c := v.copyIntoWithXPos(s.curBlock, pos)
		c.OnWasmStack = true
		s.setOrig(c, v)
		return c
	}
	if v.OnWasmStack {
		return v
	}

	vi := &s.values[v.ID]
	pos = pos.WithNotStmt()
	// Check if v is already in a requested register.
	if mask&vi.regs != 0 {
		r := pickReg(mask & vi.regs)
		if s.regs[r].v != v || s.regs[r].c == nil {
			panic("bad register state")
		}
		if nospill {

							// line to appear in more than one block, but only one block is stored, so if both end
							// up here, then one will be lost.
							pendingLines.set(a.Pos, int32(a.Block.ID))
						}
						a.Pos = a.Pos.WithNotStmt()
					}
					vchange = true
					for a.Uses == 0 {
						b := a.Args[0]
						a.reset(OpInvalid)
						a = b
					}
				}
				if vchange && debug > 1 {

	p = pp.Append(p, storeByType(t), obj.TYPE_REG, reg, 0, obj.TYPE_MEM, 0, n.FrameOffset()+off)
	p.To.Name = obj.NAME_PARAM
	p.To.Sym = n.Linksym()
	p.Pos = p.Pos.WithNotStmt()
	return p