On Wed, May 13, 2015 at 1:15 PM, Segher Boessenkool <seg...@kernel.crashing.org> wrote: > This patch changes rs6000_rtx_costs to be closer to reality. It is > still not quite right, but at least it handles more cases, so the > > (set (reg:SI) (eq:SI (reg:SI) (reg:SI))) > > from the PR isn't taken as costing 1 insn anymore, while setting > a reg:DI was cost 3 insns. The mode of the dest doesn't matter at > all here, not for any of our current scc patterns. > > Testing in progress; okay for trunk? > > > Segher > > > 2015-05-13 Segher Boessenkool <seg...@kernel.crashing.org> > > PR rtl-optimization/30967 > * config/rs6000/rs6000.c (rs6000_rtx_costs): Don't consider > destination mode for the cost of scc patterns.
Okay. Should this be applied to GCC 5 branch? thanks, David
