| Commit message (Collapse) | Author | Age | Files | Lines |
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The ifunc handling for wmemchr is adjusted in order to omit ifunc
if the minimum architecture level already supports newer CPUs by default.
Unfortunately the c ifunc variant can't be omitted at all as it is used
by the z13 ifunc variant as fallback if the pointers are not 4-byte aligned.
Glibc internal calls will use the "newer" ifunc variant.
ChangeLog:
* sysdeps/s390/multiarch/Makefile
(sysdep_routines): Remove wmemchr variants.
* sysdeps/s390/Makefile (sysdep_routines): Add wmemchr variants.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Refactor ifunc handling for wmemchr.
* sysdeps/s390/multiarch/wmemchr-c.c: Move to ...
* sysdeps/s390/wmemchr-c.c: ... here and adjust ifunc handling.
* sysdeps/s390/multiarch/wmemchr-vx.S: Move to ...
* sysdeps/s390/wmemchr-vx.S: ... here and adjust ifunc handling.
* sysdeps/s390/multiarch/wmemchr.c: Move to ...
* sysdeps/s390/wmemchr.c: ... here and adjust ifunc handling.
* sysdeps/s390/ifunc-wmemchr.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 memchr, rawmemchr and wmemchr with the
z13 vector instructions.
ChangeLog:
* sysdeps/s390/multiarch/memchr-vx.S: New File.
* sysdeps/s390/multiarch/memchr.c: Likewise.
* sysdeps/s390/multiarch/rawmemchr-c.c: Likewise.
* sysdeps/s390/multiarch/rawmemchr-vx.S: Likewise.
* sysdeps/s390/multiarch/rawmemchr.c: Likewise.
* sysdeps/s390/multiarch/wmemchr-c.c: Likewise.
* sysdeps/s390/multiarch/wmemchr-vx.S: Likewise.
* sysdeps/s390/multiarch/wmemchr.c: Likewise.
* sysdeps/s390/s390-32/multiarch/memchr.c: Likewise.
* sysdeps/s390/s390-64/multiarch/memchr.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add memchr, wmemchr
and rawmemchr functions.
* sysdeps/s390/multiarch/ifunc-impl-list-common.c
(__libc_ifunc_impl_list_common): Add ifunc test for memchr, rawmemchr
and wmemchr.
* wcsmbs/wmemchr.c: Use WMEMCHR if defined.
* string/test-memchr.c: Add wmemchr support.
* wcsmbs/test-wmemchr.c: New File.
* wcsmbs/Makefile (strop-tests): Add wmemchr.
* benchtests/bench-memchr.c: Add wmemchr support.
* benchtests/bench-wmemchr.c: New File.
* benchtests/Makefile (wcsmbs-bench): wmemchr.
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