From: Clifford Wolf <clifford@clifford.at>
Date: Tue, 22 Aug 2017 11:04:33 +0000 (+0200)
Subject: Add hashlib support for hashing of pools
X-Git-Tag: yosys-0.8~337
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d3b3dd8e88383054f74a8301616770c76166a113;p=yosys.git

Add hashlib support for hashing of pools
---

diff --git a/kernel/hashlib.h b/kernel/hashlib.h
index 63ac956f2..df534ec1b 100644
--- a/kernel/hashlib.h
+++ b/kernel/hashlib.h
@@ -868,6 +868,13 @@ public:
 		return !operator==(other);
 	}
 
+	bool hash() const {
+		unsigned int hashval = mkhash_init;
+		for (auto &it : entries)
+			hashval ^= ops.hash(it.udata);
+		return hashval;
+	}
+
 	void reserve(size_t n) { entries.reserve(n); }
 	size_t size() const { return entries.size(); }
 	bool empty() const { return entries.empty(); }