From owner-freebsd-hackers@FreeBSD.ORG  Wed Dec 15 18:38:59 2004
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Date: Thu, 16 Dec 2004 05:38:56 +1100
From: Peter Jeremy <PeterJeremy@optushome.com.au>
To: Andre Oppermann <andre@freebsd.org>
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cc: freebsd-hackers <freebsd-hackers@freebsd.org>
Subject: Re: embedded assembler in .c files
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On Wed, 2004-Dec-15 15:09:23 +0100, Andre Oppermann wrote:
>I'm trying to access an assembler CPU instructions from within a normal
>.c file and function.  Unfortunatly I have no idea how this works.

info gcc "c ext" ext

You might also find the relevant /usr/src/contrib/gcc/config/*/*.md useful.

-- 
Peter Jeremy