SSE2 truncating double-to-i.

src/ia32/disasm-ia32.cc

 // Copyright 2007-2008 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 1164 matching lines @@
           } else if (*data == 0x70) {
             data++;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
             int8_t imm8 = static_cast<int8_t>(data[1]);
             AppendToBuffer("pshufd %s,%s,%d",
                            NameOfXMMRegister(regop),
                            NameOfXMMRegister(rm),
                            static_cast<int>(imm8));
             data += 2;
+          } else if (*data == 0xF3) {
+            data++;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            AppendToBuffer("psllq %s,%s",
+                           NameOfXMMRegister(regop),
+                           NameOfXMMRegister(rm));
+            data++;
           } else if (*data == 0x73) {
             data++;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
             int8_t imm8 = static_cast<int8_t>(data[1]);
-            AppendToBuffer("psllq %s,%d",
+            ASSERT(regop == esi || regop == edx);
+            AppendToBuffer("%s %s,%d",
+                           (regop == esi) ? "psllq" : "psrlq",
                            NameOfXMMRegister(rm),
                            static_cast<int>(imm8));
             data += 2;
+          } else if (*data == 0xD3) {
+            data++;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            AppendToBuffer("psrlq %s,%s",
+                           NameOfXMMRegister(regop),
+                           NameOfXMMRegister(rm));
+            data++;
           } else if (*data == 0x7F) {
             AppendToBuffer("movdqa ");
             data++;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
             data += PrintRightOperand(data);
             AppendToBuffer(",%s", NameOfXMMRegister(regop));
           } else if (*data == 0x7E) {
             data++;
             int mod, regop, rm;
@@ skipping 17 matching lines @@
             data += PrintRightOperand(data);
             AppendToBuffer(",%s", NameOfXMMRegister(regop));
           } else if (*data == 0xEF) {
             data++;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
             AppendToBuffer("pxor %s,%s",
                            NameOfXMMRegister(regop),
                            NameOfXMMRegister(rm));
             data++;
+          } else if (*data == 0xEB) {
+            data++;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            AppendToBuffer("por %s,%s",
+                           NameOfXMMRegister(regop),
+                           NameOfXMMRegister(rm));
+            data++;
           } else {
             UnimplementedInstruction();
           }
         } else {
           UnimplementedInstruction();
         }
         break;
 
       case 0xFE:
         { data++;
@@ skipping 311 matching lines @@
       fprintf(f, "  ");
     }
     fprintf(f, "  %s\n", buffer.start());
   }
 }
 
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_IA32