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Revert "[csa] disable CSA re-scheduling"

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This reverts commit 270437fd7a.

Reason for revert: Performance regressions look ok, and we need the change going forward.

Original change's description:
> [csa] disable CSA re-scheduling
> 
> Disable CSA re-scheduling for the branch point, to address performance
> regressions.
> 
> Bug: chromium:907011
> Change-Id: I608ae23c20d8e1dd9a233dcb2d3f4ab4d8a5241e
> Reviewed-on: https://chromium-review.googlesource.com/c/1351009
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#57930}

TBR=mstarzinger@chromium.org,jarin@chromium.org,tebbi@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: chromium:907011
Change-Id: I322f6f3bdd6e833a2a546025995ecdc823961804
Reviewed-on: https://chromium-review.googlesource.com/c/1358513
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58017}
This commit is contained in:
Tobias Tebbi 2018-12-03 13:47:47 +00:00 committed by Commit Bot
parent 3d80831d02
commit 9c875d3ea4
1 changed files with 1 additions and 1 deletions
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2
src/flag-definitions.h
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@ -437,7 +437,7 @@ DEFINE_BOOL(trace_verify_csa, false, "trace code stubs verification")
DEFINE_STRING(csa_trap_on_node, nullptr,
"trigger break point when a node with given id is created in "
"given stub. The format is: StubName,NodeId")
DEFINE_BOOL_READONLY(optimize_csa, false,
DEFINE_BOOL_READONLY(optimize_csa, true,
"run the optimizing Turbofan backend in the CSA pipeline")
DEFINE_NEG_IMPLICATION(optimize_csa, turbo_rewrite_far_jumps)
DEFINE_BOOL_READONLY(fixed_array_bounds_checks, DEBUG_BOOL,