Changeset 37678 in webkit for trunk/JavaScriptCore/VM/CTI.cpp

Timestamp:

Oct 18, 2008, 2:44:50 AM (17 years ago)

Author:

[email protected]

Message:

2008-10-18 Cameron Zwarich <​[email protected]>

Reviewed by Oliver Hunt.

Bug 21702: Special op_create_activation for the case where there are no named parameters
<​https://bugs.webkit.org/show_bug.cgi?id=21702>

This is a 2.5% speedup on the V8 Raytrace benchmark and a 1.1% speedup
on the V8 Earley-Boyer benchmark.

• VM/CTI.cpp: (JSC::CTI::privateCompileMainPass):
• VM/Machine.cpp: (JSC::Machine::cti_op_create_arguments_no_params):
• VM/Machine.h:
• kjs/Arguments.h: (JSC::Arguments::): (JSC::Arguments::Arguments):

File:

• trunk/JavaScriptCore/VM/CTI.cpp (modified) (1 diff)

trunk/JavaScriptCore/VM/CTI.cpp

@@ -2085 +2085 @@
         }
         case op_create_arguments: {
-            emitCTICall(i, Machine::cti_op_create_arguments);
+            emitCTICall(i, (m_codeBlock->numParameters == 1) ? Machine::cti_op_create_arguments_no_params : Machine::cti_op_create_arguments);
             i += 1;
             break;