> > if (pic_offset_table_rtx) > > add_to_hard_reg_set (&set_up_by_prologue, Pmode, > > PIC_OFFSET_TABLE_REGNUM); > > But if PIC_OFFSET_TABLE_REGNUM == INVALID_REGNUM, then > pic_offset_table_rtx should be NULL_RTX.
It is, but is gcc smart enough to know that causal relationship?
