diff options
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.cc')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.cc b/gcc/tree-ssa-loop-ivopts.cc index 544a946..879668c 100644 --- a/gcc/tree-ssa-loop-ivopts.cc +++ b/gcc/tree-ssa-loop-ivopts.cc @@ -147,7 +147,7 @@ along with GCC; see the file COPYING3. If not see The average trip count is computed from profile data if it exists. */ -static inline HOST_WIDE_INT +static inline unsigned HOST_WIDE_INT avg_loop_niter (class loop *loop) { HOST_WIDE_INT niter = estimated_stmt_executions_int (loop); @@ -4213,7 +4213,9 @@ adjust_setup_cost (struct ivopts_data *data, int64_t cost, return cost; else if (optimize_loop_for_speed_p (data->current_loop)) { - int64_t niters = (int64_t) avg_loop_niter (data->current_loop); + uint64_t niters = avg_loop_niter (data->current_loop); + if (niters > (uint64_t) cost) + return (round_up_p && cost != 0) ? 1 : 0; return (cost + (round_up_p ? niters - 1 : 0)) / niters; } else @@ -7277,7 +7279,7 @@ create_new_ivs (struct ivopts_data *data, class iv_ca *set) if (data->loop_loc != UNKNOWN_LOCATION) fprintf (dump_file, " at %s:%d", LOCATION_FILE (data->loop_loc), LOCATION_LINE (data->loop_loc)); - fprintf (dump_file, ", " HOST_WIDE_INT_PRINT_DEC " avg niters", + fprintf (dump_file, ", " HOST_WIDE_INT_PRINT_UNSIGNED " avg niters", avg_loop_niter (data->current_loop)); fprintf (dump_file, ", %lu IVs:\n", bitmap_count_bits (set->cands)); EXECUTE_IF_SET_IN_BITMAP (set->cands, 0, i, bi) |