Add several SIMD opcodes to IA32

src/ia32/disasm-ia32.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <assert.h>
 #include <stdarg.h>
 #include <stdio.h>
 
 #if V8_TARGET_ARCH_IA32
 
@@ skipping 1911 matching lines @@
                            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 if (*data == 0xFA) {
+            data++;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            AppendToBuffer("psubd %s,", NameOfXMMRegister(regop));
+            data += PrintRightXMMOperand(data);
+          } else if (*data == 0xFE) {
+            data++;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            AppendToBuffer("paddd %s,", NameOfXMMRegister(regop));
+            data += PrintRightXMMOperand(data);
           } else if (*data == 0xB1) {
             data++;
             data += PrintOperands("cmpxchg_w", OPER_REG_OP_ORDER, data);
           } else {
             UnimplementedInstruction();
           }
         } else {
           UnimplementedInstruction();
         }
         break;
@@ skipping 393 matching lines @@
       fprintf(f, "  ");
     }
     fprintf(f, "  %s\n", buffer.start());
   }
 }
 
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_IA32