//## 16.3 Load and Store Instructions
//### Stack-Pointer-Based Loads and Stores

[wavedrom, ,svg]
....
{reg: [
  {bits: 2, name: 'op',     type: 8, attr: ['2','C2','C2','C2','C2','C2']},
  {bits: 5, name: 'imm',    type: 5, attr: ['5','offset[4:2|7:6]', 'offset[4:3|8:6]', 'offset[4|9:6]', 'offset[4:2|7:6]', 'offset[4:3|8:6]']},
  {bits: 5, name: 'rd',     type: 5, attr: ['5','dest≠0', 'dest≠0', 'dest≠0', 'dest', 'dest']},
  {bits: 1, name: 'imm',    type: 1, attr: ['1','offset[5]','offset[5]','offset[5]','offset[5]','offset[5]']},
  {bits: 3, name: 'funct3', type: 3, attr: ['3','C.LWSP', 'C.LDSP', 'C.LQSP', 'C.FLWSP', 'C.FLDSP']},
], config: {bits: 16}}
....