diff options
Diffstat (limited to 'disassembler/disassembler_x86.cc')
| -rw-r--r-- | disassembler/disassembler_x86.cc | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/disassembler/disassembler_x86.cc b/disassembler/disassembler_x86.cc index b012bc1cc1..135a5c6770 100644 --- a/disassembler/disassembler_x86.cc +++ b/disassembler/disassembler_x86.cc @@ -640,6 +640,21 @@ DISASSEMBLER_ENTRY(cmp, store = true; immediate_bytes = 1; break; + case 0x7C: + if (prefix[0] == 0xF2) { + opcode << "haddps"; + prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode + } else if (prefix[2] == 0x66) { + opcode << "haddpd"; + prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode + } else { + opcode << StringPrintf("unknown opcode '0F %02X'", *instr); + break; + } + src_reg_file = dst_reg_file = SSE; + has_modrm = true; + load = true; + break; case 0x7E: if (prefix[2] == 0x66) { src_reg_file = SSE; @@ -732,6 +747,18 @@ DISASSEMBLER_ENTRY(cmp, opcode << StringPrintf("unknown opcode '0F %02X'", *instr); } break; + case 0xC6: + if (prefix[2] == 0x66) { + opcode << "shufpd"; + prefix[2] = 0; + } else { + opcode << "shufps"; + } + has_modrm = true; + store = true; + src_reg_file = dst_reg_file = SSE; + immediate_bytes = 1; + break; case 0xC7: static const char* x0FxC7_opcodes[] = { "unknown-0f-c7", "cmpxchg8b", "unknown-0f-c7", "unknown-0f-c7", "unknown-0f-c7", "unknown-0f-c7", "unknown-0f-c7", "unknown-0f-c7" }; modrm_opcodes = x0FxC7_opcodes; |