A64 support for DoubleToIStub (truncating).

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 1103 matching lines @@
       LOperand* temp1 = TempRegister();
       LOperand* temp2 = TempRegister();
 
       LNumberTagD* result = new(zone()) LNumberTagD(value, temp1, temp2);
       return AssignPointerMap(DefineAsRegister(result));
     } else {
       ASSERT(to.IsSmi() || to.IsInteger32());
       LOperand* value = UseRegister(instr->value());
 
       if (instr->CanTruncateToInt32()) {
-        LOperand* temp1 = TempRegister();
-        LOperand* temp2 = TempRegister();
         LTruncateDoubleToIntOrSmi* result =
-            new(zone()) LTruncateDoubleToIntOrSmi(value, temp1, temp2);
+            new(zone()) LTruncateDoubleToIntOrSmi(value);
         return DefineAsRegister(result);
       } else {
         LDoubleToIntOrSmi* result = new(zone()) LDoubleToIntOrSmi(value);
         return AssignEnvironment(DefineAsRegister(result));
       }
     }
   } else if (from.IsInteger32()) {
     info()->MarkAsDeferredCalling();
     if (to.IsTagged()) {
       if (instr->value()->CheckFlag(HInstruction::kUint32)) {
@@ skipping 1305 matching lines @@
 
 LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) {
   LOperand* receiver = UseRegister(instr->receiver());
   LOperand* function = UseRegister(instr->function());
   LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function);
   return AssignEnvironment(DefineAsRegister(result));
 }
 
 
 } }  // namespace v8::internal