diff options
Diffstat (limited to 'disassembler/disassembler_x86.cc')
| -rw-r--r-- | disassembler/disassembler_x86.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/disassembler/disassembler_x86.cc b/disassembler/disassembler_x86.cc index 6d82f0a882..ef83498ac4 100644 --- a/disassembler/disassembler_x86.cc +++ b/disassembler/disassembler_x86.cc @@ -392,6 +392,17 @@ DISASSEMBLER_ENTRY(cmp, has_modrm = true; src_reg_file = dst_reg_file = SSE; break; + case 0x62: + if (prefix[2] == 0x66) { + src_reg_file = dst_reg_file = SSE; + prefix[2] = 0; // Clear prefix now. It has served its purpose as part of the opcode. + } else { + src_reg_file = dst_reg_file = MMX; + } + opcode << "punpckldq"; + load = true; + has_modrm = true; + break; case 0x6E: if (prefix[2] == 0x66) { dst_reg_file = SSE; |