diff options
Diffstat (limited to 'WebKit/android/stlport/stl/_sparc_atomic.h')
| -rw-r--r-- | WebKit/android/stlport/stl/_sparc_atomic.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/WebKit/android/stlport/stl/_sparc_atomic.h b/WebKit/android/stlport/stl/_sparc_atomic.h new file mode 100644 index 0000000..40d10f3 --- /dev/null +++ b/WebKit/android/stlport/stl/_sparc_atomic.h @@ -0,0 +1,62 @@ + +// Currently, SUN CC requires object file + +#if defined (__GNUC__) + +/* +** int _STLP_atomic_exchange (__stl_atomic_t *pvalue, __stl_atomic_t value) +*/ + +# if defined(__sparc_v9__) || defined (__sparcv9) + +# ifdef __arch64__ + +# define _STLP_EXCH_ASM asm volatile ("casx [%3], %4, %0 ; membar #LoadLoad | #LoadStore " : \ + "=r" (_L_value2), "=m" (*_L_pvalue1) : \ + "m" (*_L_pvalue1), "r" (_L_pvalue1), "r" (_L_value1), "0" (_L_value2) ) + +# else /* __arch64__ */ + +# define _STLP_EXCH_ASM asm volatile ("cas [%3], %4, %0" : \ + "=r" (_L_value2), "=m" (*_L_pvalue1) : \ + "m" (*_L_pvalue1), "r" (_L_pvalue1), "r" (_L_value1), "0" (_L_value2) ) +# endif + +# else /* __sparc_v9__ */ + +# define _STLP_EXCH_ASM asm volatile ("swap [%3], %0 " : \ + "=r" (_L_value2), "=m" (*_L_pvalue1) : \ + "m" (*_L_pvalue1), "r" (_L_pvalue1), "0" (_L_value2) ) +# endif + + +# define _STLP_ATOMIC_EXCHANGE(__pvalue1, __value2) \ + ({ register volatile __stl_atomic_t *_L_pvalue1 = __pvalue1; \ + register __stl_atomic_t _L_value1, _L_value2 = __value2 ; \ + do { _L_value1 = *_L_pvalue1; _STLP_EXCH_ASM; } while ( _L_value1 != _L_value2 ) ; \ + _L_value1; }) + +# define _STLP_ATOMIC_INCREMENT(__pvalue1) \ + ({ register volatile __stl_atomic_t *_L_pvalue1 = __pvalue1; \ + register __stl_atomic_t _L_value1, _L_value2; \ + do { _L_value1 = *_L_pvalue1; _L_value2 = _L_value1+1; _STLP_EXCH_ASM; } while ( _L_value1 != _L_value2 ) ; \ + (_L_value2 + 1); }) + +# define _STLP_ATOMIC_DECREMENT(__pvalue1) \ + ({ register volatile __stl_atomic_t *_L_pvalue1 = __pvalue1; \ + register __stl_atomic_t _L_value1, _L_value2; \ + do { _L_value1 = *_L_pvalue1; _L_value2 = _L_value1-1; _STLP_EXCH_ASM; } while ( _L_value1 != _L_value2 ) ; \ + (_L_value2 - 1); }) + +# elif ! defined (_STLP_NO_EXTERN_INLINE) + +extern "C" __stl_atomic_t _STLP_atomic_exchange(__stl_atomic_t * __x, __stl_atomic_t __v); +extern "C" void _STLP_atomic_decrement(__stl_atomic_t* i); +extern "C" void _STLP_atomic_increment(__stl_atomic_t* i); + +# define _STLP_ATOMIC_INCREMENT(__x) _STLP_atomic_increment((__stl_atomic_t*)__x) +# define _STLP_ATOMIC_DECREMENT(__x) _STLP_atomic_decrement((__stl_atomic_t*)__x) +# define _STLP_ATOMIC_EXCHANGE(__x, __y) _STLP_atomic_exchange((__stl_atomic_t*)__x, (__stl_atomic_t)__y) + +# endif + |
