From 076f6b11e76fd6c7978950749410dc5bccd02b7f Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Fri, 10 Dec 2010 23:06:27 +0100 Subject: Add support for 32-bit atomics --- erts/include/internal/tile/atomic.h | 106 ++++++++++++++++++++---------------- 1 file changed, 58 insertions(+), 48 deletions(-) (limited to 'erts/include/internal/tile') diff --git a/erts/include/internal/tile/atomic.h b/erts/include/internal/tile/atomic.h index b5b905b996..48e4c0c6c8 100644 --- a/erts/include/internal/tile/atomic.h +++ b/erts/include/internal/tile/atomic.h @@ -24,96 +24,102 @@ #ifndef ETHREAD_TILE_ATOMIC_H #define ETHREAD_TILE_ATOMIC_H -#include +#define ETHR_HAVE_NATIVE_ATOMIC32 1 -#if ETHR_SIZEOF_LONG != ETHR_SIZEOF_PTR -# error "Incompatible size of 'long'" -#endif +#include /* An atomic is an aligned int accessed via locked operations. */ typedef struct { - volatile long counter; -} ethr_native_atomic_t; + volatile ethr_sint32_t counter; +} ethr_native_atomic32_t; #define ETHR_MEMORY_BARRIER __insn_mf() #if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_ATOMIC_IMPL__) +static ETHR_INLINE ethr_sint32_t * +ethr_native_atomic32_addr(ethr_native_atomic32_t *var) +{ + return (ethr_sint32_t *) &var->counter; +} + static ETHR_INLINE void -ethr_native_atomic_init(ethr_native_atomic_t *var, long i) +ethr_native_atomic32_init(ethr_native_atomic32_t *var, ethr_sint32_t i) { var->counter = i; } static ETHR_INLINE void -ethr_native_atomic_set(ethr_native_atomic_t *var, long i) +ethr_native_atomic32_set(ethr_native_atomic32_t *var, ethr_sint32_t i) { atomic_exchange_acq(&var->counter, i); } -static ETHR_INLINE long -ethr_native_atomic_read(ethr_native_atomic_t *var) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_read(ethr_native_atomic32_t *var) { return var->counter; } static ETHR_INLINE void -ethr_native_atomic_add(ethr_native_atomic_t *var, long incr) +ethr_native_atomic32_add(ethr_native_atomic32_t *var, ethr_sint32_t incr) { atomic_add(&var->counter, incr); } static ETHR_INLINE void -ethr_native_atomic_inc(ethr_native_atomic_t *var) +ethr_native_atomic32_inc(ethr_native_atomic32_t *var) { atomic_increment(&var->counter); } static ETHR_INLINE void -ethr_native_atomic_dec(ethr_native_atomic_t *var) +ethr_native_atomic32_dec(ethr_native_atomic32_t *var) { atomic_decrement(&var->counter); } -static ETHR_INLINE long -ethr_native_atomic_add_return(ethr_native_atomic_t *var, long incr) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_add_return(ethr_native_atomic32_t *var, ethr_sint32_t incr) { return atomic_exchange_and_add(&var->counter, incr) + incr; } -static ETHR_INLINE long -ethr_native_atomic_inc_return(ethr_native_atomic_t *var) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_inc_return(ethr_native_atomic32_t *var) { - return ethr_native_atomic_add_return(var, 1); + return ethr_native_atomic32_add_return(var, 1); } -static ETHR_INLINE long -ethr_native_atomic_dec_return(ethr_native_atomic_t *var) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_dec_return(ethr_native_atomic32_t *var) { - return ethr_native_atomic_add_return(var, -1); + return ethr_native_atomic32_add_return(var, -1); } -static ETHR_INLINE long -ethr_native_atomic_and_retold(ethr_native_atomic_t *var, long mask) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_and_retold(ethr_native_atomic32_t *var, ethr_sint32_t mask) { return atomic_and_val(&var->counter, mask); } -static ETHR_INLINE long -ethr_native_atomic_or_retold(ethr_native_atomic_t *var, long mask) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_or_retold(ethr_native_atomic32_t *var, ethr_sint32_t mask) { return atomic_or_val(&var->counter, mask); } -static ETHR_INLINE long -ethr_native_atomic_xchg(ethr_native_atomic_t *var, long val) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_xchg(ethr_native_atomic32_t *var, ethr_sint32_t val) { return atomic_exchange_acq(&var->counter, val); } -static ETHR_INLINE long -ethr_native_atomic_cmpxchg(ethr_native_atomic_t *var, long new, long expected) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_cmpxchg(ethr_native_atomic32_t *var, + ethr_sint32_t new, + ethr_sint32_t expected) { return atomic_compare_and_exchange_val_acq(&var->counter, new, expected); } @@ -122,54 +128,58 @@ ethr_native_atomic_cmpxchg(ethr_native_atomic_t *var, long new, long expected) * Atomic ops with at least specified barriers. */ -static ETHR_INLINE long -ethr_native_atomic_read_acqb(ethr_native_atomic_t *var) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_read_acqb(ethr_native_atomic32_t *var) { - long res = ethr_native_atomic_read(var); + ethr_sint32_t res = ethr_native_atomic32_read(var); ETHR_MEMORY_BARRIER; return res; } -static ETHR_INLINE long -ethr_native_atomic_inc_return_acqb(ethr_native_atomic_t *var) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_inc_return_acqb(ethr_native_atomic32_t *var) { - long res = ethr_native_atomic_inc_return(var); + ethr_sint32_t res = ethr_native_atomic32_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_native_atomic32_set_relb(ethr_native_atomic32_t *var, ethr_sint32_t val) { ETHR_MEMORY_BARRIER; - ethr_native_atomic_set(var, val); + ethr_native_atomic32_set(var, val); } static ETHR_INLINE void -ethr_native_atomic_dec_relb(ethr_native_atomic_t *var) +ethr_native_atomic32_dec_relb(ethr_native_atomic32_t *var) { ETHR_MEMORY_BARRIER; - ethr_native_atomic_dec(var); + ethr_native_atomic32_dec(var); } -static ETHR_INLINE long -ethr_native_atomic_dec_return_relb(ethr_native_atomic_t *var) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_dec_return_relb(ethr_native_atomic32_t *var) { ETHR_MEMORY_BARRIER; - return ethr_native_atomic_dec_return(var); + return ethr_native_atomic32_dec_return(var); } -static ETHR_INLINE long -ethr_native_atomic_cmpxchg_acqb(ethr_native_atomic_t *var, long new, long exp) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_cmpxchg_acqb(ethr_native_atomic32_t *var, + ethr_sint32_t new, + ethr_sint32_t exp) { - return ethr_native_atomic_cmpxchg(var, new, exp); + return ethr_native_atomic32_cmpxchg(var, new, exp); } -static ETHR_INLINE long -ethr_native_atomic_cmpxchg_relb(ethr_native_atomic_t *var, long new, long exp) +static ETHR_INLINE ethr_sint32_t +ethr_native_atomic32_cmpxchg_relb(ethr_native_atomic32_t *var, + ethr_sint32_t new, + ethr_sint32_t exp) { ETHR_MEMORY_BARRIER; - return ethr_native_atomic_cmpxchg(var, new, exp); + return ethr_native_atomic32_cmpxchg(var, new, exp); } #endif /* ETHR_TRY_INLINE_FUNCS */ -- cgit v1.2.3