From: Paul Burton <paulburton@kernel.org>
To: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: linux-mips@vger.kernel.org
Cc: chenhc@lemote.com, paul.burton@mips.com,
linux-kernel@vger.kernel.org,
Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: linux-mips@vger.kernel.org
Subject: Re: [PATCH 1/2] MIPS: Add MAC2008 Support
Date: Thu, 23 Jan 2020 11:44:23 -0800 [thread overview]
Message-ID: <5e29f797.1c69fb81.d69bc.8e3a@mx.google.com> (raw)
In-Reply-To: <20200113101612.38335-1-jiaxun.yang@flygoat.com>
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@flygoat.com>
> [paulburton@kernel.org: Fixup MIPSr2-r5 check in cpu_set_fpu_2008.]
> Signed-off-by: Paul Burton <paulburton@kernel.org>
>
> MIPS: Loongson64: Select mac2008 only feature
> commit c9444384f0d5
> https://git.kernel.org/mips/c/c9444384f0d5
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> Signed-off-by: Paul Burton <paulburton@kernel.org>
Thanks,
Paul
[ This message was auto-generated; if you believe anything is incorrect
then please email paulburton@kernel.org to report it. ]
prev parent reply other threads:[~2020-01-23 19:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-13 10:16 [PATCH 1/2] MIPS: Add MAC2008 Support Jiaxun Yang
2020-01-13 10:16 ` [PATCH 2/2] MIPS: Loongson64: Select mac2008 only feature Jiaxun Yang
2020-01-23 19:44 ` Paul Burton [this message]
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