Lines Matching refs:NULL_RTX
164 Return the register if one was discovered. Return NULL_RTX if
177 return NULL_RTX;
198 return (found ? tmp : NULL_RTX);
229 if (flags == NULL_RTX)
237 if (flags == NULL_RTX || flags == pc_rtx)
686 || find_reg_note (p, REG_EQUIV, NULL_RTX)
734 rtx note = find_reg_note (p, REG_EQUAL, NULL_RTX);
770 && (set = single_set (insn)) != NULL_RTX
797 for (link = REG_NOTES (insn); link != NULL_RTX; link = next)
812 *p_move_notes = NULL_RTX;
813 *p_insn_notes = NULL_RTX;
893 && find_reg_note (p, REG_EQUAL, NULL_RTX))
1259 copy_src = NULL_RTX;
1260 copy_dst = NULL_RTX;
1504 if (!success && copy_src != NULL_RTX)
1678 rtx src_note = find_reg_note (insn, REG_DEAD, src), dst_note = NULL_RTX;
1758 rtx set2 = NULL_RTX;
1921 rtx note = find_reg_note (insn, REG_EQUAL, NULL_RTX);
1922 rtx q, set2 = NULL_RTX;
2180 return NULL_RTX;
2184 return NULL_RTX;
2196 return NULL_RTX;
2323 rtx last_sp_set = NULL_RTX;
2452 last_sp_set = NULL_RTX;
2478 last_sp_set = NULL_RTX;