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Re: -O4 needed
- To: N8TM at aol dot com
- Subject: Re: -O4 needed
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Sat, 12 Sep 1998 13:30:37 -0600
- cc: patha at ida dot liu dot se, egcs at cygnus dot com
- Reply-To: law at cygnus dot com
In message <1dfb5db0.35f9d1bc@aol.com>you write:
> A useful option which hasn't had enough testing to be included in a standard
> option package. Let's give it a work-out and see if we can document whethe r
> there are recognizable coding practices which break it, and whether there are
> any needed compiler fixes. And let's get g77 up to this new-found speed of gcc!
Note that -fstrict-aliasing doesn't help Fortran at all as far as I
know.
> If I understand the comment on the web page, strict-aliasing is under
> consideration for inclusion in the -Os and -O2 options.
-fstrict-aliasing is enabled by -O2/-Os in the mainline sources.
jeff