epertoso 06cde13e7c [turbofan/x64] Load word64 followed by a shift right 32 -> load (and sign-extend if necessary) high 32bit. ... We were missing this optimization in a few cases because TruncateInt64ToInt32 was also interfering. Also removed the equivalent from simplified-lowering.cc, as the arm64 instruction selector has a similar optimization. R=jarin@chromium.org Review-Url: https://codereview.chromium.org/2252333002 Cr-Commit-Position: refs/heads/master@{#38711}		2016-08-18 11:24:56 +00:00
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instruction-selector-x64-unittest.cc	[turbofan/x64] Load word64 followed by a shift right 32 -> load (and sign-extend if necessary) high 32bit.	2016-08-18 11:24:56 +00:00