[LLVMdev] New backend help request.

[Renato Golin]

On 9 July 2015 at 13:00, James Boulton <eiconic at googlemail.com> wrote:
> What about things like pre_store and post_store, though? If there was a pre_load and post_load this would largely solve the problem. Of course there are a wealth of addressing modes for the 68k, but they should be able to be dealt with like this I think?

We do have write-back addressing modes in ARM, but IIRC, that's
encoded in the instruction, not as a pattern. Ie. it won't generate
(or collapse) additional write-back instructions, just choose the one
that does write-back.

--renato