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Date: Mon, 12 Aug 2002 09:45:48 +0200
From: Ralf Baechle <ralf@uni-koblenz.de>
To: Jamie Lokier <lk@tantalophile.demon.co.uk>
Cc: gcc@gcc.gnu.org, Linus Torvalds <torvalds@transmeta.com>,
       Andrew Morton <akpm@zip.com.au>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
       lkml <linux-kernel@vger.kernel.org>
Subject: Re: GCC still keeps empty loops?  (was: [patch 4/21] fix ARCH_HAS_PREFETCH)
Message-ID: <20020812094548.A22879@bacchus.dhis.org>
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On Sun, Aug 11, 2002 at 09:07:18PM +0100, Jamie Lokier wrote:

> Unbelievably, 3.1 doesn't remove empty loops either.
> I think there's a case for a compiler flag, `-fremove-empty-loops'.

Indeed ...  It's sad having to scatter ifdefs over the code just because
gcc lacks this optimization ...

  Ralf
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