[Bug tree-optimization/54073] [4.7/4.8 Regression] SciMark Monte Carlo test performance has seriously decreased in recent GCC releases

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073

Markus Trippelsdorf <markus at trippelsdorf dot de> changed:

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--- Comment #3 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-07-24 11:29:15 UTC ---
-flto helps a lot in this case (CPU=K10):

-O3:
 MonteCarlo:     Mflops:   319.57
-O3 -flto:
 MonteCarlo:     Mflops:   921.67