https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87899
--- Comment #5 from Renlin Li <renlin at gcc dot gnu.org> --- Created attachment 44974 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44974&action=edit IRA dump The code you want to check is the following in ira pass: insn 10905: r1 = r2040 insn 208: use and update r1 with pre_modify insn 191: use pseudo r2040