Update SDL2 to the latest commit (85bbf8e)

libs/SDL2/include/SDL_cpuinfo.h

@@ -79,7 +79,7 @@ _m_prefetch(void *__P)
 #if !defined(SDL_DISABLE_ARM_NEON_H)
 #  if defined(__ARM_NEON)
 #    include <arm_neon.h>
-#  elif defined(__WINDOWS__) || defined(__WINRT__)
+#  elif defined(__WINDOWS__) || defined(__WINRT__) || defined(__GDK__)
 /* Visual Studio doesn't define __ARM_ARCH, but _M_ARM (if set, always 7), and _M_ARM64 (if set, always 1). */
 #    if defined(_M_ARM)
 #      include <armintr.h>
@@ -98,6 +98,14 @@ _m_prefetch(void *__P)
 #if defined(__3dNOW__) && !defined(SDL_DISABLE_MM3DNOW_H)
 #include <mm3dnow.h>
 #endif
+#if defined(__loongarch_sx) && !defined(SDL_DISABLE_LSX_H)
+#include <lsxintrin.h>
+#define __LSX__
+#endif
+#if defined(__loongarch_asx) && !defined(SDL_DISABLE_LASX_H)
+#include <lasxintrin.h>
+#define __LASX__
+#endif
 #if defined(HAVE_IMMINTRIN_H) && !defined(SDL_DISABLE_IMMINTRIN_H)
 #include <immintrin.h>
 #else
@@ -433,6 +441,32 @@ extern DECLSPEC SDL_bool SDLCALL SDL_HasARMSIMD(void);
  */
 extern DECLSPEC SDL_bool SDLCALL SDL_HasNEON(void);
 
+/**
+ * Determine whether the CPU has LSX (LOONGARCH SIMD) features.
+ *
+ * This always returns false on CPUs that aren't using LOONGARCH instruction
+ * sets.
+ *
+ * \returns SDL_TRUE if the CPU has LOONGARCH LSX features or SDL_FALSE if
+ *          not.
+ *
+ * \since This function is available since SDL 2.24.0.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasLSX(void);
+
+/**
+ * Determine whether the CPU has LASX (LOONGARCH SIMD) features.
+ *
+ * This always returns false on CPUs that aren't using LOONGARCH instruction
+ * sets.
+ *
+ * \returns SDL_TRUE if the CPU has LOONGARCH LASX features or SDL_FALSE if
+ *          not.
+ *
+ * \since This function is available since SDL 2.24.0.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasLASX(void);
+
 /**
  * Get the amount of RAM configured in the system.
  *
@@ -494,7 +528,7 @@ extern DECLSPEC size_t SDLCALL SDL_SIMDGetAlignment(void);
  *
  * \since This function is available since SDL 2.0.10.
  *
- * \sa SDL_SIMDAlignment
+ * \sa SDL_SIMDGetAlignment
  * \sa SDL_SIMDRealloc
  * \sa SDL_SIMDFree
  */
@@ -518,7 +552,7 @@ extern DECLSPEC void * SDLCALL SDL_SIMDAlloc(const size_t len);
  *
  * \since This function is available since SDL 2.0.14.
  *
- * \sa SDL_SIMDAlignment
+ * \sa SDL_SIMDGetAlignment
  * \sa SDL_SIMDAlloc
  * \sa SDL_SIMDFree
  */