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[CRT/INTRIN] Leverage __has_builtin() with the intrinsics. Dedicated to Thomas. CORE-11799 (#94)
This commit is contained in:
Amine Khaldi
parent
3a68bebf87
commit
b439381523
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@ -32,7 +32,9 @@
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#ifdef __clang__
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#define __INTRIN_INLINE __forceinline
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#define HAS_BUILTIN(x) __has_builtin(x)
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#else
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#define HAS_BUILTIN(x) 0
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#define __ATTRIBUTE_ARTIFICIAL __attribute__((artificial))
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#define __INTRIN_INLINE extern __inline__ __attribute__((__always_inline__,__gnu_inline__)) __ATTRIBUTE_ARTIFICIAL
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#endif
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@ -89,35 +89,41 @@ __INTRIN_INLINE void* __cdecl memcpy(void* dest, const void* source, size_t num)
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/*** Memory barriers ***/
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#ifndef __clang__
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#if !HAS_BUILTIN(_ReadWriteBarrier)
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__INTRIN_INLINE void _ReadWriteBarrier(void)
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{
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__asm__ __volatile__("" : : : "memory");
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}
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#endif
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/* GCC only supports full barriers */
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#define _ReadBarrier _ReadWriteBarrier
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#define _WriteBarrier _ReadWriteBarrier
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#if !HAS_BUILTIN(_mm_mfence)
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__INTRIN_INLINE void _mm_mfence(void)
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{
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__asm__ __volatile__("mfence" : : : "memory");
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}
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#endif
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#if !HAS_BUILTIN(_mm_lfence)
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__INTRIN_INLINE void _mm_lfence(void)
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{
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_ReadBarrier();
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__asm__ __volatile__("lfence");
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_ReadBarrier();
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}
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#endif
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#if !HAS_BUILTIN(_mm_sfence)
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__INTRIN_INLINE void _mm_sfence(void)
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{
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_WriteBarrier();
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__asm__ __volatile__("sfence");
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_WriteBarrier();
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}
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#endif /* !__clang__ */
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#endif
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#ifdef __x86_64__
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__INTRIN_INLINE void __faststorefence(void)
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@ -142,18 +148,18 @@ __INTRIN_INLINE short _InterlockedCompareExchange16(volatile short * Destination
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return __sync_val_compare_and_swap(Destination, Comperand, Exchange);
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}
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#ifndef __clang__
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#if !HAS_BUILTIN(_InterlockedCompareExchange)
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__INTRIN_INLINE long __cdecl _InterlockedCompareExchange(volatile long * Destination, long Exchange, long Comperand)
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{
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return __sync_val_compare_and_swap(Destination, Comperand, Exchange);
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedCompareExchangePointer)
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__INTRIN_INLINE void * _InterlockedCompareExchangePointer(void * volatile * Destination, void * Exchange, void * Comperand)
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{
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return (void *)__sync_val_compare_and_swap(Destination, Comperand, Exchange);
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}
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#endif
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__INTRIN_INLINE char _InterlockedExchange8(volatile char * Target, char Value)
