cpu_neon_vfpv4.c 493 B

12345678910111213141516171819
  1. #ifdef _MSC_VER
  2. #include <Intrin.h>
  3. #endif
  4. #include <arm_neon.h>
  5. int main(void)
  6. {
  7. float32x4_t v1 = vdupq_n_f32(1.0f);
  8. float32x4_t v2 = vdupq_n_f32(2.0f);
  9. float32x4_t v3 = vdupq_n_f32(3.0f);
  10. int ret = (int)vgetq_lane_f32(vfmaq_f32(v1, v2, v3), 0);
  11. #ifdef __aarch64__
  12. float64x2_t vd1 = vdupq_n_f64(1.0);
  13. float64x2_t vd2 = vdupq_n_f64(2.0);
  14. float64x2_t vd3 = vdupq_n_f64(3.0);
  15. ret += (int)vgetq_lane_f64(vfmaq_f64(vd1, vd2, vd3), 0);
  16. #endif
  17. return ret;
  18. }