| Index: third_party/libvpx/source/libvpx/vp9/common/x86/vp9_idct_intrin_sse2.c
|
| diff --git a/third_party/libvpx/source/libvpx/vp9/common/x86/vp9_idct_intrin_sse2.c b/third_party/libvpx/source/libvpx/vp9/common/x86/vp9_idct_intrin_sse2.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..0385c7955c902bf09ad89117e8f20b696855acdf
|
| --- /dev/null
|
| +++ b/third_party/libvpx/source/libvpx/vp9/common/x86/vp9_idct_intrin_sse2.c
|
| @@ -0,0 +1,4255 @@
|
| +/*
|
| + * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
|
| + *
|
| + * Use of this source code is governed by a BSD-style license
|
| + * that can be found in the LICENSE file in the root of the source
|
| + * tree. An additional intellectual property rights grant can be found
|
| + * in the file PATENTS. All contributing project authors may
|
| + * be found in the AUTHORS file in the root of the source tree.
|
| + */
|
| +
|
| +#include "vp9/common/x86/vp9_idct_intrin_sse2.h"
|
| +#include "vp9/common/vp9_idct.h"
|
| +
|
| +#define RECON_AND_STORE4X4(dest, in_x) \
|
| +{ \
|
| + __m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest)); \
|
| + d0 = _mm_unpacklo_epi8(d0, zero); \
|
| + d0 = _mm_add_epi16(in_x, d0); \
|
| + d0 = _mm_packus_epi16(d0, d0); \
|
| + *(int *)(dest) = _mm_cvtsi128_si32(d0); \
|
| +}
|
| +
|
| +void vp9_idct4x4_16_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
|
| + const __m128i zero = _mm_setzero_si128();
|
| + const __m128i eight = _mm_set1_epi16(8);
|
| + const __m128i cst = _mm_setr_epi16(
|
| + (int16_t)cospi_16_64, (int16_t)cospi_16_64, (int16_t)cospi_16_64,
|
| + (int16_t)-cospi_16_64, (int16_t)cospi_24_64, (int16_t)-cospi_8_64,
|
| + (int16_t)cospi_8_64, (int16_t)cospi_24_64);
|
| + const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + __m128i input0, input1, input2, input3;
|
| +
|
| + // Rows
|
| + input0 = _mm_load_si128((const __m128i *)input);
|
| + input2 = _mm_load_si128((const __m128i *)(input + 8));
|
| +
|
| + // Construct i3, i1, i3, i1, i2, i0, i2, i0
|
| + input0 = _mm_shufflelo_epi16(input0, 0xd8);
|
| + input0 = _mm_shufflehi_epi16(input0, 0xd8);
|
| + input2 = _mm_shufflelo_epi16(input2, 0xd8);
|
| + input2 = _mm_shufflehi_epi16(input2, 0xd8);
|
| +
|
| + input1 = _mm_unpackhi_epi32(input0, input0);
|
| + input0 = _mm_unpacklo_epi32(input0, input0);
|
| + input3 = _mm_unpackhi_epi32(input2, input2);
|
| + input2 = _mm_unpacklo_epi32(input2, input2);
|
| +
|
| + // Stage 1
|
| + input0 = _mm_madd_epi16(input0, cst);
|
| + input1 = _mm_madd_epi16(input1, cst);
|
| + input2 = _mm_madd_epi16(input2, cst);
|
| + input3 = _mm_madd_epi16(input3, cst);
|
| +
|
| + input0 = _mm_add_epi32(input0, rounding);
|
| + input1 = _mm_add_epi32(input1, rounding);
|
| + input2 = _mm_add_epi32(input2, rounding);
|
| + input3 = _mm_add_epi32(input3, rounding);
|
| +
|
| + input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
|
| + input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
|
| + input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
|
| + input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
|
| +
|
| + // Stage 2
|
| + input0 = _mm_packs_epi32(input0, input1);
|
| + input1 = _mm_packs_epi32(input2, input3);
|
| +
|
| + // Transpose
|
| + input2 = _mm_unpacklo_epi16(input0, input1);
|
| + input3 = _mm_unpackhi_epi16(input0, input1);
|
| + input0 = _mm_unpacklo_epi32(input2, input3);
|
| + input1 = _mm_unpackhi_epi32(input2, input3);
|
| +
|
| + // Switch column2, column 3, and then, we got:
|
| + // input2: column1, column 0; input3: column2, column 3.
