From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34516) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e6pJm-00025M-Pv for qemu-devel@nongnu.org; Mon, 23 Oct 2017 22:51:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e6pJj-00017s-OI for qemu-devel@nongnu.org; Mon, 23 Oct 2017 22:51:50 -0400 Received: from mail-qk0-x241.google.com ([2607:f8b0:400d:c09::241]:53373) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1e6pJj-00017i-Jf for qemu-devel@nongnu.org; Mon, 23 Oct 2017 22:51:47 -0400 Received: by mail-qk0-x241.google.com with SMTP id y23so24543305qkb.10 for ; Mon, 23 Oct 2017 19:51:47 -0700 (PDT) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= References: <20171020232023.15010-1-richard.henderson@linaro.org> <20171020232023.15010-11-richard.henderson@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: <58956f2c-81b8-7a05-5fcc-dbfaab4de6b6@amsat.org> Date: Mon, 23 Oct 2017 23:51:44 -0300 MIME-Version: 1.0 In-Reply-To: <20171020232023.15010-11-richard.henderson@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH v7 10/52] tcg: Avoid loops against variable bounds List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson , qemu-devel@nongnu.org Cc: cota@braap.org, pbonzini@redhat.com, Richard Henderson On 10/20/2017 08:19 PM, Richard Henderson wrote: > From: Richard Henderson > > Copy s->nb_globals or s->nb_temps to a local variable for the purposes > of iteration. This should allow the compiler to use low-overhead > looping constructs on some hosts. > > Reviewed-by: Emilio G. Cota > Reviewed-by: Alex Bennée > Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé > --- > tcg/tcg.c | 27 ++++++++++----------------- > 1 file changed, 10 insertions(+), 17 deletions(-)