[PATCH 1/2] Adding ARM VFP V2 support

Sebastian Huber sebastian.huber at embedded-brains.de
Tue Jan 24 06:15:49 UTC 2017


In this case the FPU is no longer in full-compliance with EEE 754. I 
don't think this should be set by the startup code depending on some BSP 
optimization options. I guess the paranoia test fails if you enable this.

On 23/01/17 15:43, Kirspel, Kevin wrote:
> Yes
>
> Kevin Kirspel
> Electrical Engineer - Sr. Staff
> Idexx Roswell
> 235 Hembree Park Drive
> Roswell GA 30076
> Tel: (770)-510-4444 ext. 81642
> Direct: (770)-688-1642
> Fax: (770)-510-4445
>
> -----Original Message-----
> From: Sebastian Huber [mailto:sebastian.huber at embedded-brains.de]
> Sent: Monday, January 23, 2017 9:37 AM
> To: Kirspel, Kevin <Kevin-Kirspel at idexx.com>; devel at rtems.org
> Subject: Re: [PATCH 1/2] Adding ARM VFP V2 support
>
>
>
> On 23/01/17 14:51, Kevin Kirspel wrote:
>> +#ifdef __FAST_MATH__
>> +	/* Enable Fast FPU options */
>> +	mov r0, #(3 << 24)
>> +	vmsr FPSCR, r0
>> +#endif
> This define is related to the GCC fast-math optimization option.
>

-- 
Sebastian Huber, embedded brains GmbH

Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone   : +49 89 189 47 41-16
Fax     : +49 89 189 47 41-09
E-Mail  : sebastian.huber at embedded-brains.de
PGP     : Public key available on request.

Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.



More information about the devel mailing list