PR c++/47132

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

diff --git a/gcc/rtl.c b/gcc/rtl.c
index c6db47f..e335a39 100644 (file)
--- a/gcc/rtl.c
+++ b/gcc/rtl.c
@@ -1,6 +1,6 @@
 /* RTL utility routines.
    Copyright (C) 1987, 1988, 1991, 1994, 1997, 1998, 1999, 2000, 2001, 2002,
-   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -255,6 +255,7 @@ copy_rtx (rtx orig)
     case CODE_LABEL:
     case PC:
     case CC0:
+    case RETURN:
     case SCRATCH:
       /* SCRATCH must be shared because they represent distinct values.  */
       return orig;
@@ -412,6 +413,9 @@ rtx_equal_p_cb (const_rtx x, const_rtx y, rtx_equal_p_callback_function cb)
       return DEBUG_IMPLICIT_PTR_DECL (x)
             == DEBUG_IMPLICIT_PTR_DECL (y);
 
+    case ENTRY_VALUE:
+      return rtx_equal_p_cb (ENTRY_VALUE_EXP (x), ENTRY_VALUE_EXP (y), cb);
+
     default:
       break;
     }
@@ -544,6 +548,9 @@ rtx_equal_p (const_rtx x, const_rtx y)
       return DEBUG_IMPLICIT_PTR_DECL (x)
             == DEBUG_IMPLICIT_PTR_DECL (y);
 
+    case ENTRY_VALUE:
+      return rtx_equal_p (ENTRY_VALUE_EXP (x), ENTRY_VALUE_EXP (y));
+
     default:
       break;
     }