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From: Aldy Hernandez <aldyh@redhat.com>
To: Jakub Jelinek <jakub@redhat.com>
Cc: GCC Mailing List <gcc@gcc.gnu.org>,
	"MacLeod, Andrew" <amacleod@redhat.com>
Subject: Re: spaceship_replacement cannot see through simplified set of FP conditionals
Date: Fri, 29 Jul 2022 13:51:00 +0200	[thread overview]
Message-ID: <CAGm3qMWkuk2Jqo-mNTM2DXTXizwQHQP1scnyFqwz=1-j=56ijw@mail.gmail.com> (raw)
In-Reply-To: <YuPJZykhvib/Icv7@tucnak>

Sweeeet!

Would you like me to XFAIL the test or leave it as a failure?

Thanks.
Aldy

On Fri, Jul 29, 2022 at 1:50 PM Jakub Jelinek <jakub@redhat.com> wrote:
>
> On Fri, Jul 29, 2022 at 01:40:12PM +0200, Aldy Hernandez wrote:
> > With my upcoming patch enabling floating point VRP,
> > g++.dg/opt/pr94589-2.C is failing:
> >
> > https://gcc.gnu.org/pipermail/gcc-patches/2022-July/598788.html
> >
> > The problem is that phiopt no longer sees the following snippet,
> > because we have folded away the final conditional as true:
>
> > Could someone give me a hand here? Can spaceship_replacement easily be
> > adapted to handle this case, or should we be simplifying this
> > elsewhere?
>
> Leave it to me, once you commit, file a PR and I'll work on it.
>
>         Jakub
>


  reply	other threads:[~2022-07-29 11:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-29 11:40 Aldy Hernandez
2022-07-29 11:49 ` Jakub Jelinek
2022-07-29 11:51   ` Aldy Hernandez [this message]
2022-07-29 11:57     ` Jakub Jelinek

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