diff options
Diffstat (limited to 'disassembler')
| -rw-r--r-- | disassembler/disassembler_x86.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/disassembler/disassembler_x86.cc b/disassembler/disassembler_x86.cc index cba4ebf..614eca1 100644 --- a/disassembler/disassembler_x86.cc +++ b/disassembler/disassembler_x86.cc @@ -1040,8 +1040,13 @@ DISASSEMBLER_ENTRY(cmp, instr++; } else { CHECK_EQ(immediate_bytes, 4u); - args << StringPrintf("%d", *reinterpret_cast<const int32_t*>(instr)); - instr += 4; + if (prefix[2] == 0x66) { // Operand size override from 32-bit to 16-bit. + args << StringPrintf("%d", *reinterpret_cast<const int16_t*>(instr)); + instr += 2; + } else { + args << StringPrintf("%d", *reinterpret_cast<const int32_t*>(instr)); + instr += 4; + } } } else if (branch_bytes > 0) { DCHECK(!has_modrm); |