VERILOG048: “always_comb” should be used instead of “always @*”

Summary

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Reliability	Security	Maintainability	Code attribute	Effort to fix	Tags
-	-	MEDIUM	Consistency | Conventional	10min	synthesis, vscode, lowrisc, simulation, linter, deprecated

Description

Articles & blog posts

• lowRISC Verilog Coding Style Guide - Language Features - Preferred SystemVerilog Constructs

• SystemVerilog always_comb, always_ff. New and Improved

Noncompliant code example

always @(*) begin
  b <= a;
  c <= b;
end

always @* begin
  d <= f;
  e <= g;
end

Compliant solution

always_comb begin
  b <= a;
  c <= b;
end

always_comb begin
  d <= f;
  e <= g;
end

SystemVerilog always_comb should be used instead of Verilog always @* or always @(*).

Parameters

No parameters.