Index: libcfa/prelude/sync-builtins.cf
===================================================================
--- libcfa/prelude/sync-builtins.cf	(revision c41c18a6f127e0648fcb9e36b0a4d62fb62a9579)
+++ libcfa/prelude/sync-builtins.cf	(revision 02fdb8eb4c22b14a7fc7116a96f53d73dae71205)
@@ -323,4 +323,5 @@
 _Bool __sync_bool_compare_and_swap_16(volatile unsigned __int128 *, unsigned __int128, unsigned __int128,...);
 #endif
+forall(dtype T) _Bool __sync_bool_compare_and_swap(T * volatile *, T *, T*, ...);
 
 char __sync_val_compare_and_swap(volatile char *, char, char,...);
@@ -348,4 +349,5 @@
 unsigned __int128 __sync_val_compare_and_swap_16(volatile unsigned __int128 *, unsigned __int128, unsigned __int128,...);
 #endif
+forall(dtype T) T * __sync_val_compare_and_swap(T * volatile *, T *, T*,...);
 
 char __sync_lock_test_and_set(volatile char *, char,...);
@@ -434,39 +436,41 @@
 #endif
 
-char __atomic_exchange_n(volatile char *, volatile char *, int);
+char __atomic_exchange_n(volatile char *, char, int);
 char __atomic_exchange_1(volatile char *, char, int);
 void __atomic_exchange(volatile char *, volatile char *, volatile char *, int);
-signed char __atomic_exchange_n(volatile signed char *, volatile signed char *, int);
+signed char __atomic_exchange_n(volatile signed char *, signed char, int);
 signed char __atomic_exchange_1(volatile signed char *, signed char, int);
 void __atomic_exchange(volatile signed char *, volatile signed char *, volatile signed char *, int);
-unsigned char __atomic_exchange_n(volatile unsigned char *, volatile unsigned char *, int);
+unsigned char __atomic_exchange_n(volatile unsigned char *, unsigned char, int);
 unsigned char __atomic_exchange_1(volatile unsigned char *, unsigned char, int);
 void __atomic_exchange(volatile unsigned char *, volatile unsigned char *, volatile unsigned char *, int);
-signed short __atomic_exchange_n(volatile signed short *, volatile signed short *, int);
+signed short __atomic_exchange_n(volatile signed short *, signed short, int);
 signed short __atomic_exchange_2(volatile signed short *, signed short, int);
 void __atomic_exchange(volatile signed short *, volatile signed short *, volatile signed short *, int);
-unsigned short __atomic_exchange_n(volatile unsigned short *, volatile unsigned short *, int);
+unsigned short __atomic_exchange_n(volatile unsigned short *, unsigned short, int);
 unsigned short __atomic_exchange_2(volatile unsigned short *, unsigned short, int);
 void __atomic_exchange(volatile unsigned short *, volatile unsigned short *, volatile unsigned short *, int);
-signed int __atomic_exchange_n(volatile signed int *, volatile signed int *, int);
+signed int __atomic_exchange_n(volatile signed int *, signed int, int);
 signed int __atomic_exchange_4(volatile signed int *, signed int, int);
 void __atomic_exchange(volatile signed int *, volatile signed int *, volatile signed int *, int);
-unsigned int __atomic_exchange_n(volatile unsigned int *, volatile unsigned int *, int);
+unsigned int __atomic_exchange_n(volatile unsigned int *, unsigned int, int);
 unsigned int __atomic_exchange_4(volatile unsigned int *, unsigned int, int);
 void __atomic_exchange(volatile unsigned int *, volatile unsigned int *, volatile unsigned int *, int);
-signed long long int __atomic_exchange_n(volatile signed long long int *, volatile signed long long int *, int);
+signed long long int __atomic_exchange_n(volatile signed long long int *, signed long long int, int);
 signed long long int __atomic_exchange_8(volatile signed long long int *, signed long long int, int);
 void __atomic_exchange(volatile signed long long int *, volatile signed long long int *, volatile signed long long int *, int);
-unsigned long long int __atomic_exchange_n(volatile unsigned long long int *, volatile unsigned long long int *, int);
+unsigned long long int __atomic_exchange_n(volatile unsigned long long int *, unsigned long long int, int);
 unsigned long long int __atomic_exchange_8(volatile unsigned long long int *, unsigned long long int, int);
 void __atomic_exchange(volatile unsigned long long int *, volatile unsigned long long int *, volatile unsigned long long int *, int);
 #if defined(__SIZEOF_INT128__)
-signed __int128 __atomic_exchange_n(volatile signed __int128 *, volatile signed __int128 *, int);
+signed __int128 __atomic_exchange_n(volatile signed __int128 *, signed __int128, int);
 signed __int128 __atomic_exchange_16(volatile signed __int128 *, signed __int128, int);
 void __atomic_exchange(volatile signed __int128 *, volatile signed __int128 *, volatile signed __int128 *, int);
-unsigned __int128 __atomic_exchange_n(volatile unsigned __int128 *, volatile unsigned __int128 *, int);
+unsigned __int128 __atomic_exchange_n(volatile unsigned __int128 *, unsigned __int128, int);
 unsigned __int128 __atomic_exchange_16(volatile unsigned __int128 *, unsigned __int128, int);
 void __atomic_exchange(volatile unsigned __int128 *, volatile unsigned __int128 *, volatile unsigned __int128 *, int);
 #endif
+forall(dtype T) T * __atomic_exchange_n(T * volatile *, T *, int);
+forall(dtype T) void __atomic_exchange(T * volatile *, T * volatile *, T * volatile *, int);
 
 _Bool __atomic_load_n(const volatile _Bool *, int);
@@ -507,4 +511,6 @@
 void __atomic_load(const volatile unsigned __int128 *, volatile unsigned __int128 *, int);
 #endif
+forall(dtype T) T * __atomic_load_n(T * const volatile *, int);
+forall(dtype T) void __atomic_load(T * const volatile *, T **, int);
 
 _Bool __atomic_compare_exchange_n(volatile char *, char *, char, _Bool, int, int);
@@ -543,4 +549,6 @@
 _Bool __atomic_compare_exchange   (volatile unsigned __int128 *, unsigned __int128 *, unsigned __int128 *, _Bool, int, int);
 #endif
+forall(dtype T) _Bool __atomic_compare_exchange_n (T * volatile *, T **, T*, _Bool, int, int);
+forall(dtype T) _Bool __atomic_compare_exchange   (T * volatile *, T **, T**, _Bool, int, int);
 
 void __atomic_store_n(volatile _Bool *, _Bool, int);
@@ -581,4 +589,6 @@
 void __atomic_store(volatile unsigned __int128 *, unsigned __int128 *, int);
 #endif
+forall(dtype T) void __atomic_store_n(T * volatile *, T *, int);
+forall(dtype T) void __atomic_store(T * volatile *, T **, int);
 
 char __atomic_add_fetch  (volatile char *, char, int);