|
| + input1 = _mm_shuffle_epi32(input1, 0x4e);
|
| + input2 = _mm_add_epi16(input0, input1);
|
| + input3 = _mm_sub_epi16(input0, input1);
|
| +
|
| + // Columns
|
| + // Construct i3, i1, i3, i1, i2, i0, i2, i0
|
| + input0 = _mm_unpacklo_epi32(input2, input2);
|
| + input1 = _mm_unpackhi_epi32(input2, input2);
|
| + input2 = _mm_unpackhi_epi32(input3, input3);
|
| + input3 = _mm_unpacklo_epi32(input3, input3);
|
| +
|
| + // Stage 1
|
| + input0 = _mm_madd_epi16(input0, cst);
|
| + input1 = _mm_madd_epi16(input1, cst);
|
| + input2 = _mm_madd_epi16(input2, cst);
|
| + input3 = _mm_madd_epi16(input3, cst);
|
| +
|
| + input0 = _mm_add_epi32(input0, rounding);
|
| + input1 = _mm_add_epi32(input1, rounding);
|
| + input2 = _mm_add_epi32(input2, rounding);
|
| + input3 = _mm_add_epi32(input3, rounding);
|
| +
|
| + input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
|
| + input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
|
| + input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
|
| + input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
|
| +
|
| + // Stage 2
|
| + input0 = _mm_packs_epi32(input0, input2);
|
| + input1 = _mm_packs_epi32(input1, input3);
|
| +
|
| + // Transpose
|
| + input2 = _mm_unpacklo_epi16(input0, input1);
|
| + input3 = _mm_unpackhi_epi16(input0, input1);
|
| + input0 = _mm_unpacklo_epi32(input2, input3);
|
| + input1 = _mm_unpackhi_epi32(input2, input3);
|
| +
|
| + // Switch column2, column 3, and then, we got:
|
| + // input2: column1, column 0; input3: column2, column 3.
|
| + input1 = _mm_shuffle_epi32(input1, 0x4e);
|
| + input2 = _mm_add_epi16(input0, input1);
|
| + input3 = _mm_sub_epi16(input0, input1);
|
| +
|
| + // Final round and shift
|
| + input2 = _mm_add_epi16(input2, eight);
|
| + input3 = _mm_add_epi16(input3, eight);
|
| +
|
| + input2 = _mm_srai_epi16(input2, 4);
|
| + input3 = _mm_srai_epi16(input3, 4);
|
| +
|
| + // Reconstruction and Store
|
| + {
|
| + __m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest));
|
| + __m128i d2 = _mm_cvtsi32_si128(*(const int *)(dest + stride * 2));
|
| + d0 = _mm_unpacklo_epi32(d0,
|
| + _mm_cvtsi32_si128(*(const int *)(dest + stride)));
|
| + d2 = _mm_unpacklo_epi32(
|
| + _mm_cvtsi32_si128(*(const int *)(dest + stride * 3)), d2);
|
| + d0 = _mm_unpacklo_epi8(d0, zero);
|
| + d2 = _mm_unpacklo_epi8(d2, zero);
|
| + d0 = _mm_add_epi16(d0, input2);
|
| + d2 = _mm_add_epi16(d2, input3);
|
| + d0 = _mm_packus_epi16(d0, d2);
|
| + // store input0
|
| + *(int *)dest = _mm_cvtsi128_si32(d0);
|
| + // store input1
|
| + d0 = _mm_srli_si128(d0, 4);
|
| + *(int *)(dest + stride) = _mm_cvtsi128_si32(d0);
|
| + // store input2
|
| + d0 = _mm_srli_si128(d0, 4);
|
| + *(int *)(dest + stride * 3) = _mm_cvtsi128_si32(d0);
|
| + // store input3
|
| + d0 = _mm_srli_si128(d0, 4);
|
| + *(int *)(dest + stride * 2) = _mm_cvtsi128_si32(d0);
|
| + }
|
| +}
|
| +
|
| +void vp9_idct4x4_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
|
| + __m128i dc_value;
|
| + const __m128i zero = _mm_setzero_si128();
|
| + int a;
|
| +
|
| + a = dct_const_round_shift(input[0] * cospi_16_64);
|
| + a = dct_const_round_shift(a * cospi_16_64);
|
| + a = ROUND_POWER_OF_TWO(a, 4);
|
| +
|
| + dc_value = _mm_set1_epi16(a);
|
| +
|
| + RECON_AND_STORE4X4(dest + 0 * stride, dc_value);
|
| + RECON_AND_STORE4X4(dest + 1 * stride, dc_value);
|
| + RECON_AND_STORE4X4(dest + 2 * stride, dc_value);
|
| + RECON_AND_STORE4X4(dest + 3 * stride, dc_value);
|
| +}
|
| +
|
| +static INLINE void transpose_4x4(__m128i *res) {
|
| + const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
|
| + const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]);
|
| +
|
| + res[0] = _mm_unpacklo_epi16(tr0_0, tr0_1);
|
| + res[1] = _mm_unpackhi_epi16(tr0_0, tr0_1);
|
| +}
|
| +
|
| +static void idct4_sse2(__m128i *in) {
|
| + const __m128i k__cospi_p16_p16 = pair_set_epi16(cospi_16_64, cospi_16_64);
|
| + const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
|
| + const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
|
| + const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
|
| + const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + __m128i u[8], v[8];
|
| +
|
| + transpose_4x4(in);
|
| + // stage 1
|
| + u[0] = _mm_unpacklo_epi16(in[0], in[1]);
|
| + u[1] = _mm_unpackhi_epi16(in[0], in[1]);
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
|
| + v[1] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
|
| + v[2] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
|
| +
|
| + u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
|
| + u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
|
