[Bug target/47522] [4.4/4.5/4.6 Regression] wrong code at -O3 -ffast-math

[Joost.VandeVondele at pci dot uzh.ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47522

--- Comment #3 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-01-31 10:16:24 UTC ---
(In reply to comment #2)
> Target piece, if there is one.  PR44183 for the vectorizer piece, if there is
> one.

I'm almost certain that this is a dup of PR44183. As far as I can judge, the
result of the calculation is indeed correct.

The annoying thing is that this makes valgrind's 'out of bounds checking' kind
of useless.