gcc/
* df.h (FOR_EACH_ARTIFICIAL_USE, FOR_EACH_ARTIFICIAL_DEF): New macros.
* cse.c (cse_extended_basic_block): Use them.
* dce.c (mark_artificial_use): Likewise.
* df-problems.c (df_rd_simulate_artificial_defs_at_top): Likewise.
(df_lr_bb_local_compute, df_live_bb_local_compute): Likewise.
(df_chain_remove_problem, df_chain_bb_dump): Likewise.
(df_word_lr_bb_local_compute, df_note_bb_compute): Likewise.
(df_simulate_initialize_backwards): Likewise.
(df_simulate_finalize_backwards): Likewise.
(df_simulate_initialize_forwards): Likewise.
(df_md_simulate_artificial_defs_at_top): Likewise.
* df-scan.c (df_reorganize_refs_by_reg_by_insn): Likewise.
* regrename.c (init_rename_info): Likewise.
* regstat.c (regstat_bb_compute_ri): Likewise.
(regstat_bb_compute_calls_crossed): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211679 138bc75d-0d04-0410-961f-82ee72b054a4