optc-save-gen.awk: Output cl_target_option_eq...

	* optc-save-gen.awk: Output cl_target_option_eq,
	cl_target_option_hash, cl_target_option_stream_out,
	cl_target_option_stream_in functions.
	* opth-gen.awk: Output prototypes for
	cl_target_option_eq and cl_target_option_hash.
	* lto-streamer.h (cl_target_option_stream_out,
	cl_target_option_stream_in): Declare.
	* tree.c (cl_option_hash_hash): Use cl_target_option_hash.
	(cl_option_hash_eq): Use cl_target_option_eq.
	* tree-streamer-in.c (unpack_value_fields): Stream in
	TREE_TARGET_OPTION.
	* lto-streamer-out.c (DFS::DFS_write_tree_body): Follow
	DECL_FUNCTION_SPECIFIC_TARGET.
	(hash_tree): Hash TREE_TARGET_OPTION; visit
	DECL_FUNCTION_SPECIFIC_TARGET.
	* tree-streamer-out.c (streamer_pack_tree_bitfields): Skip
	TS_TARGET_OPTION.
	(streamer_write_tree_body): Output TS_TARGET_OPTION.

	* lto.c (compare_tree_sccs_1): Compare cl_target_option_eq.

From-SVN: r217572

gcc/lto-streamer-out.c

@@ -594,7 +594,7 @@ DFS::DFS_write_tree_body (struct output_block *ob,
     {
       DFS_follow_tree_edge (DECL_VINDEX (expr));
       DFS_follow_tree_edge (DECL_FUNCTION_PERSONALITY (expr));
-      /* Do not DECL_FUNCTION_SPECIFIC_TARGET.  They will be regenerated.  */
+      DFS_follow_tree_edge (DECL_FUNCTION_SPECIFIC_TARGET (expr));
       DFS_follow_tree_edge (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr));
     }
 
@@ -945,7 +945,7 @@ hash_tree (struct streamer_tree_cache_d *cache, hash_map<tree, hashval_t> *map,
 			strlen (TRANSLATION_UNIT_LANGUAGE (t)));
 
   if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
-    gcc_unreachable ();
+    hstate.add_wide_int (cl_target_option_hash (TREE_TARGET_OPTION (t)));
 
   if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
     hstate.add (t, sizeof (struct cl_optimization));
@@ -1028,7 +1028,7 @@ hash_tree (struct streamer_tree_cache_d *cache, hash_map<tree, hashval_t> *map,
     {
       visit (DECL_VINDEX (t));
       visit (DECL_FUNCTION_PERSONALITY (t));
-      /* Do not follow DECL_FUNCTION_SPECIFIC_TARGET.  */
+      visit (DECL_FUNCTION_SPECIFIC_TARGET (t));
       visit (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (t));
     }
 

gcc/lto-streamer.h

@@ -836,6 +836,14 @@ bool reachable_from_this_partition_p (struct cgraph_node *,
 lto_symtab_encoder_t compute_ltrans_boundary (lto_symtab_encoder_t encoder);
 void select_what_to_stream (bool);
 
+/* In options-save.c.  */
+void cl_target_option_stream_out (struct output_block *, struct bitpack_d *,
+				  struct cl_target_option *);
+
+void cl_target_option_stream_in (struct data_in *,
+				 struct bitpack_d *,
+				 struct cl_target_option *);
+
 
 /* In lto-symtab.c.  */
 extern void lto_symtab_merge_decls (void);