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Message-ID: <497A11F5.9090005@gmail.com>
Date: Fri, 23 Jan 2009 20:52:37 +0200
From: =?ISO-8859-1?Q?T=F6r=F6k_Edwin?= <edwintorok@gmail.com>
User-Agent: Mozilla-Thunderbird 2.0.0.19 (X11/20090103)
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To: Ingo Molnar <mingo@elte.hu>
CC: Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
       Linux Kernel <linux-kernel@vger.kernel.org>,
       LLVM Developers Mailing List <llvmdev@cs.uiuc.edu>
Subject: Re: inline asm semantics: output constraint width smaller than input
References: <497A0500.3080706@gmail.com> <20090123181721.GA32545@elte.hu> <497A0C0A.7080207@gmail.com> <20090123183019.GA5984@elte.hu>
In-Reply-To: <20090123183019.GA5984@elte.hu>
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On 2009-01-23 20:30, Ingo Molnar wrote:
> * T?r?k Edwin <edwintorok@gmail.com> wrote:
>
>   
>> Having said that, llvm-gcc is not yet able to compile the full Linux 
>> kernel on its own [for example the boot code, due to asm(".code16gcc")], 
>> but with LLVM 2.4 it was possible to build "arch=UM", and "arch=X86" (by 
>> using gcc to build the bootcode). I'd like LLVM 2.5 to be able to build 
>> the kernel, so I'll file bugs for llvm/kernel depending on where the 
>> problem is.
>>     
>
> Could we get LLVM folks on the Cc: and see how difficult it would be to 
> fix this on the LLVM side? Asm constraints are used all around the place 
> and different input/output types are very common.

I've added LLVMDev to Cc.
Your first post to the list may take a little longer to reach it (first
post is moderated by listmaster, no subscription required).

[For those who missed the initial conversation, see:
http://llvm.org/bugs/show_bug.cgi?id=3373#c9]

Best regards,
--Edwin
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