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Re: [Qemu-devel] [PATCH 05/42] target/arm: Explicitly enable VFP short-v


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 05/42] target/arm: Explicitly enable VFP short-vectors for aarch32 -cpu max
Date: Fri, 7 Jun 2019 09:51:29 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

On 6/6/19 12:45 PM, Peter Maydell wrote:
> At the moment our -cpu max for AArch32 supports VFP short-vectors
> because we always implement them, even for CPUs which should
> not have them. The following commits are going to switch to
> using the correct ID-register-check to enable or disable short
> vector support, so we need to turn it on explicitly for -cpu max,
> because Cortex-A15 doesn't implement it.
> 
> We don't enable this for the AArch64 -cpu max, because the v8A
> architecture never supports short-vectors.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target/arm/cpu.c | 4 ++++
>  1 file changed, 4 insertions(+)

Reviewed-by: Richard Henderson <address@hidden>


r~




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