sub Subtract This instruction is defined by: Encoding Synopsis Subtract the value in rs2 from rs1, and store the result in rd Access M HS U VS VU Always Always Always Always Always Decode Variables Bits<5> rs2 = $encoding[24:20]; Bits<5> rs1 = $encoding[19:15]; Bits<5> rd = $encoding[11:7]; Execution Pruned, XLEN == 64 Original XReg t0 = X[rs1]; XReg t1 = X[rs2]; X[rd] = t0 - t1; XReg t0 = X[rs1]; XReg t1 = X[rs2]; X[rd] = t0 - t1;