addi Add immediate This instruction is defined by: Encoding Synopsis Adds an immediate value to the value in xs1, and store the result in xd Access M HS U VS VU Always Always Always Always Always Decode Variables signed Bits<12> imm = sext($encoding[31:20], 12); Bits<5> xs1 = $encoding[19:15]; Bits<5> xd = $encoding[11:7]; Execution Pruned, XLEN == 64 Original X[xd] = X[xs1] + $signed(imm); X[xd] = X[xs1] + $signed(imm);