[Bug tree-optimization/70577] [6 regression] tree-ssa/prefetch-5.c scan-tree-dump-times aprefetch failures

marxin at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Apr 11 08:26:00 GMT 2016


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70577

--- Comment #7 from Martin Liška <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.


More information about the Gcc-bugs mailing list