| <h3 id='___fix_design'>fix_design</h3> |
| <pre>ECO command to fix the design in automatic ECO (LLM: automatic eco) |
| <b>Usage:</b> fix_design(@options); |
| @options: |
| -help: Print this information |
| -opt_set optimization_set: Patch optimization set, 0: area/timing 1: cell count, default 0 |
| -no_patch_opt: Disable patch optimization. Also see API set_no_patch_opt |
| -flatten: Enable flatten mode ECO. The default mode is hierarchical |
| -list_file the_list_file: The ECO point list file converted from RTL-to-RTL LEC result |
| The list file format: |
| inst u_def/u_sdef/state_reg_1_ |
| pin u_control/u_sreg/u_mem_128x24/A[0] |
| port PORT_READY_OUT |
| -iteration iteration_number: Fix design iteration by default 3 times. |
| The tool repeats the fix process until there is no non-equivalent points or iteration number reached |
| <b>Examples:</b> |
|
|
| #1. Fix design on module 'VIDEO_TOP' and its sub-modules |
| set_top('VIDEO_TOP'); |
| set_ignore_output("TEST_SO*"); |
| set_pin_constant("TEST_EN", 0); |
| fix_design; |
| save_session("this_eco"); |
| my $error = LEC; |
|
|
| #2. Do ECO in flatten mode |
| fix_design("-flatten"); |
|
|
| #3. Do ECO on points listed in the file |
| fix_design("-list_file", $list_file); |
| </pre> |