linux-kernel - Re: [PATCH 1/2] MIPS: Add MAC2008 Support

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Date:   Thu, 23 Jan 2020 11:44:23 -0800
From:   Paul Burton <paulburton@...nel.org>
To:     Jiaxun Yang <jiaxun.yang@...goat.com>
CC:     linux-mips@...r.kernel.org
Subject: Re: [PATCH 1/2] MIPS: Add MAC2008 Support

Hello,

Jiaxun Yang wrote:
> MAC2008 means the processor implemented IEEE754 style Fused MADD
> instruction. It was introduced in Release3 but removed in Release5.
> 
> The toolchain support of MAC2008 have never landed except for Loongson
> processors.
> 
> This patch aimed to disabled the MAC2008 if it's optional. For
> MAC2008 only processors, we corrected math-emu behavior to align
> with actual hardware behavior.

Series applied to mips-next.

> MIPS: Add MAC2008 Support
>   commit ece276de2a1f
>   https://git.kernel.org/mips/c/ece276de2a1f
>   
>   Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
>   [paulburton@...nel.org: Fixup MIPSr2-r5 check in cpu_set_fpu_2008.]
>   Signed-off-by: Paul Burton <paulburton@...nel.org>
> 
> MIPS: Loongson64: Select mac2008 only feature
>   commit c9444384f0d5
>   https://git.kernel.org/mips/c/c9444384f0d5
>   
>   Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
>   Signed-off-by: Paul Burton <paulburton@...nel.org>

Thanks,
    Paul

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