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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 | 9b593dc3055d44a4179c03050be58a437ae385a1 (patch) | |
| tree | d27011625b9a9bd1c58e6af469c63c8ad63bbc08 /string | |
| parent | 88eefd344b3cf4a41284a1dfdaca61667e3a1b4b (diff) | |
| download | glibc-9b593dc3055d44a4179c03050be58a437ae385a1.zip glibc-9b593dc3055d44a4179c03050be58a437ae385a1.tar.gz glibc-9b593dc3055d44a4179c03050be58a437ae385a1.tar.bz2 | |
S390: Optimize memccpy.
This patch provides optimized versions of memccpy with the z13 vector
instructions.
ChangeLog:
* sysdeps/s390/multiarch/memccpy-c.c: New File.
* sysdeps/s390/multiarch/memccpy-vx.S: Likewise.
* sysdeps/s390/multiarch/memccpy.c: Likewise.
* sysdeps/s390/multiarch/Makefile
(sysdep_routines): Add memccpy functions.
* sysdeps/s390/multiarch/ifunc-impl-list-common.c
(__libc_ifunc_impl_list_common): Add ifunc test for memccpy.
* string/memccpy.c: Use MEMCCPY if defined.
Diffstat (limited to 'string')
| -rw-r--r-- | string/memccpy.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/string/memccpy.c b/string/memccpy.c index 0987c84..f10dafd 100644 --- a/string/memccpy.c +++ b/string/memccpy.c @@ -20,6 +20,10 @@ #undef __memccpy #undef memccpy +#ifdef MEMCCPY +# define __memccpy MEMCCPY +#endif + /* Copy no more than N bytes of SRC to DEST, stopping when C is found. Return the position in DEST one byte past where C was copied, or NULL if C was not found in the first N bytes of SRC. */ |