From 7f3dc86ecd00a9ed5f5b7f09e02a6fe584259f79 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Sun, 27 Jul 2014 02:11:57 +0200
Subject: Added RTLIL::SigSpec move constructor and move assignment operator

---
 kernel/rtlil.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index f235b1de..97d01617 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -625,6 +625,21 @@ public:
 	SigSpec(std::vector<RTLIL::SigBit> bits);
 	SigSpec(std::set<RTLIL::SigBit> bits);
 
+	SigSpec(RTLIL::SigSpec &&other) {
+		width_ = other.width_;
+		hash_ = other.hash_;
+		chunks_.swap(other.chunks_);
+		bits_.swap(other.bits_);
+	}
+
+	const RTLIL::SigSpec &operator=(RTLIL::SigSpec &&other) {
+		width_ = other.width_;
+		hash_ = other.hash_;
+		chunks_.swap(other.chunks_);
+		bits_.swap(other.bits_);
+		return *this;
+	}
+
 	inline const std::vector<RTLIL::SigChunk> &chunks() const { pack(); return chunks_; }
 	inline const std::vector<RTLIL::SigBit> &bits() const { inline_unpack(); return bits_; }
 
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