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Cc: Joe Buck <jbuck@synopsys.com>,
 Scott Robert Ladd <coyote@coyotegulch.com>,
 Gabriel Dos Reis <gdr@integrable-solutions.net>,
 Alexandre Oliva <aoliva@redhat.com>,
 Steven Bosscher <s.bosscher@student.tudelft.nl>,
  <gcc@gcc.gnu.org>
From: Daniel Berlin <dberlin@dberlin.org>
Subject: Re: std::pow implementation
Date: Wed, 30 Jul 2003 19:12:00 -0000
To: Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
X-SW-Source: 2003-07/txt/msg02245.txt.bz2

>>
>> Actually, the heuristic is usually something like:
>> If number of calls to function with constant arguments is estimated or
>> actually high (IE function is on some critical performance path):
>> <clone and optimize>
>>
>> Otherwise, you would waste so much time trying to determine what to
>> clone, it's absurd.
>
> So this would be only practical with profiling feedback then?

Or static profiling, to determine the number of calls and whatnot.

>
> Richard.
>