From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55590) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZFz44-0006rg-34 for qemu-devel@nongnu.org; Fri, 17 Jul 2015 02:24:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZFz3z-0007Ud-7B for qemu-devel@nongnu.org; Fri, 17 Jul 2015 02:24:08 -0400 Received: from mail-wi0-x232.google.com ([2a00:1450:400c:c05::232]:33460) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZFz3y-0007UV-Oc for qemu-devel@nongnu.org; Fri, 17 Jul 2015 02:24:02 -0400 Received: by widic2 with SMTP id ic2so31374243wid.0 for ; Thu, 16 Jul 2015 23:24:02 -0700 (PDT) Sender: Richard Henderson References: <1436958199-5181-1-git-send-email-aurelien@aurel32.net> <1436958199-5181-5-git-send-email-aurelien@aurel32.net> From: Richard Henderson Message-ID: <55A89F7E.5060803@twiddle.net> Date: Fri, 17 Jul 2015 07:23:58 +0100 MIME-Version: 1.0 In-Reply-To: <1436958199-5181-5-git-send-email-aurelien@aurel32.net> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH RFC 4/9] tcg/optimize: add optimizations for ext_i32_i64 and extu_i32_i64 ops List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Aurelien Jarno , qemu-devel@nongnu.org Cc: Paolo Bonzini On 07/15/2015 12:03 PM, Aurelien Jarno wrote: > They behave the same as ext32s_i64 and ext32u_i64 from the constant > folding and zero propagation point of view, except that they can't > be replaced by a mov, so we don't compute the affected value. > > Cc: Paolo Bonzini > Cc: Richard Henderson > Signed-off-by: Aurelien Jarno > --- > tcg/optimize.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) Reviewed-by: Richard Henderson r~