diff options
| author | Martin Liska <mliska@suse.cz> | 2018-11-07 10:33:22 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-11-07 09:33:22 +0000 |
| commit | 907050e34f4d1b5471e738cf5a718a8c6f50e334 (patch) | |
| tree | deb77b6e57768a9edb6812fdbddb78321929cfb2 /gcc/profile-count.h | |
| parent | 9cfc08c0491270417557f00998857722c405f0b3 (diff) | |
| download | gcc-907050e34f4d1b5471e738cf5a718a8c6f50e334.zip gcc-907050e34f4d1b5471e738cf5a718a8c6f50e334.tar.gz gcc-907050e34f4d1b5471e738cf5a718a8c6f50e334.tar.bz2 | |
Fix UBSAN in postreload-gcse.c (PR rtl-optimization/87868).
2018-11-07 Martin Liska <mliska@suse.cz>
PR rtl-optimization/87868
* postreload-gcse.c (eliminate_partially_redundant_load): Set
threshold to max_count if we would overflow.
* profile-count.h: Make max_count a public constant.
From-SVN: r265869
Diffstat (limited to 'gcc/profile-count.h')
| -rw-r--r-- | gcc/profile-count.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/profile-count.h b/gcc/profile-count.h index f4d0c34..5d3bcc7 100644 --- a/gcc/profile-count.h +++ b/gcc/profile-count.h @@ -641,8 +641,8 @@ public: type to hold various extra stages. */ static const int n_bits = 61; -private: static const uint64_t max_count = ((uint64_t) 1 << n_bits) - 2; +private: static const uint64_t uninitialized_count = ((uint64_t) 1 << n_bits) - 1; uint64_t m_val : n_bits; |