Adds PipelineSwitch entity and testbench

Introduces the PipelineSwitch component with configurable routing behavior based on input comparison modes. Implements modes such as "none", "or", "and", "xor", "equal", and others. Adds a comprehensive testbench to validate functionality across all supported modes.

project.cfg

@@ -29,9 +29,11 @@ VHDSOURCE += src/Pipeline_pb.vhd
 VHDSOURCE += src/PipelineController.vhd
 VHDSOURCE += src/PipelineRegister.vhd
 VHDSOURCE += src/PipelineFilter.vhd
+VHDSOURCE += src/PipelineSwitch.vhd
 
 # VHDTEST += tests/Pipeline_tb.vhd
-VHDTEST += tests/PipelineFilter_tb.vhd
+# VHDTEST += tests/PipelineFilter_tb.vhd
+VHDTEST += tests/PipelineSwitch_tb.vhd
 
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