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Describe the general syntax of MIPS arithmetic and logical operations which make use of a constant...

Describe the general syntax of MIPS arithmetic and logical operations which make use of a constant not directly associated with a register.

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Answer #1

MIPS instructions that uses constant .
for example
(1)ADDI rt, rs, immediate
operands : rt, rs, immediate
syntax : rt <- rs + immediate
Description:
The 16-bit signed immediate is added to the 32-bit value in General Purpose Register rs to produce a 32-bit result. If the addition results in 32-bit 2's complement arithmetic overflow then the destination register is not modified and an Integer Overflow exception occurs. If it does not overflow, the 32-bit result is placed into General Purpose Register rt.


(2)ANDI rt, rs, immediate
To do a bitwise logical AND with a constant.
operands : rt, rs, immediate
syntax : rt <- rs AND immediate

Description:
rt <- rs AND immediate
The 16-bit immediate is zero-extended to the left and combined with the contents of General Purpose Register rs in a bitwise logical AND operation. The result is placed into General Purpose Register rt.

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