X-pop3-spooler:	POP3MAIL 2.1.0 b 4 980420 -bs-
Message-Id:	<m0zH02Z-0000FVC@chkw386.ch.pwr.wroc.pl>
Date:	Thu, 10 Sep 98 06:17
From:	strasbur AT chkw386 DOT ch DOT pwr DOT wroc DOT pl (Krzysztof Strasburger)
To:	beastium-list AT Desk DOT nl, ssnyder AT indy DOT net
Subject:	Re: Is -fstrength-reduce unstable?
Sender:	Marc Lehmann <pcg AT goof DOT com>
Status:	RO
X-Status:	A
Lines:	11

>I see a lot of software packages whose compilation uses the
>-fno-strength-reduce switch.  (I'm reminded of this because I'm building
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this disables the strength reduction.
>glibc right now and it uses that switch as well.)  

>Is strength reduction known to be buggy?  And if so, why is it enabled by
>default?
It is _disabled_ in Makefiles, because it was buggy in gcc 2.7.2 and 2.7.2.1.
I have seen reports saying, that it still exists in 2.7.2.2/3. It is gone
in egcs/pgcc and in gcc 2.8.
Krzysztof

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