On 11/22/2016 8:07 AM, Steven Schveighoffer wrote:On 11/22/16 8:31 AM, Ilya Yaroshenko wrote:They should unless there is no hardware instruction available. I believe the software implementation is only a fallback when this is the case.2. Why bsf and bsr do NOT use hardware instructions anymore?That's correct.
Thank you for the confirmation!