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@ -170,22 +176,22 @@ __INTRIN_INLINE short _InterlockedExchange16(volatile short * Target, short Valu
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return __sync_lock_test_and_set(Target, Value);
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}
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#ifndef __clang__
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#if !HAS_BUILTIN(_InterlockedExchange)
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__INTRIN_INLINE long __cdecl _InterlockedExchange(volatile long * Target, long Value)
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{
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/* NOTE: __sync_lock_test_and_set would be an acquire barrier, so we force a full barrier */
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__sync_synchronize();
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return __sync_lock_test_and_set(Target, Value);
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedExchangePointer)
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__INTRIN_INLINE void * _InterlockedExchangePointer(void * volatile * Target, void * Value)
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{
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/* NOTE: __sync_lock_test_and_set would be an acquire barrier, so we force a full barrier */
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__sync_synchronize();
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return (void *)__sync_lock_test_and_set(Target, Value);
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}
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#endif
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#if defined(__x86_64__)
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@ -207,7 +213,7 @@ __INTRIN_INLINE short _InterlockedExchangeAdd16(volatile short * Addend, short V
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return __sync_fetch_and_add(Addend, Value);
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}
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#ifndef __clang__
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#if !HAS_BUILTIN(_InterlockedExchangeAdd)
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__INTRIN_INLINE long __cdecl _InterlockedExchangeAdd(volatile long * Addend, long Value)
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{
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return __sync_fetch_and_add(Addend, Value);
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@ -287,12 +293,14 @@ __INTRIN_INLINE long long _InterlockedXor64(volatile long long * value, long lon
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}
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#endif
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#ifndef __clang__
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#if !HAS_BUILTIN(_InterlockedDecrement)
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__INTRIN_INLINE long __cdecl _InterlockedDecrement(volatile long * lpAddend)
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{
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return __sync_sub_and_fetch(lpAddend, 1);
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedIncrement)
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__INTRIN_INLINE long __cdecl _InterlockedIncrement(volatile long * lpAddend)
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{
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return __sync_add_and_fetch(lpAddend, 1);
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@ -323,85 +331,106 @@ __INTRIN_INLINE long long _InterlockedIncrement64(volatile long long * lpAddend)
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#else /* (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) > 40100 */
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#ifndef __clang__
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#if !HAS_BUILTIN(_InterlockedCompareExchange8)
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__INTRIN_INLINE char _InterlockedCompareExchange8(volatile char * Destination, char Exchange, char Comperand)
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{
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char retval = Comperand;
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__asm__("lock; cmpxchgb %b[Exchange], %[Destination]" : [retval] "+a" (retval) : [Destination] "m" (*Destination), [Exchange] "q" (Exchange) : "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedCompareExchange16)
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__INTRIN_INLINE short _InterlockedCompareExchange16(volatile short * Destination, short Exchange, short Comperand)
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{
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short retval = Comperand;
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__asm__("lock; cmpxchgw %w[Exchange], %[Destination]" : [retval] "+a" (retval) : [Destination] "m" (*Destination), [Exchange] "q" (Exchange): "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedCompareExchange)
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__INTRIN_INLINE long _InterlockedCompareExchange(volatile long * Destination, long Exchange, long Comperand)
