Rémi Bernon : include: Add ReadNoFence64 inline helpers.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f82b1c1fcf770a5d6fa02c3f286282be79a201b8
URL:    https://gitlab.winehq.org/wine/wine/-/commit/f82b1c1fcf770a5d6fa02c3f286282b...

Author: Rémi Bernon 
Date:   Fri Jun 16 09:58:53 2023 +0200

include: Add ReadNoFence64 inline helpers.

---

include/winnt.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/include/winnt.h b/include/winnt.h
index c4749bf7028..c042afa16c1 100644
--- a/include/winnt.h
+++ b/include/winnt.h
@@ -7082,11 +7082,14 @@ static FORCEINLINE void MemoryBarrier(void)
  */
 #if _MSC_VER >= 1700
 #pragma intrinsic(__iso_volatile_load32)
+#pragma intrinsic(__iso_volatile_load64)
 #pragma intrinsic(__iso_volatile_store32)
 #define __WINE_LOAD32_NO_FENCE(src) (__iso_volatile_load32(src))
+#define __WINE_LOAD64_NO_FENCE(src) (__iso_volatile_load64(src))
 #define __WINE_STORE32_NO_FENCE(dest, value) (__iso_volatile_store32(dest, value))
 #else  /* _MSC_VER >= 1700 */
 #define __WINE_LOAD32_NO_FENCE(src) (*(src))
+#define __WINE_LOAD64_NO_FENCE(src) (*(src))
 #define __WINE_STORE32_NO_FENCE(dest, value) ((void)(*(dest) = (value)))
 #endif  /* _MSC_VER >= 1700 */

@@ -7120,6 +7123,12 @@ static FORCEINLINE LONG ReadNoFence( LONG const volatile *src )
     return value;
 }

+static FORCEINLINE LONG64 ReadNoFence64( LONG64 const volatile *src )
+{
+    LONG64 value = __WINE_LOAD64_NO_FENCE( (__int64 const volatile *)src );
+    return value;
+}
+
 static FORCEINLINE void WriteRelease( LONG volatile *dest, LONG value )
 {
     __wine_memory_barrier_acq_rel();
@@ -7306,6 +7315,13 @@ static FORCEINLINE LONG ReadNoFence( LONG const volatile *src )
     return value;
 }

+static FORCEINLINE LONG64 ReadNoFence64( LONG64 const volatile *src )
+{
+    LONG64 value;
+    __WINE_ATOMIC_LOAD_RELAXED( src, &value );
+    return value;
+}
+
 static FORCEINLINE void WriteRelease( LONG volatile *dest, LONG value )
 {
     __WINE_ATOMIC_STORE_RELEASE( dest, &value );