Revert "tree-predcom: Do more unrolling if -fnoalias flag is set."

This reverts commit 3df45c222875f9edb98342cf1fcdf92edb2850b2.

Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>

1 files changed, 1 insertions, 12 deletions

diff --git a/gcc/tree-predcom.c b/gcc/tree-predcom.c
index 6145583197fe..a2bb6763e524 100644
--- a/gcc/tree-predcom.c
+++ b/gcc/tree-predcom.c
@@ -2568,15 +2568,6 @@ tree_predictive_commoning_loop (struct loop *loop)
   edge exit;
   bitmap tmp_vars;
 
-  unroll_factor = 4;
-  unroll = can_unroll_loop_p (loop, unroll_factor, &desc);
-  exit = single_dom_exit (loop);
-
-  if (unroll && noalias != 0)
-    {
-      tree_unroll_loop (loop, unroll_factor, exit, &desc);
-    }
-
   if (dump_file && (dump_flags & TDF_DETAILS))
     fprintf (dump_file, "Processing loop %d\n",  loop->num);
 
@@ -2659,7 +2650,7 @@ tree_predictive_commoning_loop (struct loop *loop)
 
   /* Execute the predictive commoning transformations, and possibly unroll the
      loop.  */
-  if (unroll && noalias == 0)
+  if (unroll)
     {
       struct epcc_data dta;
 
@@ -2725,8 +2716,6 @@ tree_predictive_commoning (void)
     }
   free_original_copy_tables ();
 
-  ret = TODO_cleanup_cfg;
-
   return ret;
 }