Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 3bff13ae469dae7117c08a806ac91a4eb8a9addb
https://github.com/WebKit/WebKit/commit/3bff13ae469dae7117c08a806ac91a4eb8a9addb
Author: Yusuke Suzuki <[email protected]>
Date: 2023-02-21 (Tue, 21 Feb 2023)
Changed paths:
M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp
Log Message:
-----------
[JSC] new BBQ should include enclosingHeight for call-result computation
https://bugs.webkit.org/show_bug.cgi?id=252652
rdar://105713588
Reviewed by Mark Lam.
New BBQ's call's result assignment is incorrect. It should include
enclosingHeight for calculation (see topValue implementation).
Otherwise, nested block with enclosing height will compute state height
incorrectly.
i32.const 32 // stack-height 1 slot
block {
call() // Return i32, then it should be stack-height 2 slots (1 + 1).
}
This fixes JetStream2/tsf-wasm run.
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJIT::returnValuesFromCall):
(JSC::Wasm::BBQJIT::emitCCall):
Canonical link: https://commits.webkit.org/260595@main
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