MIPS: Fix mistake in r12549 (1597d7d9).

src/mips/full-codegen-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 2701 matching lines @@
   __ NumberOfOwnDescriptors(a3, a1);
   __ Branch(&done, eq, a3, Operand(zero_reg));
 
   __ LoadInstanceDescriptors(a1, t0, a2);
   // t0: descriptor array.
   // a3: valid entries in the descriptor array.
   STATIC_ASSERT(kSmiTag == 0);
   STATIC_ASSERT(kSmiTagSize == 1);
   STATIC_ASSERT(kPointerSize == 4);
   __ li(at, Operand(DescriptorArray::kDescriptorSize));
-  __ Mult(a3, at);
+  __ Mul(a3, a3, at);
   // Calculate location of the first key name.
   __ Addu(t0, t0, Operand(DescriptorArray::kFirstOffset - kHeapObjectTag));
   // Calculate the end of the descriptor array.
   __ mov(a2, t0);
   __ sll(t1, a3, kPointerSizeLog2 - kSmiTagSize);
   __ Addu(a2, a2, t1);
 
   // Loop through all the keys in the descriptor array. If one of these is the
   // symbol valueOf the result is false.
   // The use of t2 to store the valueOf symbol asumes that it is not otherwise
@@ skipping 1835 matching lines @@
   *context_length = 0;
   return previous_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS