tree 68e8d8c2fd45ffecc82e55ad4087ab048de0629e
parent 25d0ae23049be288fc16bae66f1380a64a6bc92b
author Alexander Markov <alexmarkov@google.com> 1630024426 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1630024426 +0000

[vm] Faster double.floorToDouble/ceilToDouble/truncateToDouble/roundToDouble in AOT mode

This change replaces graph intrinsics and call specializer code for
certain _Double methods with a body created in FlowGraphBuilder.

double.floorToDouble micro-benchmark on AOT/x64:
Before BenchFloorToDouble(RunTime): 642.3240205523442 us.
After: BenchFloorToDouble(RunTime): 268.0320289466631 us.

double.floor micro-benchmark on AOT/x64:
Before BenchFloor(RunTime): 760.7630277672118 us.
After: BenchFloor(RunTime): 537.2132688691916 us.

TEST=ci
Issue: https://github.com/dart-lang/sdk/issues/46650
Change-Id: I47f5d8a1bdc0f71965ad1763c7bc46540428c6cd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/210652
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>