Changeset 34371 in webkit for trunk/JavaScriptCore/VM/Opcode.h

Timestamp:

Jun 4, 2008, 9:39:09 PM (17 years ago)

Author:

[email protected]

Message:

2008-06-04 Cameron Zwarich <​[email protected]>

Reviewed by Oliver.

Add an option to dump statistics on executed instructions.

JavaScriptCore:

• VM/Machine.cpp: (KJS::Machine::privateExecute):
• VM/Opcode.cpp: (KJS::): (KJS::OpcodeStats::~OpcodeStats): (KJS::OpcodeStats::recordInstruction):
• VM/Opcode.h:

WebKitTools:

• Scripts/check-for-global-initializers:

File:

• trunk/JavaScriptCore/VM/Opcode.h (modified) (2 diffs)

trunk/JavaScriptCore/VM/Opcode.h

@@ -34 +34 @@
 
 namespace KJS {
-        
+
+#define DUMP_OPCODE_STATS 0
+
     #define FOR_EACH_OPCODE_ID(macro) \
         macro(op_load) \
@@ -137 +139 @@
 #endif
 
+#if DUMP_OPCODE_STATS
+
+    struct OpcodeStats {
+        OpcodeStats();
+        ~OpcodeStats();
+        static unsigned opcodeCounts[numOpcodeIDs];
+        static void recordInstruction(int opcode);
+    };
+
+#endif
+
 } // namespace KJS