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Subject: Re: [PATCH] force -mno-string option on cell
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Segher Boessenkool <segher@kernel.crashing.org>
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Date: Sat, 24 Mar 2007 06:46:48 +1100
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Cc: Arnd Bergmann <arnd@arndb.de>, Akinobu Mita <mita@fixstars.com>,
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On Fri, 2007-03-23 at 17:35 +0100, Segher Boessenkool wrote:
> > Nack.  If GCC is now putting string instructions even if you don't 
> > specify -mstring than we also need this for CONFIG_FSL_BOOKE.  Please 
> > fix that up as well.
> 
> In the absence of -mstring and -mno-string options,
> GCC will default to either on or off based on other
> options (CPU model, mostly).  This is good behaviour
> since it intends to give you the best code sequences
> for whatever CPU you selected (or for a blended CPU
> model etc).

strings instructions suck, get away with it.

Ben.