#source: ./revl.s #objdump: -dr .*: file format .* Disassembly of section \.text: 00000000 <\.text>: 0: fd 67 00 revl r0, r0 3: fd 67 0f revl r0, r15 6: fd 67 f0 revl r15, r0 9: fd 67 ff revl r15, r15