#elif defined(__mips64)
#define SLJIT_CONFIG_MIPS_64 1
#elif defined(__sparc__) || defined(__sparc)
-#define SLJIT_CONFIG_SPARC_32 1
+# if defined(__arch64__)
+# define SLJIT_CONFIG_UNSUPPORTED 1
+# else
+# define SLJIT_CONFIG_SPARC_32 1
+# endif
#elif defined(__tilegx__)
#define SLJIT_CONFIG_TILEGX 1
#else