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參數(shù)資料
| 型號： | 21928 |
| 英文描述： | Low-Frequency, Spread-Spectrum EconOscillator |
| 中文描述： | 的AMD - K6 - 2E處理器數(shù)據(jù)手冊3DNow！？技術(shù)手冊 |
| 文件頁數(shù)： | 67/72頁 |
| 文件大?。?/td> | 845K |
| 代理商： | 21928 |
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Chapter 2
3DNow! Instruction Set
57
21928G/0—March 2000
3DNow! Technology Manual
will save the cycle that the PREFETCH instruction requires for modifying the Dcache
line state. The PREFETCHW instruction should be used when the programmer
expects that the data in the cache line will be modified. Otherwise, the PREFETCH
instruction should be used.
Note:
The AMD-K6-2 and AMD-K6-III processors execute the PREFETCHW instruction
identically to the PREFETCH instruction. However, the AMD Athlon and future
AMD processors that support PREFETCHW as described above will be able to take
advantage of the performance benefit provided by this instruction. For more
information, see the
AMD Athlon Processor x86 Code Optimization Guide,
order#
22007.
Table 21 summarizes the PREFETCH type options:
Note:
The “Reserved” PREFETCH types do not result in an Invalid Opcode Exception if
executed. Instead, for forward compatibility with future processors that may
implement additional forms of the PREFETCH instruction, all “Reserved”
PREFETCH types are implemented as synonyms for the basic PREFETCH type (for
example, the PREFETCH instruction with type 000b).
Table 21. Summary of PREFETCH Instruction Type Options
Mod R/M
11-xxx-xxx
mm-000-xxx
mm-001-xxx
mm-010-xxx
mm-011-xxx
mm-100-xxx
mm-101-xxx
mm-110-xxx
mm-111-xxx
Result
Invalid Opcode
PREFETCH
PREFETCHW
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 2192VE | 3.3V In-System Programmable SuperFAST⑩ High Density PLD |
| 21934 | CAPACITIVE SENSOR |
| 21A | Low-Frequency Dual EconOscillator |
| 21B | Low-Frequency Dual EconOscillator |
| 21C | Low-Frequency Dual EconOscillator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 219-2-8235-1 | 制造商:Airpax 功能描述:CIRCUIT PROTECTOR HYD MAGNETIC 制造商:Airpax 功能描述:CIRCUIT BREAKER MAG-HYDR LEVER 制造商:Sensata Technologies 功能描述:219-2-8235-1 /Pole # 2 /Prod Family: 0209 |
| 219-2-8696-1 | 制造商:Airpax 功能描述:CIRCUIT BREAKER MAG-HYDR LEVER 制造商:Sensata Technologies 功能描述:219-2-8696-1 /Pole # 2 /Prod Family: 0209 |
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