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{
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long retval = Comperand;
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__asm__("lock; cmpxchgl %k[Exchange], %[Destination]" : [retval] "+a" (retval) : [Destination] "m" (*Destination), [Exchange] "q" (Exchange): "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedCompareExchangePointer)
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__INTRIN_INLINE void * _InterlockedCompareExchangePointer(void * volatile * Destination, void * Exchange, void * Comperand)
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{
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void * retval = (void *)Comperand;
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__asm__("lock; cmpxchgl %k[Exchange], %[Destination]" : [retval] "=a" (retval) : "[retval]" (retval), [Destination] "m" (*Destination), [Exchange] "q" (Exchange) : "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedExchange8)
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__INTRIN_INLINE char _InterlockedExchange8(volatile char * Target, char Value)
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{
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char retval = Value;
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__asm__("xchgb %[retval], %[Target]" : [retval] "+r" (retval) : [Target] "m" (*Target) : "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedExchange16)
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__INTRIN_INLINE short _InterlockedExchange16(volatile short * Target, short Value)
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{
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short retval = Value;
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__asm__("xchgw %[retval], %[Target]" : [retval] "+r" (retval) : [Target] "m" (*Target) : "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedExchange)
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__INTRIN_INLINE long _InterlockedExchange(volatile long * Target, long Value)
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{
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long retval = Value;
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__asm__("xchgl %[retval], %[Target]" : [retval] "+r" (retval) : [Target] "m" (*Target) : "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedExchangePointer)
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__INTRIN_INLINE void * _InterlockedExchangePointer(void * volatile * Target, void * Value)
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{
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void * retval = Value;
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__asm__("xchgl %[retval], %[Target]" : [retval] "+r" (retval) : [Target] "m" (*Target) : "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedExchangeAdd8)
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__INTRIN_INLINE char _InterlockedExchangeAdd8(char volatile * Addend, char Value)
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{
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char retval = Value;
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__asm__("lock; xaddb %[retval], %[Addend]" : [retval] "+r" (retval) : [Addend] "m" (*Addend) : "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedExchangeAdd16)
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__INTRIN_INLINE short _InterlockedExchangeAdd16(volatile short * Addend, short Value)
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{
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short retval = Value;
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__asm__("lock; xaddw %[retval], %[Addend]" : [retval] "+r" (retval) : [Addend] "m" (*Addend) : "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedExchangeAdd)
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__INTRIN_INLINE long _InterlockedExchangeAdd(volatile long * Addend, long Value)
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{
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long retval = Value;
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__asm__("lock; xaddl %[retval], %[Addend]" : [retval] "+r" (retval) : [Addend] "m" (*Addend) : "memory");
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return retval;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedAnd8)
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__INTRIN_INLINE char _InterlockedAnd8(volatile char * value, char mask)
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{
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char x;
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@ -418,7 +447,9 @@ __INTRIN_INLINE char _InterlockedAnd8(volatile char * value, char mask)
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return y;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedAnd16)
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__INTRIN_INLINE short _InterlockedAnd16(volatile short * value, short mask)
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{
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short x;
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@ -435,7 +466,9 @@ __INTRIN_INLINE short _InterlockedAnd16(volatile short * value, short mask)
