[runtime] Initial step towards switching Execution::Call to callable.

src/mips/builtins-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 778 matching lines @@
     // s7 is cp. Do not init.
 
     // Invoke the code and pass argc as a0.
     __ mov(a0, a3);
     if (is_construct) {
       // No type feedback cell is available
       __ LoadRoot(a2, Heap::kUndefinedValueRootIndex);
       CallConstructStub stub(masm->isolate(), NO_CALL_CONSTRUCTOR_FLAGS);
       __ CallStub(&stub);
     } else {
-      ParameterCount actual(a0);
-      __ InvokeFunction(a1, actual, CALL_FUNCTION, NullCallWrapper());
+      __ Call(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
     }
 
     // Leave internal frame.
   }
 
   __ Jump(ra);
 }
 
 
 void Builtins::Generate_JSEntryTrampoline(MacroAssembler* masm) {
@@ skipping 999 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS