* config/pdp11/pdp11.md (various): Fix conditions on a number of

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

diff --git a/gcc/sese.c b/gcc/sese.c
index 583504d..ffcb51c 100644 (file)
--- a/gcc/sese.c
+++ b/gcc/sese.c
@@ -181,7 +181,7 @@ build_sese_loop_nests (sese region)
   /* Make sure that the loops in the SESE_LOOP_NEST are ordered.  It
      can be the case that an inner loop is inserted before an outer
      loop.  To avoid this, semi-sort once.  */
-  for (i = 0; VEC_iterate (loop_p, SESE_LOOP_NEST (region), i, loop0); i++)
+  FOR_EACH_VEC_ELT (loop_p, SESE_LOOP_NEST (region), i, loop0)
     {
       if (VEC_length (loop_p, SESE_LOOP_NEST (region)) == i + 1)
        break;
@@ -480,6 +480,16 @@ rename_uses (gimple copy, htab_t rename_map, gimple_stmt_iterator *gsi_tgt,
   use_operand_p use_p;
   ssa_op_iter op_iter;
 
+  if (is_gimple_debug (copy))
+    {
+      if (gimple_debug_bind_p (copy))
+       gimple_debug_bind_reset_value (copy);
+      else
+       gcc_unreachable ();
+
+      return;
+    }
+
   FOR_EACH_SSA_USE_OPERAND (use_p, copy, op_iter, SSA_OP_ALL_USES)
     {
       tree old_name = USE_FROM_PTR (use_p);
@@ -501,19 +511,7 @@ rename_uses (gimple copy, htab_t rename_map, gimple_stmt_iterator *gsi_tgt,
              || (TREE_CODE (new_expr) != SSA_NAME
                  && is_gimple_reg (old_name)))
            {
-             tree var;
-
-             if (is_gimple_debug (copy))
-               {
-                 if (gimple_debug_bind_p (copy))
-                   gimple_debug_bind_reset_value (copy);
-                 else
-                   gcc_unreachable ();
-
-                 break;
-               }
-
-             var = create_tmp_var (type_old_name, "var");
+             tree var = create_tmp_var (type_old_name, "var");
 
              if (type_old_name != type_new_expr)
                new_expr = fold_convert (type_old_name, new_expr);
@@ -545,7 +543,8 @@ rename_uses (gimple copy, htab_t rename_map, gimple_stmt_iterator *gsi_tgt,
                  && !tree_contains_chrecs (new_expr, NULL));
 
       /* Replace the old_name with the new_expr.  */
-      new_expr = force_gimple_operand (new_expr, &stmts, true, NULL);
+      new_expr = force_gimple_operand (unshare_expr (new_expr), &stmts,
+                                      true, NULL_TREE);
       gsi_insert_seq_before (gsi_tgt, stmts, GSI_SAME_STMT);
       replace_exp (use_p, new_expr);
       set_rename (rename_map, old_name, new_expr);