(iOS) Check if NEON support is there

2016-01-19 18:04:26 +01:00 · 2016-01-19 18:04:26 +01:00 · 33b41e9aea
parent d4102f2816
commit 33b41e9aea
1 changed files with 6 additions and 0 deletions
--- a/performance.c
+++ b/performance.c
@ -546,7 +546,13 @@ uint64_t retro_get_cpu_features(void)
      if (flags[3] & (1 << 22))
         cpu |= RETRO_SIMD_MMXEXT;
   }
+#elif defined(__MACH__)
+    int has_neon;
+    size_t len = sizeof(size_t);
+    sysctlbyname("hw.optional.neon", &has_neon, &len, NULL, 0);

+    if (has_neon)
+       cpu |= RETRO_SIMD_NEON;
 #elif defined(__linux__)
   cpu_flags = linux_get_cpu_features();