From 75c1f8d241d67ebb6db56516b4f9fdb0a312aa0b Mon Sep 17 00:00:00 2001
From: Aman Goel <amangoel@umich.edu>
Date: Mon, 10 Sep 2018 21:44:36 -0400
Subject: Minor revision to -expose in setundef pass
Adds default value option as -undef when -expose used. Not having set the value mode set can cause the setundef pass to abort.
---
passes/cmds/setundef.cc | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/passes/cmds/setundef.cc b/passes/cmds/setundef.cc
index 62d940ce6..a1dfa9b5c 100644
--- a/passes/cmds/setundef.cc
+++ b/passes/cmds/setundef.cc
@@ -162,7 +162,6 @@ struct SetundefPass : public Pass {
continue;
}
if (args[argidx] == "-expose") {
- got_value = true;
expose_mode = true;
continue;
}
@@ -212,6 +211,13 @@ struct SetundefPass : public Pass {
}
extra_args(args, argidx, design);
+ if (!got_value && expose_mode) {
+ log("Using default as -undef with -expose.\n");
+ got_value = true;
+ worker.next_bit_mode = MODE_UNDEF;
+ worker.next_bit_state = 0;
+ }
+
if (expose_mode && !undriven_mode)
log_cmd_error("Option -expose must be used with option -undriven.\n");
if (!got_value)
--
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