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authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:22 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:22 +0200
commit63724a6db60f98e91da474d11d83a19aa10fc54e (patch)
tree50fc60c0309d220ced0d3ed9d32d6b853c11080d /sysdeps/s390/multiarch/Makefile
parente1fe91180e4e29549f35f8ecd705b0bb4f208606 (diff)
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S390: Optimize strcmp and wcscmp.
This patch provides optimized versions of strcmp and wcscmp with the z13
vector instructions.

The architecture specific string.h had a typo, which leads to ommiting the
inline version in this file if __USE_STRING_INLINES is defined.
Tested this inline version by tweaking test-strcmp.c.

ChangeLog:

	* sysdeps/s390/multiarch/strcmp-vx.S: New File.
	* sysdeps/s390/multiarch/strcmp.c: Likewise.
	* sysdeps/s390/multiarch/wcscmp-c.c: Likewise.
	* sysdeps/s390/multiarch/wcscmp-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcscmp.c: Likewise.
	* sysdeps/s390/s390-32/multiarch/strcmp.c: Likewise.
	* sysdeps/s390/s390-64/multiarch/strcmp.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strcmp and
	wcscmp functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strcmp, wcscmp.
	* string/strcmp.c (STRCMP): Define and use macro.
	* benchtests/bench-wcscmp.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcscmp.
	* sysdeps/s390/bits/string.h: Fix typo: _HAVE_STRING_ARCH_strcmp
	instead of _HAVE_STRING_ARCH_memchr.
Diffstat (limited to 'sysdeps/s390/multiarch/Makefile')
-rw-r--r--sysdeps/s390/multiarch/Makefile6
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile
index 33c139820a..d8fbd55ebb 100644
--- a/sysdeps/s390/multiarch/Makefile
+++ b/sysdeps/s390/multiarch/Makefile
@@ -6,7 +6,8 @@ sysdep_routines += strlen strlen-vx strlen-c \
 		   strncpy strncpy-vx \
 		   stpncpy stpncpy-vx stpncpy-c \
 		   strcat strcat-vx strcat-c \
-		   strncat strncat-vx strncat-c
+		   strncat strncat-vx strncat-c \
+		   strcmp strcmp-vx
 endif
 
 ifeq ($(subdir),wcsmbs)
@@ -17,5 +18,6 @@ sysdep_routines += wcslen wcslen-vx wcslen-c \
 		   wcsncpy wcsncpy-vx wcsncpy-c \
 		   wcpncpy wcpncpy-vx wcpncpy-c \
 		   wcscat wcscat-vx wcscat-c \
-		   wcsncat wcsncat-vx wcsncat-c
+		   wcsncat wcsncat-vx wcsncat-c \
+		   wcscmp wcscmp-vx wcscmp-c
 endif