Re: pgcc optimizationss

Anthony Barbachan (barbacha@Hinako.AMBusiness.com)
Thu, 17 Dec 1998 02:21:11 -0500


-----Original Message-----
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Petko Manolov <petkan@varel.bg>
Cc: alan@lxorguk.ukuu.org.uk <alan@lxorguk.ukuu.org.uk>; pcg@goof.com
<pcg@goof.com>; linut@squonk.net <linut@squonk.net>;
linux-kernel@vger.rutgers.edu <linux-kernel@vger.rutgers.edu>
Date: Wednesday, December 16, 1998 9:08 AM
Subject: Re: pgcc optimizationss

>> True, but -O6 enables a lot of optimization that -O2 didn't. I prefer
>
>Last time I checked it seem to only add one thing for O3 and higher and
>that was gratuitous inlining
>

This doesn't seam the be the case any more. Last few times I have checked
their web site there were many optimizations listed for the levels -O3
through -O6 and beyond. The last level of stable optimizations was -O6,
last time I checked.

>> -O6 -fno-inline-functions (i don't like wild inlining too). Sadly this
>
>-fno-inline will stop all the inlining AFAIK, that'll break stuff
>
>
>
>-
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