2011-12-21 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / gcc / tree-outof-ssa.c

diff --git a/gcc/tree-outof-ssa.c b/gcc/tree-outof-ssa.c
index 4de4500..f52b260 100644 (file)
--- a/gcc/tree-outof-ssa.c
+++ b/gcc/tree-outof-ssa.c
@@ -237,9 +237,10 @@ insert_value_copy_on_edge (edge e, int dest, tree src, source_location locus)
 
   var = SSA_NAME_VAR (partition_to_var (SA.map, dest));
   src_mode = TYPE_MODE (TREE_TYPE (src));
-  dest_mode = promote_decl_mode (var, &unsignedp);
+  dest_mode = GET_MODE (SA.partition_to_pseudo[dest]);
   gcc_assert (src_mode == TYPE_MODE (TREE_TYPE (var)));
-  gcc_assert (dest_mode == GET_MODE (SA.partition_to_pseudo[dest]));
+  gcc_assert (!REG_P (SA.partition_to_pseudo[dest])
+             || dest_mode == promote_decl_mode (var, &unsignedp));
 
   if (src_mode != dest_mode)
     {
@@ -1021,6 +1022,8 @@ insert_backedge_copies (void)
   basic_block bb;
   gimple_stmt_iterator gsi;
 
+  mark_dfs_back_edges ();
+
   FOR_EACH_BB (bb)
     {
       /* Mark block as possibly needing calculation of UIDs.  */