Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: f9def56810e259e539cac8f9147407d0d5028561
https://github.com/WebKit/WebKit/commit/f9def56810e259e539cac8f9147407d0d5028561
Author: Keith Miller <[email protected]>
Date: 2024-07-25 (Thu, 25 Jul 2024)
Changed paths:
M Source/JavaScriptCore/assembler/AbstractMacroAssembler.h
M Source/JavaScriptCore/assembler/MacroAssemblerARM64.h
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
M Source/JavaScriptCore/llint/WebAssembly.asm
M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp
M Source/JavaScriptCore/wasm/WasmBBQJIT.h
M Source/JavaScriptCore/wasm/WasmBBQJIT32_64.cpp
M Source/JavaScriptCore/wasm/WasmBBQJIT64.cpp
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator32_64.cpp
M Source/JavaScriptCore/wasm/js/WebAssemblyFunction.cpp
Log Message:
-----------
Remove JSWebAssemblyInstance anchoring
https://bugs.webkit.org/show_bug.cgi?id=277082
rdar://problem/132492386
Reviewed by Justin Michaud and Yusuke Suzuki.
Now that Wasm::Instance has been merged with JSWebAssemblyInstance we no longer
need to anchor the JSCell for GC. This patch removes most of that unneeded code.
At the same time I made two other changes:
1) Fix a bug OMGs tail call generation where it forgot to add the old frame size
when "restoring" sp for pointer authentication.
2) Elide emitting transfer instructions when src and dest are the same.
To do this a default operator== was added to Address and BaseIndex.
* Source/JavaScriptCore/assembler/AbstractMacroAssembler.h:
* Source/JavaScriptCore/assembler/MacroAssemblerARM64.h:
(JSC::MacroAssemblerARM64::transfer32):
(JSC::MacroAssemblerARM64::transfer64):
(JSC::MacroAssemblerARM64::transferVector):
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileCompareStrictEq):
* Source/JavaScriptCore/llint/WebAssembly.asm:
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJITImpl::BBQJIT::emitIndirectCall):
(JSC::Wasm::BBQJITImpl::BBQJIT::addCallIndirect):
* Source/JavaScriptCore/wasm/WasmBBQJIT.h:
* Source/JavaScriptCore/wasm/WasmBBQJIT32_64.cpp:
(JSC::Wasm::BBQJITImpl::BBQJIT::addCallRef):
* Source/JavaScriptCore/wasm/WasmBBQJIT64.cpp:
(JSC::Wasm::BBQJITImpl::BBQJIT::addCallRef):
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp:
(JSC::Wasm::OMGIRGenerator::emitIndirectCall):
(JSC::Wasm::OMGIRGenerator::createCallPatchpoint):
(JSC::Wasm::prepareForTailCallImpl):
(JSC::Wasm::OMGIRGenerator::addCall):
(JSC::Wasm::OMGIRGenerator::addCallIndirect):
(JSC::Wasm::OMGIRGenerator::addCallRef):
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator32_64.cpp:
(JSC::Wasm::OMGIRGenerator::emitIndirectCall):
(JSC::Wasm::OMGIRGenerator::addCall):
* Source/JavaScriptCore/wasm/js/WebAssemblyFunction.cpp:
(JSC::JSC_DEFINE_HOST_FUNCTION):
(JSC::WebAssemblyFunction::jsCallEntrypointSlow):
Canonical link: https://commits.webkit.org/281356@main
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