Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: e582db95f9efe591281ffac755def5af66d81018
https://github.com/WebKit/WebKit/commit/e582db95f9efe591281ffac755def5af66d81018
Author: Dan Hecht <[email protected]>
Date: 2025-10-04 (Sat, 04 Oct 2025)
Changed paths:
M Source/JavaScriptCore/llint/InPlaceInterpreter64.asm
M Source/JavaScriptCore/wasm/WasmIPIntSlowPaths.cpp
M Source/JavaScriptCore/wasm/WasmIPIntSlowPaths.h
Log Message:
-----------
[JSC] Fix WASM GC array.get on x86_64 Assert builds
https://bugs.webkit.org/show_bug.cgi?id=300155
rdar://161932678
Reviewed by Yusuke Suzuki.
a4 is not really available for these slow path calls and on x86_64
with ASSERT_ENABLED, it gets used to do a stack check causing
the last argument to get clobbered.
Instead, let's pass the arguments via the stack.
Testing: JSTests/wasm/gc/simd.js with Assert build
* Source/JavaScriptCore/llint/InPlaceInterpreter64.asm:
* Source/JavaScriptCore/wasm/WasmIPIntSlowPaths.cpp:
(JSC::IPInt::WASM_IPINT_EXTERN_CPP_DECL):
* Source/JavaScriptCore/wasm/WasmIPIntSlowPaths.h:
Canonical link: https://commits.webkit.org/301001@main
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