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Platform-independent core collection
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Platform-independent core collection
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f48cd0d7
Commit
f48cd0d7
authored
Sep 05, 2023
by
Alexis Marquet
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fix: skip constraints gen for optimized out destination pins
parent
a9327d81
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generate_cdc_constraints.tcl
tools/generate_cdc_constraints.tcl
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tools/generate_cdc_constraints.tcl
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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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