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riscv-gcc-1
Commit 402209ff by Jan Hubicka Committed by Jan Hubicka
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Makefile.in (cfg.o, [...]): New. 

	* Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
	New.
	* basic-block.h (flow_obstack, label_value_list,
	tail_recursion_label_list): Declare
	(tidy_fallthru_edges): Declare.
	(expunge_block, last_loop_beg_note): Delete.
	(can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
	* cfg.c: New file
	(basic_block_for_insn, label_value_list): Move from flow.c; make global.
	(n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
	init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
	flow_delete_insn, flow_delete_insn_chain, create_basic_block,
	expunge_block, flow_delete_block, compute_bb_for_insn,
	update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
	make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
	redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
	try_redirect_by_replacing_jump, last_loop_beg_note,
	redirect_edge_and_branch, redirect_edge_and_branch_force,
	tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
	split_edge, insert_insn_on_edge, commit_one_edge_insertion,
	commit_edge_insertions, dump_flow_info, debug_flow_info,
	dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
	verify_flow_info, purge_dead_edges, purge_all_dead_edges):
	Move here from flow.c
	* cfganal.c: New file.
	(forwarder_block_p, can_fallthru, mark_critical_edges,
	 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
	 find_unreachable_blocks, create_edge_list, free_edge_list,
	 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
	 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
	 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
	 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
	 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
	 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
	Move here from flow.c
	* cfgbuild.c: New file
	(count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
	 make_edges, find_basic_blocks_1, find_basic_blocks,
	 find_sub_basic_blocks): Move here from flow.c
	* cfgcleanup.c: New file.
	(try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
	 merge_blocks_move_predecessor_nojumps,
	 merge_blocks_move_successor_nojumps, merge_blocks,
	 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
	 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
	(delete_unreachable_blocks, cleanup_cfg): Likewise; return true
	if succeeded.
	* cfgloop.c: New file
	(flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
	 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
	 flow_loop_exit_edges_find, flow_loop_nodes_find,
	 flow_loop_pre_header_scan, flow_loop_pre_header_find,
	 flow_loop_tree_node_add, flow_loops_tree_build,
	 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
	 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
	Move here from flow.c
	* flow.c: Remove everything moved elsewhere
	* output.h (cleanup_cfg): Return bool.

	* bb-reorder.c (reorder_block_def): Remove 'index'.
	(insert_intra_1): Add argument BB, set block for new note.
	(make_reorder_chain): Do not depdent on BB indexes.
	(make_reorder_chain_1): Do not use BB indexes.
	(label_for_bb): Likewise; set BB for new insn.
	(emit_jump_to_block_after): Likewise.
	(fixup_reoder_chain): Sanity check that all basic blocks
	are chained; verify newly created insn chain; remove
	undocnitional jump simplifying; Do not use BB indexes;
	properly initialize count and frequency information;
	dump reordered sequence.
	(insert_intra_bb_scope_notes): update call of insert_intra_1.
	(insert_inter_bb_scope_notes): Set block for new insn.
	(reorder_basic_blocks): Dump flow info before reoredering.

From-SVN: r45504
parent 5197bd50
Showing with 184 additions and 76 deletions
gcc/ChangeLog
Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
* Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
New.
* basic-block.h (flow_obstack, label_value_list,
tail_recursion_label_list): Declare
(tidy_fallthru_edges): Declare.
(expunge_block, last_loop_beg_note): Delete.
(can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
* cfg.c: New file
(basic_block_for_insn, label_value_list): Move from flow.c; make global.
(n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
flow_delete_insn, flow_delete_insn_chain, create_basic_block,
expunge_block, flow_delete_block, compute_bb_for_insn,
update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
try_redirect_by_replacing_jump, last_loop_beg_note,
redirect_edge_and_branch, redirect_edge_and_branch_force,
tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
split_edge, insert_insn_on_edge, commit_one_edge_insertion,
commit_edge_insertions, dump_flow_info, debug_flow_info,
dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
verify_flow_info, purge_dead_edges, purge_all_dead_edges):
Move here from flow.c
* cfganal.c: New file.
