https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117946
--- Comment #5 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- (In reply to Hongtao Liu from comment #4) > The insn is generated by avoid_store_fowarding, and it is valid but failed > reload Reload want to find a insn to move data from GPR to SSE_REGS but *movti_internal only support INDEX_GPR16 to SSE_REGS, that confuses reload.