Reviewers: Sven Panne,
Message:
Created Revert of [x64] Generate test reg,reg instead of cmp reg,0.
Description:
Revert of [x64] Generate test reg,reg instead of cmp reg,0. (patchset #2
id:20001 of https://codereview.chromium.org/916543004/)
Reason for revert:
Tanks some benchmarks (for no obvious reason)
Original issue's description:
[x64] Generate test reg,reg instead of cmp reg,0.
The instruction sequence is shorter and saves decoding bandwidth.
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Committed: https://crrev.com/a7fb5ed400701b22c455d0ad410bc98b211e5730
Cr-Commit-Position: refs/heads/master@{#26734}
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NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Please review this at https://codereview.chromium.org/939923003/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+2, -23 lines):
M src/compiler/x64/code-generator-x64.cc
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