f4334277
 Hu Chunming
提交3rdparty
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#include <stdio.h>
#if defined __F16C__ || (defined _MSC_VER && _MSC_VER >= 1700 && defined __AVX__) || (defined __INTEL_COMPILER && defined __AVX__)
#include <immintrin.h>
int test()
{
const float src[] = { 0.0f, 0.0f, 0.0f, 0.0f };
short dst[8];
__m128 v_src = _mm_load_ps(src);
__m128i v_dst = _mm_cvtps_ph(v_src, 0);
_mm_storel_epi64((__m128i*)dst, v_dst);
return (int)dst[0];
}
#elif defined __GNUC__ && (defined __arm__ || defined __aarch64__)
#include "arm_neon.h"
int test()
{
const float src[] = { 0.0f, 0.0f, 0.0f, 0.0f };
short dst[8];
float32x4_t v_src = *(float32x4_t*)src;
float16x4_t v_dst = vcvt_f16_f32(v_src);
*(float16x4_t*)dst = v_dst;
return (int)dst[0];
}
#else
#error "FP16 is not supported"
#endif
int main()
{
printf("%d\n", test());
return 0;
}
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