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return y;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedAnd)
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__INTRIN_INLINE long _InterlockedAnd(volatile long * value, long mask)
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{
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long x;
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@ -452,7 +485,9 @@ __INTRIN_INLINE long _InterlockedAnd(volatile long * value, long mask)
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return y;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedOr8)
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__INTRIN_INLINE char _InterlockedOr8(volatile char * value, char mask)
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{
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char x;
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@ -469,7 +504,9 @@ __INTRIN_INLINE char _InterlockedOr8(volatile char * value, char mask)
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return y;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedOr16)
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__INTRIN_INLINE short _InterlockedOr16(volatile short * value, short mask)
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{
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short x;
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@ -486,7 +523,9 @@ __INTRIN_INLINE short _InterlockedOr16(volatile short * value, short mask)
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return y;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedOr)
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__INTRIN_INLINE long _InterlockedOr(volatile long * value, long mask)
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{
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long x;
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@ -503,7 +542,9 @@ __INTRIN_INLINE long _InterlockedOr(volatile long * value, long mask)
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return y;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedXor8)
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__INTRIN_INLINE char _InterlockedXor8(volatile char * value, char mask)
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{
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char x;
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@ -520,7 +561,9 @@ __INTRIN_INLINE char _InterlockedXor8(volatile char * value, char mask)
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return y;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedXor16)
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__INTRIN_INLINE short _InterlockedXor16(volatile short * value, short mask)
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{
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short x;
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@ -537,7 +580,9 @@ __INTRIN_INLINE short _InterlockedXor16(volatile short * value, short mask)
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return y;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedXor)
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__INTRIN_INLINE long _InterlockedXor(volatile long * value, long mask)
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{
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long x;
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@ -554,28 +599,35 @@ __INTRIN_INLINE long _InterlockedXor(volatile long * value, long mask)
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return y;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedDecrement)
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__INTRIN_INLINE long _InterlockedDecrement(volatile long * lpAddend)
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{
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return _InterlockedExchangeAdd(lpAddend, -1) - 1;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedIncrement)
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__INTRIN_INLINE long _InterlockedIncrement(volatile long * lpAddend)
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{
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return _InterlockedExchangeAdd(lpAddend, 1) + 1;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedDecrement16)
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__INTRIN_INLINE short _InterlockedDecrement16(volatile short * lpAddend)
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{
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return _InterlockedExchangeAdd16(lpAddend, -1) - 1;
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}
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#endif
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#if !HAS_BUILTIN(_InterlockedIncrement16)
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__INTRIN_INLINE short _InterlockedIncrement16(volatile short * lpAddend)
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{
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return _InterlockedExchangeAdd16(lpAddend, 1) + 1;
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}
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#endif /* !__clang__ */
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#endif
