Using Conversion Functions - 2023.2 English

Vivado Design Suite User Guide: Synthesis (UG901)

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2023.2 English

Use the following syntax to call $signed and $unsigned system tasks on any expression.

$signed(expr) or $unsigned(expr)
  • The return value from these calls is the same size as the input value.
  • The sign of the return value is forced regardless of any previous sign.