On Thu, May 31, 2018 at 10:24 AM, Matt Turner <[email protected]> wrote:
> On Thu, May 24, 2018 at 2:56 PM, Jason Ekstrand <[email protected]> > wrote: > > From: Francisco Jerez <[email protected]> > > > > Reviewed-by: Jason Ekstrand <[email protected]> > > Some small explanation that this is possible since we're able to rely > on lower_simd_width() to do the hard work for us might be nice. > The original code manually handled splitting the MOVs to 8-wide to handle various regioning restrictions. Now that we have a SIMD width splitting pass that handles these things, we can just emit everything at the full width and let the SIMD splitting pass handle it. We also now have a useful "subscript" helper which is designed exactly for the case where you want to take a W type and read it as a vector of Bs so we may as well use that too.
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