From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: bugme-daemon@bugzilla.kernel.org, linux-kernel@vger.kernel.org,
mjw99@ic.ac.uk
Subject: Re: [Bugme-new] [Bug 7602] New: Failure on compilation: include/asm/bitops.h:122: error: inconsistent operand constraints in an `asm' in nfs_access_add_cache()
Date: Thu, 30 Nov 2006 23:22:00 +0100 [thread overview]
Message-ID: <200611302322.00167.ak@suse.de> (raw)
In-Reply-To: <20061130133748.11261443.akpm@osdl.org>
>
> static __inline__ int __test_and_set_bit(int nr, volatile void * addr)
> {
> int oldbit;
>
> __asm__(
> "btsl %2,%1\n\tsbbl %0,%0"
> :"=r" (oldbit),"+m" (ADDR)
> :"dIr" (nr));
> return oldbit;
> }
>
> explodes with gcc-3.4.4.
Known issue. The new form is correct and needed, but the old gcc doesn't accept
it. I haven't gotten a form that is both and correct and works on the old compiler
out of the gcc hackers I asked.
Probably need to #ifdef it.
-Andi
next prev parent reply other threads:[~2006-11-30 22:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200611302118.kAULIrxS011661@fire-2.osdl.org>
2006-11-30 21:37 ` Andrew Morton
2006-11-30 22:22 ` Andi Kleen [this message]
2006-11-30 22:32 ` Andrew Morton
2006-11-30 22:49 ` Andi Kleen
2006-11-30 23:08 ` Randy Dunlap
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