[PATCH] D11289: [X86] Widen the 'AND' mask if doing so shrinks the encoding size

[Chandler Carruth]

chandlerc accepted this revision.
chandlerc added a comment.
This revision is now accepted and ready to land.

LGTM

I'd just leave the code as is.

If you can come up with tests that would tickle the int64_t and int8_t case, it'd be nice to add those.


http://reviews.llvm.org/D11289