[PATCH v8 11/30] powerpc: Use a datatype for instructions

[Jordan Niethe]

Hi mpe,
On Wed, May 6, 2020 at 1:45 PM Jordan Niethe <jniethe5 at 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 <jniethe5 at gmail.com>
> ---