[Webkit-unassigned] [Bug 196578] New: B3 peephole optimizations should live in their own file, and be used by FTLOutput.cpp
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Apr 3 16:44:30 PDT 2019
https://bugs.webkit.org/show_bug.cgi?id=196578
Bug ID: 196578
Summary: B3 peephole optimizations should live in their own
file, and be used by FTLOutput.cpp
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: rmorisset at apple.com
Currently, the peephole optimizations are part of B3ReduceStrength.
I plan to make it possible to run them on the fly as we create new values and put them in their own file (form which they will be publicly visible) so that FTLOutput.h can call them directly.
This should help feed B3 some leaner/faster to compile code.
In the long term, this refactoring should also help create an abstract interpreter that also calls these peephole optimizations, feeding them extra information.
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