Is nonoverlapping_memrefs_p wrong for unknown offsets?

[Steven Bosscher]

On Mon, Apr 12, 2010 at 7:38 PM, Mat Hostetter <mhostetter@tilera.com> wrote:
> Also, flow_find_cross_jump coarsens the aliasing information as it
> scans, so even if it gives up because it doesn't find enough insns to
> merge, the aliasing data is lost.  We implemented a split of the scan
> from the actual destructive merging.

Yes, I've noticed that before, too. Could you post your patch to
gcc-patches@gcc.gnu.org, if you have the necessary paperwork in place?

Ciao!
Steven