dsp_in_registered test

Test for “DSP style” block with all inputs registered.

The tests use model from fig42-dff and dsp_combinational tests.

Detection of combinational connections

• [ ] output has combinational connection with input
• [ ] pack_pattern defined on wire connections with pack attribute

Blackbox detection

• [ ] model of the leaf pb_type is generated
• [ ] leaf pb_type XML is generated
• [ ] all dependency models and pb_types are included in the output files