| + u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
|
| + u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
|
| +
|
| + v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
|
| + v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
|
| + v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
|
| + v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
|
| +
|
| + u[0] = _mm_packs_epi32(v[0], v[1]);
|
| + u[1] = _mm_packs_epi32(v[3], v[2]);
|
| +
|
| + // stage 2
|
| + in[0] = _mm_add_epi16(u[0], u[1]);
|
| + in[1] = _mm_sub_epi16(u[0], u[1]);
|
| + in[1] = _mm_shuffle_epi32(in[1], 0x4E);
|
| +}
|
| +
|
| +static void iadst4_sse2(__m128i *in) {
|
| + const __m128i k__sinpi_p01_p04 = pair_set_epi16(sinpi_1_9, sinpi_4_9);
|
| + const __m128i k__sinpi_p03_p02 = pair_set_epi16(sinpi_3_9, sinpi_2_9);
|
| + const __m128i k__sinpi_p02_m01 = pair_set_epi16(sinpi_2_9, -sinpi_1_9);
|
| + const __m128i k__sinpi_p03_m04 = pair_set_epi16(sinpi_3_9, -sinpi_4_9);
|
| + const __m128i k__sinpi_p03_p03 = _mm_set1_epi16((int16_t)sinpi_3_9);
|
| + const __m128i kZero = _mm_set1_epi16(0);
|
| + const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + __m128i u[8], v[8], in7;
|
| +
|
| + transpose_4x4(in);
|
| + in7 = _mm_srli_si128(in[1], 8);
|
| + in7 = _mm_add_epi16(in7, in[0]);
|
| + in7 = _mm_sub_epi16(in7, in[1]);
|
| +
|
| + u[0] = _mm_unpacklo_epi16(in[0], in[1]);
|
| + u[1] = _mm_unpackhi_epi16(in[0], in[1]);
|
| + u[2] = _mm_unpacklo_epi16(in7, kZero);
|
| + u[3] = _mm_unpackhi_epi16(in[0], kZero);
|
| +
|
| + v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p04); // s0 + s3
|
| + v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p02); // s2 + s5
|
| + v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x2
|
| + v[3] = _mm_madd_epi16(u[0], k__sinpi_p02_m01); // s1 - s4
|
| + v[4] = _mm_madd_epi16(u[1], k__sinpi_p03_m04); // s2 - s6
|
| + v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s2
|
| +
|
| + u[0] = _mm_add_epi32(v[0], v[1]);
|
| + u[1] = _mm_add_epi32(v[3], v[4]);
|
| + u[2] = v[2];
|
| + u[3] = _mm_add_epi32(u[0], u[1]);
|
| + u[4] = _mm_slli_epi32(v[5], 2);
|
| + u[5] = _mm_add_epi32(u[3], v[5]);
|
| + u[6] = _mm_sub_epi32(u[5], u[4]);
|
| +
|
| + v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
|
| + v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
|
| + v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
|
| + v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
|
| +
|
| + u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
|
| + u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
|
| + u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
|
| + u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
|
| +
|
| + in[0] = _mm_packs_epi32(u[0], u[1]);
|
| + in[1] = _mm_packs_epi32(u[2], u[3]);
|
| +}
|
| +
|
| +void vp9_iht4x4_16_add_sse2(const int16_t *input, uint8_t *dest, int stride,
|
| + int tx_type) {
|
| + __m128i in[2];
|
| + const __m128i zero = _mm_setzero_si128();
|
| + const __m128i eight = _mm_set1_epi16(8);
|
| +
|
| + in[0] = _mm_loadu_si128((const __m128i *)(input));
|
| + in[1] = _mm_loadu_si128((const __m128i *)(input + 8));
|
| +
|
| + switch (tx_type) {
|
| + case 0: // DCT_DCT
|
| + idct4_sse2(in);
|
| + idct4_sse2(in);
|
| + break;
|
| + case 1: // ADST_DCT
|
| + idct4_sse2(in);
|
| + iadst4_sse2(in);
|
| + break;
|
| + case 2: // DCT_ADST
|
| + iadst4_sse2(in);
|
| + idct4_sse2(in);
|
| + break;
|
| + case 3: // ADST_ADST
|
| + iadst4_sse2(in);
|
| + iadst4_sse2(in);
|
| + break;
|
| + default:
|
| + assert(0);
|
| + break;
|
| + }
|
| +
|
| + // Final round and shift
|
| + in[0] = _mm_add_epi16(in[0], eight);
|
| + in[1] = _mm_add_epi16(in[1], eight);
|
| +
|
| + in[0] = _mm_srai_epi16(in[0], 4);
|
| + in[1] = _mm_srai_epi16(in[1], 4);
|
| +
|
| + // Reconstruction and Store
|
| + {
|
| + __m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest));
|
| + __m128i d2 = _mm_cvtsi32_si128(*(const int *)(dest + stride * 2));
|
| + d0 = _mm_unpacklo_epi32(d0,
|
| + _mm_cvtsi32_si128(*(const int *)(dest + stride)));
|
| + d2 = _mm_unpacklo_epi32(
|
| + d2, _mm_cvtsi32_si128(*(const int *)(dest + stride * 3)));
|
| + d0 = _mm_unpacklo_epi8(d0, zero);
|
| + d2 = _mm_unpacklo_epi8(d2, zero);
|
| + d0 = _mm_add_epi16(d0, in[0]);
|
| + d2 = _mm_add_epi16(d2, in[1]);
|
| + d0 = _mm_packus_epi16(d0, d2);
|
| + // store result[0]
|
| + *(int *)dest = _mm_cvtsi128_si32(d0);
|
| + // store result[1]
|
| + d0 = _mm_srli_si128(d0, 4);
|
| + *(int *)(dest + stride) = _mm_cvtsi128_si32(d0);
|
| + // store result[2]
|
| + d0 = _mm_srli_si128(d0, 4);
|
| + *(int *)(dest + stride * 2) = _mm_cvtsi128_si32(d0);
|
