Debugging with GDB (September 2007)

Chapter 7: Examining Source Files 61
Some architectures have more than one commonly-used set of instruction mnemonics or
other syntax.
set disassembly-flavor instruction-set
Select the instruction set to use when disassembling the program via the
disassemble or x/i commands.
Currently this command is only defined for the Intel x86 family. You can set
instruction-set to either intel or att. The default is att, the AT&T flavor
used by default by Unix assemblers for x86-based targets.