diff options
Diffstat (limited to 'erts/include/internal/tile/atomic.h')
-rw-r--r-- | erts/include/internal/tile/atomic.h | 67 |
1 files changed, 55 insertions, 12 deletions
diff --git a/erts/include/internal/tile/atomic.h b/erts/include/internal/tile/atomic.h index 5e4c7ac9fe..69569d82d1 100644 --- a/erts/include/internal/tile/atomic.h +++ b/erts/include/internal/tile/atomic.h @@ -34,7 +34,7 @@ typedef struct { #define ETHR_MEMORY_BARRIER __insn_mf() -#ifdef ETHR_TRY_INLINE_FUNCS +#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_AUX_IMPL__) static ETHR_INLINE void ethr_native_atomic_init(ethr_native_atomic_t *var, long i) @@ -45,7 +45,6 @@ ethr_native_atomic_init(ethr_native_atomic_t *var, long i) static ETHR_INLINE void ethr_native_atomic_set(ethr_native_atomic_t *var, long i) { - __insn_mf(); atomic_exchange_acq(&var->counter, i); } @@ -58,28 +57,24 @@ ethr_native_atomic_read(ethr_native_atomic_t *var) static ETHR_INLINE void ethr_native_atomic_add(ethr_native_atomic_t *var, long incr) { - __insn_mf(); atomic_add(&var->counter, incr); } static ETHR_INLINE void ethr_native_atomic_inc(ethr_native_atomic_t *var) { - __insn_mf(); atomic_increment(&var->counter); } static ETHR_INLINE void ethr_native_atomic_dec(ethr_native_atomic_t *var) { - __insn_mf(); atomic_decrement(&var->counter); } static ETHR_INLINE long ethr_native_atomic_add_return(ethr_native_atomic_t *var, long incr) { - __insn_mf(); return atomic_exchange_and_add(&var->counter, incr) + incr; } @@ -98,33 +93,81 @@ ethr_native_atomic_dec_return(ethr_native_atomic_t *var) static ETHR_INLINE long ethr_native_atomic_and_retold(ethr_native_atomic_t *var, long mask) { - /* Implement a barrier suitable for a mutex unlock. */ - __insn_mf(); return atomic_and_val(&var->counter, mask); } static ETHR_INLINE long ethr_native_atomic_or_retold(ethr_native_atomic_t *var, long mask) { - __insn_mf(); return atomic_or_val(&var->counter, mask); } static ETHR_INLINE long ethr_native_atomic_xchg(ethr_native_atomic_t *var, long val) { - __insn_mf(); return atomic_exchange_acq(&var->counter, val); } static ETHR_INLINE long ethr_native_atomic_cmpxchg(ethr_native_atomic_t *var, long new, long expected) { - /* Implement a barrier suitable for a mutex unlock. */ - __insn_mf(); return atomic_compare_and_exchange_val_acq(&var->counter, new, expected); } +/* + * Atomic ops with at least specified barriers. + */ + +static ETHR_INLINE long +ethr_native_atomic_read_acqb(ethr_native_atomic_t *var) +{ + long res = ethr_native_atomic_read(var); + ETHR_MEMORY_BARRIER; + return res; +} + +static ETHR_INLINE long +ethr_native_atomic_inc_return_acqb(ethr_native_atomic_t *var) +{ + long res = ethr_native_atomic_inc_return(var); + ETHR_MEMORY_BARRIER; + return res; +} + +static ETHR_INLINE void +ethr_native_atomic_set_relb(ethr_native_atomic_t *var, long val) +{ + ETHR_MEMORY_BARRIER; + ethr_native_atomic_set(var, val); +} + +static ETHR_INLINE void +ethr_native_atomic_dec_relb(ethr_native_atomic_t *var) +{ + ETHR_MEMORY_BARRIER; + ethr_native_atomic_dec(var); +} + +static ETHR_INLINE long +ethr_native_atomic_dec_return_relb(ethr_native_atomic_t *var) +{ + ETHR_MEMORY_BARRIER; + return ethr_native_atomic_dec_return(var); +} + +static ETHR_INLINE long +ethr_native_atomic_cmpxchg_acqb(ethr_native_atomic_t *var, long new, long exp) +{ + return ethr_native_atomic_cmpxchg(var, new, exp); +} + +static ETHR_INLINE long +ethr_native_atomic_cmpxchg_relb(ethr_native_atomic_t *var, long new, long exp) +{ + ETHR_MEMORY_BARRIER; + return ethr_native_atomic_cmpxchg(var, new, exp); +} + #endif /* ETHR_TRY_INLINE_FUNCS */ #endif /* ETHREAD_TILE_ATOMIC_H */ |