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authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:20 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:20 +0200
commit680df122ab8a07806cb38d044292896334f76c01 (patch)
treed05855eb1b3c5bfe81343412f706e381f0ebf1c3 /benchtests
parentfcf40ebe2682fd65d64f94d69a3df798960cf1b7 (diff)
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S390: Optimize strcpy and wcscpy.
This patch provides optimized versions of strcpy and wcscpy with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strcpy-vx.S: New File.
	* sysdeps/s390/multiarch/strcpy.c: Likewise.
	* sysdeps/s390/multiarch/wcscpy-c.c: Likewise.
	* sysdeps/s390/multiarch/wcscpy-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcscpy.c: Likewise.
	* sysdeps/s390/s390-32/multiarch/strcpy.c: Likewise.
	* sysdeps/s390/s390-64/multiarch/strcpy.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strcpy and
	wcscpy functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strcpy, wcscpy.
	* benchtests/bench-wcscpy.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcscpy.
Diffstat (limited to 'benchtests')
-rw-r--r--benchtests/Makefile2
-rw-r--r--benchtests/bench-wcscpy.c20
2 files changed, 21 insertions, 1 deletions
diff --git a/benchtests/Makefile b/benchtests/Makefile
index 295738eede..28892c809b 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -36,7 +36,7 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
 		strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
 		strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
 		strcoll
-wcsmbs-bench := wcslen wcsnlen
+wcsmbs-bench := wcslen wcsnlen wcscpy
 string-bench-all := $(string-bench) ${wcsmbs-bench}
 
 # We have to generate locales
diff --git a/benchtests/bench-wcscpy.c b/benchtests/bench-wcscpy.c
new file mode 100644
index 0000000000..62c582508f
--- /dev/null
+++ b/benchtests/bench-wcscpy.c
@@ -0,0 +1,20 @@
+/* Measure wcscpy 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 "bench-strcpy.c"