------- Comment #3 from rguenther at suse dot de 2009-02-24 12:14 ------- Subject: Re: Optimizing integer power
On Tue, 24 Feb 2009, burnus at gcc dot gnu dot org wrote: > ------- Comment #2 from burnus at gcc dot gnu dot org 2009-02-24 12:00 > ------- > > ... this asks for a POW_EXPR middle-end tree I guess. > I think that would be useful. See also middle-end PR 32503. > > > Or you can use builtins.c:expand_powi* do generate an expanded power series. > That won't work for (-1)**variable, does it? We likely don't special-case constant bases, yes. Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39280
