From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:56237) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TK8lF-0001Sh-DU for qemu-devel@nongnu.org; Fri, 05 Oct 2012 10:20:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TK8l3-0005fE-1r for qemu-devel@nongnu.org; Fri, 05 Oct 2012 10:20:17 -0400 Received: from mail-pa0-f45.google.com ([209.85.220.45]:51635) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TK8l2-0005d1-J8 for qemu-devel@nongnu.org; Fri, 05 Oct 2012 10:20:04 -0400 Received: by mail-pa0-f45.google.com with SMTP id fb10so1816317pad.4 for ; Fri, 05 Oct 2012 07:20:03 -0700 (PDT) Sender: Richard Henderson Message-ID: <506EEC91.1020606@twiddle.net> Date: Fri, 05 Oct 2012 07:20:01 -0700 From: Richard Henderson MIME-Version: 1.0 References: <1348034655-2946-1-git-send-email-rth@twiddle.net> In-Reply-To: <1348034655-2946-1-git-send-email-rth@twiddle.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2] target-mips: Use TCG registers for the FPU. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aurelien@aurel32.net Ping. You gave it your Reviewed-by. r~ On 09/18/2012 11:04 PM, Richard Henderson wrote: > With normal FP, this doesn't have much affect on the generated code, > because most of the FP operations are not CONST/PURE, and so we spill > registers in about the same frequency as the explicit load/stores. > > But with Loongson multimedia instructions, which are all integral and > whose helpers are in fact CONST+PURE, this greatly improves the code. > > Signed-off-by: Richard Henderson > --- > > As requested, only generating 64-bit fp registers now. The generated > code looks quite good on i386. It could be a tad better for x86_64, > but it's still better than it was. > > > r~ > > > target-mips/translate.c | 96 +++++++++++++++++++++++++++---------------------- > 1 file changed, 54 insertions(+), 42 deletions(-)