- _ReadWriteBarrier
 - _InterlockedCompareExchange8
 - _InterlockedCompareExchange16
 - _InterlockedCompareExchange
 - _InterlockedCompareExchange64
 - _InterlockedCompareExchangePointer
 - _InterlockedExchange
 - _InterlockedExchangePointer
 - _InterlockedExchangeAdd
 - _interlockedbittestandset
 - _interlockedbittestandreset

This commit dedicated to Alex (sup Alex!)

svn path=/trunk/; revision=25604
This commit is contained in:
KJK::Hyperion 2007-01-23 18:26:51 +00:00
parent 12e90157e6
commit 85ffdc2193

View file

@ -91,7 +91,11 @@
#if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) > 40100
#define _ReadWriteBarrier() __sync_synchronize()
#else
/* TODO: _ReadWriteBarrier() */
static __inline__ __attribute__((always_inline)) _MemoryBarrier(void)
{
__asm__ __volatile__("" : : : "memory");
}
#define _ReadWriteBarrier() _MemoryBarrier()
#endif
#if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) > 40100
@ -190,82 +194,66 @@ static __inline__ __attribute__((always_inline)) long _InterlockedXor(volatile l
static __inline__ __attribute__((always_inline)) char _InterlockedCompareExchange8(volatile char * const Destination, const char Exchange, const char Comperand)
{
char retval = Comperand;
__asm__("lock; cmpxchgb %b[Exchange], %[Destination]" : "=a" (retval) : [Destination] "rm" (Destination), [Exchange] "r" (Exchange) : "memory");
__asm__("lock; cmpxchgb %b[Exchange], %[Destination]" : [retval] "+a" (retval) : [Destination] "m" (*Destination), [Exchange] "q" (Exchange) : "memory");
return retval;
}
static __inline__ __attribute__((always_inline)) short _InterlockedCompareExchange16(volatile short * const Destination, const short Exchange, const short Comperand)
{
short retval = Comperand;
__asm__("lock; cmpxchgw %w[Exchange], %[Destination]" : "=a" (retval) : [Destination] "rm" (Destination), [Exchange] "r" (Exchange): "memory");
__asm__("lock; cmpxchgw %w[Exchange], %[Destination]" : [retval] "+a" (retval) : [Destination] "m" (*Destination), [Exchange] "q" (Exchange): "memory");
return retval;
}
static __inline__ __attribute__((always_inline)) long _InterlockedCompareExchange(volatile long * const Destination, const long Exchange, const long Comperand)
{
long retval = Comperand;
__asm__("lock; cmpxchgl %k[Exchange], %[Destination]" : "=a" (retval) : [Destination] "rm" (Destination), [Exchange] "r" (Exchange): "memory");
__asm__("lock; cmpxchgl %k[Exchange], %[Destination]" : [retval] "+a" (retval) : [Destination] "m" (*Destination), [Exchange] "q" (Exchange): "memory");
return retval;
}
static __inline__ __attribute__((always_inline)) long long _InterlockedCompareExchange64(volatile long long * const Destination, const long long Exchange, const long long Comperand)
{
unsigned long lo32Retval = (unsigned long)((Comperand >> 0) & 0xFFFFFFFF);
long hi32Retval = (unsigned long)((Comperand >> 32) & 0xFFFFFFFF);
unsigned long lo32Exchange = (unsigned long)((Exchange >> 0) & 0xFFFFFFFF);
long hi32Exchange = (unsigned long)((Exchange >> 32) & 0xFFFFFFFF);
long long retval = Comperand;
__asm__
(
"cmpxchg8b %[Destination]" :
"=a" (lo32Retval), "=d" (hi32Retval) :
[Destination] "rm" (Destination), "b" (lo32Exchange), "c" (hi32Exchange) :
[retval] "+A" (retval) :
[Destination] "m" (*Destination),
"b" ((unsigned long)((Exchange >> 0) & 0xFFFFFFFF)),
"c" ((unsigned long)((Exchange >> 32) & 0xFFFFFFFF)) :
"memory"
);
{
union u_
{
long long ll;
struct s_
{
unsigned long lo32;
long hi32;
}
s;
}
u = { s : { lo32 : lo32Retval, hi32 : hi32Retval } };
return u.ll;
}
return retval;
}
static __inline__ __attribute__((always_inline)) void * _InterlockedCompareExchangePointer(void * volatile * const Destination, void * const Exchange, void * const Comperand)
{
void * retval;
__asm__("lock; cmpxchgl %k[Exchange], %[Destination]" : "=a" (retval) : [Destination] "rm" (Destination), [Exchange] "r" (Exchange), "a" (Comperand) : "memory");
void * retval = (void *)Comperand;
__asm__("lock; cmpxchgl %k[Exchange], %[Destination]" : [retval] "=a" (retval) : "[retval]" (retval), [Destination] "m" (*Destination), [Exchange] "q" (Exchange) : "memory");
return retval;
}
static __inline__ __attribute__((always_inline)) long _InterlockedExchange(volatile long * const Target, const long Value)
{
long retval = Value;
__asm__("lock; xchgl %[retval], %[Target]" : [retval] "=r" (retval) : [Target] "rm" (Target) : "memory");
__asm__("xchgl %[retval], %[Target]" : [retval] "+r" (retval) : [Target] "m" (*Target) : "memory");
return retval;
}
static __inline__ __attribute__((always_inline)) void * _InterlockedExchangePointer(void * volatile * const Target, void * const Value)
{
void * retval = Value;
__asm__("lock; xchgl %[retval], %[Target]" : [retval] "=r" (retval) : [Target] "rm" (Target) : "memory");
__asm__("xchgl %[retval], %[Target]" : [retval] "+r" (retval) : [Target] "m" (*Target) : "memory");
return retval;
}
static __inline__ __attribute__((always_inline)) long _InterlockedExchangeAdd(volatile long * const Addend, const long Value)
{
long retval = Value;
__asm__("lock; xaddl %[retval], %[Addend]" : [retval] "=r" (retval) : [Addend] "rm" (Addend));
__asm__("lock; xaddl %[retval], %[Addend]" : [retval] "+r" (retval) : [Addend] "m" (*Addend) : "memory");
return retval;
}
@ -449,17 +437,17 @@ static __inline__ __attribute__((always_inline)) long _InterlockedIncrement(vola
return _InterlockedExchangeAdd(lpAddend, 1) + 1;
}
static __inline__ __attribute__((always_inline)) unsigned char _interlockedbittestandreset(volatile long * const a, const long b)
static __inline__ __attribute__((always_inline)) unsigned char _interlockedbittestandreset(volatile long * a, const long b)
{
unsigned char retval;
__asm__("lock; btr %[b], %[a]; setc %b[retval]" : [retval] "=q" (retval) : [a] "rm" (a), [b] "Nr" (b));
__asm__("lock; btrl %[b], %[a]; setb %b[retval]" : [retval] "=r" (retval), [a] "=m" (a) : [b] "Ir" (b) : "memory");
return retval;
}
static __inline__ __attribute__((always_inline)) unsigned char _interlockedbittestandset(volatile long * const a, const long b)
static __inline__ __attribute__((always_inline)) unsigned char _interlockedbittestandset(volatile long * a, const long b)
{
unsigned char retval;
__asm__("lock; bts %[b], %[a]; setc %b[retval]" : [retval] "=q" (retval) : [a] "rm" (a), [b] "Nr" (b));
__asm__("lock; btsl %[b], %[a]; setc %b[retval]" : [retval] "=r" (retval), [a] "=m" (a) : [b] "Ir" (b) : "memory");
return retval;
}