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chisel3.util

scanRightOr

object scanRightOr

Map each bit to the logical OR of itself and all bits with higher index

Here scanRight means "start from the right and iterate to the left, where right is the highest index", a common operation on arrays and lists.

Source
Bitwise.scala
Example: 

  1. scanRightOr("b00001000".U) // Returns "b00001111".U
scanRightOr("b00010100".U) // Returns "b00011111".U
scanRightOr("b00000000".U) // Returns "b00000000".U
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