MIPS: Fix register usage.

src/mips/stub-cache-mips.cc

 // Copyright 2012 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 2451 matching lines @@
 
   CallInterceptorCompiler compiler(this, arguments(), a2, extra_state_);
   compiler.Compile(masm(), object, holder, name, &lookup, a1, a3, t0, a0,
                    &miss);
 
   // Move returned value, the function to call, to a1.
   __ mov(a1, v0);
   // Restore receiver.
   __ lw(a0, MemOperand(sp, argc * kPointerSize));
 
-  GenerateJumpFunction(object, a0, &miss);
+  GenerateJumpFunction(object, a1, &miss);
 
   HandlerFrontendFooter(&miss);
 
   // Return the generated code.
   return GetCode(Code::FAST, name);
 }
 
 
 Handle<Code> CallStubCompiler::CompileCallGlobal(
     Handle<JSObject> object,
@@ skipping 402 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS