On 15/09/14 11:56, Andrew Stubbs wrote:
> On 15/09/14 10:46, Richard Earnshaw wrote:
>> Hmm, I wonder if arm_override_options should reject neon + (arch < 7).
>
> Is this more to your taste?
>
Yep, that's fine.
> Andrew
>
> P.S. arm_override_options was renamed in 2010.
I'm getting old :-(
R.
>
>
> arm_neon_ok-2.patch
>
>
> 2014-09-15 Andrew Stubbs <a...@codesourcery.com>
>
> * gcc/config/arm/arm.c (arm_option_override): Reject -mfpu=neon
> when architecture is older than ARMv7.
>
> Index: gcc/config/arm/arm.c
> ===================================================================
> --- gcc/config/arm/arm.c (revision 215228)
> +++ gcc/config/arm/arm.c (working copy)
> @@ -2845,6 +2845,9 @@
>
> arm_fpu_desc = &all_fpus[arm_fpu_index];
>
> + if (TARGET_NEON && !arm_arch7)
> + error ("target CPU does not support NEON");
> +
> switch (arm_fpu_desc->model)
> {
> case ARM_FP_MODEL_VFP:
>
