The Four Stages of Beq

• Ifetch: Instruction Fetch

  • Fetch the instruction from the Instruction Memory

• Reg/Dec: Registers Fetch and Instruction Decode

• Exec: ALU compares the two register operands

  • Adder calculates the branch target address

• Mem: If the registers we compared in the Exec stage are the same,

  • Write the branch target address into the PC

Cycle 1

Cycle 2

Cycle 3

Cycle 4

Beq

WrB

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