Headers: move uatomic_*.h to urcu/uatomic/*.h, rename uatomic_arch.h to uatomic.h

[urcu.git] / urcu / uatomic_arch_sparc64.h

diff --git a/urcu/uatomic_arch_sparc64.h b/urcu/uatomic_arch_sparc64.h
deleted file mode 100644 (file)
index 082c847..0000000
--- a/urcu/uatomic_arch_sparc64.h
+++ /dev/null
@@ -1,80 +0,0 @@
-#ifndef _URCU_ARCH_UATOMIC_SPARC64_H
-#define _URCU_ARCH_UATOMIC_SPARC64_H
-
-/* 
- * Copyright (c) 1991-1994 by Xerox Corporation.  All rights reserved.
- * Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.
- * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved.
- * Copyright (c) 2009      Mathieu Desnoyers
- *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
- *
- * Permission is hereby granted to use or copy this program
- * for any purpose,  provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- *
- * Code inspired from libuatomic_ops-1.2, inherited in part from the
- * Boehm-Demers-Weiser conservative garbage collector.
- */
-
-#include <urcu/compiler.h>
-#include <urcu/system.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif 
-
-/* cmpxchg */
-
-static inline __attribute__((always_inline))
-unsigned long _uatomic_cmpxchg(void *addr, unsigned long old,
-                             unsigned long _new, int len)
-{
-       switch (len) {
-       case 4:
-       {
-               __asm__ __volatile__ (
-                       "membar #StoreLoad | #LoadLoad\n\t"
-                        "cas [%1],%2,%0\n\t"
-                        "membar #StoreLoad | #StoreStore\n\t"
-                        : "+&r" (_new)
-                        : "r" (addr), "r" (old)
-                        : "memory");
-
-               return _new;
-       }
-#if (CAA_BITS_PER_LONG == 64)
-       case 8:
-       {
-               __asm__ __volatile__ (
-                       "membar #StoreLoad | #LoadLoad\n\t"
-                        "casx [%1],%2,%0\n\t"
-                        "membar #StoreLoad | #StoreStore\n\t"
-                        : "+&r" (_new)
-                        : "r" (addr), "r" (old)
-                        : "memory");
-
-               return _new;
-       }
-#endif
-       }
-       __builtin_trap();
-       return 0;
-}
-
-
-#define uatomic_cmpxchg(addr, old, _new)                                   \
-       ((__typeof__(*(addr))) _uatomic_cmpxchg((addr), (unsigned long)(old),\
-                                               (unsigned long)(_new),      \
-                                               sizeof(*(addr))))
-
-#ifdef __cplusplus 
-}
-#endif
-
-#include <urcu/uatomic_generic.h>
-
-#endif /* _URCU_ARCH_UATOMIC_PPC_H */