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Date: Wed, 20 Feb 2013 09:06:47 -0500 (EST)
From: Nicolas Pitre <nico@fluxnic.net>
To: "Woodhouse, David" <david.woodhouse@intel.com>
Cc: Kim Phillips <kim.phillips@freescale.com>,
        Russell King - ARM Linux <linux@arm.linux.org.uk>,
        Borislav Petkov <bp@alien8.de>,
        Andrew Morton <akpm@linux-foundation.org>,
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	<linux-arm-kernel@lists.infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Rob Herring <robherring2@gmail.com>
Subject: Re: [RFC] arm: use built-in byte swap function
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References: <20130129181046.GC25415@pd.tnic>
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 <20130201011712.GF23505@n2100.arm.linux.org.uk>
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 <20130206191905.ac8eb6743e69425f30888704@freescale.com>
 <20130207181315.GM17833@n2100.arm.linux.org.uk>
 <1360344301.6066.263.camel@shinybook.infradead.org>
 <alpine.LFD.2.02.1302081503430.6300@xanadu.home>
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 <alpine.LFD.2.02.1302081745500.6300@xanadu.home>
 <20130208191208.2ef3d78bda71aa7b44d00d7b@freescale.com>
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On Wed, 20 Feb 2013, Woodhouse, David wrote:

> On Wed, 2013-02-20 at 08:36 -0500, Nicolas Pitre wrote:
> > You'll have the same issue wrt the above whether or not the source
> > file is C or assembly.
> 
> Hm, true. I was thinking of the code itself (which is
> position-independent anyway), rather than the flags in the object file.
> 
> So just ship a .S file and for the decompressor (if we need it at all)
> rebuild it just the same as we do the *other* libgcc code like ashldi3.S
> etc.

... in which case there is no harm shipping a .c file and trivially 
enforcing -O2, the rest being equal.


Nicolas