| 发明名称 |
DATA PROCESSOR |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide technology capable of obtaining multiplication performance corresponding to needs while maintaining compatibility and capable of improving processing performance. <P>SOLUTION: A data processor is provided with a control means (22) for controlling an performance means (26) for performing instructions and a multiplication means (2), includes a 1st instruction for driving the control means (22) and the multiplication means (2) in parallel and a 2nd instruction for operating the multiplication means (2) and is constituted so that the multiplication means (2) is built in the control means (22). The 1st instruction is a sum-of-products instruction and the 2nd instruction is a multiplication instruction. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
| 申请公布号 |
JP2005050333(A) |
申请公布日期 |
2005.02.24 |
| 申请号 |
JP20040213952 |
申请日期 |
2004.07.22 |
| 申请人 |
RENESAS TECHNOLOGY CORP;HITACHI ENG CO LTD |
发明人 |
SAKAKIBARA EIJI;MITSUISHI NAOMIKI;KAJIWARA HISASHI;UE SUSUMU |
| 分类号 |
G06F9/38;G06F7/52;G06F7/523;G06F7/53;G06F9/305;G06F9/46;G06F9/48;G06F11/22;G06F15/78 |
主分类号 |
G06F9/38 |
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