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[Bug rtl-optimization/14851] [4.0 Regression] suboptimal fp division with -ffast-math
- From: "uros at kss-loka dot si" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 27 Sep 2004 09:19:47 -0000
- Subject: [Bug rtl-optimization/14851] [4.0 Regression] suboptimal fp division with -ffast-math
- References: <20040405135542.14851.uros@kss-loka.si>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From uros at kss-loka dot si 2004-09-27 09:19 -------
A proposed fix is here:
http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02193.html
By moving three-linked combine pass in front of two-linked pass, combiner has
considerably more freedom to simplify instructions.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14851