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[Bug fortran/35259] PAREN_EXPR: Option to allow for reassociation
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 Feb 2008 10:49:32 -0000
- Subject: [Bug fortran/35259] PAREN_EXPR: Option to allow for reassociation
- References: <bug-35259-13404@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from rguenther at suse dot de 2008-02-20 10:49 -------
Subject: Re: PAREN_EXPR: Option to allow for reassociation
On Wed, 20 Feb 2008, burnus at gcc dot gnu dot org wrote:
> > So - should Fortran disable flag_trapping_math and flag_signed_zeros by default
> > as well?
>
> Ups, missed that. No, with Fortran 2003's IEEE support we need it at some
> point.
>
> The question is when the option should be set, when it should be stricter (for
> trapping math and signed zero) and when looser (allow to ignore the
> parentheses) and what new option we need for this.
> Additionally, one also needs to put that somehow into the manpage :-/
I think it would be useful to have Fortran specific options to
enable/disable sets of these options together.
Richard.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35259