RTL: The Branch Instruction

• beq rs, rt, imm16

  
  
  • mem[PC] Fetch the instruction from memory
    
  • Cond <- R[rs] - R[rt] Calculate the branch condition
    
  • if (COND eq 0) Calculate the next instruction’s address
    • PC <- PC + 4 + ( SignExt(imm16) x 4 )
  • else
    • PC <- PC + 4

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