CN102043609A - 一种浮点协处理器及相应的配置、控制方法 - Google Patents
一种浮点协处理器及相应的配置、控制方法 Download PDFInfo
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- CN102043609A CN102043609A CN2010105866479A CN201010586647A CN102043609A CN 102043609 A CN102043609 A CN 102043609A CN 2010105866479 A CN2010105866479 A CN 2010105866479A CN 201010586647 A CN201010586647 A CN 201010586647A CN 102043609 A CN102043609 A CN 102043609A
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- 238000013461 design Methods 0.000 description 8
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CONF[7:0] | OP7 | OP6 | OP5 | OP4 | OP3 | OP2 | OP1 | OP0 |
00000001 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
00000011 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
00000111 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
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00011111 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
00111111 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
01111111 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
11111111 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
其他 | / | / | / | / | / | / | / | / |
操作 | 运算 | 操作码 | 结果寄存器 | 操作数0 | 操作数1 |
sin $5, $1 | $5 = sin($1) | SIN | 5 | 1 | 0 |
cos $6, $2 | $6 = cos($2) | COS | 6 | 2 | 0 |
mul $7,$5,$5 | $7 = $5*$5 | MUL | 7 | 5 | 5 |
mul $8, $6, $6 | $8 = $6*$6 | MUL | 8 | 6 | 6 |
add $8, $7, $8 | $8 = $7 + $8 | ADD | 8 | 7 | 8 |
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CN102043609A true CN102043609A (zh) | 2011-05-04 |
CN102043609B CN102043609B (zh) | 2013-11-20 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102546178A (zh) * | 2011-12-29 | 2012-07-04 | 北京握奇数据系统有限公司 | 一种生成密文的方法及装置 |
CN107092466A (zh) * | 2011-12-29 | 2017-08-25 | 英特尔公司 | 用于控制mxcsr的方法及装置 |
FR3087907A1 (fr) * | 2018-10-24 | 2020-05-01 | Stmicroelectronics (Grenoble 2) Sas | Microcontroleur destine a executer un traitement parametrable |
FR3087908A1 (fr) * | 2018-10-24 | 2020-05-01 | Stmicroelectronics (Grenoble 2) Sas | Microcontroleur capable d'executer de facon acceleree un traitement parametrable |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6134653A (en) * | 1998-04-22 | 2000-10-17 | Transwitch Corp. | RISC processor architecture with high performance context switching in which one context can be loaded by a co-processor while another context is being accessed by an arithmetic logic unit |
CN1983161A (zh) * | 2005-09-28 | 2007-06-20 | 英特尔公司 | 用于扩展函数的增强型浮点单元 |
US20070300042A1 (en) * | 2006-06-27 | 2007-12-27 | Moyer William C | Method and apparatus for interfacing a processor and coprocessor |
-
2010
- 2010-12-14 CN CN2010105866479A patent/CN102043609B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6134653A (en) * | 1998-04-22 | 2000-10-17 | Transwitch Corp. | RISC processor architecture with high performance context switching in which one context can be loaded by a co-processor while another context is being accessed by an arithmetic logic unit |
CN1983161A (zh) * | 2005-09-28 | 2007-06-20 | 英特尔公司 | 用于扩展函数的增强型浮点单元 |
US20070300042A1 (en) * | 2006-06-27 | 2007-12-27 | Moyer William C | Method and apparatus for interfacing a processor and coprocessor |
Non-Patent Citations (1)
Title |
---|
彭和平: "《基于航天及空间应用的单片多处理体系结构研究》", 《西北工业大学博士学位论文》 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102546178A (zh) * | 2011-12-29 | 2012-07-04 | 北京握奇数据系统有限公司 | 一种生成密文的方法及装置 |
CN107092466A (zh) * | 2011-12-29 | 2017-08-25 | 英特尔公司 | 用于控制mxcsr的方法及装置 |
CN107092466B (zh) * | 2011-12-29 | 2020-12-08 | 英特尔公司 | 用于控制mxcsr的方法及装置 |
FR3087907A1 (fr) * | 2018-10-24 | 2020-05-01 | Stmicroelectronics (Grenoble 2) Sas | Microcontroleur destine a executer un traitement parametrable |
FR3087908A1 (fr) * | 2018-10-24 | 2020-05-01 | Stmicroelectronics (Grenoble 2) Sas | Microcontroleur capable d'executer de facon acceleree un traitement parametrable |
CN111090248A (zh) * | 2018-10-24 | 2020-05-01 | 意法半导体(格勒诺布尔2)公司 | 用于执行可配置处理操作的微控制器 |
US11204739B2 (en) | 2018-10-24 | 2021-12-21 | Stmicroelectronics (Grenoble 2) Sas | Microcontroller for executing a configurable processing operation |
CN111090248B (zh) * | 2018-10-24 | 2023-03-10 | 意法半导体(格勒诺布尔2)公司 | 用于执行可配置处理操作的微控制器 |
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