From d0b9b1bece9866fd7b0e153c991fc7e9b57a1efc Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Tue, 26 Mar 2019 14:51:35 +0100 Subject: [PATCH] Add "hdlname" attribute Signed-off-by: Clifford Wolf --- README.md | 3 +++ passes/hierarchy/uniquify.cc | 2 ++ 2 files changed, 5 insertions(+) diff --git a/README.md b/README.md index c5cd47707..4048ecbc7 100644 --- a/README.md +++ b/README.md @@ -315,6 +315,9 @@ Verilog Attributes and non-standard features - The ``dynports'' attribute is used by the Verilog front-end to mark modules that have ports with a width that depends on a parameter. +- The ``hdlname'' attribute is used by some passes to document the original + (HDL) name of a module when renaming a module. + - The ``keep`` attribute on cells and wires is used to mark objects that should never be removed by the optimizer. This is used for example for cells that have hidden connections that are not part of the netlist, such as IO pads. diff --git a/passes/hierarchy/uniquify.cc b/passes/hierarchy/uniquify.cc index c88ecd82e..e6154e94f 100644 --- a/passes/hierarchy/uniquify.cc +++ b/passes/hierarchy/uniquify.cc @@ -87,6 +87,8 @@ struct UniquifyPass : public Pass { smod->name = newname; cell->type = newname; smod->set_bool_attribute("\\unique"); + if (smod->attributes.count("\\hdlname") == 0) + smod->attributes["\\hdlname"] = string(log_id(tmod->name)); design->add(smod); did_something = true;