[webkit-changes] [WebKit/WebKit] 697f8d: [Wasm-GC] Add nullexternref and nullfuncref types

[Asumu Takikawa]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 697f8d5c0fddfb7924fae64cd1dafe572dd2ee0a
      https://github.com/WebKit/WebKit/commit/697f8d5c0fddfb7924fae64cd1dafe572dd2ee0a
  Author: Asumu Takikawa <asumu at igalia.com>
  Date:   2023-08-10 (Thu, 10 Aug 2023)

  Changed paths:
    M JSTests/wasm/gc/any.js
    M JSTests/wasm/gc/casts.js
    M Source/JavaScriptCore/wasm/WasmAirIRGeneratorBase.h
    M Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp
    M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp
    M Source/JavaScriptCore/wasm/WasmCallingConvention.h
    M Source/JavaScriptCore/wasm/WasmFormat.h
    M Source/JavaScriptCore/wasm/WasmFunctionParser.h
    M Source/JavaScriptCore/wasm/WasmLLIntGenerator.cpp
    M Source/JavaScriptCore/wasm/WasmTypeDefinition.cpp
    M Source/JavaScriptCore/wasm/WasmTypeDefinition.h
    M Source/JavaScriptCore/wasm/js/JSWebAssemblyStruct.cpp
    M Source/JavaScriptCore/wasm/js/WasmToJS.cpp
    M Source/JavaScriptCore/wasm/wasm.json

  Log Message:
  -----------
  [Wasm-GC] Add nullexternref and nullfuncref types
https://bugs.webkit.org/show_bug.cgi?id=254695

Reviewed by Yusuke Suzuki.

* JSTests/wasm/gc/any.js:
(testNullfuncref):
(testNullexternref):
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJIT::sizeOfType):
(JSC::Wasm::BBQJIT::toValueKind):
(JSC::Wasm::BBQJIT::addConstant):
(JSC::Wasm::BBQJIT::getGlobal):
(JSC::Wasm::BBQJIT::setGlobal):
(JSC::Wasm::BBQJIT::addTopLevel):
(JSC::Wasm::BBQJIT::toB3Type):
(JSC::Wasm::BBQJIT::emitCatchImpl):
(JSC::Wasm::BBQJIT::emitCCall):
(JSC::Wasm::BBQJIT::emitStoreConst):
(JSC::Wasm::BBQJIT::emitMoveConst):
(JSC::Wasm::BBQJIT::emitStore):
(JSC::Wasm::BBQJIT::emitMoveMemory):
(JSC::Wasm::BBQJIT::emitMoveRegister):
(JSC::Wasm::BBQJIT::emitLoad):
* Source/JavaScriptCore/wasm/WasmCallingConvention.h:
(JSC::Wasm::WasmCallingConvention::numberOfStackResults const):
(JSC::Wasm::WasmCallingConvention::numberOfStackArguments const):
* Source/JavaScriptCore/wasm/WasmFormat.h:
(JSC::Wasm::isNullfuncref):
(JSC::Wasm::isNullexternref):
(JSC::Wasm::isSubtype):
(JSC::Wasm::isValidHeapTypeKind):
* Source/JavaScriptCore/wasm/WasmLLIntGenerator.cpp:
(JSC::Wasm::LLIntGenerator::callInformationForCaller):
(JSC::Wasm::LLIntGenerator::callInformationForCallee):
(JSC::Wasm::LLIntGenerator::addArguments):
* Source/JavaScriptCore/wasm/WasmTypeDefinition.cpp:
(JSC::Wasm::TypeInformation::castReference):
* Source/JavaScriptCore/wasm/WasmTypeDefinition.h:
(JSC::Wasm::typeKindSizeInBytes):
* Source/JavaScriptCore/wasm/js/JSWebAssemblyStruct.cpp:
(JSC::JSWebAssemblyStruct::set):
* Source/JavaScriptCore/wasm/js/WasmToJS.cpp:
(JSC::Wasm::wasmToJS):
* Source/JavaScriptCore/wasm/wasm.json:

Canonical link: https://commits.webkit.org/266766@main