linux-kernel - Re: [PATCH 0/6] LLVMLinux: Patches to enable the kernel to be compiled with clang/LLVM

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Message-ID: <53C74E67.9050401@converseincode.com>
Date:	Wed, 16 Jul 2014 21:17:43 -0700
From:	Behan Webster <behanw@...verseincode.com>
To:	Nicolas Pitre <nicolas.pitre@...aro.org>
CC:	anurag19aggarwal@...il.com, catalin.marinas@....com,
	charlebm@...il.com, dave.long@...aro.org, k.khlebnikov@...sung.com,
	linux@....linux.org.uk, linyongting@...il.com,
	Nikolay.Borisov@....com, tglx@...utronix.de,
	u.kleine-koenig@...gutronix.de, will.deacon@....com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	rabin@....in, rostedt@...dmis.org, dwmw2@...radead.org
Subject: Re: [PATCH 0/6] LLVMLinux: Patches to enable the kernel to be compiled
 with clang/LLVM

On 07/13/14 02:10, Nicolas Pitre wrote:
> On Tue, 8 Jul 2014, behanw@...verseincode.com wrote:
>
>> From: Behan Webster <behanw@...verseincode.com>
>>
>> The LLVMLinux project aims to fully build the Linux kernel using both gcc and
>> clang (the C front end for the LLVM compiler infrastructure project).
>>
>> Clang only supports global named registers for non-allocatable registers like
>> the stack pointer. By centralizing the definition of current_stack_pointer, the
>> use of named registers for ARM remains largely unchanged while working for both
>> gcc and clang.
> You verified that the compiled code is identical on gcc?
Yes. Identical.

>    If so:
>
> Acked-by: Nicolas Pitre <nico@...aro.org>
Thanks,

Behan

-- 
Behan Webster
behanw@...verseincode.com

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