參數(shù)資料
型號: 20726
英文描述: 3DNow!? Technology Manual AMD-K6 Processor Multimedia Technology
中文描述: 3DNow???技術(shù)手冊的AMD - K6處理器多媒體技術(shù)
文件頁數(shù): 96/120頁
文件大?。?/td> 1284K
代理商: 20726
90
MMX Instruction Set
AMD-K6 MMX Enhanced Processor Multimedia Technology
20726D/0—January 2000
Preliminary Information
Functional Illustration of the PSUBSW Instruction
The following list explains the functional illustration of the PSUBSW instruction:
I
The signed 16-bit negative value D320h is subtracted from the signed 16-bit
positive value 5321h, and the result saturates to 7FFFh because it is greater than
7FFFh, the largest possible signed 16-bit value.
The signed 16-bit positive value 0FF9h is subtracted from the signed 16-bit
negative value 8007h, and the result saturates to 8000h because it is less than
8000h, the smallest possible signed 16-bit value.
The remaining operations are simple signed subtraction with no saturation.
I
I
Related Instructions
See the PSUBB instruction.
See the PSUBD instruction.
See the PSUBW instruction.
See the PSUBSB instruction.
See the PSUBUSB instruction.
See the PSUBUSW instruction.
=
=
=
=
mmreg2/mem64
mmreg1
mmreg1
FFFFh
D250h
FFFFh
0000h
8007h
0FF9h
8000h
5321h
D320h
7FFFh
8807h
4A49h
63
63
63
0
0
0
Indicates a saturated value
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