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Allow division and modulo operations on fixed-width bit (unsinged) types #1414

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Allow division and modulo operations on fixed-width bit (unsinged) types #1414

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d476490
Allow division and modulo for fixed-width bit types
jaehyun1ee May 27, 2026
66a9862
drop 'positive' from div/mod for bit<w> types
jaehyun1ee Jul 6, 2026
bd811ec
add constraint on div/mod denominator
jaehyun1ee Jul 6, 2026
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7 changes: 7 additions & 0 deletions p4-16/spec/P4-16-spec.adoc
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Expand Up @@ -3636,6 +3636,13 @@ to bit-strings of the same width:
and is computed by truncating the result to the output's width.
P4 architectures may impose additional restrictions --- e.g., they may only
allow multiplication by a non-negative integer power of two.
* Truncating integer division, denoted by `/`.
The denominator must be positive.
The result has the same width as the operands. Similar to multiplication,
P4 architectures may impose additional restrictions.
* Modulo between positive values, denoted by `%`.
The result has the same width as the operands. Similar to multiplication,
P4 architectures may impose additional restrictions.
* Bitwise "and" between two bit-strings of the same width, denoted by `&`.
* Bitwise "or" between two bit-strings of the same width, denoted by `|`.
* Bitwise "complement" of a single bit-string, denoted by `~`.
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