linux-kernel - Re: [PATCH 1/5] RISC-V: Build tishift only on 64-bit

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Message-ID: <CA+ZOyaj2Ed3GCK0icaRNcttM7set=V1ffravCZefwmykD8=eMg@mail.gmail.com>
Date:   Tue, 25 Sep 2018 10:33:52 +0800
From:   Zong Li <zongbox@...il.com>
To:     hch@...radead.org
Cc:     Palmer Dabbelt <palmer@...ive.com>, aou@...s.berkeley.edu,
        Vincent Chen <vincentc@...estech.com>,
        Zong Li <zong@...estech.com>, linux-riscv@...ts.infradead.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/5] RISC-V: Build tishift only on 64-bit

Christoph Hellwig <hch@...radead.org> 於 2018年9月21日 週五 下午2:58寫道：
>
> 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@...estech.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