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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