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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 /sysdeps/s390/multiarch/wcsncat-c.c
parentd626a24f235dbd4c446b241211a9a264a1eedb9e (diff)
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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 'sysdeps/s390/multiarch/wcsncat-c.c')
-rw-r--r--sysdeps/s390/multiarch/wcsncat-c.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/wcsncat-c.c b/sysdeps/s390/multiarch/wcsncat-c.c
new file mode 100644
index 0000000000..c079f43cd0
--- /dev/null
+++ b/sysdeps/s390/multiarch/wcsncat-c.c
@@ -0,0 +1,25 @@
+/* Default wcsncat 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 WCSNCAT  __wcsncat_c
+
+# include <wchar.h>
+extern __typeof (wcsncat) __wcsncat_c;
+# include <wcsmbs/wcsncat.c>
+#endif