Lines Matching defs:old_set
2946 rtx old_set = single_set (insn);
2965 if (old_set != 0 && REG_P (SET_DEST (old_set))
2966 && REGNO (SET_DEST (old_set)) < FIRST_PSEUDO_REGISTER)
2970 if (ep->from_rtx == SET_DEST (old_set) && ep->can_eliminate)
2981 rtx base = SET_SRC (old_set);
3019 old_set = single_set (insn);
3024 validate_change (insn, &SET_SRC (old_set), src, 1);
3025 validate_change (insn, &SET_DEST (old_set),
3029 SET_SRC (old_set) = src;
3030 SET_DEST (old_set) = ep->to_rtx;
3059 if (old_set && REG_P (SET_DEST (old_set)))
3061 if (GET_CODE (SET_SRC (old_set)) == PLUS)
3062 plus_src = SET_SRC (old_set);
3067 else if (REG_P (SET_SRC (old_set))
3132 old_set = single_set (insn);
3140 if (!validate_change (insn, &SET_SRC (old_set), new_src, 0))
3143 SET_DEST (old_set), new_src);
3146 SET_SRC (old_set) = new_src;
3192 if (old_set && recog_data.operand_loc[i] == &SET_SRC (old_set))
3267 && old_set != 0
3268 && ((REG_P (SET_SRC (old_set))
3274 || (old_set != 0
3275 && ((MEM_P (SET_SRC (old_set))
3276 && SET_SRC (old_set) != recog_data.operand[1])
3277 || (MEM_P (SET_DEST (old_set))
3278 && SET_DEST (old_set) != recog_data.operand[0])))
3280 || GET_CODE (SET_SRC (old_set)) == PLUS))