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From: Anton Blanchard <anton@samba.org>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: ulrich.weigand@de.ibm.com, paulus@samba.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc: Replace cc constraint in inline assembly with cr0
Date: Mon, 3 Nov 2014 07:17:19 +1100	[thread overview]
Message-ID: <20141103071719.6f50de76@kryten> (raw)
In-Reply-To: <20141101133317.GA1608@gate.crashing.org>

Hi Segher,

> > Our inline assembly only clobbers the first condition register
> > field, but we mark all of them as being clobbered.
> 
> No, we don't.  "cc" has been an alias for cr0 for over twenty two and
> a half years now; it has never changed meaning.  This is an LLVM bug.

Thanks! I opened http://llvm.org/bugs/show_bug.cgi?id=21451 to track it.

Anton

      reply	other threads:[~2014-11-02 20:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-01  0:42 [PATCH] powerpc: Replace cc constraint in inline assembly with cr0 Anton Blanchard
2014-11-01 13:33 ` Segher Boessenkool
2014-11-02 20:17   ` Anton Blanchard [this message]

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