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Date:      Wed, 11 Oct 1995 12:49:17 -0600
From:      Nate Williams <nate@rocky.sri.MT.net>
To:        michael butler <imb@scgt.oz.au>
Cc:        current@freebsd.org
Subject:   Re: -fno-strength-reduce ?
Message-ID:  <199510111849.MAA24481@rocky.sri.MT.net>
In-Reply-To: <199510111348.XAA23413@asstdc.scgt.oz.au>
References:  <199510111348.XAA23413@asstdc.scgt.oz.au>

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> If it is a generic "gcc (2.63) is broken with optimisation" problem.

Yep.

> can/should the kernel be compiled with "-O2 -fno-strength-reduce" or are
> there other hidden "gotchas" that break it as well over and above the "-O"
> example given ?

Nope, it's a problem with all gcc releases since 2.4.5 with -O2
optimization.  It wasn't originally going to be fixed in 2.7.1, but
given the amount of time since the 2.7.0 release they may get time to
fix it. :)


Nate



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