| + // store result[3]
|
| + d0 = _mm_srli_si128(d0, 4);
|
| + *(int *)(dest + stride * 3) = _mm_cvtsi128_si32(d0);
|
| + }
|
| +}
|
| +
|
| +#define TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, \
|
| + out0, out1, out2, out3, out4, out5, out6, out7) \
|
| + { \
|
| + 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); \
|
| + \
|
| + out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
|
| + out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
|
| + out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
|
| + out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
|
| + out4 = _mm_unpacklo_epi64(tr1_1, tr1_5); \
|
| + out5 = _mm_unpackhi_epi64(tr1_1, tr1_5); \
|
| + out6 = _mm_unpacklo_epi64(tr1_3, tr1_7); \
|
| + out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \
|
| + }
|
| +
|
| +#define TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, \
|
| + out0, out1, out2, out3) \
|
| + { \
|
| + const __m128i tr0_0 = _mm_unpackhi_epi16(tmp0, tmp1); \
|
| + const __m128i tr0_1 = _mm_unpacklo_epi16(tmp1, tmp0); \
|
| + const __m128i tr0_4 = _mm_unpacklo_epi16(tmp2, tmp3); \
|
| + const __m128i tr0_5 = _mm_unpackhi_epi16(tmp3, tmp2); \
|
| + \
|
| + 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); \
|
| + \
|
| + out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
|
| + out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
|
| + out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
|
| + out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
|
| + }
|
| +
|
| +#define TRANSPOSE_8X8_10(in0, in1, in2, in3, out0, out1) \
|
| + { \
|
| + const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
|
| + const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
|
| + out0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
|
| + out1 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
|
| + }
|
| +
|
| +// Define Macro for multiplying elements by constants and adding them together.
|
| +#define MULTIPLICATION_AND_ADD(lo_0, hi_0, lo_1, hi_1, \
|
| + cst0, cst1, cst2, cst3, res0, res1, res2, res3) \
|
| + { \
|
| + tmp0 = _mm_madd_epi16(lo_0, cst0); \
|
| + tmp1 = _mm_madd_epi16(hi_0, cst0); \
|
| + tmp2 = _mm_madd_epi16(lo_0, cst1); \
|
| + tmp3 = _mm_madd_epi16(hi_0, cst1); \
|
| + tmp4 = _mm_madd_epi16(lo_1, cst2); \
|
| + tmp5 = _mm_madd_epi16(hi_1, cst2); \
|
| + tmp6 = _mm_madd_epi16(lo_1, cst3); \
|
| + tmp7 = _mm_madd_epi16(hi_1, cst3); \
|
| + \
|
| + 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); \
|
| + \
|
| + res0 = _mm_packs_epi32(tmp0, tmp1); \
|
| + res1 = _mm_packs_epi32(tmp2, tmp3); \
|
| + res2 = _mm_packs_epi32(tmp4, tmp5); \
|
| + res3 = _mm_packs_epi32(tmp6, tmp7); \
|
| + }
|
| +
|
| +#define MULTIPLICATION_AND_ADD_2(lo_0, hi_0, cst0, cst1, res0, res1) \
|
| + { \
|
| + tmp0 = _mm_madd_epi16(lo_0, cst0); \
|
| + tmp1 = _mm_madd_epi16(hi_0, cst0); \
|
| + tmp2 = _mm_madd_epi16(lo_0, cst1); \
|
| + tmp3 = _mm_madd_epi16(hi_0, cst1); \
|
| + \
|
| + 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); \
|
| + \
|
| + res0 = _mm_packs_epi32(tmp0, tmp1); \
|
| + res1 = _mm_packs_epi32(tmp2, tmp3); \
|
| + }
|
| +
|
| +#define IDCT8(in0, in1, in2, in3, in4, in5, in6, in7, \
|
| + out0, out1, out2, out3, out4, out5, out6, out7) \
|
| + { \
|
| + /* 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); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_17, hi_17, lo_35, hi_35, stg1_0, \
|
| + stg1_1, stg1_2, stg1_3, stp1_4, \
|
| + stp1_7, stp1_5, stp1_6) \
|
| + } \
|
| + \
|
| + /* 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); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_04, hi_04, lo_26, hi_26, stg2_0, \
|
| + stg2_1, stg2_2, stg2_3, stp2_0, \
|
| + stp2_1, stp2_2, stp2_3) \
|
| + \
|
| + 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 */ \
|
| + out0 = _mm_adds_epi16(stp1_0, stp2_7); \
|
| + out1 = _mm_adds_epi16(stp1_1, stp1_6); \
|
| + out2 = _mm_adds_epi16(stp1_2, stp1_5); \
|
| + out3 = _mm_adds_epi16(stp1_3, stp2_4); \
|
| + out4 = _mm_subs_epi16(stp1_3, stp2_4); \
|
| + out5 = _mm_subs_epi16(stp1_2, stp1_5); \
|
| + out6 = _mm_subs_epi16(stp1_1, stp1_6); \
|
| + out7 = _mm_subs_epi16(stp1_0, stp2_7); \
|
| + }
|
| +
|
| +void vp9_idct8x8_64_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
|
| + 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);
|
| +
|
| + __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((const __m128i *)input);
|
| + in1 = _mm_load_si128((const __m128i *)(input + 8 * 1));
|
| + in2 = _mm_load_si128((const __m128i *)(input + 8 * 2));
|
| + in3 = _mm_load_si128((const __m128i *)(input + 8 * 3));
|
| + in4 = _mm_load_si128((const __m128i *)(input + 8 * 4));
