On 07/18/2011 12:09 PM, Steven Bosscher wrote: > On Mon, Jul 18, 2011 at 8:48 PM, Richard Henderson <r...@redhat.com> wrote: >> Split out a helper subroutine to insert a barrier, >> after we've modified a basic block to not fallthru. > > Huh, aren't barriers emitted automatically when going out of cfglayout mode??
Are they? I didn't even think to look... I wonder how much of this code is completely redundant with cfglayout mode. Certainly there seems to be code in force_nonfallthru that seems to do the same job as two of the bb-reorder-and-partition routines... r~
