https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114232
--- Comment #23 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Jan Hubicka from comment #21) > Looking at the prototype patch, why need to change also the splitters? Purely for implementation reasons, we check for general resp. SSE register in the operand predicates, so there is no need to use additional insn constraints.