* df.h (df_rd_bb_info, df_md_bb_info, df_lr_bb_info, df_live_bb_info,
	df_byte_lr_bb_info): Embedd bitmap_head into the structure.
	(DF_LIVE_IN, DF_LIVE_OUT, DF_LR_IN, DF_LR_OUT, DF_BYTE_LR_IN,
	DF_BYTE_LR_OUT): Update for embedded bitmaps.
	* fwprop.c (single_def_use_enter_block): Likewise.
	* ddg.c (create_ddg_dep_from_intra_loop_link,
	add_cross_iteration_register_deps, build_inter_loop_deps): Likewise.
	* loop-iv.c (latch_dominating_def): Likewise.
	* df-problems.c (df_rd_free_bb_info, df_rd_alloc,
	df_rd_bb_local_compute_process_def, df_rd_bb_local_compute_process_def,
	df_rd_init_solution, df_rd_init_solution, df_rd_transfer_function,
	df_rd_transfer_function, df_rd_top_dump,
	df_rd_bottom_dump): Update.
	(df_lr_free_bb_info, df_lr_alloc, df_lr_reset, df_lr_bb_local_compute,
	df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute,
	df_lr_bb_local_compute, df_lr_local_compute, df_lr_init, df_lr_init,
	df_lr_confluence_0, df_lr_free, df_lr_top_dump, df_lr_bottom_dump,
	df_lr_verify_solution_start, df_lr_verify_solution_end,
	df_lr_verify_transfer_functions, df_lr_verify_transfer_functions,
	df_live_free_bb_info, df_live_alloc, df_live_reset,
	df_live_bb_local_compute, df_live_init, df_live_transfer_function,
	df_live_finalize, df_live_free, df_live_top_dump, df_live_bottom_dump,
	df_live_verify_solution_start, df_live_verify_solution_end,
	df_live_verify_transfer_functions, df_chain_create_bb,
	df_byte_lr_free_bb_info, df_byte_lr_alloc, df_byte_lr_reset,
	df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
	df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
	df_byte_lr_bb_local_compute, df_byte_lr_local_compute, df_byte_lr_init,
	df_byte_lr_confluence_0, df_byte_lr_confluence_n,
	df_byte_lr_transfer_function, df_byte_lr_top_dump,
	df_byte_lr_bottom_dump, df_create_unused_note,
	df_note_bb_compute, df_md_free_bb_info, df_md_alloc,
	df_md_bb_local_compute_process_def, df_md_local_compute, df_md_reset,
	df_md_transfer_function, df_md_init, df_md_confluence_0,
	df_md_confluence_n,
	df_md_top_dump, df_md_bottom_dump): Update.  (struct df_lr_problem_data):
	Embedd bitmap headers.

From-SVN: r160268