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Try to come up with better detection

This commit is contained in:
twinaphex 2016-01-19 18:44:24 +01:00
parent 2df84f2887
commit c4fabd65a1
1 changed files with 6 additions and 10 deletions
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12
performance.c
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@ -547,16 +547,12 @@ uint64_t retro_get_cpu_features(void)
cpu |= RETRO_SIMD_MMXEXT;
}
#elif defined(__MACH__)
int has_neon, has_altivec;
size_t len = sizeof(size_t);
sysctlbyname("hw.optional.altivec", &has_altivec, &len, NULL, 0);
len = sizeof(size_t);
sysctlbyname("hw.optional.neon", &has_neon, &len, NULL, 0);
if (has_neon)
cpu |= RETRO_SIMD_NEON;
if (has_altivec)
size_t alt_len = sizeof(size_t);
if (!sysctlbyname("hw.optional.altivec", NULL, &alt_len, NULL, 0))
cpu |= RETRO_SIMD_VMX;
if (!sysctlbyname("hw.optional.neon", NULL, &len, NULL, 0))
cpu |= RETRO_SIMD_NEON;
#elif defined(__linux__)
cpu_flags = linux_get_cpu_features();