Re: [gomp4.1] Handle linear clause modifiers in declare simd

[Ilya Verbin <iverbin@gmail.com>]

Hi!

On Wed, Jul 01, 2015 at 12:55:38 +0200, Jakub Jelinek wrote:
> I've committed following patch, which per the new ABI additions
> mangles and handles the various new linear clause modifiers in
> declare simd functions.  The vectorizer side is not done yet,
>
> [...]
>
> @@ -14195,12 +14216,25 @@ simd_clone_mangle (struct cgraph_node *n
>      {
>        struct cgraph_simd_clone_arg arg = clone_info->args[n];
>  
> -      if (arg.arg_type == SIMD_CLONE_ARG_TYPE_UNIFORM)
> -	pp_character (&pp, 'u');
> -      else if (arg.arg_type == SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP)
> +      switch (arg.arg_type)
>  	{
> -	  gcc_assert (arg.linear_step != 0);
> +	case SIMD_CLONE_ARG_TYPE_UNIFORM:
> +	  pp_character (&pp, 'u');
> +	  break;
> +	case SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP:
>  	  pp_character (&pp, 'l');
> +	  goto mangle_linear;
> +	case SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP:
> +	  pp_character (&pp, 'R');
> +	  goto mangle_linear;
> +	case SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP:
> +	  pp_character (&pp, 'L');
> +	  goto mangle_linear;
> +	case SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP:
> +	  pp_character (&pp, 'U');
> +	  goto mangle_linear;
> +	mangle_linear:
> +	  gcc_assert (arg.linear_step != 0);

Could you please point to where the new ABI additions are documented?
I can't find R/L/U parameter types in [1] and [2].

[1] https://sourceware.org/glibc/wiki/libmvec?action=AttachFile&do=view&target=VectorABI.txt
[2] https://groups.google.com/forum/#!topic/x86-64-abi/LmppCfN1rZ4

Thanks,
  -- Ilya