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VR4102 Datasheet(PDF) 563 Page - NEC

Part # VR4102
Description  64/32-bit Microprocessor
PDF  701 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

VR4102 Datasheet(HTML) 563 Page - NEC

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CHAPTER 27 CPU INSTRUCTION SET DETAILS
563
DADDIU
Doubleword Add Immediate Unsigned
DADDIU
rs
DADDIU
0 1 1 0 0 1
rt
immediate
31
26 25
21 20
16 15
0
65
5
16
Format:
DADDIU rt, rs, immediate
Description:
The 16-bit
immediate is sign-extended and added to the contents of general register rs to form the result. The
result is placed into general register
rt. No integer overflow exception occurs under any circumstances.
The only difference between this instruction and the DADDI instruction is that DADDIU never causes an overflow
exception.
This operation is only defined for the VR4102 operating in 64-bit mode. Execution of this instruction in 32-bit user
or supervisor mode causes a reserved instruction exception.
Operation:
64
T:
GPR [rt] <- GPR [rs] + (immediate15)
48 || immediate15...0
Exceptions:
Reserved instruction exception (VR4102 in 32-bit user mode, VR4102 in 32-bit supervisor mode)



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