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Platform-independent core collection
Commit f48cd0d7 authored by Alexis Marquet's avatar Alexis Marquet
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fix: skip constraints gen for optimized out destination pins

parent a9327d81
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tools/generate_cdc_constraints.tcl
View file @ f48cd0d7
......@@ -224,6 +224,10 @@ proc generate_gc_sync_word_constraints { f_out } {
set src_nets [get_nets -segments -of_objects $src_ff]
set dst_pins [get_pins -filter {DIRECTION==IN} -of_objects $src_nets]
if { "$dst_pins" == "" } {
puts "#WARNING: can't find destination pin for cell '$cell', it might have been optimized away"
continue
}
set dst_ff [get_cells -of_objects $dst_pins]
set clk [ get_clocks -of_objects [ get_pins -filter {REF_PIN_NAME=~C} -of $dst_ff ] ]
......
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