/*
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
* Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved.
* Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P.
*
*
* 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.
*
*/
#if !defined(AO_GCC_HAVE_char_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED)
AO_INLINE unsigned/**/char
AO_char_load(const volatile unsigned/**/char *addr)
{
return __atomic_load_n(addr, __ATOMIC_RELAXED);
}
#define AO_HAVE_char_load
AO_INLINE unsigned/**/char
AO_char_load_acquire(const volatile unsigned/**/char *addr)
{
return __atomic_load_n(addr, __ATOMIC_ACQUIRE);
}
#define AO_HAVE_char_load_acquire
/* char_load_read is defined using load and nop_read. */
/* TODO: Map it to ACQUIRE. We should be strengthening the read and */
/* write stuff to the more general acquire/release versions. It almost */
/* never makes a difference and is much less error-prone. */
/* char_load_full is generalized using load and nop_full. */
/* TODO: Map it to SEQ_CST and clarify the documentation. */
/* TODO: Map load_dd_acquire_read to ACQUIRE. Ideally it should be */
/* mapped to CONSUME, but the latter is currently broken. */
/* char_store_full definition is omitted similar to load_full reason. */
/* TODO: Map store_write to RELEASE. */
#ifndef AO_SKIPATOMIC_char_store
AO_INLINE void
AO_char_store(volatile unsigned/**/char *addr, unsigned/**/char value)
{
__atomic_store_n(addr, value, __ATOMIC_RELAXED);
}
# define AO_HAVE_char_store
#endif
#ifndef AO_SKIPATOMIC_char_store_release
AO_INLINE void
AO_char_store_release(volatile unsigned/**/char *addr, unsigned/**/char value)
{
__atomic_store_n(addr, value, __ATOMIC_RELEASE);
}
# define AO_HAVE_char_store_release
#endif
#endif /* !AO_GCC_HAVE_char_SYNC_CAS || !AO_PREFER_GENERALIZED */
#ifdef AO_GCC_HAVE_char_SYNC_CAS
AO_INLINE unsigned/**/char
AO_char_fetch_compare_and_swap(volatile unsigned/**/char *addr,
unsigned/**/char old_val, unsigned/**/char new_val)
{
(void)__atomic_compare_exchange_n(addr,
&old_val /* p_expected */,
new_val /* desired */,
0 /* is_weak: false */,
__ATOMIC_RELAXED /* success */,
__ATOMIC_RELAXED /* failure */);
return old_val;
}
# define AO_HAVE_char_fetch_compare_and_swap
AO_INLINE unsigned/**/char
AO_char_fetch_compare_and_swap_acquire(volatile unsigned/**/char *addr,
unsigned/**/char old_val, unsigned/**/char new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
return old_val;
}
# define AO_HAVE_char_fetch_compare_and_swap_acquire
AO_INLINE unsigned/**/char
AO_char_fetch_compare_and_swap_release(volatile unsigned/**/char *addr,
unsigned/**/char old_val, unsigned/**/char new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELEASE,
__ATOMIC_RELAXED /* failure */);
return old_val;
}
# define AO_HAVE_char_fetch_compare_and_swap_release
AO_INLINE unsigned/**/char
AO_char_fetch_compare_and_swap_full(volatile unsigned/**/char *addr,
unsigned/**/char old_val, unsigned/**/char new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQ_REL,
__ATOMIC_ACQUIRE /* failure */);
return old_val;
}
# define AO_HAVE_char_fetch_compare_and_swap_full
# ifndef AO_GENERALIZE_ASM_BOOL_CAS
AO_INLINE int
AO_char_compare_and_swap(volatile unsigned/**/char *addr,
unsigned/**/char old_val, unsigned/**/char new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELAXED, __ATOMIC_RELAXED);
}
# define AO_HAVE_char_compare_and_swap
AO_INLINE int
AO_char_compare_and_swap_acquire(volatile unsigned/**/char *addr,
unsigned/**/char old_val, unsigned/**/char new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
}
# define AO_HAVE_char_compare_and_swap_acquire
AO_INLINE int
AO_char_compare_and_swap_release(volatile unsigned/**/char *addr,
unsigned/**/char old_val, unsigned/**/char new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELEASE,
__ATOMIC_RELAXED /* failure */);
}
# define AO_HAVE_char_compare_and_swap_release
AO_INLINE int
AO_char_compare_and_swap_full(volatile unsigned/**/char *addr,
unsigned/**/char old_val, unsigned/**/char new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQ_REL,
__ATOMIC_ACQUIRE /* failure */);
}
# define AO_HAVE_char_compare_and_swap_full
# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */
#endif /* AO_GCC_HAVE_char_SYNC_CAS */
/*
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
* Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved.
* Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P.
*
*
* 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.
*
*/
#if !defined(AO_GCC_HAVE_short_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED)
AO_INLINE unsigned/**/short
AO_short_load(const volatile unsigned/**/short *addr)
{
return __atomic_load_n(addr, __ATOMIC_RELAXED);
}
#define AO_HAVE_short_load
AO_INLINE unsigned/**/short
AO_short_load_acquire(const volatile unsigned/**/short *addr)
{
return __atomic_load_n(addr, __ATOMIC_ACQUIRE);
}
#define AO_HAVE_short_load_acquire
/* short_load_read is defined using load and nop_read. */
/* TODO: Map it to ACQUIRE. We should be strengthening the read and */
/* write stuff to the more general acquire/release versions. It almost */
/* never makes a difference and is much less error-prone. */
/* short_load_full is generalized using load and nop_full. */
/* TODO: Map it to SEQ_CST and clarify the documentation. */
/* TODO: Map load_dd_acquire_read to ACQUIRE. Ideally it should be */
/* mapped to CONSUME, but the latter is currently broken. */
/* short_store_full definition is omitted similar to load_full reason. */
/* TODO: Map store_write to RELEASE. */
#ifndef AO_SKIPATOMIC_short_store
AO_INLINE void
AO_short_store(volatile unsigned/**/short *addr, unsigned/**/short value)
{
__atomic_store_n(addr, value, __ATOMIC_RELAXED);
}
# define AO_HAVE_short_store
#endif
#ifndef AO_SKIPATOMIC_short_store_release
AO_INLINE void
AO_short_store_release(volatile unsigned/**/short *addr, unsigned/**/short value)
{
__atomic_store_n(addr, value, __ATOMIC_RELEASE);
}
# define AO_HAVE_short_store_release
#endif
#endif /* !AO_GCC_HAVE_short_SYNC_CAS || !AO_PREFER_GENERALIZED */
#ifdef AO_GCC_HAVE_short_SYNC_CAS
AO_INLINE unsigned/**/short
AO_short_fetch_compare_and_swap(volatile unsigned/**/short *addr,
unsigned/**/short old_val, unsigned/**/short new_val)
{
(void)__atomic_compare_exchange_n(addr,
&old_val /* p_expected */,
new_val /* desired */,
0 /* is_weak: false */,
__ATOMIC_RELAXED /* success */,
__ATOMIC_RELAXED /* failure */);
return old_val;
}
# define AO_HAVE_short_fetch_compare_and_swap
AO_INLINE unsigned/**/short
AO_short_fetch_compare_and_swap_acquire(volatile unsigned/**/short *addr,
unsigned/**/short old_val, unsigned/**/short new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
return old_val;
}
# define AO_HAVE_short_fetch_compare_and_swap_acquire
AO_INLINE unsigned/**/short
AO_short_fetch_compare_and_swap_release(volatile unsigned/**/short *addr,
unsigned/**/short old_val, unsigned/**/short new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELEASE,
__ATOMIC_RELAXED /* failure */);
return old_val;
}
# define AO_HAVE_short_fetch_compare_and_swap_release
AO_INLINE unsigned/**/short
AO_short_fetch_compare_and_swap_full(volatile unsigned/**/short *addr,
unsigned/**/short old_val, unsigned/**/short new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQ_REL,
__ATOMIC_ACQUIRE /* failure */);
return old_val;
}
# define AO_HAVE_short_fetch_compare_and_swap_full
# ifndef AO_GENERALIZE_ASM_BOOL_CAS
AO_INLINE int
AO_short_compare_and_swap(volatile unsigned/**/short *addr,
unsigned/**/short old_val, unsigned/**/short new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELAXED, __ATOMIC_RELAXED);
}
# define AO_HAVE_short_compare_and_swap
AO_INLINE int
AO_short_compare_and_swap_acquire(volatile unsigned/**/short *addr,
unsigned/**/short old_val, unsigned/**/short new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
}
# define AO_HAVE_short_compare_and_swap_acquire
AO_INLINE int
AO_short_compare_and_swap_release(volatile unsigned/**/short *addr,
unsigned/**/short old_val, unsigned/**/short new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELEASE,
__ATOMIC_RELAXED /* failure */);
}
# define AO_HAVE_short_compare_and_swap_release
AO_INLINE int
AO_short_compare_and_swap_full(volatile unsigned/**/short *addr,
unsigned/**/short old_val, unsigned/**/short new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQ_REL,
__ATOMIC_ACQUIRE /* failure */);
}
# define AO_HAVE_short_compare_and_swap_full
# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */
#endif /* AO_GCC_HAVE_short_SYNC_CAS */
/*
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
* Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved.
* Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P.
*
*
* 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.
*
*/
#if !defined(AO_GCC_HAVE_int_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED)
AO_INLINE unsigned
AO_int_load(const volatile unsigned *addr)
{
return __atomic_load_n(addr, __ATOMIC_RELAXED);
}
#define AO_HAVE_int_load
AO_INLINE unsigned
AO_int_load_acquire(const volatile unsigned *addr)
{
return __atomic_load_n(addr, __ATOMIC_ACQUIRE);
}
#define AO_HAVE_int_load_acquire
/* int_load_read is defined using load and nop_read. */
/* TODO: Map it to ACQUIRE. We should be strengthening the read and */
/* write stuff to the more general acquire/release versions. It almost */
/* never makes a difference and is much less error-prone. */
/* int_load_full is generalized using load and nop_full. */
/* TODO: Map it to SEQ_CST and clarify the documentation. */
/* TODO: Map load_dd_acquire_read to ACQUIRE. Ideally it should be */
/* mapped to CONSUME, but the latter is currently broken. */
/* int_store_full definition is omitted similar to load_full reason. */
/* TODO: Map store_write to RELEASE. */
#ifndef AO_SKIPATOMIC_int_store
AO_INLINE void
AO_int_store(volatile unsigned *addr, unsigned value)
{
__atomic_store_n(addr, value, __ATOMIC_RELAXED);
}
# define AO_HAVE_int_store
#endif
#ifndef AO_SKIPATOMIC_int_store_release
AO_INLINE void
AO_int_store_release(volatile unsigned *addr, unsigned value)
{
__atomic_store_n(addr, value, __ATOMIC_RELEASE);
}
# define AO_HAVE_int_store_release
#endif
#endif /* !AO_GCC_HAVE_int_SYNC_CAS || !AO_PREFER_GENERALIZED */
#ifdef AO_GCC_HAVE_int_SYNC_CAS
AO_INLINE unsigned
AO_int_fetch_compare_and_swap(volatile unsigned *addr,
unsigned old_val, unsigned new_val)
{
(void)__atomic_compare_exchange_n(addr,
&old_val /* p_expected */,
new_val /* desired */,
0 /* is_weak: false */,
__ATOMIC_RELAXED /* success */,
__ATOMIC_RELAXED /* failure */);
return old_val;
}
# define AO_HAVE_int_fetch_compare_and_swap
AO_INLINE unsigned
AO_int_fetch_compare_and_swap_acquire(volatile unsigned *addr,
unsigned old_val, unsigned new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
return old_val;
}
# define AO_HAVE_int_fetch_compare_and_swap_acquire
AO_INLINE unsigned
AO_int_fetch_compare_and_swap_release(volatile unsigned *addr,
unsigned old_val, unsigned new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELEASE,
__ATOMIC_RELAXED /* failure */);
return old_val;
}
# define AO_HAVE_int_fetch_compare_and_swap_release
AO_INLINE unsigned
AO_int_fetch_compare_and_swap_full(volatile unsigned *addr,
unsigned old_val, unsigned new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQ_REL,
__ATOMIC_ACQUIRE /* failure */);
return old_val;
}
# define AO_HAVE_int_fetch_compare_and_swap_full
# ifndef AO_GENERALIZE_ASM_BOOL_CAS
AO_INLINE int
AO_int_compare_and_swap(volatile unsigned *addr,
unsigned old_val, unsigned new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELAXED, __ATOMIC_RELAXED);
}
# define AO_HAVE_int_compare_and_swap
AO_INLINE int
AO_int_compare_and_swap_acquire(volatile unsigned *addr,
unsigned old_val, unsigned new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
}
# define AO_HAVE_int_compare_and_swap_acquire
AO_INLINE int
AO_int_compare_and_swap_release(volatile unsigned *addr,
unsigned old_val, unsigned new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELEASE,
__ATOMIC_RELAXED /* failure */);
}
# define AO_HAVE_int_compare_and_swap_release
AO_INLINE int
AO_int_compare_and_swap_full(volatile unsigned *addr,
unsigned old_val, unsigned new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQ_REL,
__ATOMIC_ACQUIRE /* failure */);
}
# define AO_HAVE_int_compare_and_swap_full
# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */
#endif /* AO_GCC_HAVE_int_SYNC_CAS */
/*
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
* Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved.
* Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P.
*
*
* 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.
*
*/
#if !defined(AO_GCC_HAVE_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED)
AO_INLINE AO_t
AO_load(const volatile AO_t *addr)
{
return __atomic_load_n(addr, __ATOMIC_RELAXED);
}
#define AO_HAVE_load
AO_INLINE AO_t
AO_load_acquire(const volatile AO_t *addr)
{
return __atomic_load_n(addr, __ATOMIC_ACQUIRE);
}
#define AO_HAVE_load_acquire
/* load_read is defined using load and nop_read. */
/* TODO: Map it to ACQUIRE. We should be strengthening the read and */
/* write stuff to the more general acquire/release versions. It almost */
/* never makes a difference and is much less error-prone. */
/* load_full is generalized using load and nop_full. */
/* TODO: Map it to SEQ_CST and clarify the documentation. */
/* TODO: Map load_dd_acquire_read to ACQUIRE. Ideally it should be */
/* mapped to CONSUME, but the latter is currently broken. */
/* store_full definition is omitted similar to load_full reason. */
/* TODO: Map store_write to RELEASE. */
#ifndef AO_SKIPATOMIC_store
AO_INLINE void
AO_store(volatile AO_t *addr, AO_t value)
{
__atomic_store_n(addr, value, __ATOMIC_RELAXED);
}
# define AO_HAVE_store
#endif
#ifndef AO_SKIPATOMIC_store_release
AO_INLINE void
AO_store_release(volatile AO_t *addr, AO_t value)
{
__atomic_store_n(addr, value, __ATOMIC_RELEASE);
}
# define AO_HAVE_store_release
#endif
#endif /* !AO_GCC_HAVE_SYNC_CAS || !AO_PREFER_GENERALIZED */
#ifdef AO_GCC_HAVE_SYNC_CAS
AO_INLINE AO_t
AO_fetch_compare_and_swap(volatile AO_t *addr,
AO_t old_val, AO_t new_val)
{
(void)__atomic_compare_exchange_n(addr,
&old_val /* p_expected */,
new_val /* desired */,
0 /* is_weak: false */,
__ATOMIC_RELAXED /* success */,
__ATOMIC_RELAXED /* failure */);
return old_val;
}
# define AO_HAVE_fetch_compare_and_swap
AO_INLINE AO_t
AO_fetch_compare_and_swap_acquire(volatile AO_t *addr,
AO_t old_val, AO_t new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
return old_val;
}
# define AO_HAVE_fetch_compare_and_swap_acquire
AO_INLINE AO_t
AO_fetch_compare_and_swap_release(volatile AO_t *addr,
AO_t old_val, AO_t new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELEASE,
__ATOMIC_RELAXED /* failure */);
return old_val;
}
# define AO_HAVE_fetch_compare_and_swap_release
AO_INLINE AO_t
AO_fetch_compare_and_swap_full(volatile AO_t *addr,
AO_t old_val, AO_t new_val)
{
(void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQ_REL,
__ATOMIC_ACQUIRE /* failure */);
return old_val;
}
# define AO_HAVE_fetch_compare_and_swap_full
# ifndef AO_GENERALIZE_ASM_BOOL_CAS
AO_INLINE int
AO_compare_and_swap(volatile AO_t *addr,
AO_t old_val, AO_t new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELAXED, __ATOMIC_RELAXED);
}
# define AO_HAVE_compare_and_swap
AO_INLINE int
AO_compare_and_swap_acquire(volatile AO_t *addr,
AO_t old_val, AO_t new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
}
# define AO_HAVE_compare_and_swap_acquire
AO_INLINE int
AO_compare_and_swap_release(volatile AO_t *addr,
AO_t old_val, AO_t new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_RELEASE,
__ATOMIC_RELAXED /* failure */);
}
# define AO_HAVE_compare_and_swap_release
AO_INLINE int
AO_compare_and_swap_full(volatile AO_t *addr,
AO_t old_val, AO_t new_val)
{
return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0,
__ATOMIC_ACQ_REL,
__ATOMIC_ACQUIRE /* failure */);
}
# define AO_HAVE_compare_and_swap_full
# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */
#endif /* AO_GCC_HAVE_SYNC_CAS */