1 files changed, 35 insertions, 0 deletions
diff --git a/includes/compiler/InterferenceGraph.h b/includes/compiler/InterferenceGraph.h
index 588450c..8fa44a1 100644
--- a/includes/compiler/InterferenceGraph.h
+++ b/includes/compiler/InterferenceGraph.h
@@ -3,4 +3,39 @@
 
 #include "compiler/common.h"
 
+enum {
+    fSpilled = 1,
+    fPushed = 2,
+    fCoalesced = 4,
+    fCoalescedInto = 8,
+    fPairHigh = 0x10,
+    fPairLow = 0x20,
+    fIGNode40 = 0x40
+};
+
+#ifdef __MWERKS__
+#pragma options align=mac68k
+#endif
+typedef struct IGNode {
+    struct IGNode *next;
+    Object *spillTemporary;
+    PCode *instr8;
+    int spillCost;
+    short x10;
+    short x12;
+    short x14;
+    UInt16 flags;
+    short arraySize;
+    short array[1];
+} IGNode;
+#ifdef __MWERKS__
+#pragma options align=reset
+#endif
+
+extern IGNode **interferencegraph;
+extern Boolean coalesced_nregisters;
+
+extern int interferes(UInt32 a, UInt32 b);
+extern void buildinterferencegraph(Object *proc);
+
 #endif