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In-Reply-To: <Y5rPK0ks39aYuGOV@tucnak>
From: Hongtao Liu <crazylht@gmail.com>
Date: Thu, 15 Dec 2022 15:45:14 +0800
Message-ID: <CAMZc-bxbtc9sYdfZ2hMqUhB39OHuLAVpSnR5VE9rypHgK_v5EQ@mail.gmail.com>
Subject: Re: [PATCH V2 2/2] [x86] x86: Add a new option -mdaz-ftz to enable
 FTZ and DAZ flags in MXCSR.
To: Jakub Jelinek <jakub@redhat.com>
Cc: liuhongt <hongtao.liu@intel.com>, gcc-patches@gcc.gnu.org, hjl.tools@gmail.com, 
	ubizjak@gmail.com
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On Thu, Dec 15, 2022 at 3:39 PM Jakub Jelinek <jakub@redhat.com> wrote:
>
> On Thu, Dec 15, 2022 at 02:21:37PM +0800, liuhongt via Gcc-patches wrote:
> > --- a/gcc/config/i386/i386.opt
> > +++ b/gcc/config/i386/i386.opt
> > @@ -420,6 +420,10 @@ mpc80
> >  Target RejectNegative
> >  Set 80387 floating-point precision to 80-bit.
> >
> > +mdaz-ftz
> > +Target
>
> s/Target/Driver/
Change to Driver and Got error like:cc1: error: command-line option
=E2=80=98-mdaz-ftz=E2=80=99 is valid for the driver but not for C.
>
> > +Set the FTZ and DAZ Flags.
>
>         Jakub
>


--=20
BR,
Hongtao