sub Subtract This instruction is defined by: Encoding Synopsis Subtract the value in xs2 from xs1, and store the result in xd Access M HS U VS VU Always Always Always Always Always Decode Variables Bits<5> xs2 = $encoding[24:20]; Bits<5> xs1 = $encoding[19:15]; Bits<5> xd = $encoding[11:7]; Execution Pruned, XLEN == 64 Original XReg t0 = X[xs1]; XReg t1 = X[xs2]; X[xd] = t0 - t1; XReg t0 = X[xs1]; XReg t1 = X[xs2]; X[xd] = t0 - t1;