This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Fortran: The Road Ahead.
- To: Joel Sherrill <joel at OARcorp dot com>
- Subject: Re: Fortran: The Road Ahead.
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Sun, 07 Dec 1997 09:59:00 -0700
- cc: Toon Moene <toon at moene dot indiv dot nluug dot nl>, egcs at cygnus dot com
- Reply-To: law at cygnus dot com
In message <Pine.BSF.3.96.971207101033.25106F-100000@vespucci.advicom.net>you
write:
>
>
> On Sun, 7 Dec 1997, Toon Moene wrote:
>
> > III. New loop optimisations.
> >
> > 1. Moving invariant conditionals out of loops.
Compiler folks often refer to this as unswitching. Note that the
conditional must be at the top of the loop to perform this kind
of optimization.
jeff