[X86] Legalize 128/256 gathers/scatters on KNL by using widening rather than sign extending the index.
We can just widen the vectors with undef and zero extend the mask.
llvm-svn: 322308
[X86] Legalize 128/256 gathers/scatters on KNL by using widening rather than… craig.topper on Jan 11 2018, 11:38 AM. Authored by Tags None Subscribers None
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