[PATCH] sh4: use optimized asm version of memcpy - add config option to support backward copying

Carmelo AMOROSO carmelo.amoroso at st.com
Tue Sep 9 16:54:30 UTC 2008


Paul Mundt wrote:
> On Mon, May 28, 2007 at 02:44:47PM +0200, Carmelo Amoroso wrote:
>>> I've updated the previous patch to keep into account both suggestions 
>>> made by Mike and Paul.
>>> A brief explanation of the changes follows:
>>>
>> did you have time to look at this ?
>>
>> If accepted, may reduce a bit the diff from sh4 port and trunk.
>> This ode is currently used on nptl/sh4 port.
>>
> The updated version looks fine to me.
> 
Applied in rev 23370 with a minor modification.
_wordcopy_fwd_aligned and _wordcopy_fwd_dest_aligned moved form memcpy.c
file to an internal C file (_memcpy_fwd.c) to silent compiler for 
defined but unused symbol.

Carmelo




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