| #include <xmmintrin.h> | |
| #include <stdio.h> | |
| class float4 | |
| { | |
| public: | |
| float4(){} | |
| float4(__m128 in) { m128 = in; } | |
| operator __m128() { return m128; } | |
| operator const __m128() const { return m128; } | |
| __m128 m128; | |
| }; | |
| int main() | |
| { | |
| float4 v = _mm_set_ps(3, 2, 1, 0); | |
| float4 w = _mm_shuffle_ps(v, v, _MM_SHUFFLE(3,3,3,3)); | |
| printf("%d\n", (int)_mm_cvtss_f32(w)); | |
| } |