Changeset 36544 in webkit for trunk/JavaScriptCore/VM/Machine.h

Timestamp:

Sep 17, 2008, 12:29:19 PM (17 years ago)

Author:

[email protected]

Message:

2008-09-17 Gavin Barraclough <​[email protected]>

Reviewed by Geoff Garen.

Optimizations for op_call in CTI. Move check for (ctiCode == 0) into JIT code,
move copying of scopeChain for CodeBlocks that needFullScopeChain into head of
functions, instead of checking prior to making the call.

3% on v8-tests (4% on richards, 6% in delta-blue)

• VM/CTI.cpp: (JSC::CTI::compileOpCall): (JSC::CTI::privateCompileSlowCases): (JSC::CTI::privateCompile):
• VM/Machine.cpp: (JSC::Machine::execute): (JSC::Machine::cti_op_call_JSFunction): (JSC::Machine::cti_vm_compile): (JSC::Machine::cti_vm_updateScopeChain): (JSC::Machine::cti_op_construct_JSConstruct):
• VM/Machine.h:

File:

• trunk/JavaScriptCore/VM/Machine.h (modified) (1 diff)

trunk/JavaScriptCore/VM/Machine.h

@@ -233 +233 @@
 
         static void* SFX_CALL cti_vm_throw(CTI_ARGS);
+        static void* SFX_CALL cti_vm_compile(CTI_ARGS);
+        static void SFX_CALL cti_vm_updateScopeChain(CTI_ARGS);
+        
 #endif // ENABLE(CTI)