On 20 April 2015 at 17:48, Kyrill Tkachov <kyrylo.tkac...@arm.com> wrote: > Hi all, > > When calculating the rtx costs of an arithmetic operation combined with > zero or sign extension of its operand we should use the extend_arith > cost rather than the arith_shift cost. > > Bootstrapped and tested on aarch64-linux. > Ok for trunk? > > Thanks, > Kyrill > > 2015-04-20 Kyrylo Tkachov <kyrylo.tkac...@arm.com> > > * config/aarch64/aarch64.c (aarch64_rtx_costs): Use extend_arith > rather than arith_shift cost when costing ADD/MINUS of an > extended value.
OK /Marcus
