arch.Ginsnop = ginsnop

	arch.SSAMarkMoves = func(s *ssagen.State, b *ssa.Block) {}
	arch.SSAGenValue = ssaGenValue
	arch.SSAGenBlock = ssaGenBlock
	arch.LoadRegResult = loadRegResult
	arch.SpillArgReg = spillArgReg

	arch.Ginsnop = ginsnop

	arch.SSAMarkMoves = func(s *ssagen.State, b *ssa.Block) {}
	arch.SSAGenValue = ssaGenValue
	arch.SSAGenBlock = ssaGenBlock
	arch.LoadRegResult = loadRegResult
	arch.SpillArgReg = spillArgReg

	// memory. Used in open-coded defer return path.
	LoadRegResult func(s *State, f *ssa.Func, t *types.Type, reg int16, n *ir.Name, off int64) *obj.Prog

	// SpillArgReg emits instructions that spill reg to n+off.
	SpillArgReg func(pp *objw.Progs, p *obj.Prog, f *ssa.Func, t *types.Type, reg int16, n *ir.Name, off int64) *obj.Prog

	p.From.Type = obj.TYPE_MEM
	p.From.Name = obj.NAME_AUTO
	p.From.Sym = n.Linksym()
	p.From.Offset = n.FrameOffset() + off
	p.To.Type = obj.TYPE_REG
	p.To.Reg = reg
	return p
}

func spillArgReg(pp *objw.Progs, p *obj.Prog, f *ssa.Func, t *types.Type, reg int16, n *ir.Name, off int64) *obj.Prog {
	p = pp.Append(p, storeByType(t), obj.TYPE_REG, reg, 0, obj.TYPE_MEM, 0, n.FrameOffset()+off)
	p.To.Name = obj.NAME_PARAM

					continue
				}
				if partLiveArgsSpilled[nameOff{n, offs[i]}] {
					continue // already spilled
				}
				reg := ssa.ObjRegForAbiReg(a.Registers[i], f.Config)
				p = Arch.SpillArgReg(pp, p, f, rts[i], reg, n, offs[i])
			}
		}
	}

	// Insert code to zero ambiguously live variables so that the
	// garbage collector only sees initialized values when it
	// looks for pointers.