contrib/

[pf3gnuchains/gcc-fork.git] / gcc / langhooks.h

diff --git a/gcc/langhooks.h b/gcc/langhooks.h
index 1f64cf1..752ad99 100644 (file)
--- a/gcc/langhooks.h
+++ b/gcc/langhooks.h
@@ -294,10 +294,6 @@ struct lang_hooks
      Fourth argument is actually an enum expand_modifier.  */
   rtx (*expand_expr) (tree, rtx, enum machine_mode, int, rtx *);
 
-  /* Called by expand_expr to generate the definition of a decl.  Returns
-     1 if handled, 0 otherwise.  */
-  int (*expand_decl) (tree);
-
   /* Function to finish handling an incomplete decl at the end of
      compilation.  Default hook is does nothing.  */
   void (*finish_incomplete_decl) (tree);
@@ -358,9 +354,6 @@ struct lang_hooks
      in contexts where erroneously returning 0 causes problems.  */
   int (*types_compatible_p) (tree x, tree y);
 
-  /* Given a CALL_EXPR, return a function decl that is its target.  */
-  tree (*lang_get_callee_fndecl) (const_tree);
-
   /* Called by report_error_function to print out function name.  */
   void (*print_error_function) (struct diagnostic_context *, const char *,
                                struct diagnostic_info *);
@@ -401,7 +394,7 @@ struct lang_hooks
 
   /* Perform language-specific gimplification on the argument.  Returns an
      enum gimplify_status, though we can't see that type here.  */
-  int (*gimplify_expr) (tree *, tree *, tree *);
+  int (*gimplify_expr) (tree *, gimple_seq *, gimple_seq *);
 
   /* Fold an OBJ_TYPE_REF expression to the address of a function.
      KNOWN_TYPE carries the true type of the OBJ_TYPE_REF_OBJECT.  */
@@ -410,6 +403,14 @@ struct lang_hooks
   /* Do language specific processing in the builtin function DECL  */
   tree (*builtin_function) (tree decl);
 
+  /* Like builtin_function, but make sure the scope is the external scope.
+     This is used to delay putting in back end builtin functions until the ISA
+     that defines the builtin is declared via function specific target options,
+     which can save memory for machines like the x86_64 that have multiple
+     ISAs.  If this points to the same function as builtin_function, the
+     backend must add all of the builtins at program initialization time.  */
+  tree (*builtin_function_ext_scope) (tree decl);
+
   /* Used to set up the tree_contains_structure array for a frontend. */
   void (*init_ts) (void);
 
@@ -429,4 +430,10 @@ extern tree add_builtin_function (const char *name, tree type,
                                  const char *library_name,
                                  tree attrs);
 
+extern tree add_builtin_function_ext_scope (const char *name, tree type,
+                                           int function_code,
+                                           enum built_in_class cl,
+                                           const char *library_name,
+                                           tree attrs);
+
 #endif /* GCC_LANG_HOOKS_H */