Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 0f84b27e55297a517da604e7082cf7e8aaa40200
https://github.com/WebKit/WebKit/commit/0f84b27e55297a517da604e7082cf7e8aaa40200
Author: Yusuke Suzuki <[email protected]>
Date: 2026-09-02 (Wed, 02 Sep 2026)
Changed paths:
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
Log Message:
-----------
[JSC] OMG addReturn patchpoint should say clobber macro registers
https://bugs.webkit.org/show_bug.cgi?id=323245
rdar://186499141
Reviewed by Dan Hecht.
Code::emitEpilogue can clobber macro registers when offset is very
large. Code is having `AllowMacroScratchRegisterUsageIf(jit, isARM64())`.
So let's declare this characteristics. Currently, this is fine as all
wasm return output is pinned to wasm ABI return registers and they do
not conflict with macro registers.
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp:
(JSC::Wasm::OMGIRGenerator::addReturn):
Canonical link: https://commits.webkit.org/320363@main
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