| Index: src/ia32/disasm-ia32.cc | 
| diff --git a/src/ia32/disasm-ia32.cc b/src/ia32/disasm-ia32.cc | 
| index 6e99d9bda03b49d287302c3f0f6566c6188cfd54..31a0f6640f40def1a85cff54cd54bfa2966ce5b5 100644 | 
| --- a/src/ia32/disasm-ia32.cc | 
| +++ b/src/ia32/disasm-ia32.cc | 
| @@ -802,6 +802,17 @@ int DisassemblerIA32::AVXInstruction(byte* data) { | 
| current += PrintRightOperand(current); | 
| AppendToBuffer(",%s", NameOfCPURegister(vvvv)); | 
| break; | 
| +#define DECLARE_SSE_AVX_DIS_CASE(instruction, notUsed1, notUsed2, notUsed3, \ | 
| +                                 opcode)                                    \ | 
| +  case 0x##opcode: {                                                        \ | 
| +    AppendToBuffer("v" #instruction " %s,%s,", NameOfXMMRegister(regop),    \ | 
| +                   NameOfXMMRegister(vvvv));                                \ | 
| +    current += PrintRightXMMOperand(current);                               \ | 
| +    break;                                                                  \ | 
| +  } | 
| + | 
| +        SSE4_INSTRUCTION_LIST(DECLARE_SSE_AVX_DIS_CASE) | 
| +#undef DECLARE_SSE_AVX_DIS_CASE | 
| default: | 
| UnimplementedInstruction(); | 
| } | 
| @@ -1696,19 +1707,27 @@ int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer, | 
| data++; | 
| if (*data == 0x38) { | 
| data++; | 
| -            if (*data == 0x17) { | 
| -              data++; | 
| -              int mod, regop, rm; | 
| -              get_modrm(*data, &mod, ®op, &rm); | 
| -              AppendToBuffer("ptest %s,%s", | 
| -                             NameOfXMMRegister(regop), | 
| -                             NameOfXMMRegister(rm)); | 
| -              data++; | 
| -            } else if (*data == 0x2A) { | 
| -              // movntdqa | 
| -              UnimplementedInstruction(); | 
| -            } else { | 
| -              UnimplementedInstruction(); | 
| +            byte op = *data; | 
| +            data++; | 
| +            int mod, regop, rm; | 
| +            get_modrm(*data, &mod, ®op, &rm); | 
| +            switch (op) { | 
| +              case 0x17: | 
| +                AppendToBuffer("ptest %s,%s", NameOfXMMRegister(regop), | 
| +                               NameOfXMMRegister(rm)); | 
| +                data++; | 
| +                break; | 
| +#define SSE4_DIS_CASE(instruction, notUsed1, notUsed2, notUsed3, opcode) \ | 
| +  case 0x##opcode: {                                                     \ | 
| +    AppendToBuffer(#instruction " %s,", NameOfXMMRegister(regop));       \ | 
| +    data += PrintRightXMMOperand(data);                                  \ | 
| +    break;                                                               \ | 
| +  } | 
| + | 
| +                SSE4_INSTRUCTION_LIST(SSE4_DIS_CASE) | 
| +#undef SSE4_DIS_CASE | 
| +              default: | 
| +                UnimplementedInstruction(); | 
| } | 
| } else if (*data == 0x3A) { | 
| data++; | 
| @@ -1831,28 +1850,6 @@ int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer, | 
| NameOfXMMRegister(rm), | 
| static_cast<int>(imm8)); | 
| data += 2; | 
| -          } else if (*data == 0x62) { | 
| -            data++; | 
| -            int mod, regop, rm; | 
| -            get_modrm(*data, &mod, ®op, &rm); | 
| -            AppendToBuffer("punpckldq %s,%s", NameOfXMMRegister(regop), | 
| -                           NameOfXMMRegister(rm)); | 
| -            data++; | 
| -          } else if (*data == 0x6A) { | 
| -            data++; | 
| -            int mod, regop, rm; | 
| -            get_modrm(*data, &mod, ®op, &rm); | 
| -            AppendToBuffer("punpckhdq %s,%s", NameOfXMMRegister(regop), | 
| -                           NameOfXMMRegister(rm)); | 
| -            data++; | 
| -          } else if (*data == 0x76) { | 
| -            data++; | 
| -            int mod, regop, rm; | 
| -            get_modrm(*data, &mod, ®op, &rm); | 
| -            AppendToBuffer("pcmpeqd %s,%s", | 
| -                           NameOfXMMRegister(regop), | 
| -                           NameOfXMMRegister(rm)); | 
| -            data++; | 
| } else if (*data == 0x90) { | 
| data++; | 
| AppendToBuffer("nop");  // 2 byte nop. | 
| @@ -1914,14 +1911,6 @@ int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer, | 
| data += PrintRightOperand(data); | 
| AppendToBuffer(",%d", *reinterpret_cast<int8_t*>(data)); | 
| data++; | 
| -          } else if (*data == 0xDB) { | 
| -            data++; | 
| -            int mod, regop, rm; | 
| -            get_modrm(*data, &mod, ®op, &rm); | 
| -            AppendToBuffer("pand %s,%s", | 
| -                           NameOfXMMRegister(regop), | 
| -                           NameOfXMMRegister(rm)); | 
| -            data++; | 
| } else if (*data == 0xE7) { | 
| data++; | 
| int mod, regop, rm; | 
| @@ -1932,39 +1921,27 @@ int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer, | 
| } else { | 
| UnimplementedInstruction(); | 
| } | 
| -          } else if (*data == 0xEF) { | 
| -            data++; | 
| -            int mod, regop, rm; | 
| -            get_modrm(*data, &mod, ®op, &rm); | 
| -            AppendToBuffer("pxor %s,%s", | 
| -                           NameOfXMMRegister(regop), | 
| -                           NameOfXMMRegister(rm)); | 
| -            data++; | 
| -          } else if (*data == 0xEB) { | 
| -            data++; | 
| -            int mod, regop, rm; | 
| -            get_modrm(*data, &mod, ®op, &rm); | 
| -            AppendToBuffer("por %s,%s", | 
| -                           NameOfXMMRegister(regop), | 
| -                           NameOfXMMRegister(rm)); | 
| -            data++; | 
| -          } else if (*data == 0xFA) { | 
| -            data++; | 
| -            int mod, regop, rm; | 
| -            get_modrm(*data, &mod, ®op, &rm); | 
| -            AppendToBuffer("psubd %s,", NameOfXMMRegister(regop)); | 
| -            data += PrintRightXMMOperand(data); | 
| -          } else if (*data == 0xFE) { | 
| -            data++; | 
| -            int mod, regop, rm; | 
| -            get_modrm(*data, &mod, ®op, &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(); | 
| +            byte op = *data; | 
| +            data++; | 
| +            int mod, regop, rm; | 
| +            get_modrm(*data, &mod, ®op, &rm); | 
| +            switch (op) { | 
| +#define SSE2_DIS_CASE(instruction, notUsed1, notUsed2, opcode)     \ | 
| +  case 0x##opcode: {                                               \ | 
| +    AppendToBuffer(#instruction " %s,", NameOfXMMRegister(regop)); \ | 
| +    data += PrintRightXMMOperand(data);                            \ | 
| +    break;                                                         \ | 
| +  } | 
| + | 
| +              SSE2_INSTRUCTION_LIST(SSE2_DIS_CASE) | 
| +#undef SSE2_DIS_CASE | 
| +              default: | 
| +                UnimplementedInstruction(); | 
| +            } | 
| } | 
| } else { | 
| UnimplementedInstruction(); | 
|  |