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#if defined(__x86_64__)
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__INTRIN_INLINE long long _InterlockedDecrement64(volatile long long * lpAddend)
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@ -598,9 +650,9 @@ __INTRIN_INLINE long long _InterlockedCompareExchange64(volatile long long * Des
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return __sync_val_compare_and_swap(Destination, Comperand, Exchange);
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}
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#else
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#else /* (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) > 40100 && defined(__x86_64__) */
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#ifndef __clang__
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#if !HAS_BUILTIN(_InterlockedCompareExchange64)
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__INTRIN_INLINE long long _InterlockedCompareExchange64(volatile long long * Destination, long long Exchange, long long Comperand)
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{
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long long retval = Comperand;
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@ -617,10 +669,10 @@ __INTRIN_INLINE long long _InterlockedCompareExchange64(volatile long long * Des
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return retval;
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}
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#endif /* !__clang__ */
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#endif
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#endif /* (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) > 40100 && defined(__x86_64__) */
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#ifdef __i386__
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__INTRIN_INLINE long _InterlockedAddLargeStatistic(volatile long long * Addend, long Value)
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{
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@ -655,14 +707,14 @@ __INTRIN_INLINE unsigned char _interlockedbittestandreset64(volatile long long *
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}
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#endif
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#ifndef __clang__
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#if !HAS_BUILTIN(_interlockedbittestandset)
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__INTRIN_INLINE unsigned char _interlockedbittestandset(volatile long * a, long b)
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{
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unsigned char retval;
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__asm__("lock; btsl %[b], %[a]; setc %b[retval]" : [retval] "=q" (retval), [a] "+m" (*a) : [b] "Ir" (b) : "memory");
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return retval;
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}
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#endif /* !__clang__ */
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#endif
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#if defined(__x86_64__)
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__INTRIN_INLINE unsigned char _interlockedbittestandset64(volatile long long * a, long long b)
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@ -675,7 +727,7 @@ __INTRIN_INLINE unsigned char _interlockedbittestandset64(volatile long long * a
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/*** String operations ***/
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#ifndef __clang__
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#if !HAS_BUILTIN(__stosb)
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/* NOTE: we don't set a memory clobber in the __stosX functions because Visual C++ doesn't */
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__INTRIN_INLINE void __stosb(unsigned char * Dest, unsigned char Data, size_t Count)
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{
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@ -873,30 +925,32 @@ __INTRIN_INLINE void __writefsdword(unsigned long Offset, unsigned long Data)
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__asm__ __volatile__("movl %k[Data], %%fs:%a[Offset]" : : [Offset] "ir" (Offset), [Data] "ir" (Data) : "memory");
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}
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#ifndef __clang__
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#if !HAS_BUILTIN(__readfsbyte)
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__INTRIN_INLINE unsigned char __readfsbyte(unsigned long Offset)
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{
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unsigned char value;
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__asm__ __volatile__("movb %%fs:%a[Offset], %b[value]" : [value] "=q" (value) : [Offset] "ir" (Offset));
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return value;
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}
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#endif
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#if !HAS_BUILTIN(__readfsword)
