linux-kernel - Re: mips: math-emu: Fix compilation error ieee754.c

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Message-ID: <alpine.DEB.2.02.1406111427170.27885@chino.kir.corp.google.com>
Date:	Wed, 11 Jun 2014 14:32:45 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Ralf Baechle <ralf@...ux-mips.org>
cc:	Eunbong Song <eunb.song@...sung.com>, linux-kernel@...r.kernel.org,
	linux-mips@...ux-mips.org
Subject: Re: mips: math-emu: Fix compilation error ieee754.c

On Wed, 11 Jun 2014, Ralf Baechle wrote:

> On Wed, Jun 11, 2014 at 09:24:51AM +0000, Eunbong Song wrote:
> 
> > ieee754dp has bitfield member in struct without name. And this
> > cause compilation error. This patch removes struct in ieee754dp
> > declaration. So compilation error is fixed.
> > Signed-off-by: Eunbong Song <eunb.song@...sung.com>
> 
> What gcc version are you using?
> 

make arch/mips/math-emu/ieee754.o for mips defconfig triggers the 
following on linux-next 30 times:

arch/mips/math-emu/ieee754.c:45:2: error: unknown field 'sign' specified in initializer
arch/mips/math-emu/ieee754.c:45:2: warning: missing braces around initializer
arch/mips/math-emu/ieee754.c:45:2: warning: (near initialization for '__ieee754dp_spcvals[0].<anonymous>')
arch/mips/math-emu/ieee754.c:45:2: error: unknown field 'bexp' specified in initializer
arch/mips/math-emu/ieee754.c:45:2: warning: excess elements in union initializer
arch/mips/math-emu/ieee754.c:45:2: warning: (near initialization for '__ieee754dp_spcvals[0]')
arch/mips/math-emu/ieee754.c:45:2: error: unknown field 'mant' specified in initializer
arch/mips/math-emu/ieee754.c:45:2: warning: excess elements in union initializer
arch/mips/math-emu/ieee754.c:45:2: warning: (near initialization for '__ieee754dp_spcvals[0]')

I'm using gcc 4.5.1 for mips.  The patch makes all members part of the 
union so it's probably not what you want to fix it, though.
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