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Re: [Qemu-devel] [PATCH 17/26] target/arm: Overlap VECSTRIDE and XSCALE_


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 17/26] target/arm: Overlap VECSTRIDE and XSCALE_CPAR TB flags
Date: Tue, 23 Apr 2019 16:51:49 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

On 4/16/19 5:57 AM, Peter Maydell wrote:
> We are close to running out of TB flags for AArch32; we could
> start using the cs_base word, but before we do that we can
> economise on our usage by sharing the same bits for the VFP
> VECSTRIDE field and the XScale XSCALE_CPAR field. This
> works because no XScale CPU ever had VFP.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target/arm/cpu.h       | 10 ++++++----
>  target/arm/cpu.c       |  7 +++++++
>  target/arm/helper.c    |  6 +++++-
>  target/arm/translate.c |  9 +++++++--
>  4 files changed, 25 insertions(+), 7 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


r~




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