[U-Boot] [PATCH V2 0/3] make memcpy and memset faster

[Mike Frysinger]

On Thursday 08 October 2009 07:29:51 Alessandro Rubini wrote:
> Similarly, I'm not interested in "4 bytes at a time, then 1 at a time"
> as it's quite a corner case. If such optimizations are really useful,
> then we'd better have hand-crafted assembly for each arch, possibly
> lifted from glibc.

why ?  it's trivial to implement with little code impact.  have your code run 
while the len is larger than 4 (sizeof-whatever), then fall through to the 
loop that runs while the len is larger than 0 instead of immediately 
returning.
-mike
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