HK56295A - An improvement for pipelined decoding of instructions in a pipelined processor. - Google Patents
An improvement for pipelined decoding of instructions in a pipelined processor.Info
- Publication number
- HK56295A HK56295A HK56295A HK56295A HK56295A HK 56295 A HK56295 A HK 56295A HK 56295 A HK56295 A HK 56295A HK 56295 A HK56295 A HK 56295A HK 56295 A HK56295 A HK 56295A
- Authority
- HK
- Hong Kong
- Prior art keywords
- pipelined
- instructions
- improvement
- decoding
- processor
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F9/3818—Decoding for concurrent execution
- G06F9/382—Pipelined decoding, e.g. using predecoding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F9/22—Microcontrol or microprogram arrangements
- G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
- G06F9/262—Arrangements for next microinstruction selection
- G06F9/268—Microinstruction selection not based on processing results, e.g. interrupt, patch, first cycle store, diagnostic programs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
- G06F9/30149—Instruction analysis, e.g. decoding, instruction word fields of variable length instructions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
- G06F9/3016—Decoding the operand specifier, e.g. specifier format
- G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33518689A | 1989-04-07 | 1989-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK56295A true HK56295A (en) | 1995-04-21 |
Family
ID=23310662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK56295A HK56295A (en) | 1989-04-07 | 1995-04-11 | An improvement for pipelined decoding of instructions in a pipelined processor. |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2847316B2 (en) |
DE (1) | DE4010895C2 (en) |
FR (1) | FR2645665B1 (en) |
GB (1) | GB2230116B (en) |
HK (1) | HK56295A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5438668A (en) * | 1992-03-31 | 1995-08-01 | Seiko Epson Corporation | System and method for extraction, alignment and decoding of CISC instructions into a nano-instruction bucket for execution by a RISC computer |
KR100248903B1 (en) | 1992-09-29 | 2000-03-15 | 야스카와 히데아키 | System and method for handling load and/or store operating in a superscalar microprocessor |
US6735685B1 (en) | 1992-09-29 | 2004-05-11 | Seiko Epson Corporation | System and method for handling load and/or store operations in a superscalar microprocessor |
US5644741A (en) * | 1993-10-18 | 1997-07-01 | Cyrix Corporation | Processor with single clock decode architecture employing single microROM |
EP0649083B1 (en) * | 1993-10-18 | 2000-07-19 | National Semiconductor Corporation | A microcontrol unit for a superpipelined, superscalar microprocessor |
US5794026A (en) * | 1993-10-18 | 1998-08-11 | National Semiconductor | Microprocessor having expedited execution of condition dependent instructions |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3629853A (en) * | 1959-06-30 | 1971-12-21 | Ibm | Data-processing element |
US4363091A (en) * | 1978-01-31 | 1982-12-07 | Intel Corporation | Extended address, single and multiple bit microprocessor |
CA1174370A (en) * | 1980-05-19 | 1984-09-11 | Hidekazu Matsumoto | Data processing unit with pipelined operands |
US4573118A (en) * | 1983-03-31 | 1986-02-25 | Fairchild Camera & Instrument Corporation | Microprocessor with branch control |
US4574344A (en) * | 1983-09-29 | 1986-03-04 | Tandem Computers Incorporated | Entry control store for enhanced CPU pipeline performance |
US4812972A (en) * | 1984-06-20 | 1989-03-14 | Convex Computer Corporation | Microcode computer having dispatch and main control stores for storing the first and the remaining microinstructions of machine instructions |
JPH0776917B2 (en) * | 1984-12-29 | 1995-08-16 | ソニー株式会社 | Micro computer |
JP2554050B2 (en) * | 1986-02-26 | 1996-11-13 | 株式会社日立製作所 | Data processing method |
JPS62226231A (en) * | 1986-03-27 | 1987-10-05 | Toshiba Corp | Processor |
JPH0772863B2 (en) * | 1986-10-30 | 1995-08-02 | 日本電気株式会社 | Program counter relative address calculation method |
-
1990
- 1990-02-14 GB GB9003351A patent/GB2230116B/en not_active Expired - Fee Related
- 1990-04-04 DE DE19904010895 patent/DE4010895C2/en not_active Expired - Fee Related
- 1990-04-05 FR FR9004375A patent/FR2645665B1/en not_active Expired - Fee Related
- 1990-04-05 JP JP2089297A patent/JP2847316B2/en not_active Expired - Lifetime
-
1995
- 1995-04-11 HK HK56295A patent/HK56295A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2645665A1 (en) | 1990-10-12 |
JP2847316B2 (en) | 1999-01-20 |
GB9003351D0 (en) | 1990-04-11 |
GB2230116A (en) | 1990-10-10 |
FR2645665B1 (en) | 1994-04-15 |
JPH03201030A (en) | 1991-09-02 |
DE4010895A1 (en) | 1990-10-11 |
DE4010895C2 (en) | 1998-09-24 |
GB2230116B (en) | 1993-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |