* Makefile.in (cfgrtl.o): Add.

	* basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
	free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
	free_aux_for_edge): Declare.
	* cfg.c
	(HAVE_return): Undefine.
	* basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
	free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
	free_aux_for_edge): New global functions.
	(first_delete_block): New static variable.
	(init_flow): Clear first_delete_block.
	(basic_block_for_insn, label_value_list, tail_recursion_label_list,
	 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
	 try_redirect_by_replacing_jump, last_loop_beg_note,
	 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
	 delete_insn, delete_insn_chain, create_basic_block_structure,
	 create_basic_block, flow_delete_block, compute_bb_for_insn,
	 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
	 set_block_for_new_insns, split_block, merge_blocks_nomove,
	 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
	 redirect_edge_and_branch, force_nonfallthru_and_redirect,
	 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
	 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
	 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
	 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
	 purge_all_dead_edges): Move to ....
	* cfgrtl.c: New file; .... Here.

	* bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
	(reroder_basic_block): Use alloc_aux_for_blocks.
	* predict.c (estimate_bb_frequencies): Likewise; use
	alloc_aux_for_edges.
	* profile.c (compute_branch_probabilities): Likewise.
	(branch_prob): Likewise.
	* reg-stack.c (reg_to_stack): Likewise.

	* emit-rtl.c (emit_insns_after): Never return NULL.

	* basic-block.h (set_block_for_new_insns): Delete.
	* cfgrtl.c (set_block_for_new_insns): Delete.

	* cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
	calls when crossjumping.

	* cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
	* unroll.c (copy_loop_body): Use delete_insn.

	* final.c (final, final_scan_insn): Use delete_insn/delete_note.
	* function.c (fixup_var_refs_insn, fixup_var_refs_1,
	keep_stack_depressed): Likewise.
	* gcse.c (cprop_cc0_jump): Likewise.
	* local-alloc.c (update_equiv_regs): Likewise.
	* loop.c (scan_loop, loop_delete_insns): Likewise.
	* regmove.c (try_auto_increment, fixup_match_1): Likewise.
	* reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
	delete_output_reload, delete_address_reloads_1,
	reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
	Likewise.
	* sibcall.c (replace_call_placeholder): Likewise.
	* cse.c (cse_insn): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45807 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 2 insertions, 5 deletions

diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index c247048b4d6..2b39b71d7bc 100644
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -420,7 +420,6 @@ reg_to_stack (first, file)
 {
   int i;
   int max_uid;
-  block_info bi;
 
   /* Clean up previous run.  */
   if (stack_regs_mentioned_data)
@@ -449,18 +448,16 @@ reg_to_stack (first, file)
   mark_dfs_back_edges ();
 
   /* Set up block info for each basic block.  */
-  bi = (block_info) xcalloc ((n_basic_blocks + 1), sizeof (*bi));
+  alloc_aux_for_blocks (sizeof (struct block_info_def));
   for (i = n_basic_blocks - 1; i >= 0; --i)
     {
       edge e;
       basic_block bb = BASIC_BLOCK (i);
-      bb->aux = bi + i;
       for (e = bb->pred; e; e=e->pred_next)
 	if (!(e->flags & EDGE_DFS_BACK)
 	    && e->src != ENTRY_BLOCK_PTR)
 	  BLOCK_INFO (bb)->predecesors++;
     }
-  EXIT_BLOCK_PTR->aux = bi + n_basic_blocks;
 
   /* Create the replacement registers up front.  */
   for (i = FIRST_STACK_REG; i <= LAST_STACK_REG; i++)
@@ -500,7 +497,7 @@ reg_to_stack (first, file)
 
   convert_regs (file);
 
-  free (bi);
+  free_aux_for_blocks ();
 }
 
 /* Check PAT, which is in INSN, for LABEL_REFs.  Add INSN to the