[PATCH] [x86] Make the x86 PACKSSWB, PACKSSDW, PACKUSWB, and PACKUSDW instructions available as synthetic SDNodes PACKSS and PACKUS that will select to the correct instruction variants based on the return type.

Filipe Cabecinhas filcab+llvm.phabricator at gmail.com
Wed Jun 4 18:02:38 PDT 2014

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Not that I'm an expert on ISel, but LGTM.

http://reviews.llvm.org/D4016

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