|
| + in5 = _mm_load_si128((const __m128i *)(input + 8 * 5));
|
| + in6 = _mm_load_si128((const __m128i *)(input + 8 * 6));
|
| + in7 = _mm_load_si128((const __m128i *)(input + 8 * 7));
|
| +
|
| + // 2-D
|
| + for (i = 0; i < 2; i++) {
|
| + // 8x8 Transpose is copied from vp9_fdct8x8_sse2()
|
| + TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7,
|
| + in0, in1, in2, in3, in4, in5, in6, in7);
|
| +
|
| + // 4-stage 1D idct8x8
|
| + IDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
|
| + in0, in1, in2, in3, in4, in5, in6, in7);
|
| + }
|
| +
|
| + // Final rounding and shift
|
| + in0 = _mm_adds_epi16(in0, final_rounding);
|
| + in1 = _mm_adds_epi16(in1, final_rounding);
|
| + in2 = _mm_adds_epi16(in2, final_rounding);
|
| + in3 = _mm_adds_epi16(in3, final_rounding);
|
| + in4 = _mm_adds_epi16(in4, final_rounding);
|
| + in5 = _mm_adds_epi16(in5, final_rounding);
|
| + in6 = _mm_adds_epi16(in6, final_rounding);
|
| + in7 = _mm_adds_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);
|
| +
|
| + RECON_AND_STORE(dest + 0 * stride, in0);
|
| + RECON_AND_STORE(dest + 1 * stride, in1);
|
| + RECON_AND_STORE(dest + 2 * stride, in2);
|
| + RECON_AND_STORE(dest + 3 * stride, in3);
|
| + RECON_AND_STORE(dest + 4 * stride, in4);
|
| + RECON_AND_STORE(dest + 5 * stride, in5);
|
| + RECON_AND_STORE(dest + 6 * stride, in6);
|
| + RECON_AND_STORE(dest + 7 * stride, in7);
|
| +}
|
| +
|
| +void vp9_idct8x8_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
|
| + __m128i dc_value;
|
| + const __m128i zero = _mm_setzero_si128();
|
| + int a;
|
| +
|
| + a = dct_const_round_shift(input[0] * cospi_16_64);
|
| + a = dct_const_round_shift(a * cospi_16_64);
|
| + a = ROUND_POWER_OF_TWO(a, 5);
|
| +
|
| + dc_value = _mm_set1_epi16(a);
|
| +
|
| + RECON_AND_STORE(dest + 0 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 1 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 2 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 3 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 4 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 5 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 6 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 7 * stride, dc_value);
|
| +}
|
| +
|
| +static void idct8_sse2(__m128i *in) {
|
| + const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + 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;
|
| +
|
| + // 8x8 Transpose is copied from vp9_fdct8x8_sse2()
|
| + TRANSPOSE_8X8(in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7],
|
| + in0, in1, in2, in3, in4, in5, in6, in7);
|
| +
|
| + // 4-stage 1D idct8x8
|
| + IDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
|
| + in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7]);
|
| +}
|
| +
|
| +static void iadst8_sse2(__m128i *in) {
|
| + const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
|
| + const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
|
| + const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
|
| + const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
|
| + const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
|
| + const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
|
| + const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
|
| + const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
|
| + const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
|
| + const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
|
| + const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
|
| + const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
|
| + const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
|
| + const __m128i k__const_0 = _mm_set1_epi16(0);
|
| + const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| +
|
| + __m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15;
|
| + __m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15;
|
| + __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
|
| + __m128i s0, s1, s2, s3, s4, s5, s6, s7;
|
| + __m128i in0, in1, in2, in3, in4, in5, in6, in7;
|
| +
|
| + // transpose
|
| + array_transpose_8x8(in, in);
|
| +
|
| + // properly aligned for butterfly input
|
| + in0 = in[7];
|
| + in1 = in[0];
|
| + in2 = in[5];
|
| + in3 = in[2];
|
| + in4 = in[3];
|
| + in5 = in[4];
|
| + in6 = in[1];
|
| + in7 = in[6];
|
| +
|
| + // column transformation
|
| + // stage 1
|
| + // interleave and multiply/add into 32-bit integer
|
| + s0 = _mm_unpacklo_epi16(in0, in1);
|
| + s1 = _mm_unpackhi_epi16(in0, in1);
|
| + s2 = _mm_unpacklo_epi16(in2, in3);
|
| + s3 = _mm_unpackhi_epi16(in2, in3);
|
| + s4 = _mm_unpacklo_epi16(in4, in5);
|
