diff options
Diffstat (limited to 'vpx_dsp/x86/inv_txfm_sse2.c')
| -rw-r--r-- | vpx_dsp/x86/inv_txfm_sse2.c | 74 |
1 files changed, 4 insertions, 70 deletions
diff --git a/vpx_dsp/x86/inv_txfm_sse2.c b/vpx_dsp/x86/inv_txfm_sse2.c index 32f1b63b8..9e77bdbdb 100644 --- a/vpx_dsp/x86/inv_txfm_sse2.c +++ b/vpx_dsp/x86/inv_txfm_sse2.c @@ -219,57 +219,18 @@ static INLINE void idct8(const __m128i *const in, __m128i *const out) { void vpx_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { - const __m128i final_rounding = _mm_set1_epi16(1 << 4); - __m128i in[8]; int i; // 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); + load_buffer_8x8(input, in); // 2-D for (i = 0; i < 2; i++) { - // 8x8 Transpose is copied from vpx_fdct8x8_sse2() - transpose_16bit_8x8(in, in); - - // 4-stage 1D idct8x8 - idct8(in, in); + idct8_sse2(in); } - // 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]); + write_buffer_8x8(in, dest, stride); } void vpx_idct8x8_1_add_sse2(const tran_low_t *input, uint8_t *dest, @@ -505,7 +466,6 @@ void iadst8_sse2(__m128i *in) { void vpx_idct8x8_12_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i zero = _mm_setzero_si128(); - const __m128i final_rounding = _mm_set1_epi16(1 << 4); const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64); @@ -575,33 +535,7 @@ void vpx_idct8x8_12_add_sse2(const tran_low_t *input, uint8_t *dest, in[4] = in[5] = in[6] = in[7] = zero; idct8(in, in); - // 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]); + write_buffer_8x8(in, dest, stride); } #define IDCT16 \ |