question about section 10.12

[Kenneth Zadeck]

this looks good to me.  does your patch also address the vec_concat 
issue that marc raised?
On 01/26/2013 09:59 PM, Hans-Peter Nilsson wrote:
>> From: Kenneth Zadeck <zadeck@naturalbridge.com>
>> Date: Sat, 26 Jan 2013 16:19:40 +0100
>> the definition of vec_duplicate in section 10.12 seems to restrictive.
>>
>> i have seen examples where the "small vector" is really a scalar. Should
>> the doc be "small vector or scalar"?
> Yes.  This patch has been sitting in a tree of mine forever;
> it's just that the tree is a read-only-access-tree and every
> time I've re-discovered it, I've been distracted before moving
> it to a write-access-tree and committing as obvious...  And
> right now when being reminded, I don't have access to one for
> another 36h.  Maybe it's a curse. :)  (N.B. if you prefer your
> own wording I don't mind; just offering a supporting
> observation.)
>
> 	* doc/rtl.texi (vec_duplicate): Mention that a scalar
> 	can be a valid operand.
>
> Index: doc/rtl.texi
> ===================================================================
> --- doc/rtl.texi	(revision 195491)
> +++ doc/rtl.texi	(working copy)
> @@ -2634,7 +2634,8 @@ the two inputs.
>   
>   @findex vec_duplicate
>   @item (vec_duplicate:@var{m} @var{vec})
> -This operation converts a small vector into a larger one by duplicating the
> +This operation converts a scalar into a vector or a small vector
> +into a larger one by duplicating the
>   input values.  The output vector mode must have the same submodes as the
>   input vector mode, and the number of output parts must be an integer multiple
>   of the number of input parts.
>
> brgds, H-P