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include: Use the gcc interlocked functions also on i386 if possible. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-05-02 15:09:58 +02:00
parent aa90ed6df6
commit adb45d2294
2 changed files with 38 additions and 48 deletions
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85
include/winbase.h
View File

@ -2975,71 +2975,63 @@ static FORCEINLINE void *WINAPI InterlockedExchangePointer( void *volatile *dest
#endif
#elif defined(__i386__)
# if defined(__GNUC__) && !defined(_NTSYSTEM_) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 2)))
#elif defined(__GNUC__)
static FORCEINLINE LONG WINAPI InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
{
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
return __sync_val_compare_and_swap( dest, compare, xchg );
#else
LONG ret;
__asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
: "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" );
return ret;
#endif
}
static FORCEINLINE LONG WINAPI InterlockedExchange( LONG volatile *dest, LONG val )
{
LONG ret;
#if defined(__i386__) || defined(__x86_64__)
__asm__ __volatile__( "lock; xchgl %0,(%1)"
: "=r" (ret) :"r" (dest), "0" (val) : "memory" );
#else
do ret = *dest; while (!__sync_bool_compare_and_swap( dest, ret, val ));
#endif
return ret;
}
static FORCEINLINE LONG WINAPI InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
{
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
return __sync_fetch_and_add( dest, incr );
#else
LONG ret;
__asm__ __volatile__( "lock; xaddl %0,(%1)"
: "=r" (ret) : "r" (dest), "0" (incr) : "memory" );
return ret;
#endif
}
static FORCEINLINE LONG WINAPI InterlockedIncrement( LONG volatile *dest )
{
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
return __sync_add_and_fetch( dest, 1 );
#else
return InterlockedExchangeAdd( dest, 1 ) + 1;
#endif
}
static FORCEINLINE LONG WINAPI InterlockedDecrement( LONG volatile *dest )
{
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
return __sync_add_and_fetch( dest, -1 );
#else
return InterlockedExchangeAdd( dest, -1 ) - 1;
#endif
}
# else /* __GNUC__ */
WINBASEAPI LONG WINAPI InterlockedCompareExchange(LONG volatile*,LONG,LONG);
WINBASEAPI LONG WINAPI InterlockedDecrement(LONG volatile*);
WINBASEAPI LONG WINAPI InterlockedExchange(LONG volatile*,LONG);
WINBASEAPI LONG WINAPI InterlockedExchangeAdd(LONG volatile*,LONG);
WINBASEAPI LONG WINAPI InterlockedIncrement(LONG volatile*);
# endif /* __GNUC__ */
static FORCEINLINE PVOID WINAPI InterlockedCompareExchangePointer( PVOID volatile *dest, PVOID xchg, PVOID compare )
{
return (PVOID)InterlockedCompareExchange( (LONG volatile*)dest, (LONG)xchg, (LONG)compare );
}
static FORCEINLINE PVOID WINAPI InterlockedExchangePointer( PVOID volatile *dest, PVOID val )
{
return (PVOID)InterlockedExchange( (LONG volatile*)dest, (LONG)val );
}
WINBASEAPI LONGLONG WINAPI InterlockedCompareExchange64(LONGLONG volatile*,LONGLONG,LONGLONG);
#elif defined(__GNUC__)
static FORCEINLINE LONG WINAPI InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
{
return __sync_val_compare_and_swap( dest, compare, xchg );
}
#ifdef _WIN64
static FORCEINLINE PVOID WINAPI InterlockedCompareExchangePointer( PVOID volatile *dest, PVOID xchg, PVOID compare )
{
@ -3051,17 +3043,6 @@ static FORCEINLINE LONGLONG WINAPI InterlockedCompareExchange64( LONGLONG volati
return __sync_val_compare_and_swap( dest, compare, xchg );
}
static FORCEINLINE LONG WINAPI InterlockedExchange( LONG volatile *dest, LONG val )
{
LONG ret;
#ifdef __x86_64__
__asm__ __volatile__( "lock; xchgl %0,(%1)" : "=r" (ret) :"r" (dest), "0" (val) : "memory" );
#else
do ret = *dest; while (!__sync_bool_compare_and_swap( dest, ret, val ));
#endif
return ret;
}
static FORCEINLINE PVOID WINAPI InterlockedExchangePointer( PVOID volatile *dest, PVOID val )
{
PVOID ret;
@ -3073,22 +3054,30 @@ static FORCEINLINE PVOID WINAPI InterlockedExchangePointer( PVOID volatile *dest
return ret;
}
static FORCEINLINE LONG WINAPI InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
#else
static FORCEINLINE PVOID WINAPI InterlockedCompareExchangePointer( PVOID volatile *dest, PVOID xchg, PVOID compare )
{
return __sync_fetch_and_add( dest, incr );
return (PVOID)InterlockedCompareExchange( (LONG volatile*)dest, (LONG)xchg, (LONG)compare );
}
static FORCEINLINE LONG WINAPI InterlockedIncrement( LONG volatile *dest )
static FORCEINLINE PVOID WINAPI InterlockedExchangePointer( PVOID volatile *dest, PVOID val )
{
return __sync_add_and_fetch( dest, 1 );
return (PVOID)InterlockedExchange( (LONG volatile*)dest, (LONG)val );
}
static FORCEINLINE LONG WINAPI InterlockedDecrement( LONG volatile *dest )
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
static FORCEINLINE LONGLONG WINAPI InterlockedCompareExchange64( LONGLONG volatile *dest, LONGLONG xchg, LONGLONG compare )
{
return __sync_add_and_fetch( dest, -1 );
return __sync_val_compare_and_swap( dest, compare, xchg );
}
#else
WINBASEAPI LONGLONG WINAPI InterlockedCompareExchange64(LONGLONG volatile*,LONGLONG,LONGLONG);
#endif
#endif /* __i386__ */
#endif
#endif /* __GNUC__ */
#ifdef __WINESRC__

1
include/winternl.h
View File

@ -3078,6 +3078,7 @@ NTSYSAPI UINT WINAPI RtlEnlargedUnsignedDivide(ULONGLONG,UINT,UINT *);
NTSYSAPI LONGLONG WINAPI RtlExtendedMagicDivide(LONGLONG,LONGLONG,INT);
NTSYSAPI LONGLONG WINAPI RtlExtendedIntegerMultiply(LONGLONG,INT);
NTSYSAPI LONGLONG WINAPI RtlExtendedLargeIntegerDivide(LONGLONG,INT,INT *);
NTSYSAPI LONGLONG WINAPI RtlInterlockedCompareExchange64(LONGLONG*,LONGLONG,LONGLONG);
NTSYSAPI LONGLONG WINAPI RtlLargeIntegerAdd(LONGLONG,LONGLONG);
NTSYSAPI LONGLONG WINAPI RtlLargeIntegerArithmeticShift(LONGLONG,INT);
NTSYSAPI ULONGLONG WINAPI RtlLargeIntegerDivide( ULONGLONG,ULONGLONG,ULONGLONG *);