Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 818d5a456c551d3cd6fa2b1d6fd717f37b7ecddb
https://github.com/WebKit/WebKit/commit/818d5a456c551d3cd6fa2b1d6fd717f37b7ecddb
Author: Yusuke Suzuki <[email protected]>
Date: 2026-03-30 (Mon, 30 Mar 2026)
Changed paths:
M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp
M Source/JavaScriptCore/wasm/WasmBBQJIT64.cpp
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
M Source/JavaScriptCore/wasm/js/JSWebAssemblyArray.h
M Source/JavaScriptCore/wasm/js/JSWebAssemblyArrayInlines.h
Log Message:
-----------
[JSC] Leverage 4 byte in JSWebAssemblyArray if possible
https://bugs.webkit.org/show_bug.cgi?id=311046
rdar://173651614
Reviewed by Keith Miller and Yijia Huang.
JSWebAssemblyArray has 4 byte padding right now. Let's use this region
if element size is <= 4.
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJITImpl::BBQJIT::emitArrayGetPayload):
* Source/JavaScriptCore/wasm/WasmBBQJIT64.cpp:
(JSC::Wasm::BBQJITImpl::BBQJIT::emitAllocateGCArrayUninitialized):
(JSC::Wasm::BBQJITImpl::BBQJIT::addArrayNew):
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp:
(JSC::Wasm::OMGIRGenerator::emitGetArrayPayloadBase):
(JSC::Wasm::OMGIRGenerator::allocateWasmGCArrayUninitialized):
* Source/JavaScriptCore/wasm/js/JSWebAssemblyArray.h:
* Source/JavaScriptCore/wasm/js/JSWebAssemblyArrayInlines.h:
(JSC::JSWebAssemblyArray::bytes):
Canonical link: https://commits.webkit.org/310274@main
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