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[CRT/INTRIN_X86]

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Add InterlockedExchange8/16 for GCC. Reviewed by Timo.

svn path=/trunk/; revision=63572
This commit is contained in:
Hermès Bélusca-Maïto 2014-06-08 22:28:35 +00:00
parent 7c0657fdac
commit 5ed8d5d62e
1 changed files with 33 additions and 1 deletions
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34
reactos/include/crt/mingw32/intrin_x86.h
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@ -150,6 +150,8 @@ __INTRIN_INLINE char _InterlockedCompareExchange8(volatile char * const Destinat
__INTRIN_INLINE short _InterlockedCompareExchange16(volatile short * const Destination, const short Exchange, const short Comperand);
__INTRIN_INLINE long _InterlockedCompareExchange(volatile long * const Destination, const long Exchange, const long Comperand);
__INTRIN_INLINE void * _InterlockedCompareExchangePointer(void * volatile * const Destination, void * const Exchange, void * const Comperand);
__INTRIN_INLINE char _InterlockedExchange8(volatile char * const Target, const char Value);
__INTRIN_INLINE short _InterlockedExchange16(volatile short * const Target, const short Value);
__INTRIN_INLINE long _InterlockedExchange(volatile long * const Target, const long Value);
__INTRIN_INLINE void * _InterlockedExchangePointer(void * volatile * const Target, void * const Value);
__INTRIN_INLINE long _InterlockedExchangeAdd16(volatile short * const Addend, const short Value);
@ -199,6 +201,20 @@ __INTRIN_INLINE void * _InterlockedCompareExchangePointer(void * volatile * cons
return (void *)__sync_val_compare_and_swap(Destination, Comperand, Exchange);
}
__INTRIN_INLINE char _InterlockedExchange8(volatile char * const Target, const char Value)
{
/* NOTE: __sync_lock_test_and_set would be an acquire barrier, so we force a full barrier */
__sync_synchronize();
return __sync_lock_test_and_set(Target, Value);
}
__INTRIN_INLINE short _InterlockedExchange16(volatile short * const Target, const short Value)
{
/* NOTE: __sync_lock_test_and_set would be an acquire barrier, so we force a full barrier */
__sync_synchronize();
return __sync_lock_test_and_set(Target, Value);
}
__INTRIN_INLINE long _InterlockedExchange(volatile long * const Target, const long Value)
{
/* NOTE: __sync_lock_test_and_set would be an acquire barrier, so we force a full barrier */
@ -217,7 +233,7 @@ __INTRIN_INLINE long long _InterlockedExchange64(volatile long long * const Targ
__INTRIN_INLINE void * _InterlockedExchangePointer(void * volatile * const Target, void * const Value)
{
/* NOTE: ditto */
/* NOTE: __sync_lock_test_and_set would be an acquire barrier, so we force a full barrier */
__sync_synchronize();
return (void *)__sync_lock_test_and_set(Target, Value);
}
@ -347,6 +363,8 @@ __INTRIN_INLINE char _InterlockedCompareExchange8(volatile char * const Destinat
__INTRIN_INLINE short _InterlockedCompareExchange16(volatile short * const Destination, const short Exchange, const short Comperand);
__INTRIN_INLINE long _InterlockedCompareExchange(volatile long * const Destination, const long Exchange, const long Comperand);
__INTRIN_INLINE void * _InterlockedCompareExchangePointer(void * volatile * const Destination, void * const Exchange, void * const Comperand);
__INTRIN_INLINE char _InterlockedExchange8(volatile char * const Target, const char Value);
__INTRIN_INLINE short _InterlockedExchange16(volatile short * const Target, const short Value);
__INTRIN_INLINE long _InterlockedExchange(volatile long * const Target, const long Value);
__INTRIN_INLINE void * _InterlockedExchangePointer(void * volatile * const Target, void * const Value);
__INTRIN_INLINE long _InterlockedExchangeAdd16(volatile short * const Addend, const short Value);
@ -397,6 +415,20 @@ __INTRIN_INLINE void * _InterlockedCompareExchangePointer(void * volatile * cons
return retval;
}
__INTRIN_INLINE char _InterlockedExchange8(volatile char * const Target, const char Value)
{
char retval = Value;
__asm__("xchgb %[retval], %[Target]" : [retval] "+r" (retval) : [Target] "m" (*Target) : "memory");
return retval;
}
__INTRIN_INLINE short _InterlockedExchange16(volatile short * const Target, const short Value)
{
short retval = Value;
__asm__("xchgw %[retval], %[Target]" : [retval] "+r" (retval) : [Target] "m" (*Target) : "memory");
return retval;
}
__INTRIN_INLINE long _InterlockedExchange(volatile long * const Target, const long Value)
{
long retval = Value;