From: nikki AT gameboutique DOT co (nikki)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Loop unrolling: Don't bother
Date: 1 Mar 1997 10:20:14 GMT
Organization: GameBoutique Ltd.
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To: djgpp AT delorie DOT com
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> Is it possible that with the -O3 option, the compiler sees that these are
> indeed constant iteration loops, and unrolls them itself?  Try it with -O0
> option, because this should turn off all optimisation.  -O3 is the highest
> level of optimisation available.

i'm fairly sure o3 doesn't unroll loops, or at least it's never unrolled any
of mine ;) you can also use o4 no? at least i thought you could..

regards,
nik

-- 
Graham Tootell           
nikki AT gameboutique DOT com