| + s5 = _mm_unpackhi_epi16(in4, in5);
|
| + s6 = _mm_unpacklo_epi16(in6, in7);
|
| + s7 = _mm_unpackhi_epi16(in6, in7);
|
| +
|
| + u0 = _mm_madd_epi16(s0, k__cospi_p02_p30);
|
| + u1 = _mm_madd_epi16(s1, k__cospi_p02_p30);
|
| + u2 = _mm_madd_epi16(s0, k__cospi_p30_m02);
|
| + u3 = _mm_madd_epi16(s1, k__cospi_p30_m02);
|
| + u4 = _mm_madd_epi16(s2, k__cospi_p10_p22);
|
| + u5 = _mm_madd_epi16(s3, k__cospi_p10_p22);
|
| + u6 = _mm_madd_epi16(s2, k__cospi_p22_m10);
|
| + u7 = _mm_madd_epi16(s3, k__cospi_p22_m10);
|
| + u8 = _mm_madd_epi16(s4, k__cospi_p18_p14);
|
| + u9 = _mm_madd_epi16(s5, k__cospi_p18_p14);
|
| + u10 = _mm_madd_epi16(s4, k__cospi_p14_m18);
|
| + u11 = _mm_madd_epi16(s5, k__cospi_p14_m18);
|
| + u12 = _mm_madd_epi16(s6, k__cospi_p26_p06);
|
| + u13 = _mm_madd_epi16(s7, k__cospi_p26_p06);
|
| + u14 = _mm_madd_epi16(s6, k__cospi_p06_m26);
|
| + u15 = _mm_madd_epi16(s7, k__cospi_p06_m26);
|
| +
|
| + // addition
|
| + w0 = _mm_add_epi32(u0, u8);
|
| + w1 = _mm_add_epi32(u1, u9);
|
| + w2 = _mm_add_epi32(u2, u10);
|
| + w3 = _mm_add_epi32(u3, u11);
|
| + w4 = _mm_add_epi32(u4, u12);
|
| + w5 = _mm_add_epi32(u5, u13);
|
| + w6 = _mm_add_epi32(u6, u14);
|
| + w7 = _mm_add_epi32(u7, u15);
|
| + w8 = _mm_sub_epi32(u0, u8);
|
| + w9 = _mm_sub_epi32(u1, u9);
|
| + w10 = _mm_sub_epi32(u2, u10);
|
| + w11 = _mm_sub_epi32(u3, u11);
|
| + w12 = _mm_sub_epi32(u4, u12);
|
| + w13 = _mm_sub_epi32(u5, u13);
|
| + w14 = _mm_sub_epi32(u6, u14);
|
| + w15 = _mm_sub_epi32(u7, u15);
|
| +
|
| + // shift and rounding
|
| + v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
|
| + v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
|
| + v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
|
| + v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
|
| + v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
|
| + v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
|
| + v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
|
| + v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
|
| + v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING);
|
| + v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING);
|
| + v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING);
|
| + v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING);
|
| + v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING);
|
| + v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING);
|
| + v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING);
|
| + v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING);
|
| +
|
| + u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
|
| + u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
|
| + u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
|
| + u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
|
| + u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
|
| + u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
|
| + u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
|
| + u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
|
| + u8 = _mm_srai_epi32(v8, DCT_CONST_BITS);
|
| + u9 = _mm_srai_epi32(v9, DCT_CONST_BITS);
|
| + u10 = _mm_srai_epi32(v10, DCT_CONST_BITS);
|
| + u11 = _mm_srai_epi32(v11, DCT_CONST_BITS);
|
| + u12 = _mm_srai_epi32(v12, DCT_CONST_BITS);
|
| + u13 = _mm_srai_epi32(v13, DCT_CONST_BITS);
|
| + u14 = _mm_srai_epi32(v14, DCT_CONST_BITS);
|
| + u15 = _mm_srai_epi32(v15, DCT_CONST_BITS);
|
| +
|
| + // back to 16-bit and pack 8 integers into __m128i
|
| + in[0] = _mm_packs_epi32(u0, u1);
|
| + in[1] = _mm_packs_epi32(u2, u3);
|
| + in[2] = _mm_packs_epi32(u4, u5);
|
| + in[3] = _mm_packs_epi32(u6, u7);
|
| + in[4] = _mm_packs_epi32(u8, u9);
|
| + in[5] = _mm_packs_epi32(u10, u11);
|
| + in[6] = _mm_packs_epi32(u12, u13);
|
| + in[7] = _mm_packs_epi32(u14, u15);
|
| +
|
| + // stage 2
|
| + s0 = _mm_add_epi16(in[0], in[2]);
|
| + s1 = _mm_add_epi16(in[1], in[3]);
|
| + s2 = _mm_sub_epi16(in[0], in[2]);
|
| + s3 = _mm_sub_epi16(in[1], in[3]);
|
| + u0 = _mm_unpacklo_epi16(in[4], in[5]);
|
| + u1 = _mm_unpackhi_epi16(in[4], in[5]);
|
| + u2 = _mm_unpacklo_epi16(in[6], in[7]);
|
| + u3 = _mm_unpackhi_epi16(in[6], in[7]);
|
| +
|
| + v0 = _mm_madd_epi16(u0, k__cospi_p08_p24);
|
| + v1 = _mm_madd_epi16(u1, k__cospi_p08_p24);
|
| + v2 = _mm_madd_epi16(u0, k__cospi_p24_m08);
|
| + v3 = _mm_madd_epi16(u1, k__cospi_p24_m08);
|
| + v4 = _mm_madd_epi16(u2, k__cospi_m24_p08);
|
| + v5 = _mm_madd_epi16(u3, k__cospi_m24_p08);
|
| + v6 = _mm_madd_epi16(u2, k__cospi_p08_p24);
|
| + v7 = _mm_madd_epi16(u3, k__cospi_p08_p24);
|
| +
|
| + w0 = _mm_add_epi32(v0, v4);
|
| + w1 = _mm_add_epi32(v1, v5);
|
| + w2 = _mm_add_epi32(v2, v6);
