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, 8 insertions, 11 deletions

diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index d4eea85..16d96c5 100644
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -1854,8 +1854,7 @@ prohibited_class_reg_set_mode_p (enum reg_class rclass,
   HARD_REG_SET temp;
   
   lra_assert (hard_reg_set_subset_p (reg_class_contents[rclass], set));
-  temp = set;
-  AND_COMPL_HARD_REG_SET (temp, lra_no_alloc_regs);
+  temp = set & ~lra_no_alloc_regs;
   return (hard_reg_set_subset_p
 	  (temp, ira_prohibited_class_mode_regs[rclass][mode]));
 }
@@ -2513,13 +2512,11 @@ process_alt_operands (int only_alternative)
 
 	      if (this_alternative != NO_REGS)
 		{
-		  HARD_REG_SET available_regs;
-		  
-		  available_regs = reg_class_contents[this_alternative];
-		  AND_COMPL_HARD_REG_SET
-		    (available_regs,
-		     ira_prohibited_class_mode_regs[this_alternative][mode]);
-		  AND_COMPL_HARD_REG_SET (available_regs, lra_no_alloc_regs);
+		  HARD_REG_SET available_regs
+		    = (reg_class_contents[this_alternative]
+		       & ~((ira_prohibited_class_mode_regs
+			    [this_alternative][mode])
+			   | lra_no_alloc_regs));
 		  if (hard_reg_set_empty_p (available_regs))
 		    {
 		      /* There are no hard regs holding a value of given
@@ -6407,8 +6404,8 @@ inherit_in_ebb (rtx_insn *head, rtx_insn *tail)
 		      else
 			add_to_hard_reg_set (&s, PSEUDO_REGNO_MODE (dst_regno),
 					     reg_renumber[dst_regno]);
-		      AND_COMPL_HARD_REG_SET (live_hard_regs, s);
-		      AND_COMPL_HARD_REG_SET (potential_reload_hard_regs, s);
+		      live_hard_regs &= ~s;
+		      potential_reload_hard_regs &= ~s;
 		    }
 		  /* We should invalidate potential inheritance or
 		     splitting for the current insn usages to the next