Lines Matching refs:NULL_RTX
346 if (insn == NULL_RTX)
347 return NULL_RTX;
815 if ((note = find_reg_note (insn, REG_LIBCALL, NULL_RTX))
820 REG_RETVAL, NULL_RTX);
1489 param->retval = NULL_RTX;
1491 if (*ptr == NULL_RTX)
1556 if (i != NULL_RTX)
1561 if (param.retval != NULL_RTX)
1642 rtx inote = find_reg_note (insn, REG_LABEL, NULL_RTX);
1714 note = find_reg_note (insn, REG_RETVAL, NULL_RTX);
1739 && find_reg_note (insn, REG_MAYBE_DEAD, NULL_RTX) == 0)
1775 = find_reg_note (XEXP (note, 0), REG_LIBCALL, NULL_RTX);
1781 note = find_reg_note (insn, REG_LIBCALL, NULL_RTX);
1787 = find_reg_note (XEXP (note, 0), REG_RETVAL, NULL_RTX);
1878 cond = NULL_RTX;
1929 mark_used_regs (pbi, PATTERN (insn), NULL_RTX, insn);
1942 cond = NULL_RTX;
1986 pbi->mem_set_list = NULL_RTX;
2431 && ! insn_dead_p (pbi, XVECEXP (x, 0, i), call_ok, NULL_RTX))
2619 rtx prev = NULL_RTX;
2656 rtx cond = NULL_RTX;
2667 ? COND_EXEC_TEST (x) : NULL_RTX),
2878 if (cond != NULL_RTX
2914 y = NULL_RTX;
3107 if (cond == NULL_RTX)
3631 while ((note = find_reg_note (incr, REG_DEAD, NULL_RTX)) != NULL_RTX)
3889 if (cond != NULL_RTX)
3967 if (x == NULL_RTX)
4092 rtx prev = NULL_RTX;
4206 mark_used_regs (pbi, COND_EXEC_TEST (x), NULL_RTX, insn);