vse64.v
Vector store 64-bit elements
Stores 64-bit elements from vector register vs3 to memory starting at address in xs1 register, using vector mask vm. The effective element width is 64 bits regardless of SEW setting.
Decode Variables
Bits<1> vm = $encoding[25];
Bits<5> xs1 = $encoding[19:15];
Bits<5> vs3 = $encoding[11:7];