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


>>> On 08.04.13 at 17:41, Richard Earnshaw <rearnsha@arm.com> wrote:
> On 08/04/13 15:29, Jan Beulich wrote:
>> Instructions shared between VFP and SIMD so far got rejected after using
>>
>> 	.arch_extension simd
>> 	.arch_extension nofp
>>
>> because their table entries made them dependent on just VFP. Use a distinct
>> feature mask for them instead.
>>
>> gas/
>> 2013-04-08  Jan Beulich <jbeulich@suse.com>
>>
>> 	* gas/config/tc-arm.c (fpu_vfp_v1xd_or_neon_ext): New.
>> 	(insns) Use fpu_vfp_v1xd_or_neon_ext.
>>
> 
> This needs some tests as well, please.  In particular, the tests need to 
> ensure that the floating-point SIMD versions are correctly disabled for 
> the case you cite above.

Not sure I follow: The floating point variant of the SIMD encodings
aren't tied to the presence of VFP, and I don't think I've seen a
separate integer-only-SIMD feature flag in the gas sources.

Jan


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