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| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2015-08-26 10:26:24 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-08-26 10:26:24 +0200 |
| commit | 88eefd344b3cf4a41284a1dfdaca61667e3a1b4b (patch) | |
| tree | e6df6d058a7fe251cadaed11918374df46ca7bb9 /wcsmbs | |
| parent | b4c21601b147efc3c2b0e679e4ffc554b3987f0b (diff) | |
| download | glibc-88eefd344b3cf4a41284a1dfdaca61667e3a1b4b.zip glibc-88eefd344b3cf4a41284a1dfdaca61667e3a1b4b.tar.gz glibc-88eefd344b3cf4a41284a1dfdaca61667e3a1b4b.tar.bz2 | |
S390: Optimize memchr, rawmemchr and wmemchr.
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.
Diffstat (limited to 'wcsmbs')
| -rw-r--r-- | wcsmbs/Makefile | 2 | ||||
| -rw-r--r-- | wcsmbs/test-wmemchr.c | 20 | ||||
| -rw-r--r-- | wcsmbs/wmemchr.c | 4 |
3 files changed, 25 insertions, 1 deletions
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile index 9c848ca..e8ce579 100644 --- a/wcsmbs/Makefile +++ b/wcsmbs/Makefile @@ -44,7 +44,7 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \ strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \ wcpcpy wcsncpy wcpncpy wcscat wcsncat wcschrnul wcsspn wcspbrk \ - wcscspn + wcscspn wmemchr tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \ tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2 \ tst-c16c32-1 wcsatcliff $(addprefix test-,$(strop-tests)) diff --git a/wcsmbs/test-wmemchr.c b/wcsmbs/test-wmemchr.c new file mode 100644 index 0000000..90c7f68 --- /dev/null +++ b/wcsmbs/test-wmemchr.c @@ -0,0 +1,20 @@ +/* Test wmemchr functions. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define WIDE 1 +#include "../string/test-memchr.c" diff --git a/wcsmbs/wmemchr.c b/wcsmbs/wmemchr.c index 266950c..9e8d57b 100644 --- a/wcsmbs/wmemchr.c +++ b/wcsmbs/wmemchr.c @@ -18,6 +18,10 @@ #include <wchar.h> +#ifdef WMEMCHR +# define __wmemchr WMEMCHR +#endif + wchar_t * __wmemchr (s, c, n) const wchar_t *s; |