PR debug/13841

        * function.c (instantiate_decl): Recurse for CONCAT.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89007 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 2 deletions

diff --git a/gcc/function.c b/gcc/function.c
index a8bd0f5b5fd..8d6f8fb3586 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -1343,10 +1343,20 @@ instantiate_decl (rtx x, HOST_WIDE_INT size, int valid_only)
   enum machine_mode mode;
   rtx addr;
 
+  if (x == 0)
+    return;
+
+  /* If this is a CONCAT, recurse for the pieces.  */
+  if (GET_CODE (x) == CONCAT)
+    {
+      instantiate_decl (XEXP (x, 0), size / 2, valid_only);
+      instantiate_decl (XEXP (x, 1), size / 2, valid_only);
+      return;
+    }
+
   /* If this is not a MEM, no need to do anything.  Similarly if the
      address is a constant or a register that is not a virtual register.  */
-
-  if (x == 0 || !MEM_P (x))
+  if (!MEM_P (x))
     return;
 
   addr = XEXP (x, 0);