https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92140
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 47065 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47065&action=edit gcc10-pr92140-wip.patch If pre-reload splitters are reliable, my patch can be greatly simplified and using the formatting, && can_create_pseudos (), && 1 and <general_operand> + force_reg ideas from your patch this is the merge of both, which can handle all f1-f14 plus tst1-3.