From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [RFC][PATCH 3/3] math128, x86_64: Implement {mult,add}_u128 in 64bit asm Date: Tue, 24 Apr 2012 09:34:12 -0700 Message-ID: <4F96D604.5050709@zytor.com> References: <20120424161039.293018424@chello.nl> <20120424162224.588822231@chello.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from terminus.zytor.com ([198.137.202.10]:35547 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755323Ab2DXQei (ORCPT ); Tue, 24 Apr 2012 12:34:38 -0400 In-Reply-To: <20120424162224.588822231@chello.nl> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Linus Torvalds , Andrew Morton , Juri Lelli , Ingo Molnar , Thomas Gleixner On 04/24/2012 09:10 AM, Peter Zijlstra wrote: Are you sure that gcc won't simply generate this code already if given "unsigned __int128"? -hpa