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| 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 /wcsmbs/wcpncpy.c | |
| parent | d183b96ee6dc694e95f212c9272a178163351b19 (diff) | |
| download | glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.zip glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.tar.gz glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.tar.bz2 | |
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 'wcsmbs/wcpncpy.c')
| -rw-r--r-- | wcsmbs/wcpncpy.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/wcsmbs/wcpncpy.c b/wcsmbs/wcpncpy.c index 98c77a5..e19e44c 100644 --- a/wcsmbs/wcpncpy.c +++ b/wcsmbs/wcpncpy.c @@ -18,6 +18,9 @@ #include <wchar.h> +#ifdef WCPNCPY +# define __wcpncpy WCPNCPY +#endif /* Copy no more than N wide-characters of SRC to DEST, returning the address of the last character written into DEST. */ @@ -82,4 +85,6 @@ __wcpncpy (dest, src, n) return dest - 1; } +#ifndef WCPNCPY weak_alias (__wcpncpy, wcpncpy) +#endif |