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use the formalized function in FPGA-SDC to identify direct connection

This commit is contained in:
tangxifan 2020-03-21 11:42:00 -06:00
parent 28123b8052
commit 8f35f191eb
1 changed files with 1 additions and 2 deletions
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3
openfpga/src/fpga_sdc/pnr_sdc_routing_writer.cpp
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@ -244,8 +244,7 @@ void print_pnr_sdc_constrain_cb_mux_timing(std::fstream& fp,
* Note: this MUST BE reconsidered if we do have OPIN connected to IPINs * Note: this MUST BE reconsidered if we do have OPIN connected to IPINs
* through a programmable multiplexer!!! * through a programmable multiplexer!!!
*/ */
if ( (1 == input_rr_nodes.size()) if (true == is_ipin_direct_connected_opin(rr_graph, output_rr_node)) {
&& (OPIN == rr_graph.node_type(input_rr_nodes[0])) ) {
return; return;
} }