cpuinfo: fix SDL_HasNEON() on older iOS devices, fixed C++ comment.
diff --git a/src/cpuinfo/SDL_cpuinfo.c b/src/cpuinfo/SDL_cpuinfo.c
index 69de2be..c8b0ba7 100644
--- a/src/cpuinfo/SDL_cpuinfo.c
+++ b/src/cpuinfo/SDL_cpuinfo.c
@@ -333,13 +333,12 @@ CPU_haveNEON(void)
#if defined(SDL_CPUINFO_DISABLED) || !defined(__ARM_ARCH)
return 0; /* disabled or not an ARM CPU at all. */
#elif __ARM_ARCH >= 8
- return 1; // ARMv8 always has non-optional NEON support.
+ return 1; /* ARMv8 always has non-optional NEON support. */
+#elif defined(__APPLE__) && (__ARM_ARCH >= 7)
+ /* (note that sysctlbyname("hw.optional.neon") doesn't work!) */
+ return 1; /* all Apple ARMv7 chips and later have NEON. */
#elif defined(__APPLE__)
- /* all hardware that runs iOS 5 and later support NEON, but check anyhow */
- int neon = 0;
- size_t length = sizeof (neon);
- const int error = sysctlbyname("hw.optional.neon", &neon, &length, NULL, 0);
- return (!error) && (neon != 0);
+ return 0; /* assune anything else from Apple doesn't have NEON. */
#elif (defined(__LINUX__) || defined(__ANDROID__)) && defined(HAVE_GETAUXVAL)
return ((getauxval(AT_HWCAP) & HWCAP_NEON) == HWCAP_NEON);
#elif (defined(__LINUX__) || defined(__ANDROID__))