------- Additional Comments From sebastian dot pop at cri dot ensmp dot fr 2005-01-24 21:36 ------- Subject: Re: [4.0 Regression] IV-OPTS is O(N^3)
> > Still there remain some inefficiences within the scev analysis itself. > Zdenek, have you tried to revert the patch that caches the instantiation information? This could speed up things a little. On a side note, I wonder how many times we're using this instantiation cache, in other words whether we pay a high price for the scev analysis for some (probably) rare cases... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18595