From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35691) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bw5YT-0000vK-HQ for qemu-devel@nongnu.org; Mon, 17 Oct 2016 06:54:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bw5YP-0005or-Mv for qemu-devel@nongnu.org; Mon, 17 Oct 2016 06:54:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59342) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1bw5YP-0005oi-Ha for qemu-devel@nongnu.org; Mon, 17 Oct 2016 06:54:01 -0400 References: <1f404cfc-4917-9fc0-b628-5af22e3bf64c@msgid.tls.msk.ru> <44ae9753-110b-4419-5734-66c3b1d0f9a4@redhat.com> <3e228280-1bda-e2f8-3d8e-df4c116220c8@msgid.tls.msk.ru> <890e84cb-7cdf-38ce-46dd-dddd6c3585dc@msgid.tls.msk.ru> From: Thomas Huth Message-ID: Date: Mon, 17 Oct 2016 12:53:57 +0200 MIME-Version: 1.0 In-Reply-To: <890e84cb-7cdf-38ce-46dd-dddd6c3585dc@msgid.tls.msk.ru> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] Provide safe_syscall for s390x List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Michael Tokarev , qemu-devel@nongnu.org, Richard Henderson On 17.10.2016 12:49, Michael Tokarev wrote: > 17.10.2016 13:39, Michael Tokarev wrote: > >> (cc is gcc 6.2.0) >> >> I've no idea which -march is the default and what choices are available. > > $ gcc -march=? > gcc: error: unrecognized argument in option '-march=?' > gcc: note: valid arguments to '-march=' are: g5 g6 native z10 z13 z196 > z9-109 z9-ec z900 z990 zEC12 > > I guess g5 is the default? I hope it is not the default - at least not for -m64. Could you please run the following and post the results: gcc -Q --help=target Thanks, Thomas