#source: x86-64-cbw.s #objdump: -dwMintel #name: x86-64 CBW/CWD & Co (Intel disassembly) .*: +file format .* Disassembly of section .text: 0+000 <_cbw>: 0: 66 98 cbw 2: 98 cwde 3: 48 98 cdqe 5: 66 40 98 rex cbw 8: 40 98 rex cwde a: 66 48 98 data16 cdqe 0+00d <_cwd>: d: 66 99 cwd f: 99 cdq 10: 48 99 cqo 12: 66 40 99 rex cwd 15: 40 99 rex cdq 17: 66 48 99 data16 cqo #pass