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| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2015-08-26 10:26:22 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-08-26 10:26:22 +0200 |
| commit | cee82e70ccb7b2f054cd781b0a603ae244523e72 (patch) | |
| tree | 99b03fb1acbfa34500da9dccfe80af0a9f33e022 /wcsmbs | |
| parent | 63724a6db60f98e91da474d11d83a19aa10fc54e (diff) | |
| download | glibc-cee82e70ccb7b2f054cd781b0a603ae244523e72.zip glibc-cee82e70ccb7b2f054cd781b0a603ae244523e72.tar.gz glibc-cee82e70ccb7b2f054cd781b0a603ae244523e72.tar.bz2 | |
S390: Optimize strncmp and wcsncmp.
This patch provides optimized versions of strncmp and wcsncmp with the z13
vector instructions.
ChangeLog:
* sysdeps/s390/multiarch/strncmp-c.c: New File.
* sysdeps/s390/multiarch/strncmp-vx.S: Likewise.
* sysdeps/s390/multiarch/strncmp.c: Likewise.
* sysdeps/s390/multiarch/wcsncmp-c.c: Likewise.
* sysdeps/s390/multiarch/wcsncmp-vx.S: Likewise.
* sysdeps/s390/multiarch/wcsncmp.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strncmp and
wcsncmp functions.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add ifunc test for strncmp, wcsncmp.
* wcsmbs/wcsncmp.c (WCSNCMP): Define and use macro.
* benchtests/bench-strncmp.c: Add wcsncmp support.
* benchtests/bench-wcsncmp.c: New File.
* benchtests/Makefile (wcsmbs-bench): Add wcsncmp.
Diffstat (limited to 'wcsmbs')
| -rw-r--r-- | wcsmbs/wcsncmp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/wcsmbs/wcsncmp.c b/wcsmbs/wcsncmp.c index e083ad8..4de2ca8 100644 --- a/wcsmbs/wcsncmp.c +++ b/wcsmbs/wcsncmp.c @@ -18,13 +18,16 @@ #include <wchar.h> +#ifndef WCSNCMP +# define WCSNCMP wcsncmp +#endif /* Compare no more than N characters of S1 and S2, returning less than, equal to or greater than zero if S1 is lexicographically less than, equal to or greater than S2. */ int -wcsncmp (s1, s2, n) +WCSNCMP (s1, s2, n) const wchar_t *s1; const wchar_t *s2; size_t n; |