void vp9_iht8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest, int stride,
int tx_type) {
__m128i in[8];
const __m128i final_rounding = _mm_set1_epi16(1 << 4);
// load input data
in[0] = load_input_data8(input);
in[1] = load_input_data8(input + 8 * 1);
in[2] = load_input_data8(input + 8 * 2);
in[3] = load_input_data8(input + 8 * 3);
in[4] = load_input_data8(input + 8 * 4);
in[5] = load_input_data8(input + 8 * 5);
in[6] = load_input_data8(input + 8 * 6);
in[7] = load_input_data8(input + 8 * 7);
switch (tx_type) {
case DCT_DCT:
vpx_idct8_sse2(in);
vpx_idct8_sse2(in);
break;
case ADST_DCT:
vpx_idct8_sse2(in);
iadst8_sse2(in);
break;
case DCT_ADST:
iadst8_sse2(in);
vpx_idct8_sse2(in);
break;
default:
assert(tx_type == ADST_ADST);
iadst8_sse2(in);
iadst8_sse2(in);
break;
}
// Final rounding and shift
in[0] = _mm_adds_epi16(in[0], final_rounding);
in[1] = _mm_adds_epi16(in[1], final_rounding);
in[2] = _mm_adds_epi16(in[2], final_rounding);
in[3] = _mm_adds_epi16(in[3], final_rounding);
in[4] = _mm_adds_epi16(in[4], final_rounding);
in[5] = _mm_adds_epi16(in[5], final_rounding);
in[6] = _mm_adds_epi16(in[6], final_rounding);
in[7] = _mm_adds_epi16(in[7], final_rounding);
in[0] = _mm_srai_epi16(in[0], 5);
in[1] = _mm_srai_epi16(in[1], 5);
in[2] = _mm_srai_epi16(in[2], 5);
in[3] = _mm_srai_epi16(in[3], 5);
in[4] = _mm_srai_epi16(in[4], 5);
in[5] = _mm_srai_epi16(in[5], 5);
in[6] = _mm_srai_epi16(in[6], 5);
in[7] = _mm_srai_epi16(in[7], 5);
recon_and_store(dest + 0 * stride, in[0]);
recon_and_store(dest + 1 * stride, in[1]);
recon_and_store(dest + 2 * stride, in[2]);
recon_and_store(dest + 3 * stride, in[3]);
recon_and_store(dest + 4 * stride, in[4]);
recon_and_store(dest + 5 * stride, in[5]);
recon_and_store(dest + 6 * stride, in[6]);
recon_and_store(dest + 7 * stride, in[7]);
}
void vp10_iht8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest, int stride,
int tx_type) {
__m128i in[8];
const __m128i zero = _mm_setzero_si128();
const __m128i final_rounding = _mm_set1_epi16(1 << 4);
// load input data
in[0] = load_input_data(input);
in[1] = load_input_data(input + 8 * 1);
in[2] = load_input_data(input + 8 * 2);
in[3] = load_input_data(input + 8 * 3);
in[4] = load_input_data(input + 8 * 4);
in[5] = load_input_data(input + 8 * 5);
in[6] = load_input_data(input + 8 * 6);
in[7] = load_input_data(input + 8 * 7);
switch (tx_type) {
case 0: // DCT_DCT
idct8_sse2(in);
idct8_sse2(in);
break;
case 1: // ADST_DCT
idct8_sse2(in);
iadst8_sse2(in);
break;
case 2: // DCT_ADST
iadst8_sse2(in);
idct8_sse2(in);
break;
case 3: // ADST_ADST
iadst8_sse2(in);
iadst8_sse2(in);
break;
default:
assert(0);
break;
}
// Final rounding and shift
in[0] = _mm_adds_epi16(in[0], final_rounding);
in[1] = _mm_adds_epi16(in[1], final_rounding);
in[2] = _mm_adds_epi16(in[2], final_rounding);
in[3] = _mm_adds_epi16(in[3], final_rounding);
in[4] = _mm_adds_epi16(in[4], final_rounding);
in[5] = _mm_adds_epi16(in[5], final_rounding);
in[6] = _mm_adds_epi16(in[6], final_rounding);
in[7] = _mm_adds_epi16(in[7], final_rounding);
in[0] = _mm_srai_epi16(in[0], 5);
in[1] = _mm_srai_epi16(in[1], 5);
in[2] = _mm_srai_epi16(in[2], 5);
in[3] = _mm_srai_epi16(in[3], 5);
in[4] = _mm_srai_epi16(in[4], 5);
in[5] = _mm_srai_epi16(in[5], 5);
in[6] = _mm_srai_epi16(in[6], 5);
in[7] = _mm_srai_epi16(in[7], 5);
RECON_AND_STORE(dest + 0 * stride, in[0]);
RECON_AND_STORE(dest + 1 * stride, in[1]);
RECON_AND_STORE(dest + 2 * stride, in[2]);
RECON_AND_STORE(dest + 3 * stride, in[3]);
RECON_AND_STORE(dest + 4 * stride, in[4]);
RECON_AND_STORE(dest + 5 * stride, in[5]);
RECON_AND_STORE(dest + 6 * stride, in[6]);
RECON_AND_STORE(dest + 7 * stride, in[7]);
}
