On Mon, Oct 29, 2018 at 12:31:28AM -0700, Andrew Pinski wrote: > > PR rtl-optimization/87701 > > PR rtl-optimization/87780 > > * combine.c (make_more_copies): Rewrite. > > I think a better changelog would be :): > * combine.c (make_more_copies): Rewrite to be simplier.
But it is not simpler at all now: *not* removing old notes while changing RTL instructions is a very bad idea often; and modifying instructions while not being very careful upsets DF. It may *look* simple now ;-) Segher