[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] running out of Arm TB flags...
|
From: |
Richard Henderson |
|
Subject: |
Re: [Qemu-devel] running out of Arm TB flags... |
|
Date: |
Tue, 19 Mar 2019 07:47:58 -0700 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
On 3/19/19 4:20 AM, Peter Maydell wrote:
> Speaking of VECSTRIDE, in theory we should implement the v8A
> requirement that FPSCR.Len and .Stride are either RAZ/WI or
> cause the insns which use Len and Stride to UNDEF if they are
> set to non-zero. At the moment we just have the v7A behaviour
> of "honour Len and Stride settings"...
I was just thinking about those this morning.
I was thinking of pushing the implementation of these completely to helper
functions, so that we do not need to know the exact values during translate.
We'd only need a single bit to trigger the use of the helpers (or a v8 undef).
r~