Lines Matching refs:NULL_RTX
119 NULL_RTX))
314 else if (find_reg_note (insn, REG_NON_LOCAL_GOTO, NULL_RTX))
391 rtx note = find_reg_note (insn, REG_EH_REGION, NULL_RTX);
434 rtx bb_note = NULL_RTX;
435 rtx head = NULL_RTX;
436 rtx end = NULL_RTX;
455 head = end = NULL_RTX;
456 bb_note = NULL_RTX;
461 if (head == NULL_RTX)
469 head = end = NULL_RTX;
470 bb_note = NULL_RTX;
485 if (bb_note == NULL_RTX)
505 if (head != NULL_RTX)
646 rtx flow_transfer_insn = NULL_RTX;
669 flow_transfer_insn = NULL_RTX;
682 flow_transfer_insn = NULL_RTX;