Fix bug with repeated writing to memory.

data61 · Nov 26, 2024 · 8a4b029 · 8a4b029
1 parent 5acfb3a
commit 8a4b029
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/Compiler/allocator.py b/Compiler/allocator.py
@@ -489,7 +489,11 @@ def handle_mem_access(addr, reg_type, last_access_this_kind,
                 if this[-1] < other[0]:
                     del this[:]
             this.append(n)
-            for inst in other:
+            if last_access_this_kind == last_mem_write_of:
+                insts = itertools.chain(other, this)
+            else:
+                insts = other
+            for inst in insts:
                 add_edge(inst, n)
 
         def mem_access(n, instr, last_access_this_kind, last_access_other_kind):