[Bug libstdc++/11706] std::pow(T, int) implementation pessimizes code

[gdr at integrable-solutions dot net]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11706



------- Additional Comments From gdr at integrable-solutions dot net  2003-09-29 16:17 -------
Subject: Re:  std::pow(T, int) implementation pessimizes code

"rguenth at tat dot physik dot uni-tuebingen dot de" <gcc-bugzilla@gcc.gnu.org> writes:

| It is - see line 556 in <cmath> which unconditionally uses ::pow. The

It is a bug, feel free to submit a due PR :-)

| problem are just the integer overloads of pow, as if using the regular
| float ones we optimize according to the gcc builtins added by Roger.
| 
| So we can f.i. just drop the integer overloads of std::pow.

No, we should not.

-- Gaby