MIPS: Fix reg use in SIMD.js Add the other SIMD Phase 1 types.

src/mips/lithium-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.7
 // 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 2168 matching lines @@
         const Register scratch = scratch1();
         __ lbu(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset));
         __ Branch(instr->TrueLabel(chunk_), eq, scratch, Operand(SYMBOL_TYPE));
       }
 
       if (expected.Contains(ToBooleanStub::SIMD_VALUE)) {
         // SIMD value -> true.
         Label not_simd;
         const Register scratch = scratch1();
         __ lbu(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset));
-        __ Branch(&not_simd, lt, at, Operand(FIRST_SIMD_VALUE_TYPE));
+        __ Branch(&not_simd, lt, scratch, Operand(FIRST_SIMD_VALUE_TYPE));
         __ Branch(instr->TrueLabel(chunk_), le, scratch,
                   Operand(LAST_SIMD_VALUE_TYPE));
         __ bind(&not_simd);
       }
 
       if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) {
         // heap number -> false iff +0, -0, or NaN.
         DoubleRegister dbl_scratch = double_scratch0();
         Label not_heap_number;
         __ LoadRoot(at, Heap::kHeapNumberMapRootIndex);
@@ skipping 3904 matching lines @@
   __ Push(at, ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8