target: ld a0, (a0) # 'Cl' ld a0, 0(a0) # 'Cl' sd a0, (a0) # 'Cl' sd a0, 0(a0) # 'Cl' ld a0, (sp) # 'Cn' ld a0, 0(sp) # 'Cn' sd a0, (sp) # 'CN' sd a0, 0(sp) # 'CN'