|
| + w3 = _mm_add_epi32(v3, v7);
|
| + w4 = _mm_sub_epi32(v0, v4);
|
| + w5 = _mm_sub_epi32(v1, v5);
|
| + w6 = _mm_sub_epi32(v2, v6);
|
| + w7 = _mm_sub_epi32(v3, v7);
|
| +
|
| + v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
|
| + v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
|
| + v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
|
| + v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
|
| + v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
|
| + v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
|
| + v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
|
| + v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
|
| +
|
| + u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
|
| + u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
|
| + u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
|
| + u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
|
| + u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
|
| + u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
|
| + u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
|
| + u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
|
| +
|
| + // back to 16-bit intergers
|
| + s4 = _mm_packs_epi32(u0, u1);
|
| + s5 = _mm_packs_epi32(u2, u3);
|
| + s6 = _mm_packs_epi32(u4, u5);
|
| + s7 = _mm_packs_epi32(u6, u7);
|
| +
|
| + // stage 3
|
| + u0 = _mm_unpacklo_epi16(s2, s3);
|
| + u1 = _mm_unpackhi_epi16(s2, s3);
|
| + u2 = _mm_unpacklo_epi16(s6, s7);
|
| + u3 = _mm_unpackhi_epi16(s6, s7);
|
| +
|
| + v0 = _mm_madd_epi16(u0, k__cospi_p16_p16);
|
| + v1 = _mm_madd_epi16(u1, k__cospi_p16_p16);
|
| + v2 = _mm_madd_epi16(u0, k__cospi_p16_m16);
|
| + v3 = _mm_madd_epi16(u1, k__cospi_p16_m16);
|
| + v4 = _mm_madd_epi16(u2, k__cospi_p16_p16);
|
| + v5 = _mm_madd_epi16(u3, k__cospi_p16_p16);
|
| + v6 = _mm_madd_epi16(u2, k__cospi_p16_m16);
|
| + v7 = _mm_madd_epi16(u3, k__cospi_p16_m16);
|
| +
|
| + u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
|
| + u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
|
| + u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
|
| + u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
|
| + u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
|
| + u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
|
| + u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
|
| + u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
|
| +
|
| + v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
|
| + v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
|
| + v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
|
| + v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
|
| + v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
|
| + v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
|
| + v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
|
| + v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
|
| +
|
| + s2 = _mm_packs_epi32(v0, v1);
|
| + s3 = _mm_packs_epi32(v2, v3);
|
| + s6 = _mm_packs_epi32(v4, v5);
|
| + s7 = _mm_packs_epi32(v6, v7);
|
| +
|
| + in[0] = s0;
|
| + in[1] = _mm_sub_epi16(k__const_0, s4);
|
| + in[2] = s6;
|
| + in[3] = _mm_sub_epi16(k__const_0, s2);
|
| + in[4] = s3;
|
| + in[5] = _mm_sub_epi16(k__const_0, s7);
|
| + in[6] = s5;
|
| + in[7] = _mm_sub_epi16(k__const_0, s1);
|
| +}
|
| +
|
| +void vp9_iht8x8_64_add_sse2(const int16_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] = _mm_load_si128((const __m128i *)input);
|
| + in[1] = _mm_load_si128((const __m128i *)(input + 8 * 1));
|
| + in[2] = _mm_load_si128((const __m128i *)(input + 8 * 2));
|
| + in[3] = _mm_load_si128((const __m128i *)(input + 8 * 3));
|
| + in[4] = _mm_load_si128((const __m128i *)(input + 8 * 4));
|
| + in[5] = _mm_load_si128((const __m128i *)(input + 8 * 5));
|
| + in[6] = _mm_load_si128((const __m128i *)(input + 8 * 6));
|
| + in[7] = _mm_load_si128((const __m128i *)(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]);
|
| +}
|
| +
|
| +void vp9_idct8x8_12_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
|
| + 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((const __m128i *)input);
|
| + in1 = _mm_load_si128((const __m128i *)(input + 8 * 1));
|
| + in2 = _mm_load_si128((const __m128i *)(input + 8 * 2));
|
| + in3 = _mm_load_si128((const __m128i *)(input + 8 * 3));
|
| +
|
| + // 8x4 Transpose
|
| + TRANSPOSE_8X8_10(in0, in1, in2, in3, in0, in1);
|
| + // Stage1
|
| + {
|
| + const __m128i lo_17 = _mm_unpackhi_epi16(in0, zero);
|
| + const __m128i lo_35 = _mm_unpackhi_epi16(in1, zero);
|
| +
|
| + 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, tmp2);
|
| + stp1_5 = _mm_packs_epi32(tmp4, tmp6);
