diff options
Diffstat (limited to 'gcc/shrink-wrap.c')
| -rw-r--r-- | gcc/shrink-wrap.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/gcc/shrink-wrap.c b/gcc/shrink-wrap.c index 0e4ff6cd46a..ce2ddfc09f7 100644 --- a/gcc/shrink-wrap.c +++ b/gcc/shrink-wrap.c @@ -880,19 +880,18 @@ try_shrink_wrapping (edge *entry_edge, rtx_insn *prologue_seq) the correct answer for reducible flow graphs; for irreducible flow graphs our profile is messed up beyond repair anyway. */ - gcov_type num = 0; - gcov_type den = 0; + profile_count num = profile_count::zero (); + profile_count den = profile_count::zero (); FOR_EACH_EDGE (e, ei, pro->preds) if (!dominated_by_p (CDI_DOMINATORS, e->src, pro)) { - num += EDGE_FREQUENCY (e); - den += e->src->count.to_frequency (cfun); + if (e->count ().initialized_p ()) + num += e->count (); + if (e->src->count.initialized_p ()) + den += e->src->count; } - if (den == 0) - den = 1; - /* All is okay, so do it. */ crtl->shrink_wrapped = true; @@ -919,8 +918,9 @@ try_shrink_wrapping (edge *entry_edge, rtx_insn *prologue_seq) if (dump_file) fprintf (dump_file, "Duplicated %d to %d\n", bb->index, dup->index); - - bb->count = bb->count.apply_scale (num, den); + + if (num == profile_count::zero () || den.nonzero_p ()) + bb->count = bb->count.apply_scale (num, den); dup->count -= bb->count; } |