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Improve memcpy. It was working correctly, but it wasted a cycle. ;-)

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svn path=/trunk/; revision=36585
This commit is contained in:
Timo Kreuzer 2008-09-28 21:50:05 +00:00
parent 36a547b4a7
commit 76bf74c7f7
1 changed files with 6 additions and 7 deletions
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3
reactos/lib/sdk/crt/mem/i386/memcpy_asm.s
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@ -24,9 +24,8 @@ _memcpy:
* Make the destination dword aligned * Make the destination dword aligned
*/ */
mov %edi,%ecx mov %edi,%ecx
neg %ecx
and $3,%ecx and $3,%ecx
sub $5,%ecx
not %ecx
sub %ecx,%edx sub %ecx,%edx
rep movsb rep movsb
mov %edx,%ecx mov %edx,%ecx