[U-Boot] [PATCH] lib/string: memmove: use memcpy if it is safe to do so

[Wolfgang Denk <wd@denx.de>]

Dear Peter Korsgaard,

In message <1319789046-17715-1-git-send-email-jacmet@sunsite.dk> you wrote:
> memmove is used in a number of performance critical places, like copying the
> linux kernel from nor flash to ram, so optimizing it can be interesting.
> 
> Unfortunately, an arch specific version of memmove often isn't used, and
> not supported at all on a number of archs (arm/mips/nds32/nios2/x86) -
> But memcpy typically is.

So you are adding code, making the system even less efficient?  This
sounds to be acounter-productive approach.

Can you not instead arrange for arch specific, optimized versions
memmove() to be used?

Best regards,

Wolfgang Denk

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