Stefan Liebler
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fcf40ebe26
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S390: Optimize strnlen and wcsnlen.
This patch provides optimized versions of strnlen and wcsnlen with the z13
vector instructions.
ChangeLog:
* sysdeps/s390/multiarch/strnlen-c.c: New File.
* sysdeps/s390/multiarch/strnlen-vx.S: Likewise.
* sysdeps/s390/multiarch/strnlen.c: Likewise.
* sysdeps/s390/multiarch/wcsnlen-c.c: Likewise.
* sysdeps/s390/multiarch/wcsnlen-vx.S: Likewise.
* sysdeps/s390/multiarch/wcsnlen.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strnlen and
wcsnlen functions.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add ifunc test for strnlen, wcsnlen.
* wcsmbs/wcsnlen.c: Use WCSNLEN if defined.
* string/test-strnlen.c: Add wcsnlen support.
* wcsmbs/test-wcsnlen.c: New File.
* wcsmbs/Makefile (strop-tests): Add wcsnlen.
* benchtests/bench-strnlen.c: Add wcsnlen support.
* benchtests/bench-wcsnlen.c: New File.
* benchtests/Makefile (wcsmbs-bench): Add wcsnlen.
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2015-08-26 10:26:20 +02:00 |