Index: /trunk/src/VBox/VMM/include/IEMInternal.h
===================================================================
--- /trunk/src/VBox/VMM/include/IEMInternal.h	(revision 37084)
+++ /trunk/src/VBox/VMM/include/IEMInternal.h	(revision 37085)
@@ -501,4 +501,17 @@
 /** @}  */
 
+/** @name Exchange and add operations.
+ * @{ */
+IEM_DECL_IMPL_DEF(void, iemAImpl_xadd_u8, (uint8_t  *pu8Dst,  uint8_t  *pu8Reg,  uint32_t *pEFlags));
+IEM_DECL_IMPL_DEF(void, iemAImpl_xadd_u16,(uint16_t *pu16Dst, uint16_t *pu16Reg, uint32_t *pEFlags));
+IEM_DECL_IMPL_DEF(void, iemAImpl_xadd_u32,(uint32_t *pu32Dst, uint32_t *pu32Reg, uint32_t *pEFlags));
+IEM_DECL_IMPL_DEF(void, iemAImpl_xadd_u64,(uint64_t *pu64Dst, uint64_t *pu64Reg, uint32_t *pEFlags));
+IEM_DECL_IMPL_DEF(void, iemAImpl_xadd_u8_locked, (uint8_t  *pu8Dst,  uint8_t  *pu8Reg,  uint32_t *pEFlags));
+IEM_DECL_IMPL_DEF(void, iemAImpl_xadd_u16_locked,(uint16_t *pu16Dst, uint16_t *pu16Reg, uint32_t *pEFlags));
+IEM_DECL_IMPL_DEF(void, iemAImpl_xadd_u32_locked,(uint32_t *pu32Dst, uint32_t *pu32Reg, uint32_t *pEFlags));
+IEM_DECL_IMPL_DEF(void, iemAImpl_xadd_u64_locked,(uint64_t *pu64Dst, uint64_t *pu64Reg, uint32_t *pEFlags));
+
+/** @}  */
+
 /** @name Double precision shifts
  * @{ */