[Webkit-unassigned] [Bug 170850] New: LinearScan::buildIntervals() could use liveness constraints to speeds up its analysis if those constraints separated the late actions of one instruction from the early actions of the next
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Apr 14 09:43:59 PDT 2017
https://bugs.webkit.org/show_bug.cgi?id=170850
Bug ID: 170850
Summary: LinearScan::buildIntervals() could use liveness
constraints to speeds up its analysis if those
constraints separated the late actions of one
instruction from the early actions of the next
Product: WebKit
Version: WebKit Nightly Build
Hardware: All
OS: All
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: fpizlo at apple.com
I think this could make linear scan take up to 20% less time, which would lead to maybe a 5% improvement on -O1 compile times.
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