From: pavenis AT lanet DOT lv To: Eli Zaretskii , djgpp AT delorie DOT com Date: Tue, 18 Apr 2000 11:15:56 +0200 MIME-Version: 1.0 Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT Subject: Re: Odp: CWSDPMI r5 Message-ID: <38FC43EC.16496.EB0C2@localhost> References: <38FB410C DOT 26753 DOT D0CA35 AT localhost> In-reply-to: X-mailer: Pegasus Mail for Win32 (v3.12c) Reply-To: djgpp AT delorie DOT com On 18 Apr 2000, at 11:08, Eli Zaretskii wrote: > > On Mon, 17 Apr 2000 pavenis AT lanet DOT lv wrote: > > > In FAQ (14.2): > > (For PGCC and GCC version 2.95 and later, use -O6 instead of -O2.) > > > > For all versions of gcc (including gcc-2.95.2) optimization levels higher > > than -O3 is taken as -O3, only for PGCC -O4, -O5,... have some > > meaning) > > Thanks for the corrections. > > Does GCC 2.96 (the development version) change this in any way? What > about the Haifa scheduler--does it change the meaning of -O* switches? No. As far I grepped sources of gcc-2.96 19990322 (latest sources I have unpacked on Windows partition, I have this night CVS version on Linux partition, but I don't want to reboot now) the highest used optimization level is 3. Also HAIFA scheduler does not change anything here. Andris