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Re: Patch for PR39557
- From: Diego Novillo <dnovillo at google dot com>
- To: Xinliang David Li <davidxl at google dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>, Ian Lance Taylor <iant at google dot com>
- Date: Thu, 26 Mar 2009 08:42:23 -0400
- Subject: Re: Patch for PR39557
- References: <522e93240903251640m3e6c1c86ga3b1998c03b61f94@mail.gmail.com>
On Wed, Mar 25, 2009 at 19:40, Xinliang David Li <davidxl@google.com> wrote:
> 1) tree-ssa.c change.
>
> In fact, this is the only change that is needed to fix the problem.
>
> 2) dominance.c
> Â Â params.def
I would probably only include the tree-ssa.c change in 4.4. The
verification check seems better suited for 4.5.
> By the way, is there a plan to make DOM/PDOM incremental update more robust?
Not that I know of. Patches are welcome, of course.
You will probably need to reduce the test case further as well. Have
you tried multidelta? It's usually pretty effective.
Diego.