[coreboot] rfc - gcc builtins and memset memcpy memmove memcmp

Peter Stuge peter at stuge.se
Fri Sep 10 23:23:21 CEST 2010

Scott Duplichan wrote:
> for AMD processors rep movs and rep stos performance is not great,
> though better than a byte loop.

Intel 386-Pentium is when I last did performance critical code like
this. 32-bit mov,mov,add,add,dec ecx,jnz was the standard back then.
rep for size optimization, but not performance.


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