Update Windows SDL to 2.0.4.

[xonotic/xonotic.git] / misc / builddeps / win64 / sdl / include / SDL2 / SDL_atomic.h

diff --git a/misc/builddeps/win64/sdl/include/SDL2/SDL_atomic.h b/misc/builddeps/win64/sdl/include/SDL2/SDL_atomic.h
index bb3a9b657dd83d639f3b14afbdb4483cca4dbedd..56aa81df9862f9580b308dab1bdaf105c83b1af6 100644 (file)
--- a/misc/builddeps/win64/sdl/include/SDL2/SDL_atomic.h
+++ b/misc/builddeps/win64/sdl/include/SDL2/SDL_atomic.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -122,7 +122,8 @@ extern DECLSPEC void SDLCALL SDL_AtomicUnlock(SDL_SpinLock *lock);
 void _ReadWriteBarrier(void);
 #pragma intrinsic(_ReadWriteBarrier)
 #define SDL_CompilerBarrier()   _ReadWriteBarrier()
-#elif defined(__GNUC__)
+#elif (defined(__GNUC__) && !defined(__EMSCRIPTEN__)) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
+/* This is correct for all CPUs when using GCC or Solaris Studio 12.1+. */
 #define SDL_CompilerBarrier()   __asm__ __volatile__ ("" : : : "memory")
 #else
 #define SDL_CompilerBarrier()   \
@@ -169,10 +170,17 @@ extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquire();
 #define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("" : : : "memory")
 #endif /* __GNUC__ && __arm__ */
 #else
+#if (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
+/* This is correct for all CPUs on Solaris when using Solaris Studio 12.1+. */
+#include <mbarrier.h>
+#define SDL_MemoryBarrierRelease()  __machine_rel_barrier()
+#define SDL_MemoryBarrierAcquire()  __machine_acq_barrier()
+#else
 /* This is correct for the x86 and x64 CPUs, and we'll expand this over time. */
 #define SDL_MemoryBarrierRelease()  SDL_CompilerBarrier()
 #define SDL_MemoryBarrierAcquire()  SDL_CompilerBarrier()
 #endif
+#endif
 
 /**
  * \brief A type representing an atomic integer value.  It is a struct