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Re: Let ldist ignore clobbers
- From: Richard Biener <richard dot guenther at gmail dot com>
- To: Marc Glisse <marc dot glisse at inria dot fr>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 3 May 2019 09:12:44 +0200
- Subject: Re: Let ldist ignore clobbers
- References: <alpine.DEB.2.02.1905022035050.29551@grove.saclay.inria.fr>
On Thu, May 2, 2019 at 8:41 PM Marc Glisse <marc.glisse@inria.fr> wrote:
>
> Hello,
>
> this lets ldist ignore clobbers. In the testcase, this makes us lose the
> information that b is clobbered, but being able to distribute seems worth
> it.
>
> Bootstrap+regtest on x86_64-pc-linux-gnu.
OK.
Thanks,
Richard.
> 2019-05-03 Marc Glisse <marc.glisse@inria.fr>
>
> PR tree-optimization/90269
> gcc/
> * tree-loop-distribution.c (find_seed_stmts_for_distribution):
> Ignore clobbers.
>
> gcc/testsuite/
> * g++.dg/tree-ssa/ldist-1.C: New file.
>
> --
> Marc Glisse