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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2010-05-11 07:28:42 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2010-05-11 07:28:42 +0000 |
| commit | a8beb3a7be09b268826e992fdddde3dc468c6939 (patch) | |
| tree | 9124ddc908bc5cb63f201a55da1f5db328faadc9 /gcc/tree-ssa-loop-prefetch.c | |
| parent | 09b201fc9b3a17202761bde6b25f84bb844d5b1a (diff) | |
| download | gcc-a8beb3a7be09b268826e992fdddde3dc468c6939.zip gcc-a8beb3a7be09b268826e992fdddde3dc468c6939.tar.gz gcc-a8beb3a7be09b268826e992fdddde3dc468c6939.tar.bz2 | |
tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
* tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
From-SVN: r159256
Diffstat (limited to 'gcc/tree-ssa-loop-prefetch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-prefetch.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/tree-ssa-loop-prefetch.c b/gcc/tree-ssa-loop-prefetch.c index 7497616..2fc901d 100644 --- a/gcc/tree-ssa-loop-prefetch.c +++ b/gcc/tree-ssa-loop-prefetch.c @@ -860,11 +860,20 @@ should_issue_prefetch_p (struct mem_ref *ref) /* For now do not issue prefetches for only first few of the iterations. */ if (ref->prefetch_before != PREFETCH_ALL) - return false; + { + if (dump_file && (dump_flags & TDF_DETAILS)) + fprintf (dump_file, "Ignoring %p due to prefetch_before\n", + (void *) ref); + return false; + } /* Do not prefetch nontemporal stores. */ if (ref->storent_p) - return false; + { + if (dump_file && (dump_flags & TDF_DETAILS)) + fprintf (dump_file, "Ignoring nontemporal store %p\n", (void *) ref); + return false; + } return true; } |