+++ /dev/null
-#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), \
- caa_cast_long_keep_sign(old), \
- caa_cast_long_keep_sign(_new), \
- sizeof(*(addr))))
-
-#ifdef __cplusplus
-}
-#endif
-
-#include <urcu/uatomic/generic.h>
-
-#endif /* _URCU_ARCH_UATOMIC_PPC_H */