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Message-ID: <497A11F5.9090005@gmail.com>
Date: Fri, 23 Jan 2009 20:52:37 +0200
From: Török Edwin <edwintorok@...il.com>
To: Ingo Molnar <mingo@...e.hu>
CC: Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>,
Linux Kernel <linux-kernel@...r.kernel.org>,
LLVM Developers Mailing List <llvmdev@...uiuc.edu>
Subject: Re: inline asm semantics: output constraint width smaller than input
On 2009-01-23 20:30, Ingo Molnar wrote:
> * Török Edwin <edwintorok@...il.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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