diff options
Diffstat (limited to 'gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc/tree-vect-loop.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index 32a5caa..576a42f 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -7123,21 +7123,25 @@ scale_profile_for_vect_loop (struct loop *loop, unsigned vf) if (!(freq_e > profile_count::from_gcov_type (1))) freq_e = profile_count::from_gcov_type (1); /* This should not overflow. */ - scale = freq_e.apply_scale (new_est_niter + 1, 1).probability_in (freq_h); + scale = freq_e.apply_scale (new_est_niter + 1, 1).probability_in (freq_h) + .to_reg_br_prob_base (); scale_loop_frequencies (loop, scale, REG_BR_PROB_BASE); } basic_block exit_bb = single_pred (loop->latch); edge exit_e = single_exit (loop); exit_e->count = loop_preheader_edge (loop)->count; - exit_e->probability = REG_BR_PROB_BASE / (new_est_niter + 1); + exit_e->probability = profile_probability::always () + .apply_scale (1, new_est_niter + 1); edge exit_l = single_pred_edge (loop->latch); - int prob = exit_l->probability; - exit_l->probability = REG_BR_PROB_BASE - exit_e->probability; + int prob = exit_l->probability.initialized_p () + ? exit_l->probability.to_reg_br_prob_base () : 0; + exit_l->probability = exit_e->probability.invert (); exit_l->count = exit_bb->count - exit_e->count; if (prob > 0) - scale_bbs_frequencies_int (&loop->latch, 1, exit_l->probability, prob); + scale_bbs_frequencies_int (&loop->latch, 1, + exit_l->probability.to_reg_br_prob_base (), prob); } /* Function vect_transform_loop. @@ -7660,7 +7664,7 @@ optimize_mask_stores (struct loop *loop) e->flags = EDGE_TRUE_VALUE; efalse = make_edge (bb, store_bb, EDGE_FALSE_VALUE); /* Put STORE_BB to likely part. */ - efalse->probability = PROB_UNLIKELY; + efalse->probability = profile_probability::unlikely (); store_bb->frequency = PROB_ALWAYS - EDGE_FREQUENCY (efalse); make_edge (store_bb, join_bb, EDGE_FALLTHRU); if (dom_info_available_p (CDI_DOMINATORS)) |