sl@0: 
sl@0: // Currently, SUN CC requires object file
sl@0: 
sl@0: #if defined (__GNUC__)
sl@0: 
sl@0: /*
sl@0: **  int _STLP_atomic_exchange (__stl_atomic_t *pvalue, __stl_atomic_t value)
sl@0: */
sl@0:  
sl@0: # ifdef __sparc_v9__
sl@0: 
sl@0: #  ifdef __arch64__
sl@0: 
sl@0: #   define _STLP_EXCH_ASM  asm volatile ("casx [%3], %4, %0 ;  membar  #LoadLoad | #LoadStore " : \
sl@0:                    "=r" (_L_value2), "=m" (*_L_pvalue1) : \
sl@0:                    "m" (*_L_pvalue1), "r" (_L_pvalue1), "r" (_L_value1), "0" (_L_value2) )
sl@0: 
sl@0: #  else /* __arch64__ */
sl@0: 
sl@0: #   define _STLP_EXCH_ASM  asm volatile ("cas [%3], %4, %0" : \
sl@0:                    "=r" (_L_value2), "=m" (*_L_pvalue1) : \
sl@0:                    "m" (*_L_pvalue1), "r" (_L_pvalue1), "r" (_L_value1), "0" (_L_value2) )
sl@0: #  endif
sl@0: 
sl@0: # else /* __sparc_v9__ */
sl@0: 
sl@0: #  define _STLP_EXCH_ASM asm volatile ("swap [%3], %0 " : \
sl@0:                                        "=r" (_L_value2), "=m" (*_L_pvalue1) : \
sl@0:                                        "m" (*_L_pvalue1), "r" (_L_pvalue1),  "0" (_L_value2) )
sl@0: # endif
sl@0: 
sl@0: 
sl@0: #  define _STLP_ATOMIC_EXCHANGE(__pvalue1, __value2) \
sl@0:  ({  register volatile __stl_atomic_t *_L_pvalue1 = __pvalue1; \
sl@0:      register __stl_atomic_t _L_value1, _L_value2 =  __value2 ; \
sl@0:      do { _L_value1 = *_L_pvalue1; _STLP_EXCH_ASM; } while ( _L_value1 != _L_value2 ) ; \
sl@0:      _L_value1; })
sl@0: 
sl@0: #  define _STLP_ATOMIC_INCREMENT(__pvalue1) \
sl@0:  {  register volatile __stl_atomic_t *_L_pvalue1 = __pvalue1; \
sl@0:     register __stl_atomic_t _L_value1, _L_value2; \
sl@0:     do { _L_value1 = *_L_pvalue1;  _L_value2 = _L_value1+1; _STLP_EXCH_ASM; } while ( _L_value1 != _L_value2 ) ; }
sl@0: 
sl@0: #  define _STLP_ATOMIC_DECREMENT(__pvalue1) \
sl@0:  {  register volatile __stl_atomic_t *_L_pvalue1 = __pvalue1; \
sl@0:     register __stl_atomic_t _L_value1, _L_value2; \
sl@0:     do { _L_value1 = *_L_pvalue1;  _L_value2 = _L_value1-1; _STLP_EXCH_ASM; } while ( _L_value1 != _L_value2 ) ; }
sl@0: 
sl@0: # elif ! defined (_STLP_NO_EXTERN_INLINE) 
sl@0: 
sl@0: extern "C" __stl_atomic_t _STLP_atomic_exchange(__stl_atomic_t * __x, __stl_atomic_t __v);
sl@0: extern "C" void _STLP_atomic_decrement(__stl_atomic_t* i);
sl@0: extern "C" void _STLP_atomic_increment(__stl_atomic_t* i);
sl@0: 
sl@0: #  define _STLP_ATOMIC_INCREMENT(__x)           _STLP_atomic_increment((__stl_atomic_t*)__x)
sl@0: #  define _STLP_ATOMIC_DECREMENT(__x)           _STLP_atomic_decrement((__stl_atomic_t*)__x)
sl@0: #  define _STLP_ATOMIC_EXCHANGE(__x, __y)       _STLP_atomic_exchange((__stl_atomic_t*)__x, (__stl_atomic_t)__y)
sl@0: 
sl@0: # endif
sl@0: