[Bug tree-optimization/42108] [4.6/4.7/4.8 Regression] 50% performance regression

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42108



--- Comment #56 from Richard Biener <rguenth at gcc dot gnu.org> 2013-01-17 
14:30:10 UTC ---

4.3 vs. trunk I get 9.5s vs. 12.3s for -O3.  With 4.7 and 4.6 I get the same

result (on Intel CPUs).  Thus basically re-confirmed after the recent

patches.