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fpizlo@apple.com authored
https://bugs.webkit.org/show_bug.cgi?id=69201 Reviewed by Oliver Hunt. This makes it possible to change tiered compilation heuristics in one place (Heuristics.cpp) without recompiling the whole project. It also makes it possible to enable setting heuristics using environment variables. This is off by default. When turned on, it makes tuning the system much easier. * CMakeLists.txt: * GNUmakefile.list.am: * JavaScriptCore.pro: * JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.vcproj: * JavaScriptCore.xcodeproj/project.pbxproj: * bytecode/CodeBlock.cpp: (JSC::CodeBlock::shouldOptimizeNow): * bytecode/CodeBlock.h: * dfg/DFGJITCompiler.cpp: (JSC::DFG::JITCompiler::exitSpeculativeWithOSR): * jit/JIT.cpp: (JSC::JIT::emitOptimizationCheck): * runtime/Heuristics.cpp: Added. (JSC::Heuristics::parse): (JSC::Heuristics::setHeuristic): (JSC::Heuristics::initializeHeuristics): * runtime/Heuristics.h: Added. * runtime/InitializeThreading.cpp: (JSC::initializeThreadingOnce): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@96463 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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