MIPS: Fix MacroAssembler::AssertFunction()

src/mips64/macro-assembler-mips64.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 <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
@@ skipping 5360 matching lines @@
     pop(object);
   }
 }
 
 
 void MacroAssembler::AssertFunction(Register object) {
   if (emit_debug_code()) {
     STATIC_ASSERT(kSmiTag == 0);
     SmiTst(object, t0);
     Check(ne, kOperandIsASmiAndNotAFunction, t0, Operand(zero_reg));
-    push(object);
-    GetObjectType(object, object, object);
-    pop(object);
-    Check(eq, kOperandIsNotAFunction, object, Operand(JS_FUNCTION_TYPE));
+    GetObjectType(object, t0, t0);
+    Check(eq, kOperandIsNotAFunction, t0, Operand(JS_FUNCTION_TYPE));
   }
 }
 
 
 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object,
                                                      Register scratch) {
   if (emit_debug_code()) {
     Label done_checking;
     AssertNotSmi(object);
     LoadRoot(scratch, Heap::kUndefinedValueRootIndex);
@@ skipping 823 matching lines @@
   if (mag.shift > 0) sra(result, result, mag.shift);
   srl(at, dividend, 31);
   Addu(result, result, Operand(at));
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64