Lines Matching refs:NULL_RTX
161 last_note = NULL_RTX;
249 rtx label_note = find_reg_note (insn, REG_LABEL, NULL_RTX);
497 Return NULL_RTX in case we fail to do the reversal. */
501 enum rtx_code reversed_code = reversed_comparison_code (exp, NULL_RTX);
503 return NULL_RTX;
876 return NULL_RTX;
886 return NULL_RTX;
900 if (find_reg_note (insn, REG_NON_LOCAL_GOTO, NULL_RTX))
938 return NULL_RTX;
943 return NULL_RTX;
948 return NULL_RTX;
1192 mark_jump_label (XVECEXP (x, eltnum, i), NULL_RTX, in_mem);
1694 if ((note = find_reg_note (jump, REG_EQUAL, NULL_RTX)) != NULL_RTX)