CallIC MISS handler doesn't need receiver.

src/mips/code-stubs-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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 2910 matching lines @@
   __ JumpIfSmi(a1, &non_function);
 
   // Goto slow case if we do not have a function.
   __ GetObjectType(a1, t0, t0);
   __ Branch(&slow, ne, t0, Operand(JS_FUNCTION_TYPE));
   __ Branch(&have_js_function);
 }
 
 
 void CallICStub::GenerateMiss(MacroAssembler* masm) {
-  // Get the receiver of the function from the stack.
-  __ lw(t0, MemOperand(sp, arg_count() * kPointerSize));
+  FrameScope scope(masm, StackFrame::INTERNAL);
 
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
+  // Push the receiver and the function and feedback info.
+  __ Push(a1, a2, a3);
 
-    // Push the receiver and the function and feedback info.
-    __ Push(t0, a1, a2, a3);
+  // Call the entry.
+  IC::UtilityId id = GetICState() == DEFAULT ? IC::kCallIC_Miss
+                                             : IC::kCallIC_Customization_Miss;
 
-    // Call the entry.
-    IC::UtilityId id = GetICState() == DEFAULT ? IC::kCallIC_Miss
-                                               : IC::kCallIC_Customization_Miss;
+  ExternalReference miss = ExternalReference(IC_Utility(id), masm->isolate());
+  __ CallExternalReference(miss, 3);
 
-    ExternalReference miss = ExternalReference(IC_Utility(id),
-                                               masm->isolate());
-    __ CallExternalReference(miss, 4);
-
-    // Move result to a1 and exit the internal frame.
-    __ mov(a1, v0);
-  }
+  // Move result to a1 and exit the internal frame.
+  __ mov(a1, v0);
 }
 
 
 // StringCharCodeAtGenerator.
 void StringCharCodeAtGenerator::GenerateFast(MacroAssembler* masm) {
   DCHECK(!t0.is(index_));
   DCHECK(!t0.is(result_));
   DCHECK(!t0.is(object_));
   if (check_mode_ == RECEIVER_IS_UNKNOWN) {
     // If the receiver is a smi trigger the non-string case.
@@ skipping 2214 matching lines @@
                            kStackUnwindSpace, kInvalidStackOffset,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS