mop.r.17 May-be-operation 17 (1 source register) This instruction is defined by: Encoding Synopsis Unless redefined by another extension, this instruction simply writes 0 to X[xd]. The encoding allows future extensions to define it to read X[xs1], as well as write X[xd]. This is mop.r.17 from the MOP.R instruction family (n=17). Access M HS U VS VU Always Always Always Always Always Decode Variables Bits<5> xs1 = $encoding[19:15]; Bits<5> xd = $encoding[11:7]; Execution Pruned, XLEN == 64 Original X[xd] = 0; X[xd] = 0;