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### To constrain purely combinational paths set_max_delay -from -to ### For the high fanout nets for which tree will be built and to get away from false loading violation set_ideal_net set_ideal_net ### In-order to constrain specific paths passing through the muxes, for example for the tool to ### concentrate on the functional-paths , specify case_analysis for functional paths. set_case_analysis #### If the design requirement is for area critical designs set_max_area 0 #### To prevent the tool from optimizing #set_dont_touch ####Mapping the RTL specific to the Targetted Technology Library #### The command means to map it , with scannable flop's, with high optimization possible, #### Area optimized for non-critical-paths as-well-as boundary paths optimized. compile -scan -map_effort high -area_effort high -boundary_optimization #### Save the database write -f db -h -o #### Set some variables for proper saving of verilog netlist file set verilogout_no_tri true set bus_naming_style [format "%s%s" "%s\[" "%d\"] write -f verilog -h -o ### Save the Used SDC(Synopsys Design Constraints file> write_sdc ###Report Generation report_constraints -all_violators -verbose ### Command to report all the violations report_area ### command to report the design area report_reference ### command to report the design details as per the sub-blocks ### A very powerful command to know the quality of the design constraints check_design ###Command to know the design Synopsys constraints continued in page 4 About Synopsys
Synopsys, Inc. (Nasdaq: SNPS) is a world leader in electronic design automation (EDA) software for semiconductor design. The company delivers technology-leading semiconductor design and verification platforms and IC manufacturing software products to the global electronics market, enabling the development and production of complex systems-on-chips (SoCs). Synopsys also provides intellectual property and design services to simplify the design process and accelerate time-to-market for its customers. Synopsys is headquartered in Mountain View, California, and has more than 60 offices located throughout North America, Europe, Japan and Asia. Visit Synopsys online at http://www.synopsys.com.
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