1 files changed, 6 insertions, 46 deletions

diff --git a/ice40/archdefs.h b/ice40/archdefs.h
index c2b7019c..6ef5432f 100644
--- a/ice40/archdefs.h
+++ b/ice40/archdefs.h
@@ -20,9 +20,8 @@
 #ifndef ICE40_ARCHDEFS_H
 #define ICE40_ARCHDEFS_H
 
-#include <boost/functional/hash.hpp>
-
 #include "base_clusterinfo.h"
+#include "hashlib.h"
 #include "idstring.h"
 #include "nextpnr_namespaces.h"
 
@@ -55,6 +54,7 @@ struct BelId
     bool operator==(const BelId &other) const { return index == other.index; }
     bool operator!=(const BelId &other) const { return index != other.index; }
     bool operator<(const BelId &other) const { return index < other.index; }
+    unsigned int hash() const { return index; }
 };
 
 struct WireId
@@ -64,6 +64,7 @@ struct WireId
     bool operator==(const WireId &other) const { return index == other.index; }
     bool operator!=(const WireId &other) const { return index != other.index; }
     bool operator<(const WireId &other) const { return index < other.index; }
+    unsigned int hash() const { return index; }
 };
 
 struct PipId
@@ -73,6 +74,7 @@ struct PipId
     bool operator==(const PipId &other) const { return index == other.index; }
     bool operator!=(const PipId &other) const { return index != other.index; }
     bool operator<(const PipId &other) const { return index < other.index; }
+    unsigned int hash() const { return index; }
 };
 
 struct GroupId
@@ -96,6 +98,7 @@ struct GroupId
 
     bool operator==(const GroupId &other) const { return (type == other.type) && (x == other.x) && (y == other.y); }
     bool operator!=(const GroupId &other) const { return (type != other.type) || (x != other.x) || (y == other.y); }
+    unsigned int hash() const { return mkhash(mkhash(x, y), int(type)); }
 };
 
 struct DecalId
@@ -113,6 +116,7 @@ struct DecalId
 
     bool operator==(const DecalId &other) const { return (type == other.type) && (index == other.index); }
     bool operator!=(const DecalId &other) const { return (type != other.type) || (index != other.index); }
+    unsigned int hash() const { return mkhash(index, int(type)); }
 };
 
 struct ArchNetInfo
@@ -159,48 +163,4 @@ typedef IdString ClusterId;
 
 NEXTPNR_NAMESPACE_END
 
-namespace std {
-template <> struct hash<NEXTPNR_NAMESPACE_PREFIX BelId>
-{
-    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX BelId &bel) const noexcept { return hash<int>()(bel.index); }
-};
-
-template <> struct hash<NEXTPNR_NAMESPACE_PREFIX WireId>
-{
-    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX WireId &wire) const noexcept
-    {
-        return hash<int>()(wire.index);
-    }
-};
-
-template <> struct hash<NEXTPNR_NAMESPACE_PREFIX PipId>
-{
-    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX PipId &pip) const noexcept { return hash<int>()(pip.index); }
-};
-
-template <> struct hash<NEXTPNR_NAMESPACE_PREFIX GroupId>
-{
-    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX GroupId &group) const noexcept
-    {
-        std::size_t seed = 0;
-        boost::hash_combine(seed, hash<int>()(group.type));
-        boost::hash_combine(seed, hash<int>()(group.x));
-        boost::hash_combine(seed, hash<int>()(group.y));
-        return seed;
-    }
-};
-
-template <> struct hash<NEXTPNR_NAMESPACE_PREFIX DecalId>
-{
-    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX DecalId &decal) const noexcept
-    {
-        std::size_t seed = 0;
-        boost::hash_combine(seed, hash<int>()(decal.type));
-        boost::hash_combine(seed, hash<int>()(decal.index));
-        return seed;
-    }
-};
-
-} // namespace std
-
 #endif /* ICE40_ARCHDEFS_H */