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| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2015-08-26 10:26:25 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-08-26 10:26:25 +0200 |
| commit | 2e9e166761fed5dfaa53480412bef0656f1b5306 (patch) | |
| tree | 3533f977b8b80458051ec0c33b23e961a6a556da /sysdeps/s390/multiarch/wmemset.c | |
| parent | 9b593dc3055d44a4179c03050be58a437ae385a1 (diff) | |
| download | glibc-2e9e166761fed5dfaa53480412bef0656f1b5306.tar.gz | |
S390: Optimize wmemset.
This patch provides optimized version of wmemset with the z13 vector
instructions.
ChangeLog:
* sysdeps/s390/multiarch/wmemset-c.c: New File.
* sysdeps/s390/multiarch/wmemset-vx.S: Likewise.
* sysdeps/s390/multiarch/wmemset.c: Likewise.
* sysdeps/s390/multiarch/Makefile
(sysdep_routines): Add wmemset functions.
* sysdeps/s390/multiarch/ifunc-impl-list-common.c
(__libc_ifunc_impl_list_common): Add ifunc test for wmemset.
* wcsmbs/wmemset.c: Use WMEMSET if defined.
* string/test-memset.c: Add wmemset support.
* wcsmbs/test-wmemset.c: New File.
* wcsmbs/Makefile (strop-tests): Add wmemset.
* benchtests/bench-memset.c: Add wmemset support.
* benchtests/bench-wmemset.c: New File.
* benchtests/Makefile (wcsmbs-bench): Add wmemset.
Diffstat (limited to 'sysdeps/s390/multiarch/wmemset.c')
| -rw-r--r-- | sysdeps/s390/multiarch/wmemset.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/wmemset.c b/sysdeps/s390/multiarch/wmemset.c new file mode 100644 index 0000000000..884fea932c --- /dev/null +++ b/sysdeps/s390/multiarch/wmemset.c @@ -0,0 +1,29 @@ +/* Multiple versions of wmemset. + 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/>. */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) +# include <wchar.h> +# include <ifunc-resolve.h> + +s390_vx_libc_ifunc (__wmemset) +weak_alias (__wmemset, wmemset) +libc_hidden_weak (wmemset) + +#else +# include <wcsmbs/wmemset.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ |