flow.c (propagate_one_insn): Break out from propagate_block.

        * flow.c (propagate_one_insn): Break out from propagate_block.
        (init_propagate_block_info): Likewise.
        (free_propagate_block_info): Likewise.
        (propagate_block): Use them.  Export.
        * basic-block.h: Declare them all.

From-SVN: r33460

gcc/ChangeLog

 2000-04-26  Richard Henderson  <rth@cygnus.com>
 
+	* flow.c (propagate_one_insn): Break out from propagate_block.
+	(init_propagate_block_info): Likewise.
+	(free_propagate_block_info): Likewise.
+	(propagate_block): Use them.  Export.
+	* basic-block.h: Declare them all.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
 	* basic-block.h (life_analysis): Declare here ...
 	* output.h: ... not here.
 	* flow.c (life_analysis): Remove nregs parameter; replace

gcc/basic-block.h

@@ -431,6 +431,13 @@ extern void life_analysis	PARAMS ((rtx, FILE *, int));
 extern void update_life_info	PARAMS ((sbitmap, enum update_life_extent,
 					 int));
 extern int count_or_remove_death_notes	PARAMS ((sbitmap, int));
+extern void propagate_block	PARAMS ((basic_block, regset, regset, int));
+
+struct propagate_block_info;
+extern rtx propagate_one_insn	PARAMS ((struct propagate_block_info *, rtx));
+extern struct propagate_block_info *init_propagate_block_info
+  PARAMS ((basic_block, regset, regset, int));
+extern void free_propagate_block_info PARAMS ((struct propagate_block_info *));
 
 /* In lcm.c */
 extern struct edge_list *pre_edge_lcm 	PARAMS ((FILE *, int, sbitmap *,