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Re: movmem pattern and missed alignment

On Tue, 9 Oct 2018, Richard Biener wrote:
> >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.
> 
> And because we ended up ignoring all pointer casts. 

It's not quite obvious what SSE has to do with this - any hint please?

(according to my quick check this changed between gcc-4.5 and gcc-4.6)

Alexander
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