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| author | Martin Liska <mliska@suse.cz> | 2018-03-20 15:14:17 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-03-20 14:14:17 +0000 |
| commit | 14b05bee0ccd7a6a9d7c6d498121caa4d6f9e23d (patch) | |
| tree | a7bac11c79f2261dfae19a1439fdb57878560fbe | |
| parent | 7e86e0a3a1a8f923e2fb7badfe5714bc239710af (diff) | |
| download | gcc-14b05bee0ccd7a6a9d7c6d498121caa4d6f9e23d.zip gcc-14b05bee0ccd7a6a9d7c6d498121caa4d6f9e23d.tar.gz gcc-14b05bee0ccd7a6a9d7c6d498121caa4d6f9e23d.tar.bz2 | |
Handle -fno-guess-branch-probability properly in predict.c (PR ipa/84825).
2018-03-20 Martin Liska <mliska@suse.cz>
PR ipa/84825
* predict.c (rebuild_frequencies): Handle case when we have
PROFILE_ABSENT, but flag_guess_branch_prob is false.
2018-03-20 Martin Liska <mliska@suse.cz>
PR ipa/84825
* g++.dg/ipa/pr84825.C: New test.
From-SVN: r258683
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/predict.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/ipa/pr84825.C | 18 |
4 files changed, 32 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3a7ebc9..f47c192 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-03-20 Martin Liska <mliska@suse.cz> + + PR ipa/84825 + * predict.c (rebuild_frequencies): Handle case when we have + PROFILE_ABSENT, but flag_guess_branch_prob is false. + 2018-03-20 Jakub Jelinek <jakub@redhat.com> PR target/84990 diff --git a/gcc/predict.c b/gcc/predict.c index b40dec4..019ff9e 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -3998,6 +3998,9 @@ rebuild_frequencies (void) } else if (profile_status_for_fn (cfun) == PROFILE_READ) update_max_bb_count (); + else if (profile_status_for_fn (cfun) == PROFILE_ABSENT + && !flag_guess_branch_prob) + ; else gcc_unreachable (); timevar_pop (TV_REBUILD_FREQUENCIES); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index a59f09a..6c918c0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2018-03-20 Martin Liska <mliska@suse.cz> + PR ipa/84825 + * g++.dg/ipa/pr84825.C: New test. + +2018-03-20 Martin Liska <mliska@suse.cz> + * gcc.dg/lto/chkp-ctor-merge_0.c: Remove. 2018-03-20 Jakub Jelinek <jakub@redhat.com> diff --git a/gcc/testsuite/g++.dg/ipa/pr84825.C b/gcc/testsuite/g++.dg/ipa/pr84825.C new file mode 100644 index 0000000..7ae854e --- /dev/null +++ b/gcc/testsuite/g++.dg/ipa/pr84825.C @@ -0,0 +1,18 @@ +/* PR ipa/84658 */ +/* { dg-options "-O3 --param early-inlining-insns=0 -fno-guess-branch-probability" } */ + +struct a; +struct b; +struct c { + virtual a *d(b *); +}; +struct a { + virtual a e(); +}; +struct f { + virtual ~f(); +}; +struct g : f, a {}; +struct b : c, virtual g { + b *d(b *h) { return h; } +} i; |