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Re: Latest sources from CVS.

To: linux-mips@linux-mips.org
Subject: Re: Latest sources from CVS.
From: Greg Lindahl <lindahl@keyresearch.com>
Date: Fri, 6 Dec 2002 09:34:41 -0800
In-reply-to: <20021206180241.A7492@linux-mips.org>; from ralf@linux-mips.org on Fri, Dec 06, 2002 at 06:02:41PM +0100
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References: <20021206135110.GD23743@rembrandt.csv.ica.uni-stuttgart.de> <Pine.GSO.3.96.1021206165118.26674N-100000@delta.ds2.pg.gda.pl> <20021206164558.GH23743@rembrandt.csv.ica.uni-stuttgart.de> <20021206180241.A7492@linux-mips.org>
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On Fri, Dec 06, 2002 at 06:02:41PM +0100, Ralf Baechle wrote:

> The first kernel was built as 64-bit ELF using 64-bit pointer and everything
> 64-bit.  The second kernel was built using the -Wa,-32 trick.  That's over
> 12% of bloat for full 64-bitiness which brings zero gain.

Yes, but that 12% overhead will be reduced when gcc stops using those
crappy macros for everything, and finds some common subexpressions.

-- greg



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