diff options
Diffstat (limited to 'gcc/passes.c')
| -rw-r--r-- | gcc/passes.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/gcc/passes.c b/gcc/passes.c index c730949bcf9..24a2d232080 100644 --- a/gcc/passes.c +++ b/gcc/passes.c @@ -1456,7 +1456,7 @@ rest_of_handle_loop_optimize (tree decl, rtx insns) reg_scan (insns, max_reg_num (), 1); } cleanup_barriers (); - loop_optimize (insns, dump_file, do_unroll | LOOP_BCT | do_prefetch); + loop_optimize (insns, dump_file, do_unroll | do_prefetch); /* Loop can create trivially dead instructions. */ delete_trivially_dead_insns (insns, max_reg_num ()); @@ -1476,6 +1476,12 @@ rest_of_handle_loop2 (tree decl, rtx insns) struct loops *loops; basic_block bb; + if (!flag_unswitch_loops + && !flag_peel_loops + && !flag_unroll_loops + && !flag_branch_on_count_reg) + return; + timevar_push (TV_LOOP); open_dump_file (DFI_loop2, decl); if (dump_file) @@ -1498,6 +1504,11 @@ rest_of_handle_loop2 (tree decl, rtx insns) (flag_unroll_loops ? UAP_UNROLL : 0) | (flag_unroll_all_loops ? UAP_UNROLL_ALL : 0)); +#ifdef HAVE_doloop_end + if (flag_branch_on_count_reg && HAVE_doloop_end) + doloop_optimize_loops (loops); +#endif /* HAVE_doloop_end */ + loop_optimizer_finalize (loops, dump_file); } @@ -1776,10 +1787,7 @@ rest_of_compilation (tree decl) if (flag_tracer) rest_of_handle_tracer (decl, insns); - if (optimize > 0 - && (flag_unswitch_loops - || flag_peel_loops - || flag_unroll_loops)) + if (optimize > 0) rest_of_handle_loop2 (decl, insns); if (flag_web) |