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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)： | 65/72頁 |
| 文件大小： | 845K |
| 代理商： | 21928 |
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Chapter 2
3DNow! Instruction Set
55
21928G/0—March 2000
3DNow! Technology Manual
Functional Illustration of the PMULHRW Instruction
The following list explains the functional illustration of the PMULHRW instruction:
I
The signed 16-bit negative value D250h (–2DB0h) is multiplied by the signed
16-bit negative value 8807h (–77F9h) to produce the signed 32-bit positive result
of 1569_4030h. 8000h is then added to the lower 16 bits to produce a final result of
1569_C030h. This rounding does not affect the final result of 1569h. The signed
high-order 16 bits of the result are stored in the destination operand.
The signed 16-bit positive value 5321h is multiplied by the signed 16-bit negative
value EC22h (–13DEh) to produce the signed 32-bit negative result of F98C_7662h
(–0673_899Eh). 8000h is then added to the lower 16 bits, producing a final result
of F98C_F662h. This rounding does not affect the final result of F98Ch. The
signed high-order 16 bits of the result are stored in the destination operand.
The signed 16-bit positive value 7007h is multiplied by the signed 16-bit positive
value 7FFEh to produce the signed 32-bit positive result of 3802_9FF2h. 8000h is
then added to the lower 16 bits to produce a final result of 3803_1FF2h. This result
has been rounded up. The signed high-order 16 bits of the result (3803h) are
stored in the destination operand.
The signed 16-bit negative value FFFFh (–1) is multiplied by the signed 16-bit
negative value FFFFh (–1) to produce the signed 32-bit positive result of
0000_0001h. 8000h is then added to the lower 16 bits to produce a final result of
0000_8001h. This rounding does not affect the final result of 0000h. The signed
high-order 16 bits of the result are stored in the destination operand.
I
I
I
=
=
=
=
mmreg2/mem64
mmreg1
mmreg1
FFFFh
D250h
FFFFh
0000h
7007h
7FFEh
3803h
5321h
EC22h
F98Ch
8807h
1569h
63
63
63
0
0
0
Indicates a value that was rounded-up
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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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