Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 6b4986c3854b7290cb9e50f6121d9d632c54ba98
https://github.com/WebKit/WebKit/commit/6b4986c3854b7290cb9e50f6121d9d632c54ba98
Author: Yusuke Suzuki <[email protected]>
Date: 2024-08-01 (Thu, 01 Aug 2024)
Changed paths:
M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp
M Source/JavaScriptCore/wasm/WasmBBQJIT.h
M Source/JavaScriptCore/wasm/WasmConstExprGenerator.cpp
M Source/JavaScriptCore/wasm/WasmFunctionParser.h
M Source/JavaScriptCore/wasm/WasmIPIntGenerator.cpp
M Source/JavaScriptCore/wasm/WasmLLIntGenerator.cpp
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator32_64.cpp
Log Message:
-----------
[JSC] Add teeLocal to wasm generators
https://bugs.webkit.org/show_bug.cgi?id=277525
rdar://133029463
Reviewed by Keith Miller.
This patch adds TeeLocal handling in wasm code generators. In LLInt, it is the
same.
1. In BBQ, we attempt to avoid loading value from the local slot.
2. In OMG, we reuse B3 Value as the result and avoid loading from the variable
slot. After the optimization, this does not matter much but it reduces use of
B3::Variable.
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJITImpl::BBQJIT::teeLocal):
* Source/JavaScriptCore/wasm/WasmBBQJIT.h:
* Source/JavaScriptCore/wasm/WasmConstExprGenerator.cpp:
* Source/JavaScriptCore/wasm/WasmFunctionParser.h:
(JSC::Wasm::FunctionParser<Context>::parseExpression):
* Source/JavaScriptCore/wasm/WasmIPIntGenerator.cpp:
(JSC::Wasm::IPIntGenerator::teeLocal):
* Source/JavaScriptCore/wasm/WasmLLIntGenerator.cpp:
(JSC::Wasm::LLIntGenerator::teeLocal):
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp:
(JSC::Wasm::OMGIRGenerator::teeLocal):
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator32_64.cpp:
(JSC::Wasm::OMGIRGenerator::teeLocal):
Canonical link: https://commits.webkit.org/281748@main
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