| 摘要 |
PURPOSE:To immediately start a following instruction when read start elements are not superposed so as to reduce a useless waiting by providing a means which detects that the region on a vector register for a leading instruction and the read start element on the vector register for the following instruction are not superposed. CONSTITUTION:A comparator 16 compares the sizes of a storage start number n1 with operated data read start number n2 and an overflow detection circuit 15 detects whether n1+vL (vector length) exceeds a maximum vector length (MaxVL). When the output from the comparator 16 is n2<n1, and the output from the overflow detection circuit 15 is n1+vL>MaxVL, if the output from an adder 14 is the residual of a divisional formula such as dividing n1+vL by MaxVL, that is, [n1+VL]modMaxVL<n2, a following instruction starting signal is transmitted. |
