From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:42608) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hJ5No-0001DK-54 for qemu-devel@nongnu.org; Tue, 23 Apr 2019 20:03:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hJ5Cc-0007SK-2S for qemu-devel@nongnu.org; Tue, 23 Apr 2019 19:51:54 -0400 Received: from mail-pg1-x529.google.com ([2607:f8b0:4864:20::529]:45430) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hJ5Cb-0007Rn-Rt for qemu-devel@nongnu.org; Tue, 23 Apr 2019 19:51:54 -0400 Received: by mail-pg1-x529.google.com with SMTP id y3so8381678pgk.12 for ; Tue, 23 Apr 2019 16:51:53 -0700 (PDT) References: <20190416125744.27770-1-peter.maydell@linaro.org> <20190416125744.27770-18-peter.maydell@linaro.org> From: Richard Henderson Message-ID: Date: Tue, 23 Apr 2019 16:51:49 -0700 MIME-Version: 1.0 In-Reply-To: <20190416125744.27770-18-peter.maydell@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 17/26] target/arm: Overlap VECSTRIDE and XSCALE_CPAR TB flags List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell , qemu-arm@nongnu.org, qemu-devel@nongnu.org On 4/16/19 5:57 AM, Peter Maydell wrote: > We are close to running out of TB flags for AArch32; we could > start using the cs_base word, but before we do that we can > economise on our usage by sharing the same bits for the VFP > VECSTRIDE field and the XScale XSCALE_CPAR field. This > works because no XScale CPU ever had VFP. > > Signed-off-by: Peter Maydell > --- > target/arm/cpu.h | 10 ++++++---- > target/arm/cpu.c | 7 +++++++ > target/arm/helper.c | 6 +++++- > target/arm/translate.c | 9 +++++++-- > 4 files changed, 25 insertions(+), 7 deletions(-) Reviewed-by: Richard Henderson r~