https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81286
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2017-07-03 Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 41666 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41666&action=edit gcc7-pr81286.patch Untested fix. gpc_reg_operand allows in some cases a SUBREG of a REG, but REGNO is not valid in that case.