From a97be0828a3998d1eb5128e8e24c75af2016f27b Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Tue, 22 Jul 2014 21:40:52 +0200
Subject: [PATCH] Removed RTLIL::SigChunk::compare()

---
 kernel/rtlil.cc | 29 +++++------------------------
 kernel/rtlil.h  |  1 -
 2 files changed, 5 insertions(+), 25 deletions(-)

diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 8058f69cf..937dcbce5 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -1382,6 +1382,7 @@ bool RTLIL::SigChunk::operator <(const RTLIL::SigChunk &other) const
 	if (wire && other.wire)
 		if (wire->name != other.wire->name)
 			return wire->name < other.wire->name;
+
 	if (wire != other.wire)
 		return wire < other.wire;
 
@@ -1391,10 +1392,7 @@ bool RTLIL::SigChunk::operator <(const RTLIL::SigChunk &other) const
 	if (width != other.width)
 		return width < other.width;
 
-	if (data.bits != other.data.bits)
-		return data.bits < other.data.bits;
-	
-	return false;
+	return data.bits < other.data.bits;
 }
 
 bool RTLIL::SigChunk::operator ==(const RTLIL::SigChunk &other) const
@@ -1566,28 +1564,11 @@ RTLIL::SigSpec RTLIL::SigSpec::optimized() const
 	return ret;
 }
 
-bool RTLIL::SigChunk::compare(const RTLIL::SigChunk &a, const RTLIL::SigChunk &b)
-{
-	if (a.wire != b.wire) {
-		if (a.wire == NULL || b.wire == NULL)
-			return a.wire < b.wire;
-		else if (a.wire->name != b.wire->name)
-			return a.wire->name < b.wire->name;
-		else
-			return a.wire < b.wire;
-	}
-	if (a.offset != b.offset)
-		return a.offset < b.offset;
-	if (a.width != b.width)
-		return a.width < b.width;
-	return a.data.bits < b.data.bits;
-}
-
 void RTLIL::SigSpec::sort()
 {
 	pack();
 	expand();
-	std::sort(chunks_.begin(), chunks_.end(), RTLIL::SigChunk::compare);
+	std::sort(chunks_.begin(), chunks_.end());
 	optimize();
 }
 
@@ -1595,11 +1576,11 @@ void RTLIL::SigSpec::sort_and_unify()
 {
 	pack();
 	expand();
-	std::sort(chunks_.begin(), chunks_.end(), RTLIL::SigChunk::compare);
+	std::sort(chunks_.begin(), chunks_.end());
 	for (size_t i = 1; i < chunks_.size(); i++) {
 		RTLIL::SigChunk &ch1 = chunks_[i-1];
 		RTLIL::SigChunk &ch2 = chunks_[i];
-		if (!RTLIL::SigChunk::compare(ch1, ch2) && !RTLIL::SigChunk::compare(ch2, ch1)) {
+		if (ch1 == ch2) {
 			chunks_.erase(chunks_.begin()+i);
 			width_ -= chunks_[i].width;
 			i--;
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index 1d84dd3bb..facd43db4 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -470,7 +470,6 @@ struct RTLIL::SigChunk {
 	bool operator <(const RTLIL::SigChunk &other) const;
 	bool operator ==(const RTLIL::SigChunk &other) const;
 	bool operator !=(const RTLIL::SigChunk &other) const;
-	static bool compare(const RTLIL::SigChunk &a, const RTLIL::SigChunk &b);
 };
 
 struct RTLIL::SigBit {
-- 
2.30.2