Remove COPY_HARD_REG_SET

This patch replaces "COPY_HARD_REG_SET (x, y)" with "x = y".

2019-09-09  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* hard-reg-set.h (COPY_HARD_REG_SET): Delete.
	* caller-save.c (save_call_clobbered_regs): Use assignment instead
	of COPY_HARD_REG_SET.
	* config/epiphany/epiphany.c (epiphany_compute_frame_size): Likewise.
	(epiphany_conditional_register_usage): Likewise.
	* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
	* config/gcn/gcn.c (gcn_md_reorg): Likewise.
	* config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
	* config/m32c/m32c.c (m32c_register_move_cost): Likewise.
	* config/m68k/m68k.c (m68k_conditional_register_usage): Likewise.
	* config/mips/mips.c (mips_class_max_nregs): Likewise.
	* config/pdp11/pdp11.c (pdp11_conditional_register_usage): Likewise.
	* config/rs6000/rs6000.c (rs6000_register_move_cost): Likewise.
	* config/sh/sh.c (output_stack_adjust): Likewise.
	* final.c (collect_fn_hard_reg_usage): Likewise.
	(get_call_reg_set_usage): Likewise.
	* ira-build.c (ira_create_object, remove_low_level_allocnos)
	(ira_flattening): Likewise.
	* ira-color.c (add_allocno_hard_regs, add_allocno_hard_regs_to_forest)
	(setup_left_conflict_sizes_p, setup_profitable_hard_regs)
	(get_conflict_and_start_profitable_regs, allocno_reload_assign)
	(ira_reassign_pseudos): 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.c (setup_class_hard_regs, setup_alloc_regs): Likewise.
	(setup_reg_subclasses, setup_class_subset_and_memory_move_costs)
	(setup_stack_reg_pressure_class, setup_pressure_classes)
	(setup_allocno_and_important_classes, setup_class_translate_array)
	(setup_reg_class_relations, setup_prohibited_class_mode_regs)
	(ira_setup_eliminable_regset): Likewise.
	* lra-assigns.c (find_hard_regno_for_1): Likewise.
	(setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
	* lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
	(process_alt_operands, inherit_in_ebb): Likewise.
	* lra-lives.c (process_bb_lives): Likewise.
	* lra-spills.c (assign_spill_hard_regs): Likewise.
	* lra.c (lra): Likewise.
	* mode-switching.c (new_seginfo): Likewise.
	* postreload.c (reload_combine): Likewise.
	* reg-stack.c (straighten_stack): Likewise.
	* reginfo.c (save_register_info, restore_register_info): Likewise.
	(init_reg_sets_1, record_subregs_of_mode): Likewise
	* regrename.c (create_new_chain, rename_chains): Likewise.
	* reload1.c (order_regs_for_reload, find_reg): Likewise.
	(find_reload_regs): Likewise.
	* resource.c (find_dead_or_set_registers): Likewise.
	(mark_target_live_regs): Likewise.
	* sel-sched.c (mark_unavailable_hard_regs): Likewise.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@275528 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 7 insertions, 9 deletions

diff --git a/gcc/resource.c b/gcc/resource.c
index d4d86ce4179..5b738e0fb58 100644
--- a/gcc/resource.c
+++ b/gcc/resource.c
@@ -565,12 +565,12 @@ find_dead_or_set_registers (rtx_insn *target, struct resources *res,
 		    }
 
 		  target_res = *res;
-		  COPY_HARD_REG_SET (scratch, target_set.regs);
+		  scratch = target_set.regs;
 		  AND_COMPL_HARD_REG_SET (scratch, needed.regs);
 		  AND_COMPL_HARD_REG_SET (target_res.regs, scratch);
 
 		  fallthrough_res = *res;
-		  COPY_HARD_REG_SET (scratch, set.regs);
+		  scratch = set.regs;
 		  AND_COMPL_HARD_REG_SET (scratch, needed.regs);
 		  AND_COMPL_HARD_REG_SET (fallthrough_res.regs, scratch);
 
@@ -601,7 +601,7 @@ find_dead_or_set_registers (rtx_insn *target, struct resources *res,
       mark_referenced_resources (insn, &needed, true);
       mark_set_resources (insn, &set, 0, MARK_SRC_DEST_CALL);
 
-      COPY_HARD_REG_SET (scratch, set.regs);
+      scratch = set.regs;
       AND_COMPL_HARD_REG_SET (scratch, needed.regs);
       AND_COMPL_HARD_REG_SET (res->regs, scratch);
     }
@@ -960,7 +960,7 @@ mark_target_live_regs (rtx_insn *insns, rtx target_maybe_return, struct resource
 	     update it below.  */
 	  if (b == tinfo->block && b != -1 && tinfo->bb_tick == bb_ticks[b])
 	    {
-	      COPY_HARD_REG_SET (res->regs, tinfo->live_regs);
+	      res->regs = tinfo->live_regs;
 	      return;
 	    }
 	}
@@ -1121,7 +1121,7 @@ mark_target_live_regs (rtx_insn *insns, rtx target_maybe_return, struct resource
 	    IOR_HARD_REG_SET (current_live_regs, start_of_epilogue_needs.regs);
 	}
 
-      COPY_HARD_REG_SET (res->regs, current_live_regs);
+      res->regs = current_live_regs;
       if (tinfo != NULL)
 	{
 	  tinfo->block = b;
@@ -1160,7 +1160,7 @@ mark_target_live_regs (rtx_insn *insns, rtx target_maybe_return, struct resource
 	{
 	  mark_referenced_resources (insn, &needed, true);
 
-	  COPY_HARD_REG_SET (scratch, needed.regs);
+	  scratch = needed.regs;
 	  AND_COMPL_HARD_REG_SET (scratch, set.regs);
 	  IOR_HARD_REG_SET (new_resources.regs, scratch);
 
@@ -1171,9 +1171,7 @@ mark_target_live_regs (rtx_insn *insns, rtx target_maybe_return, struct resource
     }
 
   if (tinfo != NULL)
-    {
-      COPY_HARD_REG_SET (tinfo->live_regs, res->regs);
-    }
+    tinfo->live_regs = res->regs;
 }
 
 /* Initialize the resources required by mark_target_live_regs ().