On Thu, May 23, 2019 at 04:27:34AM -0500, Bill Schmidt wrote: > This patch introduces the infrastructure to support -mcpu=future, used for > features > in a future architecture, as yet unnamed. Reworked to incorporate comments > from > Segher and Alan. Thanks for the reviews! > > Bootstrapped and tested on powerpc64le-unknown-linux-gnu with no regressions. > Is > this okay for trunk?
Yes please. Thanks, Segher > 2019-05-23 Bill Schmidt <wschm...@linux.ibm.com> > Michael Meissner <meiss...@linux.ibm.com> > Segher Boessenkool <seg...@kernel.crashing.org> > > * config.gcc: Add future cpu. > * config/rs6000/driver-rs6000.c (asm_names): Add future cpu. > * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New > #define. > (POWERPC_MASKS): Add OPTION_MASK_FUTURE. > (RS6000_CPU): New instantiation for future cpu. > * config/rs6000/rs6000-opts.h (enum processor_type): Add > PROCESSOR_FUTURE. > * config/rs6000/rs6000-string.c (expand_compare_loop): Treat > PROCESSOR_FUTURE like PROCESSOR_POWER9 for now. > * config/rs6000/rs6000-tables.opt: Regenerate. > * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat > PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now. > (rs6000_machine_from_flags): Handle future cpu. > (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like > PROCESSOR_POWER9 for now. > (rs6000_adjust_cost): Likewise. > (rs6000_issue_rate): Likewise. > (rs6000_register_move_cost): Likewise. > (rs6000_opt_mask): Add entry for future. > * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu. > (MASK_FUTURE): New #define. > * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu. > * config/rs6000/rs6000.opt (mfuture): New target option. > * doc/invoke.texi (mcpu): Add future cpu.
