From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:48265) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UcH0o-0003d0-AX for qemu-devel@nongnu.org; Tue, 14 May 2013 11:19:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UcH0g-00013n-CY for qemu-devel@nongnu.org; Tue, 14 May 2013 11:19:34 -0400 Received: from mail-yh0-x22b.google.com ([2607:f8b0:4002:c01::22b]:35120) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UcH0g-00012n-0d for qemu-devel@nongnu.org; Tue, 14 May 2013 11:19:26 -0400 Received: by mail-yh0-f43.google.com with SMTP id a41so119035yho.30 for ; Tue, 14 May 2013 08:19:25 -0700 (PDT) Sender: Richard Henderson Message-ID: <519255F9.2050604@twiddle.net> Date: Tue, 14 May 2013 08:19:21 -0700 From: Richard Henderson MIME-Version: 1.0 References: <5141F36E.10004@huawei.com> <5187A863.7080903@huawei.com> <5187AFC0.3090201@redhat.com> <5190E923.1030200@huawei.com> <5190EBC5.9080901@huawei.com> <519227B0.8000407@huawei.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: Paolo Bonzini , Claudio Fontana , qemu-devel@nongnu.org On 05/14/2013 05:25 AM, Peter Maydell wrote: >> Yes, I agree. I could not find an image which triggered that >> > code path for register rotation amounts. > Try PPC : rlwmn will generate a rotl (as will other insns). > rlwmn will only generate constant rotations; at issue are variable rotations. Those ought be be generatable with current sources and x86 32-bit or 64-bit rotate insns though. That cleanup was done during this release cycle, so if Claudio's testing was on a previous release... r~