From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38533) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VK2k0-00048Z-PR for qemu-devel@nongnu.org; Thu, 12 Sep 2013 04:59:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VK2jw-0007Pi-10 for qemu-devel@nongnu.org; Thu, 12 Sep 2013 04:59:08 -0400 Received: from mail-lb0-f181.google.com ([209.85.217.181]:46648) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VK2jv-0007Pd-QW for qemu-devel@nongnu.org; Thu, 12 Sep 2013 04:59:03 -0400 Received: by mail-lb0-f181.google.com with SMTP id u14so592842lbd.26 for ; Thu, 12 Sep 2013 01:59:02 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <52317A6C.20400@huawei.com> References: <1378144503-15808-1-git-send-email-rth@twiddle.net> <1378144503-15808-2-git-send-email-rth@twiddle.net> <52317A6C.20400@huawei.com> From: Peter Maydell Date: Thu, 12 Sep 2013 09:58:41 +0100 Message-ID: Content-Type: text/plain; charset=UTF-8 Subject: Re: [Qemu-devel] [PATCH v3 01/29] tcg-aarch64: Set ext based on TCG_OPF_64BIT List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Claudio Fontana Cc: QEMU Developers , Richard Henderson On 12 September 2013 09:25, Claudio Fontana wrote: > On 02.09.2013 19:54, Richard Henderson wrote: >> >> - case INDEX_op_bswap64_i64: >> - ext = 1; /* fall through */ >> case INDEX_op_bswap32_i64: >> + /* Despite the _i64, this is a 32-bit bswap. */ >> + ext = 0; >> + /* FALLTHRU */ >> + case INDEX_op_bswap64_i64: > > we waste too much y space here, which gives context and is a scarse resource. > What about > > case INDEX_op_bswap32_i64: /* Despite the _i64, this is a 32-bit bswap. */ > ext = false; /* FALLTHRU */ Consensus in the rest of the code is for /* fall through */ rather than /* FALLTHRU */ -- there's only 28 of the latter compared to 169 of the former. -- PMM