DE69629646D1 - Verfahren zur durchführung einer "rotate through carry" operatiion - Google Patents
Verfahren zur durchführung einer "rotate through carry" operatiionInfo
- Publication number
- DE69629646D1 DE69629646D1 DE69629646T DE69629646T DE69629646D1 DE 69629646 D1 DE69629646 D1 DE 69629646D1 DE 69629646 T DE69629646 T DE 69629646T DE 69629646 T DE69629646 T DE 69629646T DE 69629646 D1 DE69629646 D1 DE 69629646D1
- Authority
- DE
- Germany
- Prior art keywords
- rotate
- carrying
- carry
- 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.)
- Expired - Fee Related
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
-
- 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
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
- G06F9/30032—Movement instructions, e.g. MOVE, SHIFT, ROTATE, SHUFFLE
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
- G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
-
- 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)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Executing Machine-Instructions (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/452,162 US5682339A (en) | 1995-05-26 | 1995-05-26 | Method for performing rotate through carry using a 32 bit barrel shifter and counter |
US452162 | 1995-05-26 | ||
PCT/US1996/007092 WO1996037819A1 (en) | 1995-05-26 | 1996-05-16 | Method for performing a 'rotate through carry' operation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69629646D1 true DE69629646D1 (de) | 2003-10-02 |
DE69629646T2 DE69629646T2 (de) | 2004-06-03 |
Family
ID=23795313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69629646T Expired - Fee Related DE69629646T2 (de) | 1995-05-26 | 1996-05-16 | Verfahren zur durchführung einer "rotate through carry" operatiion |
Country Status (5)
Country | Link |
---|---|
US (1) | US5682339A (de) |
EP (1) | EP0772809B1 (de) |
KR (1) | KR970705074A (de) |
DE (1) | DE69629646T2 (de) |
WO (1) | WO1996037819A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5896305A (en) * | 1996-02-08 | 1999-04-20 | Texas Instruments Incorporated | Shifter circuit for an arithmetic logic unit in a microprocessor |
US6122651A (en) * | 1998-04-08 | 2000-09-19 | Advanced Micro Devices, Inc. | Method and apparatus for performing overshifted rotate through carry instructions by shifting in opposite directions |
US6975679B2 (en) | 2001-06-01 | 2005-12-13 | Microchip Technology Incorporated | Configuration fuses for setting PWM options |
US6952711B2 (en) | 2001-06-01 | 2005-10-04 | Microchip Technology Incorporated | Maximally negative signed fractional number multiplication |
US6934728B2 (en) | 2001-06-01 | 2005-08-23 | Microchip Technology Incorporated | Euclidean distance instructions |
US6937084B2 (en) | 2001-06-01 | 2005-08-30 | Microchip Technology Incorporated | Processor with dual-deadtime pulse width modulation generator |
US7003543B2 (en) | 2001-06-01 | 2006-02-21 | Microchip Technology Incorporated | Sticky z bit |
US20020184566A1 (en) | 2001-06-01 | 2002-12-05 | Michael Catherwood | Register pointer trap |
US6985986B2 (en) | 2001-06-01 | 2006-01-10 | Microchip Technology Incorporated | Variable cycle interrupt disabling |
US6976158B2 (en) | 2001-06-01 | 2005-12-13 | Microchip Technology Incorporated | Repeat instruction with interrupt |
US7467178B2 (en) | 2001-06-01 | 2008-12-16 | Microchip Technology Incorporated | Dual mode arithmetic saturation processing |
US7020788B2 (en) | 2001-06-01 | 2006-03-28 | Microchip Technology Incorporated | Reduced power option |
US10169039B2 (en) * | 2015-04-24 | 2019-01-01 | Optimum Semiconductor Technologies, Inc. | Computer processor that implements pre-translation of virtual addresses |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52116131A (en) * | 1976-03-26 | 1977-09-29 | Toshiba Corp | Microprogram instruction control unit |
US4538239A (en) * | 1982-02-11 | 1985-08-27 | Texas Instruments Incorporated | High-speed multiplier for microcomputer used in digital signal processing system |
US5155820A (en) * | 1989-02-21 | 1992-10-13 | Gibson Glenn A | Instruction format with designations for operand lengths of byte, half word, word, or double word encoded in address bits |
US5031135A (en) * | 1989-05-19 | 1991-07-09 | Hitachi Micro Systems, Inc. | Device for multi-precision and block arithmetic support in digital processors |
US5204953A (en) * | 1989-08-04 | 1993-04-20 | Intel Corporation | One clock address pipelining in segmentation unit |
US5259006A (en) * | 1990-04-18 | 1993-11-02 | Quickturn Systems, Incorporated | Method for substantially eliminating hold time violations in implementing high speed logic circuits or the like |
US5138570A (en) * | 1990-09-20 | 1992-08-11 | At&T Bell Laboratories | Multiplier signed and unsigned overflow flags |
JPH05134848A (ja) * | 1991-03-06 | 1993-06-01 | Fujitsu Ltd | 中央処理装置のデータシフト回路 |
US5218564A (en) * | 1991-06-07 | 1993-06-08 | National Semiconductor Corporation | Layout efficient 32-bit shifter/register with 16-bit interface |
US5189319A (en) * | 1991-10-10 | 1993-02-23 | Intel Corporation | Power reducing buffer/latch circuit |
DE69229324T2 (de) * | 1991-10-29 | 2000-02-24 | Advanced Micro Devices Inc | Arithmetik-Logik-Einheit |
US5254888A (en) * | 1992-03-27 | 1993-10-19 | Picopower Technology Inc. | Switchable clock circuit for microprocessors to thereby save power |
US5379240A (en) * | 1993-03-08 | 1995-01-03 | Cyrix Corporation | Shifter/rotator with preconditioned data |
US5559730A (en) * | 1994-02-18 | 1996-09-24 | Matsushita Electric Industrial Co., Ltd. | Shift operation unit and shift operation method |
US5404473A (en) * | 1994-03-01 | 1995-04-04 | Intel Corporation | Apparatus and method for handling string operations in a pipelined processor |
US5555202A (en) * | 1994-12-05 | 1996-09-10 | Cirrus Logic, Inc. | Low-power, high-performance barrel shifter |
-
1995
- 1995-05-26 US US08/452,162 patent/US5682339A/en not_active Expired - Fee Related
-
1996
- 1996-05-16 EP EP96920254A patent/EP0772809B1/de not_active Expired - Lifetime
- 1996-05-16 KR KR1019970700565A patent/KR970705074A/ko not_active Application Discontinuation
- 1996-05-16 WO PCT/US1996/007092 patent/WO1996037819A1/en not_active Application Discontinuation
- 1996-05-16 DE DE69629646T patent/DE69629646T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR970705074A (ko) | 1997-09-06 |
EP0772809B1 (de) | 2003-08-27 |
DE69629646T2 (de) | 2004-06-03 |
WO1996037819A1 (en) | 1996-11-28 |
US5682339A (en) | 1997-10-28 |
EP0772809A1 (de) | 1997-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |