addw Add word This instruction is defined by: Encoding Synopsis Add the 32-bit values in xs1 to xs2, and store the sign-extended result in xd. Any overflow is thrown away. 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 operand1 = sext(X[xs1], 31); XReg operand2 = sext(X[xs2], 31); X[xd] = sext(operand1 + operand2, 31); XReg operand1 = sext(X[xs1], 31); XReg operand2 = sext(X[xs2], 31); X[xd] = sext(operand1 + operand2, 31);