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Date:   Thu, 10 Apr 2014 15:21:08 +0200
From:   Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To:     Fengguang Wu <fengguang.wu@intel.com>
Cc:     Florian Lohoff <f@zz.de>, Michal Marek <mmarek@suse.cz>,
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        "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
Subject: Re: arch/mips/sgi-ip22/Platform:29: *** gcc doesn't support needed
 option -mr10k-cache-barrier=store.  Stop.
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On Thu, Apr 10, 2014 at 07:13:45AM +0800, Fengguang Wu wrote:
> > Iirc it went into 4.4.0.
> 
> That's interesting. I'm using the cross compiler
> 
>         gcc-4.6.3-nolibc/mips-linux

well the feature went into the gcc codebase 2008 according to ChangeLog-2008.

The mips64 cross compiler from FC19 (4.7.2) supports r10k-cache-barriers
out of the box.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]