[PATCH] arm: allow SIMD instructions to be used without VFP support enabled

Jan Beulich JBeulich@suse.com
Tue Apr 9 09:05:00 GMT 2013
>>> On 09.04.13 at 10:32, Richard Earnshaw <rearnsha@arm.com> wrote:
> On 09/04/13 08:03, Jan Beulich wrote:
> The only thing that's useful to think about is what is permitted by the 
> architecture.  The architecture only permits INT_NEON + FP_NEON + FP, FP 
> (in various guises) and INT_NEON.  It doesn't make sense to me to allow 
> other random permutations.  Ergo
> 
> 	.arch_extension "neon"
> 	.arch_extension "nofp"
> 
> should give INT_NEON in the terminology above.

Mind pointing me to where this is stated? As said, the FPSID and
MVFRx register descriptions in the v7-A and v7-R edition of the
ARM Architecture Reference Manual don't say anything to that
effect according to my reading.

Jan



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