void vp9_lpf_vertical_4_msa(uint8_t *src, int32_t pitch,
                            const uint8_t *b_limit_ptr,
                            const uint8_t *limit_ptr,
                            const uint8_t *thresh_ptr,
                            int32_t count) {
  v16u8 mask, hev, flat, limit, thresh, b_limit;
  v16u8 p3, p2, p1, p0, q3, q2, q1, q0;
  v8i16 vec0, vec1, vec2, vec3;

  (void)count;

  LD_UB8((src - 4), pitch, p3, p2, p1, p0, q0, q1, q2, q3);

  thresh = (v16u8)__msa_fill_b(*thresh_ptr);
  b_limit = (v16u8)__msa_fill_b(*b_limit_ptr);
  limit = (v16u8)__msa_fill_b(*limit_ptr);

  TRANSPOSE8x8_UB_UB(p3, p2, p1, p0, q0, q1, q2, q3,
                     p3, p2, p1, p0, q0, q1, q2, q3);
  LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
               hev, mask, flat);
  VP9_LPF_FILTER4_8W(p1, p0, q0, q1, mask, hev, p1, p0, q0, q1);
  ILVR_B2_SH(p0, p1, q1, q0, vec0, vec1);
  ILVRL_H2_SH(vec1, vec0, vec2, vec3);

  src -= 2;
  ST4x4_UB(vec2, vec2, 0, 1, 2, 3, src, pitch);
  src += 4 * pitch;
  ST4x4_UB(vec3, vec3, 0, 1, 2, 3, src, pitch);
}
void vpx_lpf_vertical_8_msa(uint8_t *src, int32_t pitch,
                            const uint8_t *b_limit_ptr,
                            const uint8_t *limit_ptr,
                            const uint8_t *thresh_ptr) {
  v16u8 p3, p2, p1, p0, q3, q2, q1, q0;
  v16u8 p1_out, p0_out, q0_out, q1_out;
  v16u8 flat, mask, hev, thresh, b_limit, limit;
  v8u16 p3_r, p2_r, p1_r, p0_r, q0_r, q1_r, q2_r, q3_r;
  v8i16 p2_filt8_r, p1_filt8_r, p0_filt8_r, q0_filt8_r, q1_filt8_r, q2_filt8_r;
  v16u8 zero = { 0 };
  v8i16 vec0, vec1, vec2, vec3, vec4;

  /* load vector elements */
  LD_UB8(src - 4, pitch, p3, p2, p1, p0, q0, q1, q2, q3);

  TRANSPOSE8x8_UB_UB(p3, p2, p1, p0, q0, q1, q2, q3,
                     p3, p2, p1, p0, q0, q1, q2, q3);

  thresh = (v16u8)__msa_fill_b(*thresh_ptr);
  b_limit = (v16u8)__msa_fill_b(*b_limit_ptr);
  limit = (v16u8)__msa_fill_b(*limit_ptr);

  /* mask and hev */
  LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
               hev, mask, flat);
  /* flat4 */
  VP9_FLAT4(p3, p2, p0, q0, q2, q3, flat);
  /* filter4 */
  VP9_LPF_FILTER4_8W(p1, p0, q0, q1, mask, hev, p1_out, p0_out, q0_out, q1_out);

  flat = (v16u8)__msa_ilvr_d((v2i64)zero, (v2i64)flat);

  if (__msa_test_bz_v(flat)) {
    /* Store 4 pixels p1-_q1 */
    ILVR_B2_SH(p0_out, p1_out, q1_out, q0_out, vec0, vec1);
    ILVRL_H2_SH(vec1, vec0, vec2, vec3);

    src -= 2;
    ST4x4_UB(vec2, vec2, 0, 1, 2, 3, src, pitch);
    src += 4 * pitch;
    ST4x4_UB(vec3, vec3, 0, 1, 2, 3, src, pitch);
  } else {
    ILVR_B8_UH(zero, p3, zero, p2, zero, p1, zero, p0, zero, q0, zero, q1,
               zero, q2, zero, q3, p3_r, p2_r, p1_r, p0_r, q0_r, q1_r, q2_r,
               q3_r);
    VP9_FILTER8(p3_r, p2_r, p1_r, p0_r, q0_r, q1_r, q2_r, q3_r, p2_filt8_r,
                p1_filt8_r, p0_filt8_r, q0_filt8_r, q1_filt8_r, q2_filt8_r);
    /* convert 16 bit output data into 8 bit */
    PCKEV_B4_SH(p2_filt8_r, p2_filt8_r, p1_filt8_r, p1_filt8_r, p0_filt8_r,
                p0_filt8_r, q0_filt8_r, q0_filt8_r, p2_filt8_r, p1_filt8_r,
                p0_filt8_r, q0_filt8_r);
    PCKEV_B2_SH(q1_filt8_r, q1_filt8_r, q2_filt8_r, q2_filt8_r, q1_filt8_r,
                q2_filt8_r);

    /* store pixel values */
    p2 = __msa_bmnz_v(p2, (v16u8)p2_filt8_r, flat);
    p1 = __msa_bmnz_v(p1_out, (v16u8)p1_filt8_r, flat);
    p0 = __msa_bmnz_v(p0_out, (v16u8)p0_filt8_r, flat);
    q0 = __msa_bmnz_v(q0_out, (v16u8)q0_filt8_r, flat);
    q1 = __msa_bmnz_v(q1_out, (v16u8)q1_filt8_r, flat);
    q2 = __msa_bmnz_v(q2, (v16u8)q2_filt8_r, flat);

    /* Store 6 pixels p2-_q2 */
    ILVR_B2_SH(p1, p2, q0, p0, vec0, vec1);
    ILVRL_H2_SH(vec1, vec0, vec2, vec3);
    vec4 = (v8i16)__msa_ilvr_b((v16i8)q2, (v16i8)q1);

    src -= 3;
    ST4x4_UB(vec2, vec2, 0, 1, 2, 3, src, pitch);
    ST2x4_UB(vec4, 0, src + 4, pitch);
    src += (4 * pitch);
    ST4x4_UB(vec3, vec3, 0, 1, 2, 3, src, pitch);
    ST2x4_UB(vec4, 4, src + 4, pitch);
  }
}