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| author | Martin Liska <mliska@suse.cz> | 2021-01-22 14:00:30 +0100 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2021-01-22 14:20:53 +0100 |
| commit | b46027c6544d3680b3647d3c771c9844b8b95772 (patch) | |
| tree | 02024a2db47d08225b880a62f91aa3d47c24d3f5 /gcc | |
| parent | 4804de453e7f5f90dd5e64114abbd272f9e8f62d (diff) | |
| download | gcc-b46027c6544d3680b3647d3c771c9844b8b95772.zip gcc-b46027c6544d3680b3647d3c771c9844b8b95772.tar.gz gcc-b46027c6544d3680b3647d3c771c9844b8b95772.tar.bz2 | |
Drop time profile for multi-threaded training run.
gcc/ChangeLog:
PR gcov-profile/98739
* profile.c (compute_value_histograms): Drop time profile for
-fprofile-reproducible=multithreaded.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/profile.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gcc/profile.c b/gcc/profile.c index 1f1d60c..1fa4196 100644 --- a/gcc/profile.c +++ b/gcc/profile.c @@ -897,8 +897,16 @@ compute_value_histograms (histogram_values values, unsigned cfg_checksum, node->tp_first_run = 0; } - if (dump_file) - fprintf (dump_file, "Read tp_first_run: %d\n", node->tp_first_run); + /* Drop profile for -fprofile-reproducible=multithreaded. */ + bool drop + = (flag_profile_reproducible == PROFILE_REPRODUCIBILITY_MULTITHREADED); + if (drop) + node->tp_first_run = 0; + + if (dump_file) + fprintf (dump_file, "Read tp_first_run: %d%s\n", node->tp_first_run, + drop ? "; ignored because profile reproducibility is " + "multi-threaded" : ""); } } |