linux-kernel - Re: gas 2.16 and assembly macros -- entry

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Message-ID: <4CA9A69F.8000006@redhat.com>
Date:	Mon, 04 Oct 2010 12:04:15 +0200
From:	Avi Kivity <avi@...hat.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Jan Beulich <JBeulich@...ell.com>, Ingo Molnar <mingo@...e.hu>,
	heukelum@...tmail.fm, tglx@...utronix.de,
	akpm@...ux-foundation.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: gas 2.16 and assembly macros -- entry_64.S build failure

  On 10/01/2010 02:26 AM, H. Peter Anvin wrote:
> ... but that doesn't work with the macros like movq_cfi.  On those, we
> could argue that at least people won't put $ on them, but cpp will still
> split them apart with spaces; this apparently causes problems at least
> as soon as there is an expression more complicated than addition
> involved (apparently plus signs are okay, but minus signs aren't!)

Likely due to the fact that a minus sign can later join with a number 
and become a new token, but a plug sign cannot.

-- 
error compiling committee.c: too many arguments to function

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