[Bug middle-end/45422] [4.6 Regression] compile time increases 3x.

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45422

--- Comment #41 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-27 16:28:49 UTC ---
With additional -fno-prefetch-loop-arrays the TOTAL goes down from that 137s to
92.23, and judging from tree dumps between 4.5 and 4.6 we do significantly more
vectorization too (4.6 *.ifcvt is 4.7MB compared to 5.3MB 4.5 *.ifcvt, while
4.6 *.vect grows to 8.3MB while 4.5 *.vect stays at 5.3MB).