diff --git a/src/compiler/codegen/Ralloc.h b/src/compiler/codegen/Ralloc.h
index e343ec5..fee0e9a 100644
--- a/src/compiler/codegen/Ralloc.h
+++ b/src/compiler/codegen/Ralloc.h
@@ -232,6 +232,7 @@
 
 extern void oatDoPromotion(CompilationUnit* cUnit);
 extern int oatVRegOffset(CompilationUnit* cUnit, int reg);
+extern int oatSRegOffset(CompilationUnit* cUnit, int reg);
 extern void oatDumpCoreRegPool(CompilationUnit* cUint);
 extern void oatDumpFPRegPool(CompilationUnit* cUint);
 extern bool oatCheckCorePoolSanity(CompilationUnit* cUnit);