diff options
| 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 /sysdeps/s390/multiarch/wcpncpy.c | |
| parent | d183b96ee6dc694e95f212c9272a178163351b19 (diff) | |
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 'sysdeps/s390/multiarch/wcpncpy.c')
| -rw-r--r-- | sysdeps/s390/multiarch/wcpncpy.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/wcpncpy.c b/sysdeps/s390/multiarch/wcpncpy.c new file mode 100644 index 0000000000..e15acb7596 --- /dev/null +++ b/sysdeps/s390/multiarch/wcpncpy.c @@ -0,0 +1,28 @@ +/* Multiple versions of wcpncpy. + 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 (__wcpncpy) +weak_alias (__wcpncpy, wcpncpy) + +#else +# include <wcsmbs/wcpncpy.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ |