From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59867) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciAO0-0004Ro-DI for qemu-devel@nongnu.org; Sun, 26 Feb 2017 20:46:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciANx-0004wt-A7 for qemu-devel@nongnu.org; Sun, 26 Feb 2017 20:46:00 -0500 Date: Mon, 27 Feb 2017 12:39:49 +1100 From: David Gibson Message-ID: <20170227013949.GO17615@umbus.fritz.box> References: <1487763883-4877-1-git-send-email-nikunj@linux.vnet.ibm.com> <1487763883-4877-4-git-send-email-nikunj@linux.vnet.ibm.com> <913ec2bb-2fd4-3488-e142-75d3574dfaf1@twiddle.net> <87a89dtnox.fsf@abhimanyu.i-did-not-set--mail-host-address--so-tickle-me> <98b51c07-f7b2-ddb3-7b59-336d109d005b@twiddle.net> <20170223225358.GD17615@umbus.fritz.box> <20170224045026.GV17615@umbus.fritz.box> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="dLxyWiplEfGRIOx4" Content-Disposition: inline In-Reply-To: Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: Nikunj Dadhania , qemu-ppc@nongnu.org, qemu-devel@nongnu.org, Bharata B Rao --dLxyWiplEfGRIOx4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 24, 2017 at 05:30:23PM +1100, Richard Henderson wrote: > On 02/24/2017 03:50 PM, David Gibson wrote: > > Although I guess they'd shrink right down again if we put an > > env->xer_mask in. Thoughts on that option Richard? >=20 > Why would xer_mask shrink the code? I can't see that we'd be able to > eliminate any code using the mask. Uh.. I think I was thinking about the qemu code, not the generated code. It means we could unconditionally and with the xer_mask in some places, rather than having fiddly conditionals. --=20 David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson --dLxyWiplEfGRIOx4 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJYs4NiAAoJEGw4ysog2bOSLocQAI/5cQaC9I+23N+h5V6JI3ed aL57tw/0BBxwYjgGGe9E6m5wLfwxIpez2MheKnLMoI98vx1VWI7/N8rvKUlw3ARc KHNHfHwhG89kRCBLGrYNvEHbFq23688NpHdBQZggfsKNGenrBMieDoh0dWCub+rM pjTg1VsX1hVjcV3PuWhbvzCTY5nq2SseFjKv1f4LEzXmQZO6sSZy0CBuC3gjZTJ6 LIpt+HlkWEy9kFapBl4Q5FwJe02oByCpkXiVJCz3fpGqObx6wb6iThzAzORKNuty wiw6C+/KFOORVhCS96pFKe1jvZPr8weN24z1ADk+zThXrE64Nh4mCq4IffKVYiC2 0CDgPRQVlwZsXGCcSUmau1Sy3r6d7PD9DwCbhHly345MxyOHfpdNz1Le8Oq91UjI gzUxhZwoxmyddvyxgwHKgEbp5pRWvzMefTn6aBGwN4YH2fXVtXjvb2fcVzf1Bop1 KVPuChzbBUhDjYrulIfwFmDxKwI0ZWRZHUnikO7r8XL5bFGgkEATKLH1ZLe80KUB wrMTfsUaUwbYvjbLdbO8VSr+OTqfiAnoX7bpCP2abJpWPJ1dxKw+QUVHUDRkt8cJ n2H3W4qyyDUmFcn+ZrNubQfMv1dO/I0BddEm7eXyGdFZYethe9EicRmm7fJ0AXAp LIe0yZzaFq3neyPlOIM1 =YqVo -----END PGP SIGNATURE----- --dLxyWiplEfGRIOx4--