* config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.

From-SVN: r121622

gcc/ChangeLog

+2007-02-05  Bob Wilson  <bob.wilson@acm.org>
+
+	* config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
+
 2007-02-05  Richard Guenther  <rguenther@suse.de>
 
 	* tree-vectorizer.h (vectorizable_function): Add argument type

gcc/config/xtensa/xtensa.c

@@ -449,6 +449,8 @@ constantpool_address_p (rtx addr)
 int
 constantpool_mem_p (rtx op)
 {
+  if (GET_CODE (op) == SUBREG)
+    op = SUBREG_REG (op);
   if (GET_CODE (op) == MEM)
     return constantpool_address_p (XEXP (op, 0));
   return FALSE;