From: Richard Biener <richard.guenther@gmail.com>
To: Eric Botcazou <ebotcazou@adacore.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [patch] Fix PR tree-optimization/86990
Date: Thu, 20 Sep 2018 14:10:00 -0000 [thread overview]
Message-ID: <CAFiYyc36v3gaFH5-582vNisjuQSnOh1sy_gMQs1SdPQszSEBFw@mail.gmail.com> (raw)
In-Reply-To: <3060399.xauHP6aoJ4@polaris>
On Mon, Sep 17, 2018 at 9:12 AM Eric Botcazou <ebotcazou@adacore.com> wrote:
>
> Hi,
>
> this is a regression present on the mainline only: now that the GIMPLE store
> merging pass is able to mix constants and SSA_NAMEs on the RHS of stores to
> bit-fields, we need to check that the entire merged store group is made of
> constants only when encountering overlapping stores.
>
> Tested on x86_64-suse-linux, OK for the mainline?
OK.
Richard.
>
> 2018-09-17 Eric Botcazou <ebotcazou@adacore.com>
>
> PR tree-optimization/86990
> * gimple-ssa-store-merging.c (imm_store_chain_info::coalesce_immediate):
> Check that the entire merged store group is made of constants only for
> overlapping stores.
>
>
> 2018-09-17 Eric Botcazou <ebotcazou@adacore.com>
>
> * gcc.c-torture/execute/20180917-1.c: New test.
>
> --
> Eric Botcazou
prev parent reply other threads:[~2018-09-20 14:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-17 7:12 Eric Botcazou
2018-09-20 14:10 ` Richard Biener [this message]
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