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| author | H.J. Lu <hongjiu.lu@intel.com> | 2009-07-02 03:39:03 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-07-02 03:39:03 -0700 |
| commit | ab6a873fe07b8ded403bc5a5ca73be5d04820d61 (patch) | |
| tree | 82c30accc8655738ef1831579a1d3c1e93270cf2 /string/strncpy.c | |
| parent | 6cbbaa50aac809ad6e0692247876c82d58e466bf (diff) | |
| download | glibc-ab6a873fe07b8ded403bc5a5ca73be5d04820d61.tar.gz glibc-ab6a873fe07b8ded403bc5a5ca73be5d04820d61.tar.xz glibc-ab6a873fe07b8ded403bc5a5ca73be5d04820d61.zip | |
SSSE3 strcpy/stpcpy for x86-64
This patch adds SSSE3 strcpy/stpcpy. I got up to 4X speed up on Core 2 and Core i7. I disabled it on Atom since SSSE3 version is slower for shorter (<64byte) data.
Diffstat (limited to 'string/strncpy.c')
| -rw-r--r-- | string/strncpy.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/string/strncpy.c b/string/strncpy.c index f32612e1cf..2274d7d31e 100644 --- a/string/strncpy.c +++ b/string/strncpy.c @@ -21,11 +21,12 @@ #undef strncpy +#ifndef STRNCPY +#define STRNCPY strncpy +#endif + char * -strncpy (s1, s2, n) - char *s1; - const char *s2; - size_t n; +STRNCPY (char *s1, const char *s2, size_t n) { reg_char c; char *s = s1; |