[Bug libstdc++/20610] Real by complex multiplications perform unnecessary operations

[pcarlini at suse dot de]

------- Additional Comments From pcarlini at suse dot de  2005-03-24 11:39 -------
The middle-end problem seems that, when no-fast-math, c99-conforming method, we 
are not implementing systematically the special cases in G.5.1/2 (and /3 for the
division).

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20610