RFC: [ARM] Disable peeling

Jan Hubicka hubicka@ucw.cz
Mon Dec 10 17:11:00 GMT 2012


> 
> I agree that this is a sledgehammer.  If aligned/unaligned loads/stores have
> the same cost then reflect that in the vectorized stmt cost hook.  If that
> alone does not prevent peeling for alignment to happen then the fix is to
> not consider doing peeling for alignment if aligned/unaligned costs are the
> same, not adding a new hook.

Note that I think Core has similar characteristics - at least for string operations
it fares well with unalignes accesses.

Honza



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