[turbofan][arm64] Match fneg for -0.0 - x pattern.
authorbaptiste.afsa <baptiste.afsa@arm.com>
Fri, 27 Mar 2015 08:32:19 +0000 (01:32 -0700)
committerCommit bot <commit-bot@chromium.org>
Fri, 27 Mar 2015 08:32:30 +0000 (08:32 +0000)
commitfe7441225100660d01e66ce3bcaefe368f62df81
tree0a19c80b9cab871b4d8ce703d36d5a6984e024d5
parentc293448f3e548a0c8e1e5daa3ba6601c0c380574
[turbofan][arm64] Match fneg for -0.0 - x pattern.

Note that this patch add an extra bit to the ArchOpcodeField.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1013743006

Cr-Commit-Position: refs/heads/master@{#27494}
src/compiler/arm64/code-generator-arm64.cc
src/compiler/arm64/instruction-codes-arm64.h
src/compiler/arm64/instruction-selector-arm64.cc
src/compiler/instruction-codes.h
test/unittests/compiler/arm64/instruction-selector-arm64-unittest.cc