Commit cf85710cf84707797bde8c7da1307014e0b335eb
2021-07-28T22:55:10
SDL_audiocvt.c: disable AVX for clang < 5 and gcc < 4.9 See: https://github.com/libsdl-org/SDL/issues/4533
diff --git a/src/audio/SDL_audiocvt.c b/src/audio/SDL_audiocvt.c
index 23d1906..97f10df 100644
--- a/src/audio/SDL_audiocvt.c
+++ b/src/audio/SDL_audiocvt.c
@@ -46,6 +46,15 @@
#if defined(HAVE_IMMINTRIN_H) && !defined(SDL_DISABLE_IMMINTRIN_H)
#define HAVE_AVX_INTRINSICS 1
#endif
+#if defined __clang__
+# if (__clang_major__ < 5)
+# undef HAVE_AVX_INTRINSICS
+# endif
+#elif defined __GNUC__
+# if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 9)
+# undef HAVE_AVX_INTRINSICS
+# endif
+#endif
#if HAVE_SSE3_INTRINSICS
/* Convert from stereo to mono. Average left and right. */