On Fri, Jul 1, 2011 at 8:31 PM, Richard Henderson <r...@redhat.com> wrote: > The implementation of TARGET_SCHED_PROLOG is incompatible with > some coming changes to how dwarf2 cfi is to be generated. > > Some suggested solutions are: > > (1) Remove the option. Is it really that interesting > beyond -mno-sched-insns2? > > (2) Emit blockage insns at the end of the prologue > and the beginning of the epilogue. That'll prevent > the majority of the changes that scheduling could > introduce. > > (3) Emit the prologue and epilogue somewhere after > scheduling and before final. E.g. md_reorg. > > I'd be delighted if someone could actually implement one > of these changes at some point in the next week, but > failing that please weigh in on the preferred solution.
As we discussed on IRC, (1) with and eventual implementation of (2) are okay. Thanks, David
