On 9/9/19 10:01 AM, Richard Sandiford wrote:
> Use "x &= ~y" instead of "AND_COMPL_HARD_REG_SET (x, y)", or just
> "x & ~y" if the result is a temporary. This means that we're splitting
> it into two operations, but the compiler should be able to combine them
> for reasonable values of FIRST_PSEUDO_REGISTER.
>
>
> 2019-09-09 Richard Sandiford <richard.sandif...@arm.com>
>
> gcc/
> * hard-reg-set.h (AND_COMPL_HARD_REG_SET): Delete.
> * caller-save.c (setup_save_areas): Use "&~" instead of
> AND_COMPL_HARD_REG_SET.
> (save_call_clobbered_regs): Likewise.
> * config/epiphany/epiphany.c (epiphany_conditional_register_usage):
> Likewise.
> * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
> * config/gcn/gcn.c (gcn_md_reorg): Likewise.
> * config/i386/i386.c (ix86_conditional_register_usage): Likewise.
> * config/mips/mips.c (mips_class_max_nregs): Likewise.
> (mips_conditional_register_usage): Likewise.
> * config/sh/sh.c (output_stack_adjust): Likewise.
> * ira-color.c (form_allocno_hard_regs_nodes_forest): Likewise.
> (setup_profitable_hard_regs): Likewise.
> (get_conflict_and_start_profitable_regs): Likewise.
> * ira-conflicts.c (print_allocno_conflicts): Likewise.
> (ira_build_conflicts): Likewise.
> * ira-costs.c (restrict_cost_classes): Likewise.
> (setup_regno_cost_classes_by_aclass): Likewise.
> * ira-lives.c (process_bb_node_lives): Likewise.
> * ira.c (setup_class_hard_regs, setup_reg_subclasses): Likewise.
> (setup_class_subset_and_memory_move_costs, setup_pressure_classes)
> (setup_allocno_and_important_classes, setup_class_translate_array)
> (setup_reg_class_relations, setup_prohibited_class_mode_regs):
> Likewise.
> * lra-assigns.c (find_hard_regno_for_1): Likewise.
> * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
> (process_alt_operands, inherit_in_ebb): Likewise.
> * lra-eliminations.c (update_reg_eliminate): Likewise.
> * lra-lives.c (process_bb_lives): Likewise.
> * reload1.c (update_eliminables_and_spill, reload_as_needed): Likewise.
> * resource.c (find_dead_or_set_registers): Likewise.
> (mark_target_live_regs): Likewise.
> * sched-deps.c (get_implicit_reg_pending_clobbers): Likewise.
> * sel-sched.c (mark_unavailable_hard_regs): Likewise.
> (implicit_clobber_conflict_p): Likewise.
> * shrink-wrap.c (requires_stack_frame_p): Likewise.
> (try_shrink_wrapping): Likewise.
OK
jeff
