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From: Avi Kivity <avi@redhat.com>
To: Cyclonus J <cyclonusj@gmail.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	kvm@vger.kernel.org, Wei Xu <wexu2@cisco.com>
Subject: Re: [PATCH v2 7/8] KVM: x86 emulator: SSE support
Date: Tue, 28 Jun 2011 11:11:51 +0300	[thread overview]
Message-ID: <4E098CC7.7080307@redhat.com> (raw)
In-Reply-To: <BANLkTinyctXm_gPTZtu47czdUa_fbAicTA@mail.gmail.com>

On 06/28/2011 09:49 AM, Cyclonus J wrote:
> On Tue, Mar 29, 2011 at 5:54 AM, Avi Kivity<avi@redhat.com>  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


  reply	other threads:[~2011-06-28  8:11 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-29 12:53 [PATCH v2 0/8] SSE MMIO Avi Kivity
2011-03-29 12:53 ` [PATCH v2 1/8] KVM: extend in-kernel mmio to handle >8 byte transactions Avi Kivity
2011-03-29 14:51   ` Wei Xu
2011-03-29 14:55     ` Avi Kivity
2011-03-29 12:53 ` [PATCH v2 2/8] KVM: Split mmio completion into a function Avi Kivity
2011-03-29 12:53 ` [PATCH v2 3/8] KVM: 16-byte mmio support Avi Kivity
2011-03-29 12:53 ` [PATCH v2 4/8] KVM: x86 emulator: do not munge rep prefix Avi Kivity
2011-03-29 12:54 ` [PATCH v2 5/8] KVM: x86 emulator: define callbacks for using the guest fpu within the emulator Avi Kivity
2011-03-29 12:54 ` [PATCH v2 6/8] KVM: x86 emulator: Specialize decoding for insns with 66/f2/f3 prefixes Avi Kivity
2011-03-29 12:54 ` [PATCH v2 7/8] KVM: x86 emulator: SSE support Avi Kivity
2011-06-28  6:49   ` Cyclonus J
2011-06-28  8:11     ` Avi Kivity [this message]
2011-03-29 12:54 ` [PATCH v2 8/8] KVM: x86 emulator: implement movdqu instruction (f3 0f 6f, f3 0f 7f) Avi Kivity

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