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The ifunc handling for strncat is adjusted in order to omit ifunc
variants if those will never be used as the minimum architecture level
already supports newer CPUs by default.
Glibc internal calls will then also use the "newer" ifunc variant.
ChangeLog:
* sysdeps/s390/multiarch/Makefile
(sysdep_routines): Remove strncat variants.
* sysdeps/s390/Makefile (sysdep_routines): Add strncat variants.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Refactor ifunc handling for strncat.
* sysdeps/s390/multiarch/strncat-c.c: Move to ...
* sysdeps/s390/strncat-c.c: ... here and adjust ifunc handling.
* sysdeps/s390/multiarch/strncat-vx.S: Move to ...
* sysdeps/s390/strncat-vx.S: ... here and adjust ifunc handling.
* sysdeps/s390/multiarch/strncat.c: Move to ...
* sysdeps/s390/strncat.c: ... here and adjust ifunc handling.
* sysdeps/s390/ifunc-strncat.h: New file.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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This patch provides optimized versions of strncat and wcsncat with the z13
vector instructions.
ChangeLog:
* sysdeps/s390/multiarch/strncat-c.c: New File.
* sysdeps/s390/multiarch/strncat-vx.S: Likewise.
* sysdeps/s390/multiarch/strncat.c: Likewise.
* sysdeps/s390/multiarch/wcsncat-c.c: Likewise.
* sysdeps/s390/multiarch/wcsncat-vx.S: Likewise.
* sysdeps/s390/multiarch/wcsncat.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strncat and
wcsncat functions.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add ifunc test for strncat, wcsncat.
* wcsmbs/wcsncat.c (WCSNCAT): Define and use macro.
* string/test-strncat.c: Add wcsncat support.
* wcsmbs/test-wcsncat.c: New File.
* wcsmbs/Makefile (strop-tests): Add wcsncat.
* benchtests/bench-strncat.c: Add wcsncat support.
* benchtests/bench-wcsncat.c: New File.
* benchtests/Makefile (wcsmbs-bench): Add wcsncat.
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