcscat support.
	* benchtests/bench-wcscat.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcscat.
Diffstat (limited to 'sysdeps/s390/multiarch/wcscat-c.c')
-rw-r--r--sysdeps/s390/multiarch/wcscat-c.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/wcscat-c.c b/sysdeps/s390/multiarch/wcscat-c.c
new file mode 100644
index 0000000000..d86b8a3fb5
--- /dev/null
+++ b/sysdeps/s390/multiarch/wcscat-c.c
@@ -0,0 +1,25 @@
+/* Default wcscat implementation for S/390.
+   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/>.  */
+
+#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define WCSCAT  __wcscat_c
+
+# include <wchar.h>
+extern __typeof (__wcscat) __wcscat_c;
+# include <wcsmbs/wcscat.c>
+#endif