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 | d183b96ee6dc694e95f212c9272a178163351b19 (patch) | |
| tree | 2e18608e48780f04987a3f3f58c3f997c4f5cc60 /wcsmbs/wcsncpy.c | |
| parent | 8ade3db78db17e0112648d302f98eda115949cd5 (diff) | |
| download | glibc-d183b96ee6dc694e95f212c9272a178163351b19.zip glibc-d183b96ee6dc694e95f212c9272a178163351b19.tar.gz glibc-d183b96ee6dc694e95f212c9272a178163351b19.tar.bz2 | |
S390: Optimize strncpy and wcsncpy.
This patch provides optimized versions of strncpy and wcsncpy with the z13
vector instructions.
ChangeLog:
* sysdeps/s390/multiarch/strncpy-vx.S: New File.
* sysdeps/s390/multiarch/strncpy.c: Likewise.
* sysdeps/s390/multiarch/wcsncpy-c.c: Likewise.
* sysdeps/s390/multiarch/wcsncpy-vx.S: Likewise.
* sysdeps/s390/multiarch/wcsncpy.c: Likewise.
* sysdeps/s390/s390-32/multiarch/strncpy.c: Likewise.
* sysdeps/s390/s390-64/multiarch/strncpy.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strncpy and
wcsncpy functions.
* wcsmbs/wcsncpy.c: Use WCSNCPY if defined.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add ifunc test for strncpy, wcsncpy.
* string/test-strncpy.c: Add wcsncpy support.
* wcsmbs/test-wcsncpy.c: New File.
* wcsmbs/Makefile (strop-tests): Add wcsncpy.
* benchtests/bench-strncpy.c: Add wcsncpy support.
* benchtests/bench-wcsncpy.c: New File.
* benchtests/Makefile (wcsmbs-bench): Add wcsncpy
Diffstat (limited to 'wcsmbs/wcsncpy.c')
| -rw-r--r-- | wcsmbs/wcsncpy.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/wcsmbs/wcsncpy.c b/wcsmbs/wcsncpy.c index 7016f41..5ee5ee6 100644 --- a/wcsmbs/wcsncpy.c +++ b/wcsmbs/wcsncpy.c @@ -18,6 +18,9 @@ #include <wchar.h> +#ifdef WCSNCPY +# define __wcsncpy WCSNCPY +#endif /* Copy no more than N wide-characters of SRC to DEST. */ wchar_t * @@ -83,4 +86,6 @@ __wcsncpy (dest, src, n) return s; } +#ifndef WCSNCPY weak_alias (__wcsncpy, wcsncpy) +#endif |