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| author | Jan Hubicka <hubicka@ucw.cz> | 2017-11-14 10:22:49 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2017-11-14 09:22:49 +0000 |
| commit | fee234f10fa45066a0a50a3312a642fe8c6c17b5 (patch) | |
| tree | 38717716367363bc9c6333ad40a0bc238b90eeec /gcc/shrink-wrap.c | |
| parent | fc06ae0d196a321425aefe9e2e262abfb10c0775 (diff) | |
| download | gcc-fee234f10fa45066a0a50a3312a642fe8c6c17b5.zip gcc-fee234f10fa45066a0a50a3312a642fe8c6c17b5.tar.gz gcc-fee234f10fa45066a0a50a3312a642fe8c6c17b5.tar.bz2 | |
tracer.c (better_p): Do not compare frequencies.
* tracer.c (better_p): Do not compare frequencies.
* reg-stack.c (better_edge): Likewise.
* shrink-wrap.c (try_shrink_wrapping): Do not convert to gcov counts
and back.
From-SVN: r254726
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 0e4ff6c..ce2ddfc 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; } |