[PATCH] D27692: [x86] use a single shufps when it can save instructions

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Dec 13 10:00:33 PST 2016

spatel added a comment.

There's a summary of Agner's findings on this here:
...it seems the cross-domain bubble does not actually exist in a lot of common cases (or it's hard to measure).


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