Hi mpe, On Wed, May 6, 2020 at 1:45 PM Jordan Niethe <jniet...@gmail.com> wrote: > > Currently unsigned ints are used to represent instructions on powerpc. > This has worked well as instructions have always been 4 byte words. > However, a future ISA version will introduce some changes to
s/a future ISA version will introduce/ISA v3.1 introduces/ > instructions that mean this scheme will no longer work as well. This > change is Prefixed Instructions. A prefixed instruction is made up of a > word prefix followed by a word suffix to make an 8 byte double word > instruction. No matter the endianness of the system the prefix always > comes first. Prefixed instructions are only planned for powerpc64. > > Introduce a ppc_inst type to represent both prefixed and word > instructions on powerpc64 while keeping it possible to exclusively have > word instructions on powerpc32. > > Signed-off-by: Jordan Niethe <jniet...@gmail.com> > ---
