Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 602101c35e26ecacc9d56980d9eae0b5716ad98d
https://github.com/WebKit/WebKit/commit/602101c35e26ecacc9d56980d9eae0b5716ad98d
Author: Yusuke Suzuki <[email protected]>
Date: 2023-03-06 (Mon, 06 Mar 2023)
Changed paths:
M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp
Log Message:
-----------
[JSC] Clear locals efficiently in WasmBBQ
https://bugs.webkit.org/show_bug.cgi?id=253424
rdar://106269732
Reviewed by Mark Lam.
Locals are siblings in the stack locations and most of them are cleared via
zeros.
This patch buffers local clearing and do efficient zero clear by using stp.
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJIT::sizeOfType):
(JSC::Wasm::BBQJIT::Value::size const):
(JSC::Wasm::BBQJIT::addTopLevel):
Canonical link: https://commits.webkit.org/261257@main
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