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| author | Renlin Li <renlin.li@arm.com> | 2014-11-10 17:53:21 +0000 |
|---|---|---|
| committer | Jiong Wang <jiwang@gcc.gnu.org> | 2014-11-10 17:53:21 +0000 |
| commit | 202d59415f19e3bb8a85abca3f79d952f8a4d54c (patch) | |
| tree | e13c3ceaa56a47f629109a9a6d9f8fcd7fa67357 /gcc/tree-ssa-threadupdate.c | |
| parent | a25efea0868cef17064a71d76a2fd7d209adc6b3 (diff) | |
| download | gcc-202d59415f19e3bb8a85abca3f79d952f8a4d54c.zip gcc-202d59415f19e3bb8a85abca3f79d952f8a4d54c.tar.gz gcc-202d59415f19e3bb8a85abca3f79d952f8a4d54c.tar.bz2 | |
[PATCH] Partially fix PR61529, bound basic block frequency
2014-11-10 Renlin Li <Renlin.Li@arm.com>
PR middle-end/61529
gcc/
* tree-ssa-threadupdate.c (compute_path_counts): Bound path_in_freq.
gcc/testsuite/
* gcc.dg/pr61529.c: New.
From-SVN: r217303
Diffstat (limited to 'gcc/tree-ssa-threadupdate.c')
| -rw-r--r-- | gcc/tree-ssa-threadupdate.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-ssa-threadupdate.c b/gcc/tree-ssa-threadupdate.c index 5d838c3..151ed83 100644 --- a/gcc/tree-ssa-threadupdate.c +++ b/gcc/tree-ssa-threadupdate.c @@ -734,6 +734,11 @@ compute_path_counts (struct redirection_data *rd, nonpath_count += ein->count; } } + + /* This is needed due to insane incoming frequencies. */ + if (path_in_freq > BB_FREQ_MAX) + path_in_freq = BB_FREQ_MAX; + BITMAP_FREE (in_edge_srcs); /* Now compute the fraction of the total count coming into the first |