Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 50def56d35577644e656719dba0e81bee8f571ac
https://github.com/WebKit/WebKit/commit/50def56d35577644e656719dba0e81bee8f571ac
Author: Asumu Takikawa <as...@igalia.com>
Date: 2023-12-08 (Fri, 08 Dec 2023)
Changed paths:
A JSTests/wasm/gc/bug266043.js
M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp
Log Message:
-----------
[Wasm-GC] Fix missing write barrier in BBQJIT struct.set
https://bugs.webkit.org/show_bug.cgi?id=266043
Reviewed by Yusuke Suzuki.
Adds a missing write barrier for struct.set in BBQJIT. Also optimize how struct
mutation is done for initialization (e.g., struct.new), because the old approach
was compiling duplicate loads for the payload pointer.
* JSTests/wasm/gc/bug266043.js: Added.
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJIT::emitStructSet):
(JSC::Wasm::BBQJIT::emitStructPayloadSet):
(JSC::Wasm::BBQJIT::addStructNewDefault):
(JSC::Wasm::BBQJIT::addStructNew):
Canonical link: https://commits.webkit.org/271740@main
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