cpu_asimddp.c 380 B

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  1. #ifdef _MSC_VER
  2. #include <Intrin.h>
  3. #endif
  4. #include <arm_neon.h>
  5. int main(void)
  6. {
  7. uint8x16_t v1 = vdupq_n_u8((unsigned char)1), v2 = vdupq_n_u8((unsigned char)2);
  8. uint32x4_t va = vdupq_n_u32(3);
  9. int ret = (int)vgetq_lane_u32(vdotq_u32(va, v1, v2), 0);
  10. #ifdef __aarch64__
  11. ret += (int)vgetq_lane_u32(vdotq_laneq_u32(va, v1, v2, 0), 0);
  12. #endif
  13. return ret;
  14. }