Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: b70d98cee1b977aa3f3e1e57ce6fe57ce4c1b75f
https://github.com/WebKit/WebKit/commit/b70d98cee1b977aa3f3e1e57ce6fe57ce4c1b75f
Author: Yusuke Suzuki <[email protected]>
Date: 2025-03-16 (Sun, 16 Mar 2025)
Changed paths:
M Source/JavaScriptCore/assembler/testmasm.cpp
M Source/JavaScriptCore/dfg/DFGNode.h
M Source/JavaScriptCore/dfg/DFGSpeculativeJIT.h
M Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
M Source/JavaScriptCore/jit/AssemblyHelpers.h
Log Message:
-----------
[JSC] Int52Rep should be aware of NodeBytecodeNeedsNegZero
https://bugs.webkit.org/show_bug.cgi?id=289865
rdar://147147115
Reviewed by Yijia Huang.
We can use NodeBytecodeNeedsNegZero information when converting double
to Int52 when Int52Rep is marked as NodeBytecodeNeedsNegZero.
* Source/JavaScriptCore/assembler/testmasm.cpp:
(JSC::testBranchConvertDoubleToInt52):
* Source/JavaScriptCore/dfg/DFGNode.h:
(JSC::DFG::Node::arithNodeFlags):
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT.h:
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp:
(JSC::DFG::SpeculativeJIT::compile):
(JSC::DFG::SpeculativeJIT::convertAnyInt):
(JSC::DFG::SpeculativeJIT::speculateAnyInt):
(JSC::DFG::SpeculativeJIT::speculateDoubleRepAnyInt):
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileInt52Rep):
(JSC::FTL::DFG::LowerDFGToB3::compileCompareStrictEq):
* Source/JavaScriptCore/jit/AssemblyHelpers.h:
(JSC::AssemblyHelpers::branchConvertDoubleToInt52):
Canonical link: https://commits.webkit.org/292253@main
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