ARM linux mailing lists FAQ about floating point support.

[Laurent Desnogues]

On Thu, Sep 10, 2009 at 11:03 PM, Nicolas Pitre <nico at cam.org> wrote:
> On Thu, 10 Sep 2009, Gilles Chanteperdrix wrote:
>
>> Right, it does not work, so, what does:
>> "Allows the mixing of softfloat and hardfloat code"
>>
>> is supposed to mean here for instance:
>> http://www.eurotech-inc.com/embedded-eabi-linux.asp
>
> As I just posted, it looks like gcc only implemented the soft-float ABI
> when using VFP.  So if your CPU is VFP capable then using
> -mfloat-abi=softfp should produce actual VFP instructions while still
> passing function arguments around using non VFP registers.

Didn't latest CodeSourcery ARM toolchain (2009q1) add hardfp?


Laurent