Re: [PATCH v3] Take known zero bits into account when checking extraction.

2016-05-19 Thread Jeff Law
On 05/19/2016 05:18 AM, Dominik Vogt wrote: On Mon, May 16, 2016 at 01:09:36PM -0600, Jeff Law wrote: > On 05/11/2016 02:52 AM, Dominik Vogt wrote: > >On Wed, May 11, 2016 at 10:40:11AM +0200, Bernd Schmidt wrote: > >That's what I mentioned somewhere during the discussion. The s390 > >backend

Re: [PATCH v3] Take known zero bits into account when checking extraction.

2016-05-19 Thread Dominik Vogt
On Mon, May 16, 2016 at 01:09:36PM -0600, Jeff Law wrote: > On 05/11/2016 02:52 AM, Dominik Vogt wrote: > >On Wed, May 11, 2016 at 10:40:11AM +0200, Bernd Schmidt wrote: > >That's what I mentioned somewhere during the discussion. The s390 > >backend just uses COSTS_N_INSNS(1) for AND as well as ZE