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Re: [Qemu-devel] [PATCH v2 3/7] softfloat: enforce softfloat if the host


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH v2 3/7] softfloat: enforce softfloat if the host's FMA is broken
Date: Thu, 17 Jan 2019 09:13:27 +1100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

On 1/17/19 7:23 AM, Alex Bennée wrote:
> From: "Emilio G. Cota" <address@hidden>
> 
> The added branch to the FMA ops is marked as unlikely and therefore
> its impact on performance (measured with fp-bench) is within noise range
> when measured on an Intel(R) Xeon(R) Gold 6142 CPU @ 2.60GHz.
> 
> Reported-by: Laurent Desnogues <address@hidden>
> Signed-off-by: Emilio G. Cota <address@hidden>
> Signed-off-by: Alex Bennée <address@hidden>
> ---
>  fpu/softfloat.c | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)

Reviewed-by: Richard Henderson <address@hidden>


r~



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