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authorH.J. Lu <hongjiu.lu@intel.com>2010-06-30 08:26:11 -0700
committerUlrich Drepper <drepper@redhat.com>2010-06-30 08:26:11 -0700
commit6fb8cbcb58a29fff73eb2101b34caa19a7f88eba (patch)
tree3a39ddec3a6cf66f8541c6591dbe4017136580f0 /string
parentd85f8ff66711fd3b1c5753330499c7403fa46d81 (diff)
downloadglibc-6fb8cbcb58a29fff73eb2101b34caa19a7f88eba.tar.gz
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Improve 64bit memcpy/memmove for Atom, Core 2 and Core i7
This patch includes optimized 64bit memcpy/memmove for Atom, Core 2 and
Core i7.  It improves memcpy by up to 3X on Atom, up to 4X on Core 2 and
up to 1X on Core i7.  It also improves memmove by up to 3X on Atom, up to
4X on Core 2 and up to 2X on Core i7.
Diffstat (limited to 'string')
-rw-r--r--string/memmove.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/string/memmove.c b/string/memmove.c
index 16671f7bb5..8e36e7c5a3 100644
--- a/string/memmove.c
+++ b/string/memmove.c
@@ -37,9 +37,12 @@
 #define	rettype		void *
 #endif
 
+#ifndef MEMMOVE
+#define MEMMOVE memmove
+#endif
 
 rettype
-memmove (a1, a2, len)
+MEMMOVE (a1, a2, len)
      a1const void *a1;
      a2const void *a2;
      size_t len;