Lines Matching refs:NULL_RTX
150 while ((note = find_reg_note (insn, REG_LABEL, NULL_RTX)) != NULL_RTX
554 rtx del_first = NULL_RTX, del_last = NULL_RTX;
681 return NULL_RTX;
714 if (find_reg_note (insn, REG_CROSSING_JUMP, NULL_RTX)
1022 note = find_reg_note (BB_END (e->src), REG_BR_PROB, NULL_RTX);
1120 NULL_RTX,
1291 before = NULL_RTX;
1345 if (e->insns.r == NULL_RTX)
1361 rtx before = NULL_RTX, after = NULL_RTX, insns, tmp, last;
1366 e->insns.r = NULL_RTX;
1449 bb_note = NULL_RTX;
1463 (REG_CROSSING_JUMP, NULL_RTX, REG_NOTES (BB_END (bb)));
1647 for (x = BB_HEAD (bb); x != NULL_RTX; x = NEXT_INSN (x))
1714 note = find_reg_note (BB_END (bb), REG_BR_PROB, NULL_RTX);
1778 for (x = last_head; x != NULL_RTX; x = PREV_INSN (x))
1797 for (; x != NULL_RTX; x = PREV_INSN (x))
1833 && (note = find_reg_note (BB_END (bb), REG_BR_PROB, NULL_RTX))
1878 && !find_reg_note (BB_END (bb), REG_EH_REGION, NULL_RTX))
2682 NULL_RTX, e->src);
2904 op0 = force_operand (op0, NULL_RTX);
2905 op1 = force_operand (op1, NULL_RTX);
2907 mode, NULL_RTX, NULL_RTX, label);
2957 while (NEXT_INSN (pat_end) != NULL_RTX)
2982 note = find_reg_note (insn, REG_CC_SETTER, NULL_RTX);