Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: a8e5a7cbc6ada06d0f1b685067cf9d335ccec74a
https://github.com/WebKit/WebKit/commit/a8e5a7cbc6ada06d0f1b685067cf9d335ccec74a
Author: Sergey Rubanov <[email protected]>
Date: 2026-08-31 (Mon, 31 Aug 2026)
Changed paths:
M Source/JavaScriptCore/wasm/WasmBBQJIT64.cpp
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
Log Message:
-----------
[JSC][Wasm] Elide write barrier when storing a constant non-cell
https://bugs.webkit.org/show_bug.cgi?id=322500
Reviewed by Yusuke Suzuki.
A constant non-cell (jsNull) cannot be a remembered-set source. Skip the
write barrier for that store on a ref field or array element in OMG and
BBQ.
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp:
* Source/JavaScriptCore/wasm/WasmBBQJIT64.cpp:
Canonical link: https://commits.webkit.org/320218@main
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