A64: Fix NumberTagI for cases calling runtime

src/a64/lithium-a64.cc

 // Copyright 2013 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 1115 matching lines @@
       LOperand* value = UseRegister(instr->value());
       LOperand* temp1 = instr->CanTruncateToInt32() ? TempRegister() : NULL;
       LOperand* temp2 = instr->CanTruncateToInt32() ? TempRegister() : NULL;
       LDoubleToI* result = new(zone()) LDoubleToI(value, temp1, temp2);
       return AssignEnvironment(DefineAsRegister(result));
     }
   } else if (from.IsInteger32()) {
     info()->MarkAsDeferredCalling();
     if (to.IsTagged()) {
       HValue* val = instr->value();
-      LOperand* value = UseRegisterAtStart(val);
 
       if (val->CheckFlag(HInstruction::kUint32)) {
+        LOperand* value = UseRegister(val);
         LNumberTagU* result = new(zone()) LNumberTagU(value,
                                                       TempRegister(),
                                                       TempRegister());
         return AssignEnvironment(AssignPointerMap(DefineAsRegister(result)));
       } else {
         STATIC_ASSERT((kMinInt == Smi::kMinValue) &&
                       (kMaxInt == Smi::kMaxValue));
+        LOperand* value = UseRegisterAtStart(val);
         return DefineAsRegister(new(zone()) LSmiTag(value));
       }
     } else if (to.IsSmi()) {
       LOperand* value = UseRegisterAtStart(instr->value());
       // This cannot deoptimize because an A64 smi can represent any int32.
       return DefineAsRegister(new(zone()) LInteger32ToSmi(value));
     } else {
       ASSERT(to.IsDouble());
       if (instr->value()->CheckFlag(HInstruction::kUint32)) {
         return DefineAsRegister(
@@ skipping 1301 matching lines @@
 LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) {
   LOperand* receiver = UseRegister(instr->receiver());
   LOperand* function = UseRegisterAtStart(instr->function());
   LOperand* temp = TempRegister();
   LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function, temp);
   return AssignEnvironment(DefineAsRegister(result));
 }
 
 
 } }  // namespace v8::internal