JPS6426232A - Microprogram control system for pipeline computer - Google Patents
Microprogram control system for pipeline computerInfo
- Publication number
- JPS6426232A JPS6426232A JP18264487A JP18264487A JPS6426232A JP S6426232 A JPS6426232 A JP S6426232A JP 18264487 A JP18264487 A JP 18264487A JP 18264487 A JP18264487 A JP 18264487A JP S6426232 A JPS6426232 A JP S6426232A
- Authority
- JP
- Japan
- Prior art keywords
- microcode
- stage
- branch
- branch destination
- execution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Advance Control (AREA)
Abstract
PURPOSE:To speed up microprogram branching in an arithmetic stage while suppressing an increase in hardware quantity by setting a branch destination microcode read out of a control storage in a 1st stage in a microcode register corresponding to a specific stage. CONSTITUTION:When a conditional branch microcode and the branch destination microcode based upon the decision result of a branch condition are executed at the time of the execution of a machine instruction, the conditional branch microcode is read out to a microcode register (A)7 for controlling a stage A and executed in the order of stages A7 M8 E9 W10. The branch destination microcode to be necessary according to the decision result of the branch condition of the branch destination microcode in the stage E9 is read so that the execution of the branch destination microcode in the stage E9 is performed following the execution of the branch microcode in the stage E9. Consequently, the microprogram branching in the arithmetic stage is speeded up while suppressing an increase in the hardware quantity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18264487A JPS6426232A (en) | 1987-07-22 | 1987-07-22 | Microprogram control system for pipeline computer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18264487A JPS6426232A (en) | 1987-07-22 | 1987-07-22 | Microprogram control system for pipeline computer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6426232A true JPS6426232A (en) | 1989-01-27 |
Family
ID=16121907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18264487A Pending JPS6426232A (en) | 1987-07-22 | 1987-07-22 | Microprogram control system for pipeline computer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6426232A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04364527A (en) * | 1991-06-11 | 1992-12-16 | Gijutsu Kenkyu Kumiai Kokusai Fuajii Kogaku Kenkyusho | Arithmetic unit |
-
1987
- 1987-07-22 JP JP18264487A patent/JPS6426232A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04364527A (en) * | 1991-06-11 | 1992-12-16 | Gijutsu Kenkyu Kumiai Kokusai Fuajii Kogaku Kenkyusho | Arithmetic unit |
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