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Re: [fortran, patch] Expand powi to optimal multiplications

 --- Tobias_Schl?er <> 的正文:> Feng
Wang wrote:
> > Hi, Tobi, Paul and others
> > This is my implementation to expand powi operator to optimal
> multiplications.
> > Since there is no echo in gcc community, we had better implement it in the
> FE
> > first. Tested on i686 and ia64.
> I agree, it should be easy enough to port this to the gcc backend if 
> need arises.
> > 
> > /* Implementation of raising a value to an integer power.
> >    Copyright (C) 2004 Free Software Foundation, Inc.
> >    Contributed by Feng Wang <>
> > 
> The original copyright of libF77 is:
> (from libF77/NOTICE)
> /****************************************************************
> Copyright 1990 - 1997 by AT&T, Lucent Technologies and Bellcore.
> Permission to use, copy, modify, and distribute this software
> and its documentation for any purpose and without fee is hereby
> granted, provided that the above copyright notice appear in all
> copies and that both that the copyright notice and this
> permission notice and warranty disclaimer appear in supporting
> documentation, and that the names of AT&T, Bell Laboratories,
> Lucent or Bellcore or any of their entities not be used in
> advertising or publicity pertaining to distribution of the
> software without specific, written prior permission.
> AT&T, Lucent and Bellcore disclaim all warranties with regard to
> this software, including all implied warranties of
> merchantability and fitness.  In no event shall AT&T, Lucent or
> Bellcore be liable for any special, indirect or consequential
> damages or any damages whatsoever resulting from loss of use,
> data or profits, whether in an action of contract, negligence or
> other tortious action, arising out of or in connection with the
> use or performance of this software.
> ****************************************************************/
> Admittedly it's not in the files themselves, so it's easily missed. But 
> it should be included.
Agree. Paul, please help me add it when applying this patch if it is

Feng Wang

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