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List:       linux-kernel
Subject:    Re: [PATCH] MIPS: use generic GCC library routines from lib/
From:       James Hogan <james.hogan () mips ! com>
Date:       2018-01-18 20:24:17
Message-ID: 20180118202416.GD27409 () jhogan-linux ! mipstec ! com
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On Thu, Jan 18, 2018 at 07:54:49PM +0000, James Hogan wrote:
> On 18 January 2018 20:05:05 GMT+00:00, Antony Pavlov <antonynpavlov@gmail.com> \
> wrote:
> > On Wed, 17 Jan 2018 17:34:59 -0800 (PST)
> > Palmer Dabbelt <palmer@sifive.com> wrote:
> > > Given that, I think you can also drop arch/mips/lib/libgcc.h -- if
> > it's used 
> > > from anywhere else, it should be possible to use
> > include/linux/libgcc.h 
> > > instead.
> > 
> > I agree with you.
> 
> actually theres a patch in mips-next which implements __multi3 for mips64r6, which \
> uses that file, and in fact extends it for 128bit types.

More specifically, commit ebabcf17bcd7 ("MIPS: Implement __multi3 for
GCC7 MIPS64r6 builds"), which will find its way into v4.15. See also
https://patchwork.linux-mips.org/patch/17890/

Cheers
James


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