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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
commitb3a0c176d1185621c4dd2bb3a51ec961bdb29123 (patch)
treef8eebf88cc8fc83747864ac8c3d2bdc174db84f2 /sysdeps/s390/multiarch/ifunc-impl-list.c
parentd183b96ee6dc694e95f212c9272a178163351b19 (diff)
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S390: Optimize stpncpy and wcpncpy.
This patch provides optimized versions of stpncpy and wcpncpy with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/stpncpy-c.c: New File.
	* sysdeps/s390/multiarch/stpncpy-vx.S: Likewise.
	* sysdeps/s390/multiarch/stpncpy.c: Likewise.
	* sysdeps/s390/multiarch/wcpncpy-c.c: Likewise.
	* sysdeps/s390/multiarch/wcpncpy-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcpncpy.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpncpy and
	wcpncpy functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for stpncpy, wcpncpy.
	* wcsmbs/wcpncpy.c: Use WCPNCPY if defined.
	* string/test-stpncpy.c: Add wcpncpy support.
	* wcsmbs/test-wcpncpy.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wcpncpy.
	* benchtests/bench-stpncpy.c: Add wcpncpy support.
	* benchtests/bench-wcpncpy.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcpncpy.
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 940421d0f8..ca69983466 100644
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
@@ -94,6 +94,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   IFUNC_VX_IMPL (strncpy);
   IFUNC_VX_IMPL (wcsncpy);
 
+  IFUNC_VX_IMPL (stpncpy);
+  IFUNC_VX_IMPL (wcpncpy);
+
 #endif /* HAVE_S390_VX_ASM_SUPPORT */
 
   return i;