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Re: Is nonoverlapping_memrefs_p wrong for unknown offsets?

From: Steven Bosscher <stevenb dot gcc at gmail dot com>
To: Mat Hostetter <mhostetter at tilera dot com>
Cc: gcc at gcc dot gnu dot org
Date: Mon, 12 Apr 2010 21:54:42 +0200
Subject: Re: Is nonoverlapping_memrefs_p wrong for unknown offsets?
References: <7usk701ucw.fsf@tilera.com> <q2t571f6b511004121018z6fcf1e22nb2616e15f648d726@mail.gmail.com> <7uiq7w1sgk.fsf@tilera.com>

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

References:
- Is nonoverlapping_memrefs_p wrong for unknown offsets?
  - From: Mat Hostetter
- Re: Is nonoverlapping_memrefs_p wrong for unknown offsets?
  - From: Steven Bosscher
- Re: Is nonoverlapping_memrefs_p wrong for unknown offsets?
  - From: Mat Hostetter

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