(Since version chisel3, will be removed by end of 2017) use value.S(width)
(Since version chisel3, will be removed by end of 2017) use value.S
(Since version chisel3, will be removed by end of 2017) use value.S(width)
(Since version chisel3, will be removed by end of 2017) use value.S(width.W)
(Since version chisel3, will be removed by end of 2017) use value.S
(Since version chisel3, will be removed by end of 2017) use SInt(width)
(Since version chisel3, will be removed by end of 2017) use SInt(width.W)