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Re: Proposal: -O4 -> strict-aliasing
- To: Gerald Pfeifer <pfeifer at dbai dot tuwien dot ac dot at>
- Subject: Re: Proposal: -O4 -> strict-aliasing
- From: Andris Pavenis <andris at stargate dot astr dot lu dot lv>
- Date: Sat, 30 Oct 1999 11:35:51 +0300
- Cc: Mark Mitchell <mark at codesourcery dot com>,nbecker at fred dot net,gcc at gcc dot gnu dot org
- References: <Pine.GSO.4.20.9910300319390.9832-100000@alphard.dbai.tuwien.ac.at>
On Sat, 30 Oct 1999, Gerald Pfeifer wrote:
> On Wed, 27 Oct 1999, Andris Pavenis wrote:
> > Perhaps one who needs -fstrict-aliasing with 2.95.2 could simply modify
> > specs by adding '%(!no-strict-aliasing: -fstrict-aliasing)' to cc1_spec
Sorry I had typo here. It should be:
%{!no-strict-aliasing: -fstrict-aliasing}
> > (or one can do the oposite with gcc-2.95.1 and gcc-2.95 to disable strict
> > aliasing). So the default can be simply changed.
> >
> > Maybe such hack should be mentioned in FAQ.
>
> Personally I don't think we should add that to the FAQ, but if others feel
> differently, please let me know, I don't have any strong preference.
>
> Gerald
> --
> Gerald "Jerry" pfeifer@dbai.tuwien.ac.at http://www.dbai.tuwien.ac.at/~pfeifer/