From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH v2 7/8] KVM: x86 emulator: SSE support Date: Tue, 28 Jun 2011 11:11:51 +0300 Message-ID: <4E098CC7.7080307@redhat.com> References: <1301403243-23524-1-git-send-email-avi@redhat.com> <1301403243-23524-8-git-send-email-avi@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , kvm@vger.kernel.org, Wei Xu To: Cyclonus J Return-path: Received: from mx1.redhat.com ([209.132.183.28]:6463 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755691Ab1F1IL5 (ORCPT ); Tue, 28 Jun 2011 04:11:57 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 06/28/2011 09:49 AM, Cyclonus J wrote: > On Tue, Mar 29, 2011 at 5:54 AM, Avi Kivity wrote: > > Add support for marking an instruction as SSE, switching registers used > > to the SSE register file. > > Avi, > > So this change will only support XMM register as its destination not > memory, right? I am seeing the mmio size in qemu is still 8 bytes. > Memory is supported as well. > Do we need to support memory destination and update qemu as well? > kvm breaks up 16 byte writes into two 8-byte writes, so that the interface between kvm and userspace is not affected. -- error compiling committee.c: too many arguments to function