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warn when liberty timing is from output pin 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2022-09-18 16:26:31 -07:00
parent a48199d52d
commit ced5df610c
1 changed files with 10 additions and 0 deletions
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10
liberty/LibertyReader.cc
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@ -2266,6 +2266,8 @@ LibertyReader::makeTimingArcs(const char *from_port_name,
// one -> one // one -> one
if (from_port_iter.hasNext()) { if (from_port_iter.hasNext()) {
LibertyPort *from_port = from_port_iter.next(); LibertyPort *from_port = from_port_iter.next();
if (from_port->direction()->isOutput())
libWarn(164, timing->line(), "timing group from output port.");
builder_->makeTimingArcs(cell_, from_port, to_port, builder_->makeTimingArcs(cell_, from_port, to_port,
related_out_port, timing->attrs()); related_out_port, timing->attrs());
} }
@ -2274,6 +2276,8 @@ LibertyReader::makeTimingArcs(const char *from_port_name,
// bus -> one // bus -> one
while (from_port_iter.hasNext()) { while (from_port_iter.hasNext()) {
LibertyPort *from_port = from_port_iter.next(); LibertyPort *from_port = from_port_iter.next();
if (from_port->direction()->isOutput())
libWarn(165, timing->line(), "timing group from output port.");
builder_->makeTimingArcs(cell_, from_port, to_port, builder_->makeTimingArcs(cell_, from_port, to_port,
related_out_port, timing->attrs()); related_out_port, timing->attrs());
} }
@ -2282,6 +2286,8 @@ LibertyReader::makeTimingArcs(const char *from_port_name,
// one -> bus // one -> bus
if (from_port_iter.hasNext()) { if (from_port_iter.hasNext()) {
LibertyPort *from_port = from_port_iter.next(); LibertyPort *from_port = from_port_iter.next();
if (from_port->direction()->isOutput())
libWarn(165, timing->line(), "timing group from output port.");
LibertyPortMemberIterator bit_iter(to_port); LibertyPortMemberIterator bit_iter(to_port);
while (bit_iter.hasNext()) { while (bit_iter.hasNext()) {
LibertyPort *to_port_bit = bit_iter.next(); LibertyPort *to_port_bit = bit_iter.next();
@ -2298,6 +2304,8 @@ LibertyReader::makeTimingArcs(const char *from_port_name,
while (from_port_iter.hasNext() && to_iter.hasNext()) { while (from_port_iter.hasNext() && to_iter.hasNext()) {
LibertyPort *from_port_bit = from_port_iter.next(); LibertyPort *from_port_bit = from_port_iter.next();
LibertyPort *to_port_bit = to_iter.next(); LibertyPort *to_port_bit = to_iter.next();
if (from_port_bit->direction()->isOutput())
libWarn(166, timing->line(), "timing group from output port.");
builder_->makeTimingArcs(cell_, from_port_bit, to_port_bit, builder_->makeTimingArcs(cell_, from_port_bit, to_port_bit,
related_out_port, timing->attrs()); related_out_port, timing->attrs());
} }
@ -2311,6 +2319,8 @@ LibertyReader::makeTimingArcs(const char *from_port_name,
else { else {
while (from_port_iter.hasNext()) { while (from_port_iter.hasNext()) {
LibertyPort *from_port_bit = from_port_iter.next(); LibertyPort *from_port_bit = from_port_iter.next();
if (from_port_bit->direction()->isOutput())
libWarn(167, timing->line(), "timing group from output port.");
LibertyPortMemberIterator to_iter(to_port); LibertyPortMemberIterator to_iter(to_port);
while (to_iter.hasNext()) { while (to_iter.hasNext()) {
LibertyPort *to_port_bit = to_iter.next(); LibertyPort *to_port_bit = to_iter.next();