Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 104317ffb3b14418acbc7e80e83627d9e4fa416b
https://github.com/WebKit/WebKit/commit/104317ffb3b14418acbc7e80e83627d9e4fa416b
Author: Yusuke Suzuki <[email protected]>
Date: 2024-07-22 (Mon, 22 Jul 2024)
Changed paths:
M Source/JavaScriptCore/dfg/DFGJITCompiler.cpp
M Source/JavaScriptCore/dfg/DFGOSRExit.cpp
M Source/JavaScriptCore/dfg/DFGOSRExit.h
M Source/JavaScriptCore/dfg/DFGThunks.cpp
M Source/JavaScriptCore/ftl/FTLOSRExitCompiler.cpp
Log Message:
-----------
[JSC] Do not emit vm.osrExitIndex in DFG code
https://bugs.webkit.org/show_bug.cgi?id=276604
rdar://131744417
Reviewed by Yijia Huang.
Use numberTagRegister register to hold OSR exit index instead of embedding
vm.osrExitIndex to significantly reduce OSR exit code in DFG.
* Source/JavaScriptCore/dfg/DFGJITCompiler.cpp:
(JSC::DFG::JITCompiler::linkOSRExits):
* Source/JavaScriptCore/dfg/DFGOSRExit.cpp:
(JSC::DFG::OSRExit::compileExit):
* Source/JavaScriptCore/dfg/DFGThunks.cpp:
(JSC::DFG::osrExitGenerationThunkGenerator):
Canonical link: https://commits.webkit.org/281196@main
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