[x64] Recognize zero extension of 8-bit and 16-bit values.
authorbmeurer <bmeurer@chromium.org>
Wed, 18 Feb 2015 07:06:03 +0000 (23:06 -0800)
committerCommit bot <commit-bot@chromium.org>
Wed, 18 Feb 2015 07:06:16 +0000 (07:06 +0000)
commit39515a685af37f4b979152d4d06f91d7cefdc0be
treeed2fe4616227e4d18fdc36084c890c5a7f44fdcc
parent52a23441be38debb04b7d48d4647cb23127d1f4d
[x64] Recognize zero extension of 8-bit and 16-bit values.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/938513003

Cr-Commit-Position: refs/heads/master@{#26712}
src/compiler/x64/code-generator-x64.cc
src/compiler/x64/instruction-selector-x64.cc
test/unittests/compiler/x64/instruction-selector-x64-unittest.cc