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Re: [PATCH 08/22] target/arm: Implement VFP fp16 for VABS, VNEG, VSQRT


From: Richard Henderson
Subject: Re: [PATCH 08/22] target/arm: Implement VFP fp16 for VABS, VNEG, VSQRT
Date: Tue, 25 Aug 2020 11:24:10 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

On 8/24/20 7:29 AM, Peter Maydell wrote:
> Implement VFP fp16 for VABS, VNEG and VSQRT. This is all
> the fp16 insns that use the DO_VFP_2OP macro, because there
> is no fp16 version of VMOV_reg.
> 
> Notes:
>  * the gen_helper_vfp_negh already exists as we needed to create
>    it for the fp16 multiply-add insns
>  * as usual we need to use the f16 version of the fp_status;
>    this is only relevant for VSQRT
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  target/arm/helper.h            |  2 ++
>  target/arm/vfp.decode          |  3 +++
>  target/arm/vfp_helper.c        | 10 +++++++++
>  target/arm/translate-vfp.c.inc | 40 ++++++++++++++++++++++++++++++++++
>  4 files changed, 55 insertions(+)

Same comments re the helper types.  Otherwise,
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~



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