movmem pattern and missed alignment

[Eric Botcazou]

> That's correct, I was explaining from the middle-end perspective.  There
> we are consciously more lenient as we have to support the real world and
> other languages than C.  This is one of the cases.

This had worked as Paul expects until GCC 4.4 IIRC and this was perfectly OK 
for every language on strict-alignment platforms.  This was changed only 
because of SSE on x86.

-- 
Eric Botcazou