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| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2015-08-26 10:26:21 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-08-26 10:26:21 +0200 |
| commit | b3a0c176d1185621c4dd2bb3a51ec961bdb29123 (patch) | |
| tree | f8eebf88cc8fc83747864ac8c3d2bdc174db84f2 /wcsmbs | |
| parent | d183b96ee6dc694e95f212c9272a178163351b19 (diff) | |
| download | glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.zip glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.tar.gz glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.tar.bz2 | |
S390: Optimize stpncpy and wcpncpy.
This patch provides optimized versions of stpncpy and wcpncpy with the z13
vector instructions.
ChangeLog:
* sysdeps/s390/multiarch/stpncpy-c.c: New File.
* sysdeps/s390/multiarch/stpncpy-vx.S: Likewise.
* sysdeps/s390/multiarch/stpncpy.c: Likewise.
* sysdeps/s390/multiarch/wcpncpy-c.c: Likewise.
* sysdeps/s390/multiarch/wcpncpy-vx.S: Likewise.
* sysdeps/s390/multiarch/wcpncpy.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpncpy and
wcpncpy functions.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add ifunc test for stpncpy, wcpncpy.
* wcsmbs/wcpncpy.c: Use WCPNCPY if defined.
* string/test-stpncpy.c: Add wcpncpy support.
* wcsmbs/test-wcpncpy.c: New File.
* wcsmbs/Makefile (strop-tests): Add wcpncpy.
* benchtests/bench-stpncpy.c: Add wcpncpy support.
* benchtests/bench-wcpncpy.c: New File.
* benchtests/Makefile (wcsmbs-bench): Add wcpncpy.
Diffstat (limited to 'wcsmbs')
| -rw-r--r-- | wcsmbs/Makefile | 2 | ||||
| -rw-r--r-- | wcsmbs/test-wcpncpy.c | 20 | ||||
| -rw-r--r-- | wcsmbs/wcpncpy.c | 5 |
3 files changed, 26 insertions, 1 deletions
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile index 426eab0..1d07c51 100644 --- a/wcsmbs/Makefile +++ b/wcsmbs/Makefile @@ -43,7 +43,7 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \ mbrtoc16 c16rtomb strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \ - wcpcpy wcsncpy + wcpcpy wcsncpy wcpncpy 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-wcpncpy.c b/wcsmbs/test-wcpncpy.c new file mode 100644 index 0000000..de302b4 --- /dev/null +++ b/wcsmbs/test-wcpncpy.c @@ -0,0 +1,20 @@ +/* Test wcpncpy 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-stpncpy.c" diff --git a/wcsmbs/wcpncpy.c b/wcsmbs/wcpncpy.c index 98c77a5..e19e44c 100644 --- a/wcsmbs/wcpncpy.c +++ b/wcsmbs/wcpncpy.c @@ -18,6 +18,9 @@ #include <wchar.h> +#ifdef WCPNCPY +# define __wcpncpy WCPNCPY +#endif /* Copy no more than N wide-characters of SRC to DEST, returning the address of the last character written into DEST. */ @@ -82,4 +85,6 @@ __wcpncpy (dest, src, n) return dest - 1; } +#ifndef WCPNCPY weak_alias (__wcpncpy, wcpncpy) +#endif |