------- Additional Comments From dberlin at gcc dot gnu dot org 2005-01-24 22:25 ------- Subject: Re: [4.0 Regression] IV-OPTS is O(N^3)
> > Other part is that scev tries to be too clever. Without need to > represent nonaffine induction variables (that we do not use anywhere) > we could use more memory efficient representation of ivs. > Without need to handle symbolic references (that we also do not use > anywhere, we could store evolutions in a fully instantiated form, and > we would not need instantiate_parameters/resolve_mixers functions atall. Uh, symbolic references are or will be used to do data dependence when MEM_REF and ARRAY_REF couldn't be generated from the pointers. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18595
