linux-kernel - Re: [PATCH] x86: Build 16-bit code with -m16 where possible

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Message-ID: <20140131102312.GA1534@amd.pavel.ucw.cz>
Date:	Fri, 31 Jan 2014 11:23:12 +0100
From:	Pavel Machek <pavel@....cz>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org,
	llvmlinux@...ts.linuxfoundation.org
Subject: Re: [PATCH] x86: Build 16-bit code with -m16 where possible

On Wed 2014-01-29 12:11:25, David Woodhouse wrote:
> Both clang 3.5 and GCC 4.9 will support this (as of r207196 and r199754
> respectively). Both have been tested to produce booting kernels when the
> 16-bit code is built with -m16. (Modulo LLVM PR3997, at least.)

Will this break compilation with older GCC versions? Current minimum
gcc is 3.2.

								Pavel


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