From 2e9e166761fed5dfaa53480412bef0656f1b5306 Mon Sep 17 00:00:00 2001
From: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Wed, 26 Aug 2015 10:26:25 +0200
Subject: S390: Optimize wmemset.

This patch provides optimized version of wmemset with the z13 vector
instructions.

ChangeLog:

	* sysdeps/s390/multiarch/wmemset-c.c: New File.
	* sysdeps/s390/multiarch/wmemset-vx.S: Likewise.
	* sysdeps/s390/multiarch/wmemset.c: Likewise.
	* sysdeps/s390/multiarch/Makefile
	(sysdep_routines): Add wmemset functions.
	* sysdeps/s390/multiarch/ifunc-impl-list-common.c
	(__libc_ifunc_impl_list_common): Add ifunc test for wmemset.
	* wcsmbs/wmemset.c: Use WMEMSET if defined.
	* string/test-memset.c: Add wmemset support.
	* wcsmbs/test-wmemset.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wmemset.
	* benchtests/bench-memset.c: Add wmemset support.
	* benchtests/bench-wmemset.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wmemset.
---
 wcsmbs/Makefile       |  2 +-
 wcsmbs/test-wmemset.c | 20 ++++++++++++++++++++
 wcsmbs/wmemset.c      |  3 +++
 3 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 wcsmbs/test-wmemset.c

(limited to 'wcsmbs')

diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index e8ce579..dc72ba4 100644
--- a/wcsmbs/Makefile
+++ b/wcsmbs/Makefile
@@ -44,7 +44,7 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \
 
 strop-tests :=  wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \
 		wcpcpy wcsncpy wcpncpy wcscat wcsncat wcschrnul wcsspn wcspbrk \
-		wcscspn wmemchr
+		wcscspn wmemchr wmemset
 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-wmemset.c b/wcsmbs/test-wmemset.c
new file mode 100644
index 0000000..c03c759
--- /dev/null
+++ b/wcsmbs/test-wmemset.c
@@ -0,0 +1,20 @@
+/* Test wmemset 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-memset.c"
diff --git a/wcsmbs/wmemset.c b/wcsmbs/wmemset.c
index 88fc015..1eb6b2b 100644
--- a/wcsmbs/wmemset.c
+++ b/wcsmbs/wmemset.c
@@ -18,6 +18,9 @@
 
 #include <wchar.h>
 
+#ifdef WMEMSET
+# define __wmemset WMEMSET
+#endif
 
 wchar_t *
 __wmemset (s, c, n)
-- 
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