Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: b8f784559fcff723191d3190446e5762440b5d91
https://github.com/WebKit/WebKit/commit/b8f784559fcff723191d3190446e5762440b5d91
Author: Yusuke Suzuki <[email protected]>
Date: 2024-07-24 (Wed, 24 Jul 2024)
Changed paths:
M Source/JavaScriptCore/assembler/AbstractMacroAssembler.h
M Source/JavaScriptCore/dfg/DFGSpeculativeJIT32_64.cpp
M Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp
Log Message:
-----------
[JSC] Use emitStoreCallSiteIndex within main path of DirectCall
https://bugs.webkit.org/show_bug.cgi?id=277013
rdar://132412918
Reviewed by Mark Lam.
DirectCall's slow path is wrongly setting CallSiteIndex without taking care of
tail-calls.
That was existing bug which should be fixed in the future, but as the result,
if we go to the slow path once and returning back to the main path,
we are still using the wrongly set CallSiteIndex in the main path. This patch
fixes that by setting the appropriate CallSiteIndex within the main path.
Also add SuppressRegisetrAllocationValidation and suppress DFG register
allocation validation for this particular place since DFG register allocation
validation
is broken and fires randomly for the legit case[1].
[1]:
https://github.com/WebKit/WebKit/commit/dd1c094a5f04ea5a5f93e236ff3b4db43d85a226
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT32_64.cpp:
(JSC::DFG::SpeculativeJIT::emitCall):
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp:
(JSC::DFG::SpeculativeJIT::emitCall):
Canonical link: https://commits.webkit.org/281332@main
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