basic-block.h (compute_flow_dominators): Declare.

        * basic-block.h (compute_flow_dominators): Declare.

        * gcse.c (alloc_code_hoist_mem): New function.
        (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
        (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
        (hoist_code, one_code_hoisting_pass): Likewise.
        (gcse_main): If optimizing for size, then hoist expressions
        computed in multiple dominated basic blocks.

From-SVN: r29523

gcc/ChangeLog

@@ -24,6 +24,15 @@ Mon Sep 20 14:43:37 1999  Nick Clifton  <nickc@cygnus.com>
 
 Mon Sep 20 05:41:36 1999  Jeffrey A Law  (law@cygnus.com)
 
+	* basic-block.h (compute_flow_dominators): Declare.
+
+	* gcse.c (alloc_code_hoist_mem): New function.
+	(free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
+	(compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
+	(hoist_code, one_code_hoisting_pass): Likewise.
+	(gcse_main): If optimizing for size, then hoist expressions
+	computed in multiple dominated basic blocks.
+
 	* gcse.c (invalid_nonnull_info): New function.
 	(delete_null_pointer_checks): Likewise.
 	* rtl.h (delete_null_pointer_checks): Declare.

gcc/basic-block.h

@@ -281,6 +281,7 @@ extern void compute_preds_succs		PROTO ((int_list_ptr *, int_list_ptr *,
 extern void compute_dominators		PROTO ((sbitmap *, sbitmap *,
 						int_list_ptr *,
 						int_list_ptr *));
+extern void compute_flow_dominators	PROTO ((sbitmap *, sbitmap *));
 extern void compute_immediate_dominators	PROTO ((int *, sbitmap *));
 
 /* In lcm.c */