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

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.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/bytecode/UnlinkedCodeBlock.h

@@ -39 +39 @@
 #include "SpecialPointer.h"
 #include "SymbolTable.h"
+#include "VirtualRegister.h"
 
 #include <wtf/Compression.h>
@@ -258 +259 @@
 
     void setArgumentsRegister(int argumentsRegister) { m_argumentsRegister = argumentsRegister; }
-    bool usesArguments() const { return m_argumentsRegister != -1; }
+    bool usesArguments() const { return m_argumentsRegister != (int)InvalidVirtualRegister; }
     int argumentsRegister() const { return m_argumentsRegister; }
 
 
-    bool usesGlobalObject() const { return m_globalObjectRegister != -1; }
+    bool usesGlobalObject() const { return m_globalObjectRegister != (int)InvalidVirtualRegister; }
     void setGlobalObjectRegister(int globalObjectRegister) { m_globalObjectRegister = globalObjectRegister; }
     int globalObjectRegister() const { return m_globalObjectRegister; }