diff options
Diffstat (limited to 'vp9/common/x86/vp9_idct_x86.c')
-rw-r--r-- | vp9/common/x86/vp9_idct_x86.c | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/vp9/common/x86/vp9_idct_x86.c b/vp9/common/x86/vp9_idct_x86.c index 6a35823bd..4bc1b67fc 100644 --- a/vp9/common/x86/vp9_idct_x86.c +++ b/vp9/common/x86/vp9_idct_x86.c @@ -234,4 +234,403 @@ void vp9_idct4_1d_sse2(int16_t *input, int16_t *output) { _mm_storel_epi64((__m128i *)output, in); } + +#define IDCT8x8_1D \ + /* Stage1 */ \ + { \ + const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \ + const __m128i hi_17 = _mm_unpackhi_epi16(in1, in7); \ + const __m128i lo_35 = _mm_unpacklo_epi16(in3, in5); \ + const __m128i hi_35 = _mm_unpackhi_epi16(in3, in5); \ + \ + tmp0 = _mm_madd_epi16(lo_17, stg1_0); \ + tmp1 = _mm_madd_epi16(hi_17, stg1_0); \ + tmp2 = _mm_madd_epi16(lo_17, stg1_1); \ + tmp3 = _mm_madd_epi16(hi_17, stg1_1); \ + tmp4 = _mm_madd_epi16(lo_35, stg1_2); \ + tmp5 = _mm_madd_epi16(hi_35, stg1_2); \ + tmp6 = _mm_madd_epi16(lo_35, stg1_3); \ + tmp7 = _mm_madd_epi16(hi_35, stg1_3); \ + \ + tmp0 = _mm_add_epi32(tmp0, rounding); \ + tmp1 = _mm_add_epi32(tmp1, rounding); \ + tmp2 = _mm_add_epi32(tmp2, rounding); \ + tmp3 = _mm_add_epi32(tmp3, rounding); \ + tmp4 = _mm_add_epi32(tmp4, rounding); \ + tmp5 = _mm_add_epi32(tmp5, rounding); \ + tmp6 = _mm_add_epi32(tmp6, rounding); \ + tmp7 = _mm_add_epi32(tmp7, rounding); \ + \ + tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ + tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ + tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ + tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ + tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); \ + tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); \ + tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); \ + tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); \ + \ + stp1_4 = _mm_packs_epi32(tmp0, tmp1); \ + stp1_7 = _mm_packs_epi32(tmp2, tmp3); \ + stp1_5 = _mm_packs_epi32(tmp4, tmp5); \ + stp1_6 = _mm_packs_epi32(tmp6, tmp7); \ + } \ + \ + /* Stage2 */ \ + { \ + const __m128i lo_04 = _mm_unpacklo_epi16(in0, in4); \ + const __m128i hi_04 = _mm_unpackhi_epi16(in0, in4); \ + const __m128i lo_26 = _mm_unpacklo_epi16(in2, in6); \ + const __m128i hi_26 = _mm_unpackhi_epi16(in2, in6); \ + \ + tmp0 = _mm_madd_epi16(lo_04, stg2_0); \ + tmp1 = _mm_madd_epi16(hi_04, stg2_0); \ + tmp2 = _mm_madd_epi16(lo_04, stg2_1); \ + tmp3 = _mm_madd_epi16(hi_04, stg2_1); \ + tmp4 = _mm_madd_epi16(lo_26, stg2_2); \ + tmp5 = _mm_madd_epi16(hi_26, stg2_2); \ + tmp6 = _mm_madd_epi16(lo_26, stg2_3); \ + tmp7 = _mm_madd_epi16(hi_26, stg2_3); \ + \ + tmp0 = _mm_add_epi32(tmp0, rounding); \ + tmp1 = _mm_add_epi32(tmp1, rounding); \ + tmp2 = _mm_add_epi32(tmp2, rounding); \ + tmp3 = _mm_add_epi32(tmp3, rounding); \ + tmp4 = _mm_add_epi32(tmp4, rounding); \ + tmp5 = _mm_add_epi32(tmp5, rounding); \ + tmp6 = _mm_add_epi32(tmp6, rounding); \ + tmp7 = _mm_add_epi32(tmp7, rounding); \ + \ + tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ + tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ + tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ + tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ + tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); \ + tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); \ + tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); \ + tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); \ + \ + stp2_0 = _mm_packs_epi32(tmp0, tmp1); \ + stp2_1 = _mm_packs_epi32(tmp2, tmp3); \ + stp2_2 = _mm_packs_epi32(tmp4, tmp5); \ + stp2_3 = _mm_packs_epi32(tmp6, tmp7); \ + \ + stp2_4 = _mm_adds_epi16(stp1_4, stp1_5); \ + stp2_5 = _mm_subs_epi16(stp1_4, stp1_5); \ + stp2_6 = _mm_subs_epi16(stp1_7, stp1_6); \ + stp2_7 = _mm_adds_epi16(stp1_7, stp1_6); \ + } \ + \ + /* Stage3 */ \ + { \ + const __m128i lo_56 = _mm_unpacklo_epi16(stp2_6, stp2_5); \ + const __m128i hi_56 = _mm_unpackhi_epi16(stp2_6, stp2_5); \ + \ + stp1_0 = _mm_adds_epi16(stp2_0, stp2_3); \ + stp1_1 = _mm_adds_epi16(stp2_1, stp2_2); \ + stp1_2 = _mm_subs_epi16(stp2_1, stp2_2); \ + stp1_3 = _mm_subs_epi16(stp2_0, stp2_3); \ + \ + tmp0 = _mm_madd_epi16(lo_56, stg2_1); \ + tmp1 = _mm_madd_epi16(hi_56, stg2_1); \ + tmp2 = _mm_madd_epi16(lo_56, stg2_0); \ + tmp3 = _mm_madd_epi16(hi_56, stg2_0); \ + \ + tmp0 = _mm_add_epi32(tmp0, rounding); \ + tmp1 = _mm_add_epi32(tmp1, rounding); \ + tmp2 = _mm_add_epi32(tmp2, rounding); \ + tmp3 = _mm_add_epi32(tmp3, rounding); \ + \ + tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ + tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ + tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ + tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ + \ + stp1_5 = _mm_packs_epi32(tmp0, tmp1); \ + stp1_6 = _mm_packs_epi32(tmp2, tmp3); \ + } \ + \ + /* Stage4 */ \ + in0 = _mm_adds_epi16(stp1_0, stp2_7); \ + in1 = _mm_adds_epi16(stp1_1, stp1_6); \ + in2 = _mm_adds_epi16(stp1_2, stp1_5); \ + in3 = _mm_adds_epi16(stp1_3, stp2_4); \ + in4 = _mm_subs_epi16(stp1_3, stp2_4); \ + in5 = _mm_subs_epi16(stp1_2, stp1_5); \ + in6 = _mm_subs_epi16(stp1_1, stp1_6); \ + in7 = _mm_subs_epi16(stp1_0, stp2_7); + +void vp9_short_idct8x8_sse2(int16_t *input, int16_t *output, int pitch) { + const int half_pitch = pitch >> 1; + const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); + 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); + const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64); + const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64); + const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64); + const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64); + const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64); + + __m128i in0, in1, in2, in3, in4, in5, in6, in7; + __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7; + __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7; + __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; + int i; + + // Load input data. + in0 = _mm_load_si128((__m128i *)input); + in1 = _mm_load_si128((__m128i *)(input + 8 * 1)); + in2 = _mm_load_si128((__m128i *)(input + 8 * 2)); + in3 = _mm_load_si128((__m128i *)(input + 8 * 3)); + in4 = _mm_load_si128((__m128i *)(input + 8 * 4)); + in5 = _mm_load_si128((__m128i *)(input + 8 * 5)); + in6 = _mm_load_si128((__m128i *)(input + 8 * 6)); + in7 = _mm_load_si128((__m128i *)(input + 8 * 7)); + + // 2-D + for (i = 0; i < 2; i++) { + // 8x8 Transpose is copied from vp9_short_fdct8x8_sse2() + { + const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); + const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); + const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); + const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); + const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); + const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); + const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5); + const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7); + + const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); + const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); + const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); + const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); + const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); + const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); + const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); + const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); + + in0 = _mm_unpacklo_epi64(tr1_0, tr1_4); + in1 = _mm_unpackhi_epi64(tr1_0, tr1_4); + in2 = _mm_unpacklo_epi64(tr1_2, tr1_6); + in3 = _mm_unpackhi_epi64(tr1_2, tr1_6); + in4 = _mm_unpacklo_epi64(tr1_1, tr1_5); + in5 = _mm_unpackhi_epi64(tr1_1, tr1_5); + in6 = _mm_unpacklo_epi64(tr1_3, tr1_7); + in7 = _mm_unpackhi_epi64(tr1_3, tr1_7); + } + + // 4-stage 1D idct8x8 + IDCT8x8_1D + } + + // Final rounding and shift + in0 = _mm_add_epi16(in0, final_rounding); + in1 = _mm_add_epi16(in1, final_rounding); + in2 = _mm_add_epi16(in2, final_rounding); + in3 = _mm_add_epi16(in3, final_rounding); + in4 = _mm_add_epi16(in4, final_rounding); + in5 = _mm_add_epi16(in5, final_rounding); + in6 = _mm_add_epi16(in6, final_rounding); + in7 = _mm_add_epi16(in7, final_rounding); + + in0 = _mm_srai_epi16(in0, 5); + in1 = _mm_srai_epi16(in1, 5); + in2 = _mm_srai_epi16(in2, 5); + in3 = _mm_srai_epi16(in3, 5); + in4 = _mm_srai_epi16(in4, 5); + in5 = _mm_srai_epi16(in5, 5); + in6 = _mm_srai_epi16(in6, 5); + in7 = _mm_srai_epi16(in7, 5); + + // Store results + _mm_store_si128((__m128i *)output, in0); + _mm_store_si128((__m128i *)(output + half_pitch * 1), in1); + _mm_store_si128((__m128i *)(output + half_pitch * 2), in2); + _mm_store_si128((__m128i *)(output + half_pitch * 3), in3); + _mm_store_si128((__m128i *)(output + half_pitch * 4), in4); + _mm_store_si128((__m128i *)(output + half_pitch * 5), in5); + _mm_store_si128((__m128i *)(output + half_pitch * 6), in6); + _mm_store_si128((__m128i *)(output + half_pitch * 7), in7); +} + +void vp9_short_idct10_8x8_sse2(int16_t *input, int16_t *output, int pitch) { + const int half_pitch = pitch >> 1; + const __m128i zero = _mm_setzero_si128(); + const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); + 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); + const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64); + const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64); + const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64); + const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64); + const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64); + const __m128i stg3_0 = pair_set_epi16(-cospi_16_64, cospi_16_64); + + __m128i in0, in1, in2, in3, in4, in5, in6, in7; + __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7; + __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7; + __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; + + // Rows. Load 4-row input data. + in0 = _mm_load_si128((__m128i *)input); + in1 = _mm_load_si128((__m128i *)(input + 8 * 1)); + in2 = _mm_load_si128((__m128i *)(input + 8 * 2)); + in3 = _mm_load_si128((__m128i *)(input + 8 * 3)); + + // 8x4 Transpose + { + const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); + const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); + const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); + const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); + + in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); // i1 i0 + in1 = _mm_unpacklo_epi32(tr0_2, tr0_3); // i5 i4 + in2 = _mm_unpackhi_epi32(tr0_0, tr0_1); // i3 i2 + in3 = _mm_unpackhi_epi32(tr0_2, tr0_3); // i7 i6 + } + + // Stage1 + { + const __m128i lo_17 = _mm_unpackhi_epi16(in0, in3); + const __m128i lo_35 = _mm_unpackhi_epi16(in2, in1); + + tmp0 = _mm_madd_epi16(lo_17, stg1_0); + tmp2 = _mm_madd_epi16(lo_17, stg1_1); + tmp4 = _mm_madd_epi16(lo_35, stg1_2); + tmp6 = _mm_madd_epi16(lo_35, stg1_3); + + tmp0 = _mm_add_epi32(tmp0, rounding); + tmp2 = _mm_add_epi32(tmp2, rounding); + tmp4 = _mm_add_epi32(tmp4, rounding); + tmp6 = _mm_add_epi32(tmp6, rounding); + tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); + tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); + tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); + tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); + + stp1_4 = _mm_packs_epi32(tmp0, zero); + stp1_7 = _mm_packs_epi32(tmp2, zero); + stp1_5 = _mm_packs_epi32(tmp4, zero); + stp1_6 = _mm_packs_epi32(tmp6, zero); + } + + // Stage2 + { + const __m128i lo_04 = _mm_unpacklo_epi16(in0, in1); + const __m128i lo_26 = _mm_unpacklo_epi16(in2, in3); + + tmp0 = _mm_madd_epi16(lo_04, stg2_0); + tmp2 = _mm_madd_epi16(lo_04, stg2_1); + tmp4 = _mm_madd_epi16(lo_26, stg2_2); + tmp6 = _mm_madd_epi16(lo_26, stg2_3); + + tmp0 = _mm_add_epi32(tmp0, rounding); + tmp2 = _mm_add_epi32(tmp2, rounding); + tmp4 = _mm_add_epi32(tmp4, rounding); + tmp6 = _mm_add_epi32(tmp6, rounding); + tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); + tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); + tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); + tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); + + stp2_0 = _mm_packs_epi32(tmp0, zero); + stp2_1 = _mm_packs_epi32(tmp2, zero); + stp2_2 = _mm_packs_epi32(tmp4, zero); + stp2_3 = _mm_packs_epi32(tmp6, zero); + + stp2_4 = _mm_adds_epi16(stp1_4, stp1_5); + stp2_5 = _mm_subs_epi16(stp1_4, stp1_5); + stp2_6 = _mm_subs_epi16(stp1_7, stp1_6); + stp2_7 = _mm_adds_epi16(stp1_7, stp1_6); + } + + // Stage3 + { + const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6); + stp1_0 = _mm_adds_epi16(stp2_0, stp2_3); + stp1_1 = _mm_adds_epi16(stp2_1, stp2_2); + stp1_2 = _mm_subs_epi16(stp2_1, stp2_2); + stp1_3 = _mm_subs_epi16(stp2_0, stp2_3); + + tmp0 = _mm_madd_epi16(lo_56, stg3_0); + tmp2 = _mm_madd_epi16(lo_56, stg2_0); // stg3_1 = stg2_0 + + tmp0 = _mm_add_epi32(tmp0, rounding); + tmp2 = _mm_add_epi32(tmp2, rounding); + tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); + tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); + + stp1_5 = _mm_packs_epi32(tmp0, zero); + stp1_6 = _mm_packs_epi32(tmp2, zero); + } + + // Stage4 + in0 = _mm_adds_epi16(stp1_0, stp2_7); + in1 = _mm_adds_epi16(stp1_1, stp1_6); + in2 = _mm_adds_epi16(stp1_2, stp1_5); + in3 = _mm_adds_epi16(stp1_3, stp2_4); + in4 = _mm_subs_epi16(stp1_3, stp2_4); + in5 = _mm_subs_epi16(stp1_2, stp1_5); + in6 = _mm_subs_epi16(stp1_1, stp1_6); + in7 = _mm_subs_epi16(stp1_0, stp2_7); + + // Columns. 4x8 Transpose + { + const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); + const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); + const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); + const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); + + const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); + const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); + const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); + const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); + + in0 = _mm_unpacklo_epi64(tr1_0, tr1_4); + in1 = _mm_unpackhi_epi64(tr1_0, tr1_4); + in2 = _mm_unpacklo_epi64(tr1_2, tr1_6); + in3 = _mm_unpackhi_epi64(tr1_2, tr1_6); + in4 = _mm_setzero_si128(); + in5 = _mm_setzero_si128(); + in6 = _mm_setzero_si128(); + in7 = _mm_setzero_si128(); + } + + // 1D idct8x8 + IDCT8x8_1D + + // Final rounding and shift + in0 = _mm_add_epi16(in0, final_rounding); + in1 = _mm_add_epi16(in1, final_rounding); + in2 = _mm_add_epi16(in2, final_rounding); + in3 = _mm_add_epi16(in3, final_rounding); + in4 = _mm_add_epi16(in4, final_rounding); + in5 = _mm_add_epi16(in5, final_rounding); + in6 = _mm_add_epi16(in6, final_rounding); + in7 = _mm_add_epi16(in7, final_rounding); + + in0 = _mm_srai_epi16(in0, 5); + in1 = _mm_srai_epi16(in1, 5); + in2 = _mm_srai_epi16(in2, 5); + in3 = _mm_srai_epi16(in3, 5); + in4 = _mm_srai_epi16(in4, 5); + in5 = _mm_srai_epi16(in5, 5); + in6 = _mm_srai_epi16(in6, 5); + in7 = _mm_srai_epi16(in7, 5); + + // Store results + _mm_store_si128((__m128i *)output, in0); + _mm_store_si128((__m128i *)(output + half_pitch * 1), in1); + _mm_store_si128((__m128i *)(output + half_pitch * 2), in2); + _mm_store_si128((__m128i *)(output + half_pitch * 3), in3); + _mm_store_si128((__m128i *)(output + half_pitch * 4), in4); + _mm_store_si128((__m128i *)(output + half_pitch * 5), in5); + _mm_store_si128((__m128i *)(output + half_pitch * 6), in6); + _mm_store_si128((__m128i *)(output + half_pitch * 7), in7); +} #endif |