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merge from amd64 branch:

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38333
[INTRIN_X86]
#define _alloca() to __builtin_alloca() on amd64

46388
[INTRIN_X86]
- Add __stosq, __movsq, _bittest64

svn path=/trunk/; revision=46599
This commit is contained in:
Timo Kreuzer 2010-03-30 16:25:51 +00:00
parent 018a23596b
commit 5ee8d1be0d
1 changed files with 42 additions and 0 deletions
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42
reactos/include/crt/mingw32/intrin_x86.h
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@ -74,6 +74,10 @@ extern "C" {
#define _AddressOfReturnAddress() (&(((void **)(__builtin_frame_address(0)))[1]))
/* TODO: __getcallerseflags but how??? */
/* Maybe the same for x86? */
#ifdef _x86_64
#define _alloca(s) __builtin_alloca(s)
#endif
/*** Atomic operations ***/
@ -565,6 +569,18 @@ __INTRIN_INLINE void __stosd(unsigned long * Dest, const unsigned long Data, siz
);
}
#ifdef _M_AMD64
__INTRIN_INLINE void __stosq(unsigned __int64 * Dest, const unsigned __int64 Data, size_t Count)
{
__asm__ __volatile__
(
"rep; stosq" :
[Dest] "=D" (Dest), [Count] "=c" (Count) :
"[Dest]" (Dest), "a" (Data), "[Count]" (Count)
);
}
#endif
__INTRIN_INLINE void __movsb(unsigned char * Destination, const unsigned char * Source, size_t Count)
{
__asm__ __volatile__
@ -595,6 +611,18 @@ __INTRIN_INLINE void __movsd(unsigned long * Destination, const unsigned long *
);
}
#ifdef _M_AMD64
__INTRIN_INLINE void __movsq(unsigned long * Destination, const unsigned long * Source, size_t Count)
{
__asm__ __volatile__
(
"rep; movsq" :
[Destination] "=D" (Destination), [Source] "=S" (Source), [Count] "=c" (Count) :
"[Destination]" (Destination), "[Source]" (Source), "[Count]" (Count)
);
}
#endif
#if defined(_M_AMD64)
/*** GS segment addressing ***/
@ -787,6 +815,20 @@ __INTRIN_INLINE unsigned char _bittest(const long * const a, const long b)
return retval;
}
#ifdef _M_AMD64
__INTRIN_INLINE unsigned char _bittest64(const __int64 * const a, const __int64 b)
{
unsigned char retval;
if(__builtin_constant_p(b))
__asm__("bt %[b], %[a]; setb %b[retval]" : [retval] "=q" (retval) : [a] "mr" (*(a + (b / 64))), [b] "Ir" (b % 64));
else
__asm__("bt %[b], %[a]; setb %b[retval]" : [retval] "=q" (retval) : [a] "mr" (*a), [b] "r" (b));
return retval;
}
#endif
__INTRIN_INLINE unsigned char _bittestandcomplement(long * const a, const long b)
{
unsigned char retval;