Changeset 127503 in webkit for trunk/Source/JavaScriptCore/bytecode/DFGExitProfile.h

Timestamp:

Sep 4, 2012, 2:15:02 PM (13 years ago)

Author:

[email protected]

Message:

DFG GetByVal for JSArrays shouldn't OSR exit every time that the index is out of bound
​https://bugs.webkit.org/show_bug.cgi?id=95717

Reviewed by Oliver Hunt.

Make GetByVal for JSArrayOutOfBounds do meaningful things. The profiling was already
there so we should just use it!

• bytecode/DFGExitProfile.h:

(JSC::DFG::exitKindToString):

• dfg/DFGAbstractState.cpp:

(JSC::DFG::AbstractState::execute):

• dfg/DFGOperations.cpp:
• dfg/DFGOperations.h:
• dfg/DFGSpeculativeJIT.h:

(JSC::DFG::SpeculativeJIT::callOperation):

• dfg/DFGSpeculativeJIT32_64.cpp:

(JSC::DFG::SpeculativeJIT::compile):

• dfg/DFGSpeculativeJIT64.cpp:

(JSC::DFG::SpeculativeJIT::compile):

File:

• trunk/Source/JavaScriptCore/bytecode/DFGExitProfile.h (modified) (1 diff)

trunk/Source/JavaScriptCore/bytecode/DFGExitProfile.h

@@ -59 +59 @@
     case NegativeZero:
         return "NegativeZero";
+    case OutOfBounds:
+        return "OutOfBounds";
     case InadequateCoverage:
         return "InadequateCoverage";