xref: /XiangShan/src/main/scala/xiangshan/backend/fu/vector/utils/VecDataSplitModule.scala (revision 11ca0f73289c2fadc78042c8f1f2e6e2027038cc) 
1package xiangshan.backend.fu.vector.utils
2
3import chisel3._
4
5class VecDataSplitIO(inDataWidth: Int, outDataWidth: Int) extends Bundle {
6  val inVecData = Input(UInt(inDataWidth.W))
7  val outVec8b  = Output(Vec(inDataWidth /  8, UInt( 8.W)))
8  val outVec16b = Output(Vec(inDataWidth / 16, UInt(16.W)))
9  val outVec32b = Output(Vec(inDataWidth / 32, UInt(32.W)))
10  val outVec64b = Output(Vec(inDataWidth / 64, UInt(64.W)))
11}
12
13class VecDataSplitModule(inDataWidth: Int, outDataWidth: Int) extends Module {
14  val io = IO(new VecDataSplitIO(inDataWidth, outDataWidth))
15
16  private val inData = io.inVecData
17  private val vec8b  = Wire(Vec(inDataWidth /  8, UInt( 8.W)))
18  private val vec16b = Wire(Vec(inDataWidth / 16, UInt(16.W)))
19  private val vec32b = Wire(Vec(inDataWidth / 32, UInt(32.W)))
20  private val vec64b = Wire(Vec(inDataWidth / 64, UInt(64.W)))
21
22  vec8b  := inData.asTypeOf(vec8b)
23  vec16b := inData.asTypeOf(vec16b)
24  vec32b := inData.asTypeOf(vec32b)
25  vec64b := inData.asTypeOf(vec64b)
26
27  io.outVec64b.zip(vec64b).foreach { case(sink, source) => sink := source }
28  io.outVec32b.zip(vec32b).foreach { case(sink, source) => sink := source }
29  io.outVec16b.zip(vec16b).foreach { case(sink, source) => sink := source }
30  io.outVec8b .zip(vec8b) .foreach { case(sink, source) => sink := source }
31}
32