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From:   Zong Li <zongbox@gmail.com>
Date:   Tue, 25 Sep 2018 10:33:52 +0800
Message-ID: <CA+ZOyaj2Ed3GCK0icaRNcttM7set=V1ffravCZefwmykD8=eMg@mail.gmail.com>
Subject: Re: [PATCH 1/5] RISC-V: Build tishift only on 64-bit
To:     hch@infradead.org
Cc:     Palmer Dabbelt <palmer@sifive.com>, aou@eecs.berkeley.edu,
        Vincent Chen <vincentc@andestech.com>,
        Zong Li <zong@andestech.com>, linux-riscv@lists.infradead.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Christoph Hellwig <hch@infradead.org> =E6=96=BC 2018=E5=B9=B49=E6=9C=8821=
=E6=97=A5 =E9=80=B1=E4=BA=94 =E4=B8=8B=E5=8D=882:58=E5=AF=AB=E9=81=93=EF=BC=
=9A
>
> On Tue, Sep 18, 2018 at 05:19:13PM +0800, Zong Li wrote:
> > Only RV64 supports 128 integer size.
> >
> > Signed-off-by: Zong Li <zong@andestech.com>
>
> This looks fine.  Just curious, what do we even need 128-bit integers
> for on riscv64?  Did you see any issues if you drop it entirely?

You can refer to this issue, but I didn't try it.
https://github.com/riscv/riscv-linux/issues/136