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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 /sysdeps/x86_64/multiarch/stpcpy.S | |
| 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 'sysdeps/x86_64/multiarch/stpcpy.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/stpcpy.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/stpcpy.S b/sysdeps/x86_64/multiarch/stpcpy.S new file mode 100644 index 0000000000..b63d308edc --- /dev/null +++ b/sysdeps/x86_64/multiarch/stpcpy.S @@ -0,0 +1,7 @@ +#define USE_AS_STPCPY +#define STRCPY __stpcpy +#include "strcpy.S" + +weak_alias (__stpcpy, stpcpy) +libc_hidden_def (__stpcpy) +libc_hidden_builtin_def (stpcpy) |