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Improve 64bit memcpy/memmove for Atom, Core 2 and Core i7

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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.
This commit is contained in:
H.J. Lu
2010-06-30 08:26:11 -07:00
committed by Ulrich Drepper
parent d85f8ff667
commit 6fb8cbcb58
21 changed files with 6681 additions and 10 deletions
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5
string/memmove.c
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@ -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;