Make the ResolvePossiblyDirectEval faster by avoiding the...

src/arm/codegen-arm.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2874 matching lines @@
     // Prepare stack for call to ResolvePossiblyDirectEval.
     __ ldr(r1, MemOperand(sp, arg_count * kPointerSize + kPointerSize));
     frame_->EmitPush(r1);
     if (arg_count > 0) {
       __ ldr(r1, MemOperand(sp, arg_count * kPointerSize));
       frame_->EmitPush(r1);
     } else {
       frame_->EmitPush(r2);
     }
 
+    // Push the receiver.
+    __ ldr(r1, frame_->Receiver());
+    frame_->EmitPush(r1);
+
     // Resolve the call.
-    frame_->CallRuntime(Runtime::kResolvePossiblyDirectEval, 2);
+    frame_->CallRuntime(Runtime::kResolvePossiblyDirectEval, 3);
 
     // Touch up stack with the right values for the function and the receiver.
-    __ ldr(r1, FieldMemOperand(r0, FixedArray::kHeaderSize));
-    __ str(r1, MemOperand(sp, (arg_count + 1) * kPointerSize));
-    __ ldr(r1, FieldMemOperand(r0, FixedArray::kHeaderSize + kPointerSize));
+    __ str(r0, MemOperand(sp, (arg_count + 1) * kPointerSize));
     __ str(r1, MemOperand(sp, arg_count * kPointerSize));
 
     // Call the function.
     CodeForSourcePosition(node->position());
 
     InLoopFlag in_loop = loop_nesting() > 0 ? IN_LOOP : NOT_IN_LOOP;
     CallFunctionStub call_function(arg_count, in_loop);
     frame_->CallStub(&call_function, arg_count + 1);
 
     __ ldr(cp, frame_->Context());
@@ skipping 3551 matching lines @@
 int CompareStub::MinorKey() {
   // Encode the two parameters in a unique 16 bit value.
   ASSERT(static_cast<unsigned>(cc_) >> 28 < (1 << 15));
   return (static_cast<unsigned>(cc_) >> 27) | (strict_ ? 1 : 0);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal