about summary refs log tree commit diff
path: root/sysdeps/s390/multiarch/ifunc-impl-list.c
diff options
context:
space:
mode:
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
commitcf150d45a97c6bb8410d6d3acf6e1560e8fe96cc (patch)
tree678f57e8e7da3268797cd6567617a27491e4d0fa /sysdeps/s390/multiarch/ifunc-impl-list.c
parentcee82e70ccb7b2f054cd781b0a603ae244523e72 (diff)
downloadglibc-cf150d45a97c6bb8410d6d3acf6e1560e8fe96cc.tar.gz
glibc-cf150d45a97c6bb8410d6d3acf6e1560e8fe96cc.tar.xz
glibc-cf150d45a97c6bb8410d6d3acf6e1560e8fe96cc.zip
S390: Optimize strchr and wcschr.
This patch provides optimized versions of strchr and wcschr with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strchr-c.c: New File.
	* sysdeps/s390/multiarch/strchr-vx.S: Likewise.
	* sysdeps/s390/multiarch/strchr.c: Likewise.
	* sysdeps/s390/multiarch/wcschr-c.c: Likewise.
	* sysdeps/s390/multiarch/wcschr-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcschr.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strchr and
	wcschr functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strchr, wcschr.
	* string/strchr.c (STRCHR): Define and use macro.
	* benchtests/bench-wcschr.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcschr.
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 5bfc49395c..b0782ffbbd 100644
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
@@ -109,6 +109,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   IFUNC_VX_IMPL (strncmp);
   IFUNC_VX_IMPL (wcsncmp);
 
+  IFUNC_VX_IMPL (strchr);
+  IFUNC_VX_IMPL (wcschr);
+
 #endif /* HAVE_S390_VX_ASM_SUPPORT */
 
   return i;