Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: f6b621827baea0723b1f7470e4c9bb72aada352a
https://github.com/WebKit/WebKit/commit/f6b621827baea0723b1f7470e4c9bb72aada352a
Author: Yusuke Suzuki <[email protected]>
Date: 2026-05-02 (Sat, 02 May 2026)
Changed paths:
M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp
M Source/JavaScriptCore/wasm/WasmConstExprGenerator.cpp
M Source/JavaScriptCore/wasm/WasmFormat.h
M Source/JavaScriptCore/wasm/WasmFunctionParser.h
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
Log Message:
-----------
[JSC] Avoid using RTT for signature of wasm ConstExpr parsing
https://bugs.webkit.org/show_bug.cgi?id=313889
rdar://176081926
Reviewed by Yijia Huang.
TypeInformation::rttForFunction is costly. Let's just use BlockSignature
for top-level-block, BlockSignature is existing exactly for this purpose.
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJITImpl::BBQJIT::addReturn):
* Source/JavaScriptCore/wasm/WasmConstExprGenerator.cpp:
(JSC::Wasm::parseExtendedConstExpr):
(JSC::Wasm::evaluateExtendedConstExpr):
* Source/JavaScriptCore/wasm/WasmFormat.h:
(JSC::Wasm::BlockSignature::holdsRTT const):
(JSC::Wasm::BlockSignature::rtt const):
* Source/JavaScriptCore/wasm/WasmFunctionParser.h:
(JSC::Wasm::FunctionParser::FunctionParser):
(JSC::Wasm::FunctionParser::signatureRTT const):
(JSC::Wasm::FunctionParser<Context>::FunctionParser):
(JSC::Wasm::FunctionParser<Context>::parse):
(JSC::Wasm::FunctionParser<Context>::parseConstantExpression):
(JSC::Wasm::FunctionParser<Context>::parseBody):
(JSC::Wasm::FunctionParser<Context>::parseExpression):
(JSC::Wasm::FunctionParser::signature const): Deleted.
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp:
(JSC::Wasm::OMGIRGenerator::addInlinedReturn):
(JSC::Wasm::OMGIRGenerator::addReturn):
Canonical link: https://commits.webkit.org/312481@main
To unsubscribe from these emails, change your notification settings at
https://github.com/WebKit/WebKit/settings/notifications
