Remove AND_COMPL_HARD_REG_SET

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.sandiford@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.

From-SVN: r275532

1 files changed, 6 insertions, 8 deletions

diff --git a/gcc/caller-save.c b/gcc/caller-save.c
index b6bcb7b..8c88af9 100644
--- a/gcc/caller-save.c
+++ b/gcc/caller-save.c
@@ -455,8 +455,7 @@ setup_save_areas (void)
       if (SIBLING_CALL_P (insn) && crtl->return_rtx)
 	mark_set_regs (crtl->return_rtx, NULL_RTX, &this_insn_sets);
 
-      AND_COMPL_HARD_REG_SET (used_regs, call_fixed_reg_set);
-      AND_COMPL_HARD_REG_SET (used_regs, this_insn_sets);
+      used_regs &= ~(call_fixed_reg_set | this_insn_sets);
       hard_regs_to_save &= used_regs;
       for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
 	if (TEST_HARD_REG_BIT (hard_regs_to_save, regno))
@@ -540,8 +539,7 @@ setup_save_areas (void)
 	  if (SIBLING_CALL_P (insn) && crtl->return_rtx)
 	    mark_set_regs (crtl->return_rtx, NULL_RTX, &this_insn_sets);
 
-	  AND_COMPL_HARD_REG_SET (used_regs, call_fixed_reg_set);
-	  AND_COMPL_HARD_REG_SET (used_regs, this_insn_sets);
+	  used_regs &= ~(call_fixed_reg_set | this_insn_sets);
 	  hard_regs_to_save &= used_regs;
 	  for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
 	    if (TEST_HARD_REG_BIT (hard_regs_to_save, regno))
@@ -796,7 +794,7 @@ save_call_clobbered_regs (void)
 		 afterwards.  */
 	      CLEAR_HARD_REG_SET (this_insn_sets);
 	      note_stores (insn, mark_set_regs, &this_insn_sets);
-	      AND_COMPL_HARD_REG_SET (hard_regs_saved, this_insn_sets);
+	      hard_regs_saved &= ~this_insn_sets;
 	    }
 
 	  if (code == CALL_INSN
@@ -852,9 +850,9 @@ save_call_clobbered_regs (void)
 	      note_stores (insn, mark_set_regs, &this_insn_sets);
 
 	      /* Compute which hard regs must be saved before this call.  */
-	      AND_COMPL_HARD_REG_SET (hard_regs_to_save, call_fixed_reg_set);
-	      AND_COMPL_HARD_REG_SET (hard_regs_to_save, this_insn_sets);
-	      AND_COMPL_HARD_REG_SET (hard_regs_to_save, hard_regs_saved);
+	      hard_regs_to_save &= ~(call_fixed_reg_set
+				     | this_insn_sets
+				     | hard_regs_saved);
 	      get_call_reg_set_usage (insn, &call_def_reg_set,
 				      call_used_reg_set);
 	      hard_regs_to_save &= call_def_reg_set;