(forwarder_block_p, can_fallthru, mark_critical_edges,
mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
find_unreachable_blocks, create_edge_list, free_edge_list,
print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
flow_edge_list_print, remove_fake_successors, remove_fake_edges,
add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
Move here from flow.c
* cfgbuild.c: New file
(count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
make_edges, find_basic_blocks_1, find_basic_blocks,
find_sub_basic_blocks): Move here from flow.c
* cfgcleanup.c: New file.
(try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps, merge_blocks,
flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
try_crossjump_bb, try_optimize_cfg): Move here from flow.c
(delete_unreachable_blocks, cleanup_cfg): Likewise; return true
if succeeded.
* cfgloop.c: New file
(flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
flow_loop_exit_edges_find, flow_loop_nodes_find,
flow_loop_pre_header_scan, flow_loop_pre_header_find,
flow_loop_tree_node_add, flow_loops_tree_build,
flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
Move here from flow.c
* flow.c: Remove everything moved elsewhere
* output.h (cleanup_cfg): Return bool.
* bb-reorder.c (reorder_block_def): Remove 'index'.
(insert_intra_1): Add argument BB, set block for new note.
(make_reorder_chain): Do not depdent on BB indexes.
(make_reorder_chain_1): Do not use BB indexes.
(label_for_bb): Likewise; set BB for new insn.
(emit_jump_to_block_after): Likewise.
(fixup_reoder_chain): Sanity check that all basic blocks
are chained; verify newly created insn chain; remove
undocnitional jump simplifying; Do not use BB indexes;
properly initialize count and frequency information;
dump reordered sequence.
(insert_intra_bb_scope_notes): update call of insert_intra_1.
(insert_inter_bb_scope_notes): Set block for new insn.
(reorder_basic_blocks): Dump flow info before reoredering.
Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* alias.c (clear_reg_alias_info): Use K&R format definition.
......
gcc/Makefile.in
......@@ -746,7 +746,8 @@ OBJS = \
rtl-error.o sbitmap.o sched-deps.o sched-ebb.o sched-rgn.o sched-vis.o \
sdbout.o sibcall.o simplify-rtx.o splay-tree.o ssa.o ssa-ccp.o \
ssa-dce.o stmt.o stor-layout.o stringpool.o timevar.o toplev.o tree.o \
unroll.o varasm.o varray.o version.o xcoffout.o \
unroll.o varasm.o varray.o version.o xcoffout.o cfg.o cfganal.o \
cfgbuild.o cfgcleanup.o cfgloop.o \
$(GGC) $(out_object_file) $(EXTRA_OBJS)
BACKEND = main.o libbackend.a
......@@ -1487,6 +1488,18 @@ unroll.o : unroll.c $(CONFIG_H) $(SYSTEM_H) $(RTL_H) insn-config.h function.h \
flow.o : flow.c $(CONFIG_H) $(SYSTEM_H) $(RTL_H) $(TREE_H) flags.h insn-config.h \
$(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h output.h toplev.h $(RECOG_H) \
function.h except.h $(EXPR_H) ssa.h $(GGC_H) $(TM_P_H)
cfg.o : cfg.c $(CONFIG_H) $(SYSTEM_H) $(RTL_H) flags.h insn-config.h \
$(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h output.h toplev.h $(RECOG_H) \
function.h except.h $(GGC_H)
cfganal.o : cfganal.c $(CONFIG_H) $(SYSTEM_H) $(RTL_H) \
$(BASIC_BLOCK_H) hard-reg-set.h $(GGC_H)
cfgbuild.o : cfgbuild.c $(CONFIG_H) $(SYSTEM_H) $(RTL_H) flags.h insn-config.h \
$(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h output.h toplev.h $(RECOG_H) \
function.h except.h $(GGC_H)
cfgcleanup.o : cfgcleanup.c $(CONFIG_H) $(SYSTEM_H) $(RTL_H) \
$(BASIC_BLOCK_H) hard-reg-set.h output.h flags.h $(RECOG_H) toplev.h $(GGC_H)
cfgloop.o : cfgloop.c $(CONFIG_H) $(SYSTEM_H) $(RTL_H) \
$(BASIC_BLOCK_H) hard-reg-set.h
dominance.o : dominance.c $(CONFIG_H) $(SYSTEM_H) $(RTL_H) hard-reg-set.h \
$(BASIC_BLOCK_H)
combine.o : combine.c $(CONFIG_H) $(SYSTEM_H) $(RTL_H) flags.h function.h \
......
