From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:33250) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TLfIx-0001FX-1d for qemu-devel@nongnu.org; Tue, 09 Oct 2012 15:17:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TLfIr-0007eZ-Ci for qemu-devel@nongnu.org; Tue, 09 Oct 2012 15:17:22 -0400 Received: from mail-pb0-f45.google.com ([209.85.160.45]:50057) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TLfIr-0007eK-5u for qemu-devel@nongnu.org; Tue, 09 Oct 2012 15:17:17 -0400 Received: by mail-pb0-f45.google.com with SMTP id rp2so5591901pbb.4 for ; Tue, 09 Oct 2012 12:17:16 -0700 (PDT) Sender: Richard Henderson Message-ID: <5074783A.2080807@twiddle.net> Date: Tue, 09 Oct 2012 12:17:14 -0700 From: Richard Henderson MIME-Version: 1.0 References: <1349526621-13939-1-git-send-email-pbonzini@redhat.com> <1349526621-13939-11-git-send-email-pbonzini@redhat.com> In-Reply-To: <1349526621-13939-11-git-send-email-pbonzini@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 10/14] i386: use inverted setcond when computing NS or NZ List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel@nongnu.org On 10/06/2012 05:30 AM, Paolo Bonzini wrote: > Make gen_compute_eflags_z and gen_compute_eflags_s able to compute the > inverted condition, and use this in gen_setcc_slow_T0. We cannot do it > yet in gen_compute_eflags_c, but prepare the code for it anyway. It is > not worthwhile for PF, as usual. > > shr+and+xor could be replaced by and+setcond. I'm not doing it yet. > > Signed-off-by: Paolo Bonzini Reviewed-by: Richard Henderson r~