[webkit-changes] [WebKit/WebKit] 6def6e: [JSC] Extend DFG Loop Unrolling to accept a bit mo...
Yusuke Suzuki
noreply at github.com
Tue Dec 10 09:49:50 PST 2024
Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 6def6e74718f82f84fc17e4c46e79fb4bafc9e53
https://github.com/WebKit/WebKit/commit/6def6e74718f82f84fc17e4c46e79fb4bafc9e53
Author: Yusuke Suzuki <ysuzuki at apple.com>
Date: 2024-12-10 (Tue, 10 Dec 2024)
Changed paths:
M Source/JavaScriptCore/dfg/DFGLoopUnrollingPhase.cpp
M Source/JavaScriptCore/runtime/OptionsList.h
Log Message:
-----------
[JSC] Extend DFG Loop Unrolling to accept a bit more patterns
https://bugs.webkit.org/show_bug.cgi?id=284342
rdar://141188173
Reviewed by Yijia Huang.
This patch tweaks our Loop Unrolling a bit to apply it to the other
places.
1. ValueRep and DoubleRep should be supported. They are simple.
2. A bit tweaking paramters of Loop Unrolling. Also making them as
option value so that we can easily change it via environment
variable.
* Source/JavaScriptCore/dfg/DFGLoopUnrollingPhase.cpp:
(JSC::DFG::LoopUnrollingPhase::run):
(JSC::DFG::LoopUnrollingPhase::identifyInductionVariable):
(JSC::DFG::LoopUnrollingPhase::shouldUnrollLoop):
(JSC::DFG::LoopUnrollingPhase::isNodeCloneable):
(JSC::DFG::LoopUnrollingPhase::cloneNodeImpl):
* Source/JavaScriptCore/runtime/OptionsList.h:
Canonical link: https://commits.webkit.org/287613@main
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