Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 4181ce02baf360a01779283f673d8de5c530cc2b
https://github.com/WebKit/WebKit/commit/4181ce02baf360a01779283f673d8de5c530cc2b
Author: Yusuke Suzuki <ysuz...@apple.com>
Date: 2025-04-04 (Fri, 04 Apr 2025)
Changed paths:
M Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h
M Source/JavaScriptCore/assembler/X86Assembler.h
M Source/JavaScriptCore/dfg/DFGValueRepReductionPhase.cpp
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
Log Message:
-----------
[JSC] Add boxDoubleAsDouble support in x64
https://bugs.webkit.org/show_bug.cgi?id=291058
rdar://148572491
Reviewed by Keith Miller.
Use AVX integer addition in FPRegisterID in x64 to avoid FPR and GPR
round-trip.
* Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h:
(JSC::MacroAssemblerX86_64::add64):
(JSC::MacroAssemblerX86_64::sub64):
* Source/JavaScriptCore/dfg/DFGValueRepReductionPhase.cpp:
(JSC::DFG::ValueRepReductionPhase::convertValueRepsToDouble):
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::boxDoubleAsDouble):
(JSC::FTL::DFG::LowerDFGToB3::unboxDoubleAsDouble):
Canonical link: https://commits.webkit.org/293246@main
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