[LLVMdev] Should more vector [zs]extloads be legal for X86 SSE4.1?

Chandler Carruth chandlerc at gmail.com
Thu Dec 4 11:14:19 PST 2014

On Thu, Dec 4, 2014 at 11:02 AM, Ahmed Bougacha <ahmed.bougacha at gmail.com>

> So I gave it a shot, but to avoid an ugly hack in X86, I tried to do
> the right thing and changed the extload legalization logic to have a
> 2D array (memory->result types, not just memory), which just seems
> like the saner thing to do:
> http://reviews.llvm.org/D6532

I think the lack of this is what caused me to give up, so, awesome!

> The X86 stuff is much simpler:
> http://reviews.llvm.org/D6533

I'll try to take a look at these soon, but the first one should get eyes
other than mine on it (Tim? Jim? Others?).
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