Merge pull request #3290 from Pinata-Consulting/sdc-fix-invalid-start-point

Sdc fix invalid start point

Author: maliberty

flow/designs/asap7/mock-array/rules-base.json

@@ -48,23 +48,23 @@
         "compare": "<="
     },
     "finish__timing__setup__ws": {
-        "value": 0.0,
+        "value": -440.47,
         "compare": ">="
     },
     "finish__design__instance__area": {
         "value": 137967,
         "compare": "<="
     },
     "finish__timing__drv__setup_violation_count": {
-        "value": 536,
+        "value": 605,
         "compare": "<="
     },
     "finish__timing__drv__hold_violation_count": {
         "value": 100,
         "compare": "<="
     },
     "finish__timing__wns_percent_delay": {
-        "value": -10.0,
+        "value": -111.1,
         "compare": ">="
     }
 }

flow/platforms/asap7/constraints.sdc

@@ -70,15 +70,14 @@ set clk_port [get_ports $clk_port_name]
 create_clock -period $clk_period -waveform [list 0 [expr $clk_period / 2]] -name $clk_name $clk_port
 
 set non_clk_inputs [all_inputs -no_clocks]
-set all_register_outputs [get_pins -of_objects [all_registers] -filter {direction == output}]
 
 # Optimization targets: overconstrain by default and
 # leave refinements to a more design specific constraints.sdc file.
 #
 # Minimum time for io-io, io-reg, reg-io paths in macro is on
 # the order of 80ps for a small macro on ASAP7.
 set_max_delay [expr { [info exists in2reg_max] ? $in2reg_max : 80 }] -from $non_clk_inputs -to [all_registers]
-set_max_delay [expr { [info exists reg2out_max] ? $reg2out_max : 80 }] -from $all_register_outputs -to [all_outputs]
+set_max_delay [expr { [info exists reg2out_max] ? $reg2out_max : 80 }] -from [all_registers] -to [all_outputs]
 set_max_delay [expr { [info exists in2out_max] ? $in2out_max : 80 }] -from $non_clk_inputs -to [all_outputs]
 
 # This allows us to view the different groups