Changeset 34906 in webkit for trunk/JavaScriptCore/kjs/ExecState.h

Timestamp:

Jun 30, 2008, 10:45:21 PM (17 years ago)

Author:

[email protected]

Message:

2008-06-30 Geoffrey Garen <​[email protected]>

Reviewed by Oliver Hunt.

Removed the "registerBase" abstraction. Since the register file never
reallocates, we can keep direct pointers into it, instead of
<registerBase, offset> tuples.

SunSpider says 0.8% faster.

File:

• trunk/JavaScriptCore/kjs/ExecState.h (modified) (3 diffs)

trunk/JavaScriptCore/kjs/ExecState.h

@@ -39 +39 @@
     class Machine;
     class ProgramNode;
+    class Register;
     class RegisterFile;
     class ScopeNode;
@@ -94 +95 @@
         ExecState() { }
 
-        ExecState(ExecState*, RegisterFile*, ScopeChainNode*, int callFrameOffset);
+        ExecState(ExecState*, RegisterFile*, ScopeChainNode*, Register* callFrame);
 
         bool isGlobalObject(JSObject*) const;
@@ -109 +110 @@
         RegisterFile* m_registerFile;
         ScopeChainNode* m_scopeChain;
-        int m_callFrameOffset; // A negative offset indicates a non-function scope.
+        Register* m_callFrame; // The most recent call frame.
     };