Add several SIMD opcodes to IA32

src/ia32/disasm-ia32.cc

Index: src/ia32/disasm-ia32.cc
diff --git a/src/ia32/disasm-ia32.cc b/src/ia32/disasm-ia32.cc
index a0a4e1ceeb21d1fe3dd7a65777d2ee9b79dc24d6..32cc0d386575dd6a50eb5fd3861065cd47041291 100644
--- a/src/ia32/disasm-ia32.cc
+++ b/src/ia32/disasm-ia32.cc
@@ -1929,6 +1929,18 @@ int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer,
                            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);