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authorClifford Wolf <clifford@clifford.at>2019-09-05 13:51:53 +0200
committerClifford Wolf <clifford@clifford.at>2019-09-05 13:51:53 +0200
commit30f1ac7ce9c44ac5cbd4ad7e389264246a1e3306 (patch)
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Rename conflicting wires on flatten/techmap, add "hierconn" attribute, fixes #1220
Signed-off-by: Clifford Wolf <clifford@clifford.at>
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@@ -332,6 +332,9 @@ Verilog Attributes and non-standard features
that represent module parameters or localparams (when the HDL front-end
is run in ``-pwires`` mode).
+- Wires marked with the ``hierconn`` attribute are connected to wires with the
+ same name when they are imported from sub-modules by ``flatten``.
+
- The ``clkbuf_driver`` attribute can be set on an output port of a blackbox
module to mark it as a clock buffer output, and thus prevent ``clkbufmap``
from inserting another clock buffer on a net driven by such output.