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| author | Jan Hubicka <jh@suse.cz> | 2003-09-29 23:19:10 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2003-09-29 21:19:10 +0000 |
| commit | f820b0cf2cb6595ed42b16fd1615eb3aec0a6ada (patch) | |
| tree | ac8d51ac3e224b015d329e29e83234c8093f3647 /gcc/profile.c | |
| parent | 2cd5614273c9579fa35eff4b53a773c95b74fc75 (diff) | |
| download | gcc-f820b0cf2cb6595ed42b16fd1615eb3aec0a6ada.tar.gz | |
re PR c++/12175 (Tru64 UNIX bootstrap failure: multiply defined symbols linking libstdc++.so)
PR c++/12175
* varasm.c (notice_global_symbol): Discard external symbols.
PR optimization/12286
* gcov-io.c (gcov_read_words): Fix memmove call.
* profile.c (compute_branch_probabilities): Add extra sanity checks.
PR C++/12047
* except.c (build_eh_type_type): Call mark_used on the type.
From-SVN: r71916
Diffstat (limited to 'gcc/profile.c')
| -rw-r--r-- | gcc/profile.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/profile.c b/gcc/profile.c index 09949819064..082ed322e5a 100644 --- a/gcc/profile.c +++ b/gcc/profile.c @@ -280,6 +280,22 @@ compute_branch_probabilities (void) gcov_type *exec_counts = get_exec_counts (); int exec_counts_pos = 0; + /* Very simple sanity checks so we catch bugs in our profiling code. */ + if (profile_info) + { + if (profile_info->run_max * profile_info->runs < profile_info->sum_max) + { + error ("corrupted profile info: run_max * runs < sum_max"); + exec_counts = NULL; + } + + if (profile_info->sum_all < profile_info->sum_max) + { + error ("corrupted profile info: sum_all is smaller than sum_max"); + exec_counts = NULL; + } + } + /* Attach extra info block to each bb. */ alloc_aux_for_blocks (sizeof (struct bb_info)); @@ -315,6 +331,11 @@ compute_branch_probabilities (void) if (exec_counts) { e->count = exec_counts[exec_counts_pos++]; + if (e->count > profile_info->sum_max) + { + error ("corrupted profile info: edge from %i to %i exceeds maximal count", + bb->index, e->dest->index); + } } else e->count = 0; |