JPS5734253A - Brunch instruction controlling circuit - Google Patents
Brunch instruction controlling circuitInfo
- Publication number
- JPS5734253A JPS5734253A JP10881780A JP10881780A JPS5734253A JP S5734253 A JPS5734253 A JP S5734253A JP 10881780 A JP10881780 A JP 10881780A JP 10881780 A JP10881780 A JP 10881780A JP S5734253 A JPS5734253 A JP S5734253A
- Authority
- JP
- Japan
- Prior art keywords
- general register
- busses
- read
- controlling circuit
- brunch
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3802—Instruction prefetching
- G06F9/3808—Instruction prefetching for instruction reuse, e.g. trace cache, branch target cache
- G06F9/381—Loop buffering
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Advance Control (AREA)
- Executing Machine-Instructions (AREA)
Abstract
PURPOSE:To determine success or snsuccess of reading without increasing read busses by detecting that a content of a general register indicated at a general bus assigning part in read busses is one in a case where an empty of at least one system exists in the read busses of the general register. CONSTITUTION:Read address registers A1, B1, C1, AB for general register for each timing in counting branch instruction are provided in a read address selecting circuit 12, and registers A1, B1, AX, C2 are given in read address selecting circuit 13. Further, an output of reading busses 14, 15 in a general register 11 detects with a branch instruction controlling circuit 16 whether a content of the general register indicated with a general register assigning part is one or not, thereby allowing success or unsuccess in the branch to be determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10881780A JPS5734253A (en) | 1980-08-09 | 1980-08-09 | Brunch instruction controlling circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10881780A JPS5734253A (en) | 1980-08-09 | 1980-08-09 | Brunch instruction controlling circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5734253A true JPS5734253A (en) | 1982-02-24 |
Family
ID=14494257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10881780A Pending JPS5734253A (en) | 1980-08-09 | 1980-08-09 | Brunch instruction controlling circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5734253A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61253541A (en) * | 1985-05-07 | 1986-11-11 | Hitachi Ltd | instruction processing device |
| JPS6341932A (en) * | 1985-08-22 | 1988-02-23 | Nec Corp | Branching instruction processing device |
| US5213329A (en) * | 1990-09-25 | 1993-05-25 | The Yokohama Rubber Co., Ltd. | Golf club head |
-
1980
- 1980-08-09 JP JP10881780A patent/JPS5734253A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61253541A (en) * | 1985-05-07 | 1986-11-11 | Hitachi Ltd | instruction processing device |
| JPS6341932A (en) * | 1985-08-22 | 1988-02-23 | Nec Corp | Branching instruction processing device |
| US5213329A (en) * | 1990-09-25 | 1993-05-25 | The Yokohama Rubber Co., Ltd. | Golf club head |
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