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authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:23 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:23 +0200
commitf40132d4bda984479bac89dfcd6968e9ff56e088 (patch)
tree05b76d284b6eb493ab479501b63672f2aa94c42e /sysdeps/s390/multiarch/ifunc-impl-list.c
parentd23d4ef19f1f5463745f2af205acb8c4975fd680 (diff)
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S390: Optimize strrchr and wcsrchr.
This patch provides optimized versions of strrchr and wcsrchr with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strrchr-c.c: New File.
	* sysdeps/s390/multiarch/strrchr-vx.S: Likewise.
	* sysdeps/s390/multiarch/strrchr.c: Likewise.
	* sysdeps/s390/multiarch/wcsrchr-c.c: Likewise.
	* sysdeps/s390/multiarch/wcsrchr-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcsrchr.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strrchr and
	wcsrchr functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strrchr, wcsrchr.
	* benchtests/bench-wcsrchr.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcsrchr.
Diffstat (limited to 'sysdeps/s390/multiarch/ifunc-impl-list.c')
-rw-r--r--sysdeps/s390/multiarch/ifunc-impl-list.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c
index ea474a8206..ee84d800a0 100644
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
@@ -115,6 +115,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   IFUNC_VX_IMPL (strchrnul);
   IFUNC_VX_IMPL (wcschrnul);
 
+  IFUNC_VX_IMPL (strrchr);
+  IFUNC_VX_IMPL (wcsrchr);
+
 #endif /* HAVE_S390_VX_ASM_SUPPORT */
 
   return i;