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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 /sysdeps/x86_64/multiarch/stpncpy.S
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 'sysdeps/x86_64/multiarch/stpncpy.S')
-rw-r--r--sysdeps/x86_64/multiarch/stpncpy.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/stpncpy.S b/sysdeps/x86_64/multiarch/stpncpy.S
new file mode 100644
index 0000000000..ff89a89491
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/stpncpy.S
@@ -0,0 +1,6 @@
+#define STRCPY __stpncpy
+#define USE_AS_STPCPY
+#define USE_AS_STRNCPY
+#include "strcpy.S"
+
+weak_alias (__stpncpy, stpncpy)