From: Segher Boessenkool <segher@kernel.crashing.org>
To: Richard Biener <rguenther@suse.de>
Cc: gcc-patches@gcc.gnu.org, jakub@redhat.com, dje.gcc@gmail.com,
wschmidt@linux.vnet.ibm.com
Subject: Re: Backports to 6 (and 7, and 5)
Date: Tue, 27 Jun 2017 16:02:00 -0000 [thread overview]
Message-ID: <20170627160237.GB16550@gate.crashing.org> (raw)
In-Reply-To: <alpine.LSU.2.20.1706270916250.23185@zhemvz.fhfr.qr>
On Tue, Jun 27, 2017 at 09:18:07AM +0200, Richard Biener wrote:
> On Mon, 26 Jun 2017, Segher Boessenkool wrote:
> > https://gcc.gnu.org/ml/gcc-patches/2016-11/msg01853.html
> > https://gcc.gnu.org/ml/gcc-patches/2016-11/msg01923.html
> > https://gcc.gnu.org/ml/gcc-patches/2016-11/msg02048.html
> > https://gcc.gnu.org/ml/gcc-patches/2016-11/msg02606.html
> > bb-reorder: Improve compgotos pass (PR71785)
>
> It's not clear this fixes a regression and as it is
> a missed-optimization I'd not backport it at this point in time
> (I understand it's in GCC 7 already).
It's a regression from 3.x, and a pretty severe one, but we can live
with it for a bit longer, it's a bit invasive for a backport.
Thanks for the review,
Segher
next prev parent reply other threads:[~2017-06-27 16:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-26 22:31 Segher Boessenkool
2017-06-27 7:18 ` Richard Biener
2017-06-27 16:02 ` Segher Boessenkool [this message]
2017-06-27 17:36 ` Jakub Jelinek
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