* rtl.h (mem_attrs): Rename decl to expr; adjust all users.

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

diff --git a/gcc/langhooks.c b/gcc/langhooks.c
index 8465bd3..8ae3055 100644 (file)
--- a/gcc/langhooks.c
+++ b/gcc/langhooks.c
@@ -38,6 +38,15 @@ lhd_do_nothing ()
 {
 }
 
+/* Do nothing (return the tree node passed).  */
+
+tree
+lhd_return_tree (t)
+     tree t;
+{
+  return t;
+}
+
 /* Do nothing; the default hook to decode an option.  */
 
 int
@@ -58,6 +67,16 @@ lhd_print_tree_nothing (file, node, indent)
 {
 }
 
+/* Called from safe_from_p.  */
+
+int
+lhd_safe_from_p (x, exp)
+     rtx x ATTRIBUTE_UNUSED;
+     tree exp ATTRIBUTE_UNUSED;
+{
+  return 1;
+}
+
 /* Called when -dy is given on the command line.  */
 
 void