[PATCH 1/2] include: Implement WriteNoFence64().

[Jinoh Kang]

From: Jinoh Kang

---
 include/winnt.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/include/winnt.h b/include/winnt.h
index e8a47fec963..f0f13afa508 100644
--- a/include/winnt.h
+++ b/include/winnt.h
@@ -7195,6 +7195,19 @@ static FORCEINLINE void WriteNoFence( LONG volatile *dest, LONG value )
     __WINE_STORE32_NO_FENCE( (int volatile *)dest, value );
 }

+static FORCEINLINE void WriteNoFence64( LONG64 volatile *dest, LONG64 value )
+{
+#if defined(__i386__) && _MSC_VER < 1700
+    __asm {
+        mov   eax, dest
+        fild  value
+        fistp qword ptr [eax]
+    }
+#else
+    __WINE_STORE64_NO_FENCE( (__int64 volatile *)dest, value );
+#endif
+}
+
 #elif defined(__GNUC__)

static FORCEINLINE BOOLEAN WINAPI BitScanForward(DWORD *index, DWORD mask)
@@ -7411,6 +7424,15 @@ static FORCEINLINE void WriteNoFence( LONG volatile *dest, LONG value )
     __WINE_ATOMIC_STORE_RELAXED( dest, &value );
 }

+static FORCEINLINE void WriteNoFence64( LONG64 volatile *dest, LONG64 value )
+{
+#ifdef __i386__
+    __asm__ __volatile__( "fildq %1\n\tfistpq %0" : "=m" (*dest) : "m" (value) : "memory", "st" );
+#else
+    __WINE_ATOMIC_STORE_RELAXED( dest, &value );
+#endif
+}
+
 static FORCEINLINE DECLSPEC_NORETURN void __fastfail(unsigned int code)
 {
 #if defined(__x86_64__) || defined(__i386__)