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port.h: Make use of compiler support for 64bit atomic ops.

This commit is contained in:
Grazvydas Ignotas 2015-05-12 03:17:36 +03:00 committed by Alexandre Julliard
parent 4419edd79c
commit ae8408f147
2 changed files with 11 additions and 3 deletions
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12
include/wine/port.h
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@ -367,8 +367,6 @@ extern int _spawnvp(int mode, const char *cmdname, const char * const argv[]);
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
static inline int interlocked_cmpxchg( int *dest, int xchg, int compare ) static inline int interlocked_cmpxchg( int *dest, int xchg, int compare )
{ {
int ret; int ret;
@ -459,7 +457,6 @@ extern int interlocked_xchg( int *dest, int val );
#endif #endif
extern void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare ); extern void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
extern void *interlocked_xchg_ptr( void **dest, void *val ); extern void *interlocked_xchg_ptr( void **dest, void *val );
#if defined(__x86_64__) || defined(__aarch64__) || defined(_WIN64) #if defined(__x86_64__) || defined(__aarch64__) || defined(_WIN64)
extern unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high, extern unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high,
@ -468,6 +465,15 @@ extern unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high,
#endif /* __GNUC__ */ #endif /* __GNUC__ */
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
static inline __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare )
{
return __sync_val_compare_and_swap( dest, compare, xchg );
}
#else
extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
#endif
#else /* NO_LIBWINE_PORT */ #else /* NO_LIBWINE_PORT */
#define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable #define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable

2
libs/port/interlocked.c
View File

@ -302,6 +302,7 @@ void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare )
return compare; return compare;
} }
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
__int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare ) __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare )
{ {
pthread_mutex_lock( &interlocked_mutex ); pthread_mutex_lock( &interlocked_mutex );
@ -314,6 +315,7 @@ __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare )
pthread_mutex_unlock( &interlocked_mutex ); pthread_mutex_unlock( &interlocked_mutex );
return compare; return compare;
} }
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
int interlocked_xchg( int *dest, int val ) int interlocked_xchg( int *dest, int val )