Hello, > On Sunday 27 March 2005 03:53, Canqun Yang wrote: > > The last ChangeLog of rtlopt-branch was written in > > 2003. After more than one year, many impovements in > > this branch haven't been put into the GCC HEAD. Why? > > Almost all of the rtlopt branch was merged. Prefetching is one > of the few things that was not, probably Zdenek knows why.
because I never made it work as well as the current version, basically. At least no matter how much I tried, I never produced any benchmark numbers that would justify the change. Then I went to tree-ssa (and tried to write prefetching there, and got stuck on the same issue, after which I simply forgot due to loads of other work :-( ). Zdenek
