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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
commit8ade3db78db17e0112648d302f98eda115949cd5 (patch)
tree787e1a2e0d2dd3bc7ad4d7bf067ebb39ec760c05 /wcsmbs/wcpcpy.c
parent680df122ab8a07806cb38d044292896334f76c01 (diff)
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S390: Optimize stpcpy and wcpcpy.
This patch provides optimized versions of stpcpy and wcpcpy with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/stpcpy-c.c: New File.
	* sysdeps/s390/multiarch/stpcpy-vx.S: Likewise.
	* sysdeps/s390/multiarch/stpcpy.c: Likewise.
	* sysdeps/s390/multiarch/wcpcpy-c.c: Likewise.
	* sysdeps/s390/multiarch/wcpcpy-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcpcpy.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpcpy and
	wcpcpy functions.
	* string/stpcpy.c: Use STPCPY if defined.
	* wcsmbs/wcpcpy.c: Use WCPCPY if defined.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for stpcpy, wcpcpy.
	* string/test-stpcpy.c: Add wcpcpy support.
	* wcsmbs/test-wcpcpy.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wcpcpy.
	* benchtests/bench-stpcpy.c: Add wcpcpy support.
	* benchtests/bench-wcpcpy.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcpcpy.
Diffstat (limited to 'wcsmbs/wcpcpy.c')
-rw-r--r--wcsmbs/wcpcpy.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/wcsmbs/wcpcpy.c b/wcsmbs/wcpcpy.c
index 1c05bca157..0c8ded32e0 100644
--- a/wcsmbs/wcpcpy.c
+++ b/wcsmbs/wcpcpy.c
@@ -21,7 +21,9 @@
 #define __need_ptrdiff_t
 #include <stddef.h>
 
-
+#ifdef WCPCPY
+# define __wcpcpy WCPCPY
+#endif
 /* Copy SRC to DEST, returning the address of the terminating L'\0' in
    DEST.  */
 wchar_t *
@@ -43,4 +45,6 @@ __wcpcpy (dest, src)
   return wcp;
 }
 
+#ifndef WCPCPY
 weak_alias (__wcpcpy, wcpcpy)
+#endif