Implement SmiToInt and DoubleToInt.

runtime/vm/disassembler_ia32.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/disassembler.h"
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 #include "platform/utils.h"
 #include "vm/allocation.h"
@@ skipping 1577 matching lines @@
             int mod, regop, rm;
             GetModRm(*data, &mod, &regop, &rm);
             Print("movsd ");
             PrintXmmRegister(regop);
             Print(",");
             data += PrintRightOperand(data);
           } else {
             const char* mnem = "? 0xF2";
             switch (b2) {
               case 0x2A: mnem = "cvtsi2sd"; break;
+              case 0x2C: mnem = "cvttsd2si"; break;
               case 0x2D: mnem = "cvtsd2i"; break;
               case 0x51: mnem = "sqrtsd"; break;
               case 0x58: mnem = "addsd"; break;
               case 0x59: mnem = "mulsd"; break;
               case 0x5A: mnem = "cvtsd2ss"; break;
               case 0x5C: mnem = "subsd"; break;
               case 0x5E: mnem = "divsd"; break;
+              default: UNIMPLEMENTED();
             }
             data += 3;
             int mod, regop, rm;
             GetModRm(*data, &mod, &regop, &rm);
             if (b2 == 0x2A) {
               Print(mnem);
               Print(" ");
               PrintXmmRegister(regop);
               Print(",");
               data += PrintRightOperand(data);
-            } else if (b2 == 0x2D) {
+            } else if ((b2 == 0x2D) || (b2 == 0x2C)) {
               Print(mnem);
               Print(" ");
               PrintCPURegister(regop);
               Print(",");
               PrintXmmRegister(rm);
               data++;
             } else {
               Print(mnem);
               Print(" ");
               PrintXmmRegister(regop);
@@ skipping 74 matching lines @@
                                   human_buffer,
                                   sizeof(human_buffer),
                                   pc);
     pc += instruction_length;
   }
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32