On Wed, Aug 28, 2019 at 5:12 PM Uros Bizjak <ubiz...@gmail.com> wrote:
>
> Attached patch improves costing for STV shifts and corrects reject
> condition for out of range shift count operands.
>
> 2019-08-28 Uroš Bizjak <ubiz...@gmail.com>
>
> * config/i386/i386-features.c
> (general_scalar_chain::compute_convert_gain):
> Correct cost for double-word shifts.
> (general_scalar_to_vector_candidate_p): Reject count operands
> greater or equal to mode bitsize.
>
> Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
>
> Committed to mainline SVN.
Ouch... I mixed up patches and actually committed the patch that
removes maximum from cost of sse<->int moves.
I can leave the patch for a day, so we can see the effects of the cost
change, and if the patch creates problems, I'll revert it.
Sorry for the mixup,
Uros.
