diff options
| -rw-r--r-- | gcc/tree-predcom.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gcc/tree-predcom.c b/gcc/tree-predcom.c index 2bde732f8ad8..8524e4379be3 100644 --- a/gcc/tree-predcom.c +++ b/gcc/tree-predcom.c @@ -3170,6 +3170,15 @@ tree_predictive_commoning_loop (struct loop *loop) bool unroll = false, loop_closed_ssa = false; edge exit; + 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); @@ -3255,7 +3264,7 @@ tree_predictive_commoning_loop (struct loop *loop) /* Execute the predictive commoning transformations, and possibly unroll the loop. */ - if (unroll) + if (unroll && noalias == 0) { struct epcc_data dta; @@ -3323,6 +3332,8 @@ tree_predictive_commoning (void) ret = TODO_cleanup_cfg; } + ret = TODO_cleanup_cfg; + return ret; } |