| commit | bfa890dcd1d735c5d227aa0fe803bcc594b801f6 | [log] [tgz] |
|---|---|---|
| author | Aart Bik <ajcbik@google.com> | Fri Aug 03 19:49:56 2018 +0000 |
| committer | commit-bot@chromium.org <commit-bot@chromium.org> | Fri Aug 03 19:49:56 2018 +0000 |
| tree | 8554e49fbe456727e806de38473111978a52ade1 | |
| parent | 92a70946b07402ee6512e59a25821fa73dfc1dff [diff] |
[vm/compiler] Various 64-bit operator improvements. Rationale: Improves the slow path of 64-bit REM/TRUNCDIV on X64 and ARM64. Also introduces 64-bit negate operator, which was needed to expose negative contants (viz. x / -3 was represented as x / - (3) first). The negate operator is not recognized in AOT mode yet, since shifts by out-of-range constants should learn how to throw rather than deopt.... https://github.com/dart-lang/sdk/issues/33967 https://github.com/flutter/flutter/issues/19677 Change-Id: I7d81c9b1c72d99e8c4018f68c0501c7b599e073f Reviewed-on: https://dart-review.googlesource.com/68280 Commit-Queue: Aart Bik <ajcbik@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com> Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
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