On Fri, Jun 01, 2018 at 02:49:51PM -0400, Paul Koning wrote: > Given that the starting insn had a post_inc in it, what would be a proper > parallel... construct? If the post_inc only appears in one of the two > mentions of the source operatnd, then the match_dup is going to fail. I > suppose I can disallow pre and post_inc addressing modes, but that would > be a lost optimization opportunity.
E.g. compare-elim could punt on instructions with the auto-incs.
Jakub
