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Message-ID: <CAH8yC8=VWVzWRC39B-bwkP7U=MSsGAJ47AnoxKWgV0c0XLBUQw@mail.gmail.com>
Date: Wed, 16 Feb 2022 06:32:23 -0500
From: Jeffrey Walton <noloader@...il.com>
To: Jeffrey Walton <noloader@...il.com>, SIMONE MIONE <205212@...denti.unimore.it>,
musl@...ts.openwall.com
Subject: Re: musl how to use hard float with aarch64-none-elf-gcc
On Wed, Feb 16, 2022 at 6:29 AM Szabolcs Nagy <nsz@...t70.net> wrote:
>
> * Jeffrey Walton <noloader@...il.com> [2022-02-16 05:24:48 -0500]:
> > On Wed, Feb 16, 2022 at 4:51 AM SIMONE MIONE <205212@...denti.unimore.it> wrote:
> > >
> > > I am trying to integrate musl in a baremetal environment. I already have float support but I can't manage to disable soft-float by musl.
> > >
> > > I configure with:
> > > ./configure --target=aarch64-none-elf --enable-debug --disable-shared
> > > And simple compile with:
> > > make
> > >
> > > Does anyone know how to use hardfloat instead of soft float? Is there any option or flag? Thank you
> >
> > The GCC options for hard-floats are -mfpu=neon -mfloat-abi=hard. In
> > later versions of GCC, you can also use -mfpu=auto (sometimes).
>
> that's for 32bit arm
>
> there is no soft float abi for aarch64, so i'm not sure what's going on.
Oh, you're right My bad. I did not notice it was Aarch64.
Jeff
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