https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69247
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-01-12 CC| |jakub at gcc dot gnu.org Component|rtl-optimization |target Ever confirmed|0 |1 --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Most likely introduced with r231152 operands[2] = gen_reg_rtx (SImode); in the splitter is just wrong, unless the splitter is limited to can_create_pseudo_p (), but as the bswap insn has # for this alternative, there needs to be a way to handle it even after reload.