PR tree-optimization/37027

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

diff --git a/gcc/dse.c b/gcc/dse.c
index 9569a61..2be8a94 100644 (file)
--- a/gcc/dse.c
+++ b/gcc/dse.c
@@ -1,5 +1,6 @@
 /* RTL dead store elimination.
-   Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
 
    Contributed by Richard Sandiford <rsandifor@codesourcery.com>
    and Kenneth Zadeck <zadeck@naturalbridge.com>
@@ -1015,9 +1016,6 @@ const_or_frame_p (rtx x)
 {
   switch (GET_CODE (x))
     {
-    case MEM:
-      return MEM_READONLY_P (x);
-
     case CONST:
     case CONST_INT:
     case CONST_DOUBLE:
@@ -1199,8 +1197,8 @@ canon_address (rtx mem,
       return false;
     }
   if (dump_file)
-    fprintf (dump_file, "  varying cselib base=%d offset = %d\n",
-            (*base)->value, (int)*offset);
+    fprintf (dump_file, "  varying cselib base=%u:%u offset = %d\n",
+            (*base)->uid, (*base)->hash, (int)*offset);
   return true;
 }
 
@@ -2619,7 +2617,7 @@ dse_step1 (void)
   basic_block bb;
   bitmap regs_live = BITMAP_ALLOC (NULL);
 
-  cselib_init (false);
+  cselib_init (0);
   all_blocks = BITMAP_ALLOC (NULL);
   bitmap_set_bit (all_blocks, ENTRY_BLOCK);
   bitmap_set_bit (all_blocks, EXIT_BLOCK);