>>> On 09.07.15 at 16:00, <paul.durr...@citrix.com> wrote: > So, the only significant difference I can see is that using a signed value > causes an extra cltq instruction to be used. Or maybe I need some specific > level of optimization for there to be a big difference?
No, this is the difference I'm trying to point out (and if the index register wasn't %rax, it would be a movslq or whatever its AT&T name is). Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
