df-core.c (df_set_blocks): Use bitmap_head instead of bitmap.

	* df-core.c (df_set_blocks): Use bitmap_head instead of bitmap.
	(df_compact_blocks): Likewise.
	* df.h (struct df): Turn hardware_regs_used,
	regular_block_artificial_uses, eh_block_artificial_uses,
	insns_to_delete, insns_to_rescan, insns_to_notes_rescan into
	bitmap_head.
	* df-problems.c (df_lr_local_compute, df_lr_confluence_0,
	df_byte_lr_alloc, df_simulate_fixup_sets): Update.
	* df-scan.c (df_scan_free_internal, df_scan_alloc, df_scan_start_dump,
	df_scan_blocks, df_insn_delete, df_insn_rescan,
	df_insn_rescan_debug_internal, df_insn_rescan_all,
	df_process_deferred_rescans, df_process_deferred_rescans,
	df_notes_rescan, df_get_call_refs, df_get_call_refs,
	regs_invalidated_by_call_regset, df_get_call_refs, df_bb_refs_collect,
	df_record_entry_block_defs, df_record_exit_block_uses,
	df_update_exit_block_uses, df_bb_verify, df_entry_block_bitmap_verify,
	df_scan_verify): Update.

From-SVN: r160348

1 files changed, 2 insertions, 2 deletions

diff --git a/gcc/dce.c b/gcc/dce.c
index 7191f90..38a5b30 100644
--- a/gcc/dce.c
+++ b/gcc/dce.c
@@ -960,8 +960,8 @@ fast_dce (bool byte_level)
      df_simulate_fixup_sets has the disadvantage of calling
      bb_has_eh_pred once per insn, so we cache the information
      here.  */
-  bitmap au = df->regular_block_artificial_uses;
-  bitmap au_eh = df->eh_block_artificial_uses;
+  bitmap au = &df->regular_block_artificial_uses;
+  bitmap au_eh = &df->eh_block_artificial_uses;
   int i;
 
   prescan_insns_for_dce (true);