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[Bug tree-optimization/70577] [6 regression] tree-ssa/prefetch-5.c scan-tree-dump-times aprefetch failures
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 11 Apr 2016 08:26:20 +0000
- Subject: [Bug tree-optimization/70577] [6 regression] tree-ssa/prefetch-5.c scan-tree-dump-times aprefetch failures
- Auto-submitted: auto-generated
- References: <bug-70577-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70577
--- Comment #7 from Martin LiÅka <marxin at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #6)
> I think -1 is the right answer, these are flexible array-like arrays,
> where one could e.g.
> struct tail0 *p = malloc (sizeof (struct tail0) + 131072 * sizeof (int));
> initialize (p);
> loop0 (131072, p);
> and similarly for tail1/loop1.
Ah, you are right, thanks for explanation.