Changeset 155420 in webkit for trunk/Source/JavaScriptCore/bytecode/UnlinkedCodeBlock.cpp

Timestamp:

Sep 9, 2013, 11:09:40 PM (12 years ago)

Author:

[email protected]

Message:

There should be one "invalid" virtual register constant
​https://bugs.webkit.org/show_bug.cgi?id=121057

Reviewed by Filip Pizlo.

Unify all references to an invalid virtual register to be the enum InvalidVirtualRegister.
Changed the value of InvalidVirtualRegister to be maximum integer value.

• bytecode/CodeBlock.h:

(JSC::CodeBlock::setArgumentsRegister):
(JSC::CodeBlock::usesArguments):

• bytecode/LazyOperandValueProfile.h:

(JSC::LazyOperandValueProfileKey::LazyOperandValueProfileKey):
(JSC::LazyOperandValueProfileKey::operator!):
(JSC::LazyOperandValueProfileKey::isHashTableDeletedValue):
(JSC::LazyOperandValueProfile::LazyOperandValueProfile):

• bytecode/UnlinkedCodeBlock.cpp:

(JSC::UnlinkedCodeBlock::UnlinkedCodeBlock):

• bytecode/UnlinkedCodeBlock.h:

(JSC::UnlinkedCodeBlock::usesArguments):
(JSC::UnlinkedCodeBlock::usesGlobalObject):

• bytecode/VirtualRegister.h:

File:

• trunk/Source/JavaScriptCore/bytecode/UnlinkedCodeBlock.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/bytecode/UnlinkedCodeBlock.cpp

@@ -195 +195 @@
     , m_numParameters(0)
     , m_vm(vm)
-    , m_argumentsRegister(-1)
-    , m_globalObjectRegister(-1)
+    , m_argumentsRegister((int)InvalidVirtualRegister)
+    , m_globalObjectRegister((int)InvalidVirtualRegister)
     , m_needsFullScopeChain(info.m_needsActivation)
     , m_usesEval(info.m_usesEval)