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Re: ARM registers, documentation.


On 7 December 2011 14:57, John Reiser <jreiser@bitwagon.com> wrote:
> On 12/07/2011 02:40 AM, Dave Pawson wrote:
>> Looking for information in
>> http://sourceware.org/binutils/docs-2.22/as/ARM_002dRegs.html#ARM_002dRegs
> Â[big snip]
>> In the end, we have 32 single precision registers OR 16 double
>> precision registers.
>
> Why not use something such as:
> Â union {
> Â Â Â ieee754_single_precision_big_endian s[32];
> Â Â Â ieee754_double_precision_big_endian d[16];
> Â Â};
> which concisely explains the format and the overlap?

Ease of comprehension?
  The above means little to me (possibly to others?)
 Ideally I'd use the diagram from ARM,
but that document is copyrighted?
  Shows the overlap very clearly.

regards




-- 
Dave Pawson
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http://www.dpawson.co.uk


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