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[Bug middle-end/33611] Optimizations generate incorrect code
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 Oct 2007 17:10:27 -0000
- Subject: [Bug middle-end/33611] Optimizations generate incorrect code
- References: <bug-33611-15175@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from pinskia at gcc dot gnu dot org 2007-10-01 17:10 -------
I think you should read http://www.validlab.com/goldberg/paper.pdf . I think
what is happening is on x86, there is extra precision so really you are running
into bug 323. Can you try to add -ffloat-store?
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|c++ |middle-end
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33611