On 08/28/2017 02:39 AM, Richard Sandiford wrote: > The SVE patches change the size of a machine_mode from a compile-time > constant to a runtime invariant. However, target-specific code can > continue to treat the modes as constant-sized if the target only has > constant-sized modes. > > The main snag with this approach is that target-independent code still > uses macros from the target .h file. This patch is one of several that > converts a target macro to a hook. > > Tested on aarch64-linux-gnu, x86_64-linux-gnu and powerpc64le-linux-gnu. > Also tested by checking that there were no extra warnings or changes in > testsuite assembly output for at least one target per CPU. OK to install? > > Richard > > > 2017-08-28 Richard Sandiford <richard.sandif...@linaro.org> > Alan Hayward <alan.hayw...@arm.com> > David Sherwood <david.sherw...@arm.com> > > gcc/ > * target.def (hard_regno_call_part_clobbered): New hook. > * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with... > (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook. > * doc/tm.texi: Regenerate. > * hooks.h (hook_bool_uint_mode_false): Declare. > * hooks.c (hook_bool_uint_mode_false): New function. > * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete. > * cselib.c (cselib_process_insn): Use > targetm.hard_regno_call_part_clobbered instead of > HARD_REGNO_CALL_PART_CLOBBERED. > * ira-conflicts.c (ira_build_conflicts): Likewise. > * ira-costs.c (ira_tune_allocno_costs): Likewise. > * lra-constraints.c (need_for_call_save_p): Likewise. > * lra-lives.c: Include target.h. > (check_pseudos_live_through_calls): Use > targetm.hard_regno_call_part_clobbered instead of > HARD_REGNO_CALL_PART_CLOBBERED. > * regcprop.c: Include target.h. > (copyprop_hardreg_forward_1): Use > targetm.hard_regno_call_part_clobbered instead of > HARD_REGNO_CALL_PART_CLOBBERED. > * reginfo.c (choose_hard_reg_mode): Likewise. > * regrename.c (check_new_reg_p): Likewise. > * reload.c (find_equiv_reg): Likewise. > * reload1.c (emit_reload_insns): Likewise. > * sched-deps.c (deps_analyze_insn): Likewise. > * sel-sched.c (init_regs_for_mode): Likewise. > (mark_unavailable_hard_regs): Likewise. > * targhooks.c (default_dwarf_frame_reg_mode): Likewise. > * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete. > * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered): > New function. > (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine. > * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete. > * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): > Delete. > * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static > and return a bool. > (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine. > * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete. > * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New > function. > (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine. > * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete. > * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New > function. > (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine. > * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED): > Delete. > * config/powerpcspe/powerpcspe.c > (rs6000_hard_regno_call_part_clobbered): New function. > (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine. > * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete. > * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): > New function. > (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine. > * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete. > * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New > function. > (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine. > * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete. > * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison. OK.
jeff
