Changeset 78174 in webkit for trunk/Source/JavaScriptCore/jit/JIT.h

Timestamp:

Feb 9, 2011, 9:21:33 PM (14 years ago)

Author:

[email protected]

Message:

Bug 54164 - Optimize global_var accesses on JSVALUE64

Reviewed by Sam Weinig.

Directly embed the pointer to d->registers, optimize out the load
from the variable object, as we do already in JSVALUE32_64.

This is a ~1.5% win on sunspidey.

• jit/JIT.cpp:
• jit/JIT.h:
• jit/JITOpcodes.cpp:

(JSC::JIT::emit_op_get_global_var):
(JSC::JIT::emit_op_put_global_var):
(JSC::JIT::emit_op_get_scoped_var):
(JSC::JIT::emit_op_put_scoped_var):

File:

• trunk/Source/JavaScriptCore/jit/JIT.h (modified) (1 diff)

trunk/Source/JavaScriptCore/jit/JIT.h

@@ -506 +506 @@
         int32_t getConstantOperandImmediateInt(unsigned src);
 
-        void emitGetVariableObjectRegister(RegisterID variableObject, int index, RegisterID dst);
-        void emitPutVariableObjectRegister(RegisterID src, RegisterID variableObject, int index);
-        
         void killLastResultRegister();