* ira-costs.c (record_reg_classes): Ignore alternatives that are

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

diff --git a/gcc/dse.c b/gcc/dse.c
index e72b998..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:
@@ -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);