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Re: [Qemu-devel] FXSAVE doesn't #GP on alignment error

From: Michal Schulz
Subject: Re: [Qemu-devel] FXSAVE doesn't #GP on alignment error
Date: Wed, 13 Feb 2008 17:20:36 +0100
User-agent: KMail/1.9.6 (enterprise 20071221.751182)

On Wednesday 13 February 2008, Vegard Nossum wrote:

> I am not sure if this should be treated as an error or not (it
> definitely isn't critical), but I'll post it as an extra information
> if it is useful or you think it should be fixed.
> According to Intel manuals, the FXSAVE instruction requires the
> argument to be 16-byte aligned. On a real machine, violating this
> constraint results in a #GP. From experience, qemu will not enforce
> this alignment constraint.

+1 from me.

Michal Schulz

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