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authorH.J. Lu <hongjiu.lu@intel.com>2009-07-02 03:39:03 -0700
committerUlrich Drepper <drepper@redhat.com>2009-07-02 03:39:03 -0700
commitab6a873fe07b8ded403bc5a5ca73be5d04820d61 (patch)
tree82c30accc8655738ef1831579a1d3c1e93270cf2 /string/strncpy.c
parent6cbbaa50aac809ad6e0692247876c82d58e466bf (diff)
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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.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/string/strncpy.c b/string/strncpy.c
index f32612e..2274d7d 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;