https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63281
--- Comment #16 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> --- Thanks, Alan! I saw your patches in this PR. They would help us to get the sequence of what we are thinking. And as you said in the comments: it is a big problem for fixing insn and rtl cost.
