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Re: [GCC RFC]A new and simple pass merging paired load store instructions


On Fri, May 16, 2014 at 12:51 PM, Richard Biener wrote:
> Btw, the bswap pass enhancements that are currently in review may
> also be an opportunity to catch these.  They can merge adjacent
> loads that are used "composed" (but not yet composed by storing
> into adjacent memory).  The basic-block vectorizer should also
> handle this (if the composition happens to be by storing into
> adjacent memory) - of course it needs vector modes available and
> it has to be enabled.

That won't work for cleaning up spill code load/reloads, which is one
of the motivations for the new pass.

Ciao!
Steven


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