參數(shù)資料
型號(hào)： 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(cè)3DNow??？技術(shù)手冊(cè)
文件頁數(shù)： 58/72頁
文件大?。?/td> 845K
代理商： 21928
48
3DNow! Instruction Set
Chapter 2
3DNow! Technology Manual
21928G/0—March 2000
The PFRSQRT instruction performs the following operations:
mmreg1[31:0] = reciprocal square root(mmreg2/mem64[31:0])
mmreg1[63:32] = reciprocal square root(mmreg2/mem64[31:0])
In the following code example, the bold line illustrates the PFRSQRT instruction in a
sequence used to compute a = 1/sqrt (b) accurate to 24 bits:
X
0
=
PFRSQRT(b)
X
1
=
PFMUL(X
0
,X
0
)
X
2
=
PFRSQIT1(b,X
1
)
a
=
PFRCPIT2(X
2
,X
0
)
Related Instructions
See the PFRSQIT1 instruction.
See the PFRCPIT2 instruction.
Table 18. Numerical Range for the PFRSQRT Instruction
Source 1 and
Destination
Source 2
0
+/– Maximum Normal*
Normal
Normal *
Unsupported
Undefined *
Note:
*
The result has the same sign as the source operand.
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
21-9290 制造商:Tenma 功能描述:Soldering Iron Pencil 25W 制造商:TENMA 功能描述:PENCIL SOLDERING IRON 25 WATT
219-2-9344-1 制造商:Airpax 功能描述:CIRCUIT PROTECTOR HYD MAGNETIC 制造商:Sensata Technologies 功能描述:219-2-9344-1 /Pole # 2 /Prod Family: 0209
21-9295 制造商:Tenma 功能描述:Soldering Iron Pencil 45W 制造商:TENMA 功能描述:PENCIL SOLDERING IRON 40 WATT
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