Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: f183c6f7def48691da72f849e47a0e5cf91edc3b
https://github.com/WebKit/WebKit/commit/f183c6f7def48691da72f849e47a0e5cf91edc3b
Author: Yusuke Suzuki <[email protected]>
Date: 2025-09-25 (Thu, 25 Sep 2025)
Changed paths:
M Source/JavaScriptCore/b3/B3AbstractHeapRepository.cpp
M Source/JavaScriptCore/b3/B3AbstractHeapRepository.h
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
Log Message:
-----------
[JSC] Attach WebAssemblyMemory AbstractHeap to wasm memory access
https://bugs.webkit.org/show_bug.cgi?id=299502
rdar://161291685
Reviewed by Keith Miller.
This patch adds simple WebAssemblyMemory AbstractHeap to wasm memory
access. Currently we are not doing detailed address analysis, and it is
just categorizing heap access as WebAssemblyMemory. Still this is good
since we can isolate these access from the other memory accesses.
WebAssemblyMemory is the alias to TypedArrayProperties as both can be
the same backing store.
* Source/JavaScriptCore/b3/B3AbstractHeapRepository.cpp:
(JSC::B3::AbstractHeapRepository::AbstractHeapRepository):
* Source/JavaScriptCore/b3/B3AbstractHeapRepository.h:
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileAtomicsReadModifyWrite):
(JSC::FTL::DFG::LowerDFGToB3::compilePutByVal):
(JSC::FTL::DFG::LowerDFGToB3::emitNewTypedArrayWithSize):
(JSC::FTL::DFG::LowerDFGToB3::compileCompareStrictEq):
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp:
(JSC::Wasm::OMGIRGenerator::emitLoadOp):
(JSC::Wasm::OMGIRGenerator::emitStoreOp):
(JSC::Wasm::OMGIRGenerator::emitAtomicLoadOp):
(JSC::Wasm::OMGIRGenerator::emitAtomicStoreOp):
(JSC::Wasm::OMGIRGenerator::emitAtomicBinaryRMWOp):
(JSC::Wasm::OMGIRGenerator::emitAtomicCompareExchange):
(JSC::Wasm::OMGIRGenerator::addSIMDLoad):
(JSC::Wasm::OMGIRGenerator::addSIMDStore):
(JSC::Wasm::OMGIRGenerator::addSIMDLoadSplat):
(JSC::Wasm::OMGIRGenerator::addSIMDLoadLane):
(JSC::Wasm::OMGIRGenerator::addSIMDStoreLane):
(JSC::Wasm::OMGIRGenerator::addSIMDLoadExtend):
(JSC::Wasm::OMGIRGenerator::addSIMDLoadPad):
Canonical link: https://commits.webkit.org/300499@main
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