From: Andrei Borzenkov <arvidjaar@gmail.com>
To: Leif Lindholm <leif.lindholm@linaro.org>
Cc: "The development of GNU GRUB" <grub-devel@gnu.org>,
"Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>
Subject: Re: arm64 softfloat
Date: Wed, 3 Jun 2015 21:10:24 +0300 [thread overview]
Message-ID: <20150603211024.4fdca868@opensuse.site> (raw)
In-Reply-To: <20150603165212.GO8790@bivouac.eciton.net>
В Wed, 3 Jun 2015 17:52:12 +0100
Leif Lindholm <leif.lindholm@linaro.org> пишет:
> > >
> > > https://gcc.gnu.org/onlinedocs/gcc/AArch64-Options.html
> > > ---
> > > Generate code which uses only the general registers.
> > > ---
> >
> > Sure, I know this. Unfortunately it does not say how it is related to
> > floating point arithmetic at all. armclang at least makes it explicit.
>
> While it could more explicit, I am not aware of any A64 floating-point
> instructions that can operate without floating-point registers.
>
> Also, I spoke with the ARM gcc devs - the gcc documentation is
> intended to be improved to also state that "-mgeneral-regs-only is
> equivalent to +nofp being specified".
>
Sounds like it is OK then.
next prev parent reply other threads:[~2015-06-03 18:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-02 12:09 arm64 softfloat Leif Lindholm
2015-06-02 12:25 ` Vladimir 'phcoder' Serbinenko
2015-06-02 14:55 ` Leif Lindholm
2015-06-02 16:37 ` Vladimir 'φ-coder/phcoder' Serbinenko
2015-06-02 16:51 ` Andrei Borzenkov
2015-06-03 11:06 ` Leif Lindholm
2015-06-03 16:29 ` Andrei Borzenkov
2015-06-03 16:52 ` Leif Lindholm
2015-06-03 18:10 ` Andrei Borzenkov [this message]
2015-06-03 18:12 ` Vladimir 'phcoder' Serbinenko
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