Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 4322c3bd5293d6b328b3745ef628cf9c41ca9cdb
https://github.com/WebKit/WebKit/commit/4322c3bd5293d6b328b3745ef628cf9c41ca9cdb
Author: Justin Michaud <[email protected]>
Date: 2024-03-26 (Tue, 26 Mar 2024)
Changed paths:
A JSTests/wasm/stress/omg-osr-stack-check-2.js
A JSTests/wasm/stress/omg-osr-stack-check-2.wasm
M Source/JavaScriptCore/wasm/WasmCallee.h
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
M Source/JavaScriptCore/wasm/WasmOperations.cpp
M Source/JavaScriptCore/wasm/WasmSlowPaths.cpp
Log Message:
-----------
Stack check size can be zero if omg skips stack checks.
https://bugs.webkit.org/show_bug.cgi?id=271011
rdar://124390384
Reviewed by Yusuke Suzuki.
For leaf functions that have really small stacks, this stack check can
be skipped and the ASSERT(stackCheckSize()) is wrong.
We change the assert to ensure that the stack check size is set, but
if it is not needed, we can skip the stack check.
* Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp:
(JSC::Wasm::parseAndCompileB3):
* Source/JavaScriptCore/wasm/WasmCallee.h:
Originally-landed-as: 272448.753@safari-7618-branch (aef93328873d).
rdar://124390384
Canonical link: https://commits.webkit.org/276682@main
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