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'