II) Consider the following C language statement a b|25 Write the corresponding m
ID: 3746642 • Letter: I
Question
II) Consider the following C language statement a b|25 Write the corresponding minimal sequence of mnemonic machine language program. Assume that the value of "b"is in X9 and the value of"a” should be stored in X8. In order to show clearly that the new code is correct, show the table of execution of instructions with used register and memory location values until the code completes. Note the following: The piece of mnemonic machine language program you will write starts at 400000 Assume that X9 already has (6) 10.Explanation / Answer
Answer
400000 ORI X8, X9, 0x19
The ORI instruction performs the OR operation between the register X9 and immediate operand 0x19(hex value for 25).
It stores the result in the register X8.
The result 0x1F will be stored in the register X8 after the execution of the instruction.
Instruction PC X8 X9 ORI X8, X9, 0x19 400000 1F 6