diff options
| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2015-08-26 10:26:23 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-08-26 10:26:23 +0200 |
| commit | f40132d4bda984479bac89dfcd6968e9ff56e088 (patch) | |
| tree | 05b76d284b6eb493ab479501b63672f2aa94c42e /sysdeps/s390/multiarch/strrchr.c | |
| parent | d23d4ef19f1f5463745f2af205acb8c4975fd680 (diff) | |
| download | glibc-f40132d4bda984479bac89dfcd6968e9ff56e088.zip glibc-f40132d4bda984479bac89dfcd6968e9ff56e088.tar.gz glibc-f40132d4bda984479bac89dfcd6968e9ff56e088.tar.bz2 | |
S390: Optimize strrchr and wcsrchr.
This patch provides optimized versions of strrchr and wcsrchr with the z13
vector instructions.
ChangeLog:
* sysdeps/s390/multiarch/strrchr-c.c: New File.
* sysdeps/s390/multiarch/strrchr-vx.S: Likewise.
* sysdeps/s390/multiarch/strrchr.c: Likewise.
* sysdeps/s390/multiarch/wcsrchr-c.c: Likewise.
* sysdeps/s390/multiarch/wcsrchr-vx.S: Likewise.
* sysdeps/s390/multiarch/wcsrchr.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strrchr and
wcsrchr functions.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add ifunc test for strrchr, wcsrchr.
* benchtests/bench-wcsrchr.c: New File.
* benchtests/Makefile (wcsmbs-bench): Add wcsrchr.
Diffstat (limited to 'sysdeps/s390/multiarch/strrchr.c')
| -rw-r--r-- | sysdeps/s390/multiarch/strrchr.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/strrchr.c b/sysdeps/s390/multiarch/strrchr.c new file mode 100644 index 0000000..5de0381 --- /dev/null +++ b/sysdeps/s390/multiarch/strrchr.c @@ -0,0 +1,28 @@ +/* Multiple versions of strrchr. + 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 <string.h> +# include <ifunc-resolve.h> + +s390_vx_libc_ifunc2 (__strrchr, strrchr) +weak_alias (strrchr, rindex) + +#else +# include <string/strrchr.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ |