Unacceptable Example One - 2025.1 English - UG901

Vivado Design Suite User Guide: Synthesis (UG901)

Document ID
UG901
Release Date
2025-06-11
Version
2025.1 English

Do not mix blocking and non-blocking assignments for different bits of the same signal.

always @(in1)
begin
if (in2)
out1 = in1;

end else
out1 <= in2;