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__INTRIN_INLINE unsigned short __readfsword(unsigned long Offset)
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{
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unsigned short value;
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__asm__ __volatile__("movw %%fs:%a[Offset], %w[value]" : [value] "=r" (value) : [Offset] "ir" (Offset));
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return value;
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}
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#endif
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#if !HAS_BUILTIN(__readfsdword)
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__INTRIN_INLINE unsigned long __readfsdword(unsigned long Offset)
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{
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unsigned long value;
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__asm__ __volatile__("movl %%fs:%a[Offset], %k[value]" : [value] "=r" (value) : [Offset] "ir" (Offset));
|
||||
return value;
|
||||
}
|
||||
|
||||
#endif /* !__clang__ */
|
||||
#endif
|
||||
|
||||
__INTRIN_INLINE void __incfsbyte(unsigned long Offset)
|
||||
{
|
||||
|
|
@ -943,21 +997,21 @@ __INTRIN_INLINE void __addfsdword(unsigned long Offset, unsigned long Data)
|
|||
|
||||
/*** Bit manipulation ***/
|
||||
|
||||
#ifndef __clang__
|
||||
|
||||
#if !HAS_BUILTIN(_BitScanForward)
|
||||
__INTRIN_INLINE unsigned char _BitScanForward(unsigned long * Index, unsigned long Mask)
|
||||
{
|
||||
__asm__("bsfl %[Mask], %[Index]" : [Index] "=r" (*Index) : [Mask] "mr" (Mask));
|
||||
return Mask ? 1 : 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(_BitScanReverse)
|
||||
__INTRIN_INLINE unsigned char _BitScanReverse(unsigned long * Index, unsigned long Mask)
|
||||
{
|
||||
__asm__("bsrl %[Mask], %[Index]" : [Index] "=r" (*Index) : [Mask] "mr" (Mask));
|
||||
return Mask ? 1 : 0;
|
||||
}
|
||||
|
||||
#endif /* !__clang__ */
|
||||
#endif
|
||||
|
||||
/* NOTE: again, the bizarre implementation follows Visual C++ */
|
||||
__INTRIN_INLINE unsigned char _bittest(const long * a, long b)
|
||||
|
|
@ -1076,32 +1130,34 @@ __INTRIN_INLINE unsigned char _bittestandcomplement64(long long * a, long long b
|
|||
return retval;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#ifndef __clang__
|
||||
#endif /* __x86_64__ */
|
||||
|
||||
#if !HAS_BUILTIN(_rotl8)
|
||||
__INTRIN_INLINE unsigned char __cdecl _rotl8(unsigned char value, unsigned char shift)
|
||||
{
|
||||
unsigned char retval;
|
||||
__asm__("rolb %b[shift], %b[retval]" : [retval] "=rm" (retval) : "[retval]" (value), [shift] "Nc" (shift));
|
||||
return retval;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(_rotl16)
|
||||
__INTRIN_INLINE unsigned short __cdecl _rotl16(unsigned short value, unsigned char shift)
|
||||
{
|
||||
unsigned short retval;
|
||||
__asm__("rolw %b[shift], %w[retval]" : [retval] "=rm" (retval) : "[retval]" (value), [shift] "Nc" (shift));
|
||||
return retval;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(_rotl)
|
||||
__INTRIN_INLINE unsigned int __cdecl _rotl(unsigned int value, int shift)
|
||||
{
|
||||
unsigned int retval;
|
||||
__asm__("roll %b[shift], %k[retval]" : [retval] "=rm" (retval) : "[retval]" (value), [shift] "Nc" (shift));
|
||||
return retval;
|
||||
}
|
||||
|
||||
#endif /* !__clang__ */
|
||||
#endif
|
||||
|
||||
#ifdef __x86_64__
|
||||
__INTRIN_INLINE unsigned long long _rotl64(unsigned long long value, int shift)
|
||||
|
|
@ -1111,39 +1167,41 @@ __INTRIN_INLINE unsigned long long _rotl64(unsigned long long value, int shift)
|
|||
return retval;
|
||||
}
|
||||
#else /* __x86_64__ */
|
||||
#ifndef __clang__
|
||||
#if !HAS_BUILTIN(_rotl64)
|
||||
__INTRIN_INLINE unsigned long long __cdecl _rotl64(unsigned long long value, int shift)
|
||||
{
|
||||
/* FIXME: this is probably not optimal */
|
||||
return (value << shift) | (value >> (64 - shift));
|
||||
}
|
||||
#endif /* !__clang__ */
|
||||
#endif /* !HAS_BUILTIN(_rotl64) */
|
||||
#endif /* __x86_64__ */
|
||||
|
||||
#ifndef __clang__
|
||||
|
||||
#if !HAS_BUILTIN(_rotr)
|
||||
__INTRIN_INLINE unsigned int __cdecl _rotr(unsigned int value, int shift)
|
||||
{
|
||||
unsigned int retval;
|
||||
__asm__("rorl %b[shift], %k[retval]" : [retval] "=rm" (retval) : "[retval]" (value), [shift] "Nc" (shift));
|
||||
return retval;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(_rotr8)
|
||||
__INTRIN_INLINE unsigned char __cdecl _rotr8(unsigned char value, unsigned char shift)
|
||||
{
|
||||
unsigned char retval;
|
||||
__asm__("rorb %b[shift], %b[retval]" : [retval] "=qm" (retval) : "[retval]" (value), [shift] "Nc" (shift));
|
||||
return retval;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(_rotr16)
|
||||
__INTRIN_INLINE unsigned short __cdecl _rotr16(unsigned short value, unsigned char shift)
|
||||
{
|
||||
unsigned short retval;
|
||||
__asm__("rorw %b[shift], %w[retval]" : [retval] "=rm" (retval) : "[retval]" (value), [shift] "Nc" (shift));
|
||||
return retval;
|
||||
}
|
||||
|
||||
#endif /* !__clang__ */
|
||||
#endif
|
||||
|
||||
#ifdef __x86_64__
|
||||
__INTRIN_INLINE unsigned long long _rotr64(unsigned long long value, int shift)
|
||||
|
|
@ -1153,32 +1211,32 @@ __INTRIN_INLINE unsigned long long _rotr64(unsigned long long value, int shift)
|
|||
return retval;
