* config/sparc/sparc.c (sparc_option_override): If not set by the user,

[pf3gnuchains/gcc-fork.git] / gcc / tree-predcom.c

diff --git a/gcc/tree-predcom.c b/gcc/tree-predcom.c
index 3ebc5a0..2dbd07d 100644 (file)
--- a/gcc/tree-predcom.c
+++ b/gcc/tree-predcom.c
@@ -1,5 +1,5 @@
 /* Predictive commoning.
-   Copyright (C) 2005, 2007, 2008, 2009, 2010
+   Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -1668,6 +1668,8 @@ single_nonlooparound_use (tree name)
 
          return NULL;
        }
+      else if (is_gimple_debug (stmt))
+       continue;
       else if (ret != NULL)
        return NULL;
       else
@@ -2441,6 +2443,7 @@ prepare_initializers (struct loop *loop, VEC (chain_p, heap) *chains)
 static bool
 tree_predictive_commoning_loop (struct loop *loop)
 {
+  VEC (loop_p, heap) *loop_nest;
   VEC (data_reference_p, heap) *datarefs;
   VEC (ddr_p, heap) *dependences;
   struct component *components;
@@ -2458,11 +2461,14 @@ tree_predictive_commoning_loop (struct loop *loop)
      dependence relations.  */
   datarefs = VEC_alloc (data_reference_p, heap, 10);
   dependences = VEC_alloc (ddr_p, heap, 10);
-  compute_data_dependences_for_loop (loop, true, &datarefs, &dependences);
+  loop_nest = VEC_alloc (loop_p, heap, 3);
+  compute_data_dependences_for_loop (loop, true, &loop_nest, &datarefs,
+                                    &dependences);
   if (dump_file && (dump_flags & TDF_DETAILS))
     dump_data_dependence_relations (dump_file, dependences);
 
   components = split_data_refs_to_components (loop, datarefs, dependences);
+  VEC_free (loop_p, heap, loop_nest);
   free_dependence_relations (dependences);
   if (!components)
     {