Remove BB_HEAD, BB_END, BB_HEADER scaffolding
authorDavid Malcolm <dmalcolm@redhat.com>
Tue, 26 Aug 2014 18:56:58 +0000 (18:56 +0000)
committerDavid Malcolm <dmalcolm@gcc.gnu.org>
Tue, 26 Aug 2014 18:56:58 +0000 (18:56 +0000)
commit1130d5e3e31879417a982e3df5a2d8ea59bfa311
treec54ed14919bfd87d09336476cd238800a117c656
parente00022e9711439804cf9aff66613b4e382d7d158
Remove BB_HEAD, BB_END, BB_HEADER scaffolding

gcc/
* basic-block.h (struct rtl_bb_info): Strengthen fields "end_"
and "header_" from rtx to rtx_insn *.
(struct basic_block_d): Likewise for field "head_" within "x"
field of union basic_block_il_dependent.
(BB_HEAD): Drop function...
(SET_BB_HEAD): ...and this function in favor of...
(BB_HEAD): ...reinstate macro.
(BB_END): Drop function...
(SET_BB_END): ...and this function in favor of...
(BB_END): ...reinstate macro.
(BB_HEADER): Drop function...
(SET_BB_HEADER): ...and this function in favor of...
(BB_HEADER): ...reinstate macro.

* bb-reorder.c (add_labels_and_missing_jumps): Drop use of BB_END.
(fix_crossing_unconditional_branches): Likewise.
* caller-save.c (save_call_clobbered_regs): Likewise.
(insert_one_insn): Drop use of SET_BB_HEAD and SET_BB_END.
* cfgbuild.c (find_bb_boundaries): Drop use of SET_BB_END.
* cfgcleanup.c (merge_blocks_move_successor_nojumps): Likewise.
(merge_blocks_move_successor_nojumps): Likewise.
(outgoing_edges_match): Update use of for_each_rtx to
for_each_rtx_in_insn.
* cfgexpand.c (expand_gimple_cond): Drop use of SET_BB_END.
(expand_gimple_cond): Likewise.
(expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Drop use of SET_BB_HEAD and
SET_BB_END.
(construct_exit_block): Drop use of SET_BB_END.
* cfgrtl.c (cfg_layout_function_footer): Strengthen from rtx to
rtx_insn *.
(delete_insn): Rename param "insn" to "uncast_insn", introducing
a new local "insn" with a checked cast to rtx_insn *.  Drop use of
SET_BB_HEAD and SET_BB_END.
(create_basic_block_structure): Drop use of SET_BB_HEAD and
SET_BB_END.
(rtl_delete_block): Drop use of SET_BB_HEAD.
(rtl_split_block): Drop use of SET_BB_END.
(emit_nop_for_unique_locus_between): Likewise.
(rtl_merge_blocks): Drop use of SET_BB_END and SET_BB_HEAD.
(block_label): Drop use of SET_BB_HEAD.
(fixup_abnormal_edges): Drop use of SET_BB_END.
(record_effective_endpoints): Drop use of SET_BB_HEADER.
(relink_block_chain): Likewise.
(fixup_reorder_chain): Drop use of SET_BB_END.
(cfg_layout_duplicate_bb): Drop use of SET_BB_HEADER.
(cfg_layout_delete_block): Strengthen local "to" from rtx * to
rtx_insn **.  Drop use of SET_BB_HEADER.
(cfg_layout_merge_blocks): Drop use of SET_BB_HEADER, SET_BB_END,
SET_BB_HEAD.
(BB_HEAD): Delete this function.
(SET_BB_HEAD): Likewise.
(BB_END): Likewise.
(SET_BB_END): Likewise.
(BB_HEADER): Likewise.
(SET_BB_HEADER): Likewise.
* emit-rtl.c (add_insn_after):  Rename param "insn" to
"uncast_insn", adding a new local "insn" and a checked cast to
rtx_insn *.  Drop use of SET_BB_END.
(remove_insn): Strengthen locals "next" and "prev" from rtx to
rtx_insn *.  Drop use of SET_BB_HEAD and SET_BB_END.
(reorder_insns): Drop use of SET_BB_END.
(emit_insn_after_1): Strengthen param "first" and locals "last",
"after_after" from rtx to rtx_insn *.  Drop use of SET_BB_END.
(emit_pattern_after_noloc): Add checked cast.
* haifa-sched.c (get_ebb_head_tail): Drop use of SET_BB_END.
(restore_other_notes): Likewise.
(move_insn): Likewise.
(sched_extend_bb): Likewise.
(fix_jump_move): Likewise.
* ifcvt.c (noce_process_if_block): Likewise.
(dead_or_predicable): Likewise.
* ira.c (update_equiv_regs): Drop use of SET_BB_HEAD.
* reg-stack.c (change_stack): Drop use of SET_BB_END.
* sel-sched-ir.c (sel_move_insn): Likewise.
* sel-sched.c (move_nop_to_previous_block): Likewise.

* config/c6x/c6x.c (hwloop_optimize): Drop use of SET_BB_HEAD and
SET_BB_END.
* config/ia64/ia64.c (emit_predicate_relation_info): Likewise.

/
* rtx-classes-status.txt (TODO): SET_BB_HEAD, SET_BB_END,
SET_BB_HEADER are done.

From-SVN: r214534
19 files changed:
ChangeLog
gcc/ChangeLog
gcc/basic-block.h
gcc/bb-reorder.c
gcc/caller-save.c
gcc/cfgbuild.c
gcc/cfgcleanup.c
gcc/cfgexpand.c
gcc/cfgrtl.c
gcc/config/c6x/c6x.c
gcc/config/ia64/ia64.c
gcc/emit-rtl.c
gcc/haifa-sched.c
gcc/ifcvt.c
gcc/ira.c
gcc/reg-stack.c
gcc/sel-sched-ir.c
gcc/sel-sched.c
rtx-classes-status.txt