tree-ssa-sccvn.c (init_vn_nary_op_from_pieces): New function.

	* tree-ssa-sccvn.c (init_vn_nary_op_from_pieces): New function.
	(init_vn_nary_op_from_op): New function.
	(init_vn_nary_op_from_stmt): New function.
	(vn_nary_op_lookup_1): New function.
	(sizeof_vn_nary_op): New function.
	(alloc_vn_nary_op_noinit): New function.
	(alloc_vn_nary_op): New function.
	(vn_nary_op_insert_into): New function.
	(vn_nary_op_lookup_pieces): Rewrite to use new helper functions.
	(vn_nary_op_lookup): Likewise.
	(vn_nary_op_lookup_stmt): Likewise.
	(vn_nary_op_insert_pieces): Likewise.
	(vn_nary_op_insert): Likewise.
	(vn_nary_op_insert_stmt): Likewise.
	(copy_nary): Likewise.
	(set_value_id_for_result): New function.
	(set_hashtable_value_ids): Call it.

From-SVN: r165178

gcc/ChangeLog

 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
 
+	* tree-ssa-sccvn.c (init_vn_nary_op_from_pieces): New function.
+	(init_vn_nary_op_from_op): New function.
+	(init_vn_nary_op_from_stmt): New function.
+	(vn_nary_op_lookup_1): New function.
+	(sizeof_vn_nary_op): New function.
+	(alloc_vn_nary_op_noinit): New function.
+	(alloc_vn_nary_op): New function.
+	(vn_nary_op_insert_into): New function.
+	(vn_nary_op_lookup_pieces): Rewrite to use new helper functions.
+	(vn_nary_op_lookup): Likewise.
+	(vn_nary_op_lookup_stmt): Likewise.
+	(vn_nary_op_insert_pieces): Likewise.
+	(vn_nary_op_insert): Likewise.
+	(vn_nary_op_insert_stmt): Likewise.
+	(copy_nary): Likewise.
+	(set_value_id_for_result): New function.
+	(set_hashtable_value_ids): Call it.
+
+2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
+
 	* config/fr30/fr30.c (TARGET_EXCEPT_UNWIND_INFO): Define.
 	* config/fr30/fr30.md (leave_func): Rewrite without post_inc.