Move scheduling visualization code to separate file.

From-SVN: r37974

gcc/ChangeLog

 2000-12-03  Bernd Schmidt  <bernds@redhat.co.uk>
 
+	* Makefile.in (OBJS): Add sched-vis.o.
+	(sched-vis.o): New rule.
+	* haifa-sched.c (get_unit_last_insn): New function.
+	(sched_dump, insn_unit, actual_hazard_this_instance): No longer
+	static.
+	(schedule_block): Call visualize_alloc and visualize_free.  Delete
+	spurious return statement.
+	(init_target_units, insn_print_units, get_visual_tbl_length,
+	init_block_visualization, print_block_visualization, safe_concat,
+	visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
+	print_exp, print_value, print_pattern, print_insn, target_units,
+	MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
+	n_vis_no_unit, vis_no_unit): Move scheduling visualization
+	functions/variables...
+	* sched-vis.c: ...here.  New file.
+	(visualize_alloc, visualize_free): New functions.
+	(visualize_scheduled_insns, visualize_stall_cycles,
+	print_block_visualization): Lose basic block argument.  All callers
+	changed.
+	(visualize_scheduled_insns): Use new function get_unit_last_insn.
+
 	* sched-int.h: New file.
 	* Makefile.in (haifa-sched.o): Depend on it.
 	* haifa-sched.c: Include it.

gcc/Makefile.in

@@ -737,7 +737,7 @@ OBJS = diagnostic.o version.o tree.o print-tree.o stor-layout.o fold-const.o  \
  mbchar.o splay-tree.o graph.o sbitmap.o resource.o hash.o predict.o	      \
  lists.o ggc-common.o $(GGC) stringpool.o simplify-rtx.o ssa.o bb-reorder.o   \
  sibcall.o conflict.o timevar.o ifcvt.o dominance.o dependence.o dce.o \
- hashtab.o
+ sched-vis.o hashtab.o
 
 BACKEND = toplev.o libbackend.a
 
@@ -1455,6 +1455,8 @@ regmove.o : regmove.c $(CONFIG_H) system.h $(RTL_H) insn-config.h \
 haifa-sched.o : haifa-sched.c $(CONFIG_H) system.h $(RTL_H) sched-int.h \
    $(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h flags.h insn-config.h function.h \
    $(INSN_ATTR_H) toplev.h $(RECOG_H) except.h
+sched-vis.o : sched-vis.c $(CONFIG_H) system.h $(RTL_H) sched-int.h \
+   $(INSN_ATTR_H) $(REGS_H)
 final.o : final.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) flags.h intl.h \
    $(REGS_H) $(RECOG_H) conditions.h insn-config.h $(INSN_ATTR_H) function.h \
    real.h output.h hard-reg-set.h insn-flags.h insn-codes.h gstab.h except.h \