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| Date: | Tue, 9 Mar 1999 23:07:23 +0100 |
| To: | pgcc AT delorie DOT com |
| Subject: | Re: gcc-2.7.0 creates faster code than pgcc-1.1.1 |
| Message-ID: | <19990309230723.E360@cerebro.laendle> |
| Mail-Followup-To: | pgcc AT delorie DOT com |
| References: | <3 DOT 0 DOT 6 DOT 32 DOT 19990303195529 DOT 00860870 AT pop DOT globalserve DOT net> <Pine DOT LNX DOT 4 DOT 04 DOT 9903091114280 DOT 8347-100000 AT alcatraz DOT fdf DOT net> |
| Mime-Version: | 1.0 |
| In-Reply-To: | <Pine.LNX.4.04.9903091114280.8347-100000@alcatraz.fdf.net>; from Dustin Marquess on Tue, Mar 09, 1999 at 11:14:58AM -0600 |
| X-Operating-System: | Linux version 2.2.2 (marc AT cerebro) (gcc driver version pgcc-2.93.04 19990131 (gcc2 ss-980929 experimental) executing gcc version 2.7.2.3) |
| From: | Marc Lehmann <pcg AT goof DOT com> |
| Reply-To: | pgcc AT delorie DOT com |
| X-Mailing-List: | pgcc AT delorie DOT com |
| X-Unsubscribes-To: | listserv AT delorie DOT com |
On Tue, Mar 09, 1999 at 11:14:58AM -0600, Dustin Marquess wrote:
> On Wed, 3 Mar 1999, Paul Derbyshire wrote:
>
> > At 12:09 PM 3/2/99 -0600, you wrote:
> > >Could you try the following options:
> > >
> > >-O20
> >
> > Is this a joke, or has PGCC come a LOOONG way since I last checked up on it?
>
> glibc2 uses -O99 :).... I think after like -O6 or -O7 it
> really doesn't change anything...
-O3 is the highest for gcc & egcs,
-O6 is the highest for pgcc
Most other compilers (if they support the -Onnn syntax) go upto -O2 or -O3
at most.
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