commit | 9b017a1cedb3b3004fba401ccda306aa94ee9613 | [log] [tgz] |
---|---|---|
author | Aart Bik <ajcbik@google.com> | Tue May 21 18:29:06 2019 +0000 |
committer | commit-bot@chromium.org <commit-bot@chromium.org> | Tue May 21 18:29:06 2019 +0000 |
tree | 8a4fedbc13402ae7c6a4ee34346cf26f53df4195 | |
parent | 2b6b0e00d9e55d10f85ab60e42d1f5a42eaef12f [diff] |
[dart/vm] Peephole optimizer (window size one) on stack code Rationale: A basic peephole optimizer with window size one that avoids redundant push-pop sequences already results is substantial savings in code size and runtime, without any noticeable impact on compile time (the peephole is very, very fast). Performance: Golem unoptimized code (which typically runs -90% compared to optimized code, sees 5-60% improvements https://github.com/dart-lang/sdk/issues/36409 Change-Id: I08db4b3dbc92377d89340a4969db6e664e54bceb Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102980 Commit-Queue: Aart Bik <ajcbik@google.com> Reviewed-by: Vyacheslav Egorov <vegorov@google.com> Reviewed-by: Ryan Macnak <rmacnak@google.com>
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