gcc/basic-block.h
......@@ -246,6 +246,12 @@ extern varray_type basic_block_info;
extern regset regs_live_at_setjmp;
/* Special labels found during CFG build. */
extern rtx label_value_list, tail_recursion_label_list;
extern struct obstack flow_obstack;
/* Indexed by n, gives number of basic block that (REG n) is used in.
If the value is REG_BLOCK_GLOBAL (-2),
it means (REG n) is used in more than one basic block.
......@@ -310,6 +316,7 @@ extern int flow_delete_block PARAMS ((basic_block));
extern void merge_blocks_nomove PARAMS ((basic_block, basic_block));
extern void tidy_fallthru_edge PARAMS ((edge, basic_block,
basic_block));
extern void tidy_fallthru_edges PARAMS ((void));
extern void flow_reverse_top_sort_order_compute PARAMS ((int *));
extern int flow_depth_first_order_compute PARAMS ((int *, int *));
extern void dump_edge_info PARAMS ((FILE *, edge, int));
......@@ -616,9 +623,7 @@ extern void debug_regset PARAMS ((regset));
extern void allocate_reg_life_data PARAMS ((void));
extern void allocate_bb_life_data PARAMS ((void));
extern void find_unreachable_blocks PARAMS ((void));
extern void expunge_block PARAMS ((basic_block));
extern void delete_noop_moves PARAMS ((rtx));
extern rtx last_loop_beg_note PARAMS ((rtx));
extern basic_block redirect_edge_and_branch_force PARAMS ((edge, basic_block));
extern bool redirect_edge_and_branch PARAMS ((edge, basic_block));
extern rtx block_label PARAMS ((basic_block));
......@@ -626,7 +631,11 @@ extern bool forwarder_block_p PARAMS ((basic_block));
extern bool purge_all_dead_edges PARAMS ((void));
extern bool purge_dead_edges PARAMS ((basic_block));
extern void find_sub_basic_blocks PARAMS ((basic_block));
extern bool can_fallthru PARAMS ((basic_block, basic_block));
extern void flow_nodes_print PARAMS ((const char *, const sbitmap,
FILE *));
extern void flow_edge_list_print PARAMS ((const char *, const edge *,
int, FILE *));
/* This function is always defined so it can be called from the
debugger, and it is declared extern so we don't get warnings about
......
gcc/cfg.c 0 → 100644
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gcc/cfganal.c 0 → 100644
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gcc/cfgbuild.c 0 → 100644
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gcc/cfgloop.c 0 → 100644
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gcc/flow.c
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gcc/output.h
......@@ -144,7 +144,7 @@ extern void allocate_for_life_analysis PARAMS ((void));
extern int regno_uninitialized PARAMS ((int));
extern int regno_clobbered_at_setjmp PARAMS ((int));
extern void find_basic_blocks PARAMS ((rtx, int, FILE *));
extern void cleanup_cfg PARAMS ((int));
extern bool cleanup_cfg PARAMS ((int));
extern void check_function_return_warnings PARAMS ((void));
#endif
......
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