|
||||
}
|
||||
#else /* __x86_64__ */
|
||||
#ifndef __clang__
|
||||
#if !HAS_BUILTIN(_rotr64)
|
||||
__INTRIN_INLINE unsigned long long __cdecl _rotr64(unsigned long long value, int shift)
|
||||
{
|
||||
/* FIXME: this is probably not optimal */
|
||||
return (value >> shift) | (value << (64 - shift));
|
||||
}
|
||||
#endif /* !__clang__ */
|
||||
#endif /* !HAS_BUILTIN(_rotr64) */
|
||||
#endif /* __x86_64__ */
|
||||
|
||||
#ifndef __clang__
|
||||
|
||||
#if !HAS_BUILTIN(_lrotl)
|
||||
__INTRIN_INLINE unsigned long __cdecl _lrotl(unsigned long value, int shift)
|
||||
{
|
||||
unsigned long retval;
|
||||
__asm__("roll %b[shift], %k[retval]" : [retval] "=rm" (retval) : "[retval]" (value), [shift] "Nc" (shift));
|
||||
return retval;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(_lrotr)
|
||||
__INTRIN_INLINE unsigned long __cdecl _lrotr(unsigned long value, int shift)
|
||||
{
|
||||
unsigned long retval;
|
||||
__asm__("rorl %b[shift], %k[retval]" : [retval] "=rm" (retval) : "[retval]" (value), [shift] "Nc" (shift));
|
||||
return retval;
|
||||
}
|
||||
|
||||
#endif /* !__clang__ */
|
||||
#endif
|
||||
|
||||
/*
|
||||
NOTE: in __ll_lshift, __ll_rshift and __ull_rshift we use the "A"
|
||||
|
|
@ -1278,19 +1336,19 @@ __INTRIN_INLINE unsigned short __lzcnt16(unsigned short value)
|
|||
return __builtin_clz(value);
|
||||
}
|
||||
|
||||
#ifndef __clang__
|
||||
|
||||
#if !HAS_BUILTIN(__popcnt)
|
||||
__INTRIN_INLINE unsigned int __popcnt(unsigned int value)
|
||||
{
|
||||
return __builtin_popcount(value);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(__popcnt16)
|
||||
__INTRIN_INLINE unsigned short __popcnt16(unsigned short value)
|
||||
{
|
||||
return __builtin_popcount(value);
|
||||
}
|
||||
|
||||
#endif /* !__clang__ */
|
||||
#endif
|
||||
|
||||
#ifdef __x86_64__
|
||||
__INTRIN_INLINE unsigned long long __lzcnt64(unsigned long long value)
|
||||
|
|
@ -1306,23 +1364,23 @@ __INTRIN_INLINE unsigned long long __popcnt64(unsigned long long value)
|
|||
|
||||
/*** 64-bit math ***/
|
||||
|
||||
#ifndef __clang__
|
||||
|
||||
#if !HAS_BUILTIN(__emul)
|
||||
__INTRIN_INLINE long long __emul(int a, int b)
|
||||
{
|
||||
long long retval;
|
||||
__asm__("imull %[b]" : "=A" (retval) : [a] "a" (a), [b] "rm" (b));
|
||||
return retval;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(__emulu)
|
||||
__INTRIN_INLINE unsigned long long __emulu(unsigned int a, unsigned int b)
|
||||
{
|
||||
unsigned long long retval;
|
||||
__asm__("mull %[b]" : "=A" (retval) : [a] "a" (a), [b] "rm" (b));
|
||||
return retval;
|
||||
}
|
||||
|
||||
#endif /* !__clang__ */
|
||||
#endif
|
||||
|
||||
__INTRIN_INLINE long long __cdecl _abs64(long long value)
|
||||
{
|
||||
|
|
@ -1479,7 +1537,7 @@ __INTRIN_INLINE void __cpuidex(int CPUInfo[4], int InfoType, int ECXValue)
|
|||
__asm__ __volatile__("cpuid" : "=a" (CPUInfo[0]), "=b" (CPUInfo[1]), "=c" (CPUInfo[2]), "=d" (CPUInfo[3]) : "a" (InfoType), "c" (ECXValue));
|
||||
}
|
||||
|
||||
#ifndef __clang__
|
||||
#if !HAS_BUILTIN(__rdtsc)
|
||||
__INTRIN_INLINE unsigned long long __rdtsc(void)
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
|
|
@ -1492,7 +1550,7 @@ __INTRIN_INLINE unsigned long long __rdtsc(void)
|
|||
return retval;
|
||||
#endif
|
||||
}
|
||||
#endif /* !__clang__ */
|
||||
#endif /* !HAS_BUILTIN(__rdtsc) */
|
||||
|
||||
__INTRIN_INLINE void __writeeflags(uintptr_t Value)
|
||||
{
|
||||
|
|
@ -1508,24 +1566,26 @@ __INTRIN_INLINE uintptr_t __readeflags(void)
|
|||
|
||||
/*** Interrupts ***/
|
||||
|
||||
#ifndef __clang__
|
||||
|
||||
#if !HAS_BUILTIN(__debugbreak)
|
||||
__INTRIN_INLINE void __cdecl __debugbreak(void)
|
||||
{
|
||||
__asm__("int $3");
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(__ud2)
|
||||
__INTRIN_INLINE void __ud2(void)
|
||||
{
|
||||
__asm__("ud2");
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !HAS_BUILTIN(__int2c)
|
||||
__INTRIN_INLINE void __int2c(void)
|
||||
{
|
||||
__asm__("int $0x2c");
|
||||
}
|
||||
|
||||
#endif /* !__clang__ */
|
||||
#endif
|
||||
|
||||
__INTRIN_INLINE void __cdecl _disable(void)
|
||||
{
|
||||
|
|
@ -1542,7 +1602,7 @@ __INTRIN_INLINE void __halt(void)
|
|||
__asm__("hlt" : : : "memory");
|
||||
}
|
||||
|
||||
#ifndef __clang__
|
||||
#if !HAS_BUILTIN(__fastfail)
|
||||
__declspec(noreturn)
|
||||
__INTRIN_INLINE void __fastfail(unsigned int Code)
|
||||
{
|
||||
|
|
@ -1627,7 +1687,7 @@ __INTRIN_INLINE void __writecr4(unsigned int Data)
|
|||
__asm__("mov %[Data], %%cr4" : : [Data] "r" (Data) : "memory");
|
||||
}
|
||||
|
||||
#ifndef __clang__
|
||||
#if !HAS_BUILTIN(__writecr8)
|
||||
__INTRIN_INLINE void __writecr8(unsigned int Data)
|
||||
{
|
||||
__asm__("mov %[Data], %%cr8" : : [Data] "r" (Data) : "memory");
|
||||
|
|
@ -1662,7 +1722,7 @@ __INTRIN_INLINE unsigned long __readcr4(void)
|
|||
return value;
|
||||
}
|
||||
|
||||
#ifndef __clang__
|
||||
#if !HAS_BUILTIN(__readcr8)
|
||||
__INTRIN_INLINE unsigned long __readcr8(void)
|
||||
{
|
||||
unsigned long value;
|
||||
|
|
@ -1874,7 +1934,7 @@ __INTRIN_INLINE void _sgdt(void *Destination)
|
|||
|
||||
/*** Misc operations ***/
|
||||
|
||||
#ifndef __clang__
|
||||
#if !HAS_BUILTIN(_mm_pause)
|
||||
__INTRIN_INLINE void _mm_pause(void)
|
||||
{
|
||||
__asm__ __volatile__("pause" : : : "memory");
|
||||
|
|
|
|||
Loading…
Reference in a new issue