[Bug tree-optimization/18589] could optimize FP multiplies better

["pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18589

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Last reconfirmed|2005-12-21 03:49:53         |2012-01-04

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-05 23:06:56 UTC ---
The tree level on the trunk we get:
  powmult.2_10 = foo_1(D) * foo_1(D);
  D.1709_4 = bar_3(D) * bar_3(D);
  D.1710_5 = D.1709_4 * bar_3(D);
  D.1711_6 = D.1710_5 * bar_3(D);
  powmult.2_9 = D.1711_6 * powmult.2_10;
  D.1707_7 = powmult.2_9 * powmult.2_10;
--- CUT ---
which is just as bad.

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