Re: Compiling 2.2.19 with -O3 flag

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 24 May 2002 16:44:51 +0100 (BST)


> Or maybe not - not too long ago I did some tests of the various
> optimization options in gcc 2.96 or so and found that -O2 generates
> smaller code in most cases than -Os. -Os also did not perform as good,
> but I was just testing a few bits of code - nothing as versatile as the
> kernel.

I've done that test with 2.95 and egcs-1.1.2 (its a while back). I've not
check with 2.96, 3.0.4 or 3.1
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