Re: SLP for vectors

[Richard Biener <richard.guenther@gmail.com>]

On Mon, Apr 1, 2013 at 5:52 PM, Marc Glisse <marc.glisse@inria.fr> wrote:
> On Sat, 30 Mar 2013, Marc Glisse wrote:
>
>>         * tree-flow-inline.h (get_addr_base_and_unit_offset_1): Handle
>>         BIT_FIELD_REF.
>
>
> I wrote a safer version of this for PR52436:

That variant is ok - please test and commit separately.

Thanks,
Richard.

>
>
>         case BIT_FIELD_REF:
> -         return NULL_TREE;
> +         {
> +           HOST_WIDE_INT this_off = TREE_INT_CST_LOW (TREE_OPERAND (exp,
> 2));
> +           if (this_off % BITS_PER_UNIT)
> +             return NULL_TREE;
> +           byte_offset += this_off / BITS_PER_UNIT;
> +         }
> +         break;