From d626a24f235dbd4c446b241211a9a264a1eedb9e Mon Sep 17 00:00:00 2001
From: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Wed, 26 Aug 2015 10:26:21 +0200
Subject: 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.
---
 sysdeps/s390/multiarch/ifunc-impl-list.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'sysdeps/s390/multiarch/ifunc-impl-list.c')

diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c
index ca69983466..ccf4dea198 100644
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
@@ -97,6 +97,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   IFUNC_VX_IMPL (stpncpy);
   IFUNC_VX_IMPL (wcpncpy);
 
+  IFUNC_VX_IMPL (strcat);
+  IFUNC_VX_IMPL (wcscat);
+
 #endif /* HAVE_S390_VX_ASM_SUPPORT */
 
   return i;
-- 
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