__builtin_cpow((0,0),(0,0))

[Vincent Lefevre]

On 2005-03-10 18:05:24 +0100, Paolo Carlini wrote:
> Vincent Lefevre wrote:
> >BTW, couldn't it be used when compiling C programs too?
> >Is there anything planned?
> >
> Can be used as any other __builtin_*: just call it ;)

But this wouldn't be portable. I mean:

  double x, y;
...
  y = pow(x, 6.0);
...

in some standard C program. Could/does gcc 4.0 generate special code,
taking into account the fact that 6.0 is a small integer?

-- 
Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
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Work: CR INRIA - computer arithmetic / SPACES project at LORIA