From: Eddie Hung <eddie@fpgeh.com>
Date: Tue, 9 Jul 2019 19:14:00 +0000 (-0700)
Subject: Increment _TECHMAP_BITS_CONNMAP_ by one since counting from zero
X-Git-Tag: working-ls180~1211^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c2db70f41e2697d141439c093813ae48f3b7a5d4;p=yosys.git

Increment _TECHMAP_BITS_CONNMAP_ by one since counting from zero
---

diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc
index ab0bd3b54..ceb053825 100644
--- a/passes/techmap/techmap.cc
+++ b/passes/techmap/techmap.cc
@@ -649,10 +649,13 @@ struct TechmapWorker
 									unique_bit_id[bit] = unique_bit_id_counter++;
 						}
 
+					// Find highest bit set
 					int bits = 0;
 					for (int i = 0; i < 32; i++)
 						if (((unique_bit_id_counter-1) & (1 << i)) != 0)
 							bits = i;
+					// Increment index by one to get number of bits
+					bits++;
 					if (tpl->avail_parameters.count("\\_TECHMAP_BITS_CONNMAP_"))
 						parameters["\\_TECHMAP_BITS_CONNMAP_"] = bits;