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..7ee406c7459c4735543621ded90875ffa123ef03 100644
--- a/src/ia32/disasm-ia32.cc
+++ b/src/ia32/disasm-ia32.cc
@@ -10,6 +10,7 @@
 
 #include "src/base/compiler-specific.h"
 #include "src/disasm.h"
+#include "src/ia32/sse-instr.h"
 
 namespace disasm {
 
@@ -1002,6 +1003,16 @@ int DisassemblerIA32::AVXInstruction(byte* data) {
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
+#define DECLARE_SSE_AVX_DIS_CASE(instruction, notUsed1, notUsed2, opcode) \
+  case 0x##opcode: {                                                      \
+    AppendToBuffer("v" #instruction " %s,%s,", NameOfXMMRegister(regop),  \
+                   NameOfXMMRegister(vvvv));                              \
+    current += PrintRightXMMOperand(current);                             \
+    break;                                                                \
+  }
+
+        SSE2_INSTRUCTION_LIST(DECLARE_SSE_AVX_DIS_CASE)
+#undef DECLARE_SSE_AVX_DIS_CASE
       default:
         UnimplementedInstruction();
     }
@@ -1929,6 +1940,18 @@ 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);