[LLVMdev] AVX2 in 3.2

[Nadav Rotem]

Hi David, 

There were many changes. For example, efficient lowering of vector casts (trunc, zext, sext), simplified vblend patterns, shuffle patterns, AVX2 gathers, just to name a few.   

Nadav

On Jan 7, 2013, at 12:13 PM, dag at cray.com wrote:

> The 3.2 release notes mention "Small codegen optimizations, especially
> for AVX2."  Can someone provide a little more information about that?
> What kinds of things were improved for AVX2?
> 
> Thanks!
> 
>                          -David
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