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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 | f21216015b7395c535abc01b9585a1ae3ceaa132 (patch) | |
| tree | 94ac5b73f2e9b895c875e7916a2b664bb13a8197 /benchtests | |
| parent | 2e9e166761fed5dfaa53480412bef0656f1b5306 (diff) | |
| download | glibc-f21216015b7395c535abc01b9585a1ae3ceaa132.tar.gz glibc-f21216015b7395c535abc01b9585a1ae3ceaa132.tar.xz glibc-f21216015b7395c535abc01b9585a1ae3ceaa132.zip | |
S390: Optimize wmemcmp.
This patch provides optimized version of wmemcmp with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/wmemcmp-c.c: New File. * sysdeps/s390/multiarch/wmemcmp-vx.S: Likewise. * sysdeps/s390/multiarch/wmemcmp.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add wmemcmp functions. * sysdeps/s390/multiarch/ifunc-impl-list-common.c (__libc_ifunc_impl_list_common): Add ifunc test for wmemcmp. * benchtests/bench-wmemcmp.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wmemcmp.
Diffstat (limited to 'benchtests')
| -rw-r--r-- | benchtests/Makefile | 2 | ||||
| -rw-r--r-- | benchtests/bench-wmemcmp.c | 20 |
2 files changed, 21 insertions, 1 deletions
diff --git a/benchtests/Makefile b/benchtests/Makefile index 28a517060b..dc2a5df1da 100644 --- a/benchtests/Makefile +++ b/benchtests/Makefile @@ -38,7 +38,7 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \ strcoll wcsmbs-bench := wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \ wcscmp wcsncmp wcschr wcschrnul wcsrchr wcsspn wcspbrk wcscspn \ - wmemchr wmemset + wmemchr wmemset wmemcmp string-bench-all := $(string-bench) ${wcsmbs-bench} # We have to generate locales diff --git a/benchtests/bench-wmemcmp.c b/benchtests/bench-wmemcmp.c new file mode 100644 index 0000000000..8b33f89f88 --- /dev/null +++ b/benchtests/bench-wmemcmp.c @@ -0,0 +1,20 @@ +/* Measure wmemcmp 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 "bench-memcmp.c" |