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63724a6db6
glibc/sysdeps/s390
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Stefan Liebler 63724a6db6 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.
2015-08-26 10:26:22 +02:00
..
bits S390: Optimize strcmp and wcscmp. 2015-08-26 10:26:22 +02:00
fpu S390: Fix handling of DXC-byte in FPC-register. 2015-08-26 10:26:18 +02:00
multiarch S390: Optimize strcmp and wcscmp. 2015-08-26 10:26:22 +02:00
nptl Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s390-32 S390: Optimize strcmp and wcscmp. 2015-08-26 10:26:22 +02:00
s390-64 S390: Optimize strcmp and wcscmp. 2015-08-26 10:26:22 +02:00
abort-instr.h Update. 2000-08-02 15:15:00 +00:00
asm-syntax.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
configure S390: configure check for vector instruction support in assembler. 2015-08-26 10:26:19 +02:00
configure.ac S390: configure check for vector instruction support in assembler. 2015-08-26 10:26:19 +02:00
dl-irel.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-procinfo.c S390: Add new s390 platform. 2015-08-26 10:26:19 +02:00
dl-procinfo.h S390: Add new s390 platform. 2015-08-26 10:26:19 +02:00
dl-tls.h [s390] Define a __tls_get_addr macro to avoid declaring it again 2015-01-14 21:26:50 +05:30
ffs.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gccframe.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gmp-mparam.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Implies * math/divtc3.c: New file. 2006-02-01 03:02:06 +00:00
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
ldsodefs.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
libc-tls.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
longjmp.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
machine-gmon.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memusage.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
preconfigure Move base_machine and machine settings from configure.ac to sysdeps preconfigure fragments. 2014-06-25 17:52:56 +00:00
sotruss-lib.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
stackinfo.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Versions S/390: Revert the jmp_buf/ucontext_t ABI change. 2014-07-31 20:04:54 +02:00