On May 13, 2014, at 10:27 PM, Kyrill Tkachov <kyrylo.tkac...@arm.com> wrote:
> Hi all, > > In haifa-sched.c (in rank_for_schedule) I notice that live range shrinkage is > not performed when SCHED_PRESSURE_MODEL is used and the comment mentions that > it results in much worse code. > > Could anyone elaborate on this? Was it just empirically noticed on x86_64? + Richard Sandiford who wrote SCHED_PRESSURE_MODEL -- Maxim Kuvyrkov www.linaro.org
