2001-11-05 16:38:01 +01:00
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/* Basic block reordering routines for the GNU compiler.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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/* Structure to hold information about the blocks during reordering. */
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typedef struct reorder_block_def
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{
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rtx eff_head;
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rtx eff_end;
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basic_block next;
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int visited;
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} *reorder_block_def;
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#define RBI(BB) ((reorder_block_def) (BB)->aux)
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extern void cfg_layout_initialize PARAMS ((void));
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extern void cfg_layout_finalize PARAMS ((void));
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cfglayout.c (scope_def, [...]): Remove.
* cfglayout.c (scope_def, scope_forest_info, forest,
relate_bbs_with_scopes, make_new_scope, build_scope_forest,
remove_scope_notes, insert_intra_before_1, insert_intra_1,
insert_intra_bb_scope_notes, insert_inter_bb_scope_notes,
rebuild_scope_notes, free_scope_forest_1, dump_scope_forest,
dump_scope_forest_1, get_next_bb_note, get_prev_bb_note): Remove.
(fixup_reorder_chain): Don't set scope for bb.
(insn_scopes, scope_to_insns_initialize, set_block_levels,
change_scope, scope_to_insns_finalize): New.
(cfg_layout_initialize, cfg_layout_finalize): Update to match.
* cfglayout.h (scope_def, scope): Remove.
(reorder_block_def): Remove scope member.
(scope_to_insns_initialize, scope_to_insns_finalize): Declare.
* haifa-sched.c: Revert reemit_other_notes change.
* sched-ebb.c (schedule_ebbs): Don't call remove_unnecessary_notes.
Use scope_to_insns_initialize and scope_to_insns_finalize.
* sched-rgn.c (schedule_insns): Likewise.
* gcc.dg/debug-6.c: New.
From-SVN: r48412
2001-12-31 05:19:35 +01:00
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extern void scope_to_insns_initialize PARAMS ((void));
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extern void scope_to_insns_finalize PARAMS ((void));
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