From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:34711) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UI6ej-00076F-UT for qemu-devel@nongnu.org; Tue, 19 Mar 2013 20:13:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UI6ed-000822-3T for qemu-devel@nongnu.org; Tue, 19 Mar 2013 20:13:25 -0400 Received: from mail-pd0-f172.google.com ([209.85.192.172]:38076) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UI6ec-00081c-NG for qemu-devel@nongnu.org; Tue, 19 Mar 2013 20:13:18 -0400 Received: by mail-pd0-f172.google.com with SMTP id w10so367029pde.17 for ; Tue, 19 Mar 2013 17:13:18 -0700 (PDT) Sender: Richard Henderson Message-ID: <5148FF19.2070105@twiddle.net> Date: Tue, 19 Mar 2013 17:13:13 -0700 From: Richard Henderson MIME-Version: 1.0 References: <1361300601-12649-1-git-send-email-rth@twiddle.net> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] tcg-optimize: Fold sub r,0,x to neg r,x List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Blue Swirl Cc: qemu-devel@nongnu.org, aurelien@aurel32.net On 2013-02-23 08:43, Blue Swirl wrote: >> Signed-off-by: Richard Henderson >> >--- >> > tcg/optimize.c | 33 ++++++++++++++++++++++++++++++++- >> > 1 file changed, 32 insertions(+), 1 deletion(-) >> > >> >I noticed this while looking at other dumps. This seems like it >> >should be considered independently of the other patch series. > This breaks Sparc32 boot, only a few first instructions are executed. > I can't replicate any failure with the sparc-test image. Can you expand on a method to replicate this? r~