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#include <stdio.h>
#if defined _WIN32 && (defined(_M_ARM) || defined(_M_ARM64))
# define _ARM64_DISTINCT_NEON_TYPES
# include <Intrin.h>
# include <arm_neon.h>
# define CV_NEON 1
#elif defined(__ARM_NEON__) || (defined (__ARM_NEON) && defined(__aarch64__))
# include <arm_neon.h>
# define CV_NEON 1
#endif
// MSVC 2019 bug. Details: https://github.com/opencv/opencv/pull/16027
void test_aliased_type(const uint8x16_t &a) { }
void test_aliased_type(const int8x16_t &a) { }
#if defined CV_NEON
int test()
{
const float src[] = { 0.0f, 0.0f, 0.0f, 0.0f };
float32x4_t val = vld1q_f32((const float32_t *)(src));
return static_cast<int>(vgetq_lane_f32(val, 0));
}
#else
#error "NEON is not supported"
#endif
int main()
{
printf("%d\n", test());
return 0;
}
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