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            • Vl-modulelist-selresolve
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  • Transforms

Selresolve

Simplification of select expressions, e.g., mywire[3-1].

It is sometimes useful to statically evaluate indexes into wires and registers, particularly to deal with the results of unparameterization. For instance,

wire a_msb = abus[width-1];

May have been converted into something like:

wire a_msb = abus[6-1];

And in this case it is much nicer to statically resolve this and know that we are talking about bit 5 rather than to treat it as a dynamic bit select. It is also here that we deal with resolving multiplicities on replication (multiple concatenation) operations.

See also the rangeresolve transform.

Subtopics

Vl-modulelist-selresolve
(vl-modulelist-selresolve x ss) maps vl-module-selresolve across a list.
Vl-op-selresolve
Non-recursively resolve indices on a single select, or the multiplicity of a single multiconcat.
Vl-expr-selresolve
Recursively simplify indices on selects and multiplicities on multiconcats throughout an expression.
Vl-namedparamvaluelist-selresolve
Vl-maybe-delayoreventcontrol-selresolve
Vl-repeateventcontrol-selresolve
Vl-paramvaluelist-selresolve
Vl-delayoreventcontrol-selresolve
Vl-plainarglist-selresolve
Vl-namedarglist-selresolve
Vl-gateinstlist-selresolve
Vl-namedparamvalue-selresolve
Vl-modinstlist-selresolve
Vl-maybe-paramvalue-selresolve
Vl-initiallist-selresolve
Vl-fundecllist-selresolve
Vl-eventcontrol-selresolve
Vl-evatomlist-selresolve
Vl-delaycontrol-selresolve
Vl-assignlist-selresolve
Vl-alwayslist-selresolve
Vl-portlist-selresolve
Vl-paramargs-selresolve
Vl-arguments-selresolve
Vl-paramvalue-selresolve
Vl-modinst-selresolve
Vl-maybe-expr-selresolve
Vl-plainarg-selresolve
Vl-namedarg-selresolve
Vl-initial-selresolve
Vl-gateinst-selresolve
Vl-fundecl-selresolve
Vl-assign-selresolve
Vl-port-selresolve
Vl-evatom-selresolve
Vl-always-selresolve
Vl-module-selresolve
Vl-design-selresolve