From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42608) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vui2a-0008Lz-OJ for qemu-devel@nongnu.org; Sun, 22 Dec 2013 07:21:58 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vui2V-0005Pg-5e for qemu-devel@nongnu.org; Sun, 22 Dec 2013 07:21:52 -0500 Received: from hall.aurel32.net ([2001:bc8:30d7:101::1]:50544) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vui2V-0005PZ-04 for qemu-devel@nongnu.org; Sun, 22 Dec 2013 07:21:47 -0500 Date: Sun, 22 Dec 2013 12:47:09 +0100 From: Aurelien Jarno Message-ID: <20131222114709.GA4326@ohm.rr44.fr> References: <1387644224-2404-1-git-send-email-aurelien@aurel32.net> <20131222112438.GC4216@ohm.rr44.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20131222112438.GC4216@ohm.rr44.fr> Subject: Re: [Qemu-devel] [PATCH 0/5] tcg/i386: use movbe instruction in qemu_ldst routines List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Richard Henderson And now I just realized you send such a patch before me. I am going to review yours then. On Sun, Dec 22, 2013 at 12:24:38PM +0100, Aurelien Jarno wrote: > I forgot to Cc: Richard on this patch set, doing that now... > > On Sat, Dec 21, 2013 at 05:43:39PM +0100, Aurelien Jarno wrote: > > This patchset enable the usage of the movbe instruction, available on > > Intel Atom and Intel Haswell CPU, in qemu_ldst routines, avoiding bswap > > instructions before or after the store or loads. The availability of > > this instruction is done at runtime using the cpuid instruction. > > > > The last patch of the series is not fully related, but I spotted the > > issue when working on this patchset, so I thought it's a good idea to > > fix it. > > > > Aurelien Jarno (5): > > disas/i386.c: disassemble movbe instruction > > tcg/i386: remove hardcoded P_REXW value > > tcg/i386: add support for three-byte opcodes > > tcg/i386: use movbe instruction in qemu_ldst routines > > tcg/i386: cleanup useless #ifdef > > > > disas/i386.c | 8 +-- > > tcg/i386/tcg-target.c | 178 ++++++++++++++++++++++++++++++++++--------------- > > 2 files changed, 128 insertions(+), 58 deletions(-) > > > > -- > > 1.7.10.4 > > > > > > -- > Aurelien Jarno GPG: 1024D/F1BCDB73 > aurelien@aurel32.net http://www.aurel32.net -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurelien@aurel32.net http://www.aurel32.net