static void CollectHistogram(const uint8_t* ref, const uint8_t* pred,
int start_block, int end_block,
VP8Histogram* const histo) {
int j;
int distribution[MAX_COEFF_THRESH + 1] = { 0 };
for (j = start_block; j < end_block; ++j) {
int16_t out[16];
VP8FTransform(ref + VP8DspScan[j], pred + VP8DspScan[j], out);
{
int k;
v8i16 coeff0, coeff1;
const v8i16 zero = { 0 };
const v8i16 max_coeff_thr = __msa_ldi_h(MAX_COEFF_THRESH);
LD_SH2(&out[0], 8, coeff0, coeff1);
coeff0 = __msa_add_a_h(coeff0, zero);
coeff1 = __msa_add_a_h(coeff1, zero);
SRAI_H2_SH(coeff0, coeff1, 3);
coeff0 = __msa_min_s_h(coeff0, max_coeff_thr);
coeff1 = __msa_min_s_h(coeff1, max_coeff_thr);
ST_SH2(coeff0, coeff1, &out[0], 8);
for (k = 0; k < 16; ++k) {
++distribution[out[k]];
}
}
}
VP8SetHistogramData(distribution, histo);
}
static uint32_t sub_pixel_sse_diff_4width_h_msa(const uint8_t *src,
int32_t src_stride,
const uint8_t *dst,
int32_t dst_stride,
const uint8_t *filter,
int32_t height,
int32_t *diff) {
int16_t filtval;
uint32_t loop_cnt;
uint32_t ref0, ref1, ref2, ref3;
v16u8 filt0, ref = { 0 };
v16i8 src0, src1, src2, src3;
v16i8 mask = { 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8 };
v8u16 vec0, vec1, vec2, vec3;
v8u16 const255;
v8i16 avg = { 0 };
v4i32 vec, var = { 0 };
filtval = LH(filter);
filt0 = (v16u8)__msa_fill_h(filtval);
const255 = (v8u16)__msa_ldi_h(255);
for (loop_cnt = (height >> 2); loop_cnt--;) {
