Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 3ceb0bbb219d9b6952d2ddc24c0a5c7b35c6c531
https://github.com/WebKit/WebKit/commit/3ceb0bbb219d9b6952d2ddc24c0a5c7b35c6c531
Author: Yusuke Suzuki <[email protected]>
Date: 2025-05-06 (Tue, 06 May 2025)
Changed paths:
M Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h
M Source/JavaScriptCore/dfg/DFGValueRepReductionPhase.cpp
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
Log Message:
-----------
[JSC] Always use sub64 / add64 with FPR in 64bit JIT
https://bugs.webkit.org/show_bug.cgi?id=292587
rdar://150737978
Reviewed by Yijia Huang.
This patch adds sub64 implementation for x86_64 SSE so that we do not
need to have some guard in DFGValueRepReductionPhase.
* Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h:
(JSC::MacroAssemblerX86_64::sub64):
* Source/JavaScriptCore/dfg/DFGValueRepReductionPhase.cpp:
(JSC::DFG::ValueRepReductionPhase::convertValueRepsToUnboxed):
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::unboxDoubleAsDouble):
Canonical link: https://commits.webkit.org/294583@main
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