|
| + }
|
| +
|
| + // Stage2
|
| + {
|
| + const __m128i lo_04 = _mm_unpacklo_epi16(in0, zero);
|
| + const __m128i lo_26 = _mm_unpacklo_epi16(in1, zero);
|
| +
|
| + 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, tmp2);
|
| + stp2_2 = _mm_packs_epi32(tmp6, tmp4);
|
| +
|
| + tmp0 = _mm_adds_epi16(stp1_4, stp1_5);
|
| + tmp1 = _mm_subs_epi16(stp1_4, stp1_5);
|
| +
|
| + stp2_4 = tmp0;
|
| + stp2_5 = _mm_unpacklo_epi64(tmp1, zero);
|
| + stp2_6 = _mm_unpackhi_epi64(tmp1, zero);
|
| + }
|
| +
|
| + // Stage3
|
| + {
|
| + const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6);
|
| +
|
| + tmp4 = _mm_adds_epi16(stp2_0, stp2_2);
|
| + tmp6 = _mm_subs_epi16(stp2_0, stp2_2);
|
| +
|
| + stp1_2 = _mm_unpackhi_epi64(tmp6, tmp4);
|
| + stp1_3 = _mm_unpacklo_epi64(tmp6, tmp4);
|
| +
|
| + 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, tmp2);
|
| + }
|
| +
|
| + // Stage4
|
| + tmp0 = _mm_adds_epi16(stp1_3, stp2_4);
|
| + tmp1 = _mm_adds_epi16(stp1_2, stp1_5);
|
| + tmp2 = _mm_subs_epi16(stp1_3, stp2_4);
|
| + tmp3 = _mm_subs_epi16(stp1_2, stp1_5);
|
| +
|
| + TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, in0, in1, in2, in3)
|
| +
|
| + IDCT8(in0, in1, in2, in3, zero, zero, zero, zero,
|
| + in0, in1, in2, in3, in4, in5, in6, in7);
|
| + // Final rounding and shift
|
| + in0 = _mm_adds_epi16(in0, final_rounding);
|
| + in1 = _mm_adds_epi16(in1, final_rounding);
|
| + in2 = _mm_adds_epi16(in2, final_rounding);
|
| + in3 = _mm_adds_epi16(in3, final_rounding);
|
| + in4 = _mm_adds_epi16(in4, final_rounding);
|
| + in5 = _mm_adds_epi16(in5, final_rounding);
|
| + in6 = _mm_adds_epi16(in6, final_rounding);
|
| + in7 = _mm_adds_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);
|
| +
|
| + RECON_AND_STORE(dest + 0 * stride, in0);
|
| + RECON_AND_STORE(dest + 1 * stride, in1);
|
| + RECON_AND_STORE(dest + 2 * stride, in2);
|
| + RECON_AND_STORE(dest + 3 * stride, in3);
|
| + RECON_AND_STORE(dest + 4 * stride, in4);
|
| + RECON_AND_STORE(dest + 5 * stride, in5);
|
| + RECON_AND_STORE(dest + 6 * stride, in6);
|
| + RECON_AND_STORE(dest + 7 * stride, in7);
|
| +}
|
| +
|
| +#define IDCT16 \
|
| + /* Stage2 */ \
|
| + { \
|
| + const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], in[15]); \
|
| + const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], in[15]); \
|
| + const __m128i lo_9_7 = _mm_unpacklo_epi16(in[9], in[7]); \
|
| + const __m128i hi_9_7 = _mm_unpackhi_epi16(in[9], in[7]); \
|
| + const __m128i lo_5_11 = _mm_unpacklo_epi16(in[5], in[11]); \
|
| + const __m128i hi_5_11 = _mm_unpackhi_epi16(in[5], in[11]); \
|
| + const __m128i lo_13_3 = _mm_unpacklo_epi16(in[13], in[3]); \
|
| + const __m128i hi_13_3 = _mm_unpackhi_epi16(in[13], in[3]); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_9_7, hi_9_7, \
|
| + stg2_0, stg2_1, stg2_2, stg2_3, \
|
| + stp2_8, stp2_15, stp2_9, stp2_14) \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_5_11, hi_5_11, lo_13_3, hi_13_3, \
|
| + stg2_4, stg2_5, stg2_6, stg2_7, \
|
| + stp2_10, stp2_13, stp2_11, stp2_12) \
|
| + } \
|
| + \
|
| + /* Stage3 */ \
|
| + { \
|
| + const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], in[14]); \
|
| + const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], in[14]); \
|
| + const __m128i lo_10_6 = _mm_unpacklo_epi16(in[10], in[6]); \
|
| + const __m128i hi_10_6 = _mm_unpackhi_epi16(in[10], in[6]); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_2_14, hi_2_14, lo_10_6, hi_10_6, \
|
| + stg3_0, stg3_1, stg3_2, stg3_3, \
|
| + stp1_4, stp1_7, stp1_5, stp1_6) \
|
| + \
|
| + stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9); \
|
| + stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
|
| + stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
|
| + stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
|
| + \
|
| + stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13); \
|
| + stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
|
| + stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
|
| + stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
|
| + } \
|
| + \
|
| + /* Stage4 */ \
|
| + { \
|
| + const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], in[8]); \
|
| + const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], in[8]); \
|
| + const __m128i lo_4_12 = _mm_unpacklo_epi16(in[4], in[12]); \
|
| + const __m128i hi_4_12 = _mm_unpackhi_epi16(in[4], in[12]); \
|
| + \
|
| + const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
|
| + const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
|
| + const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_0_8, hi_0_8, lo_4_12, hi_4_12, \
|
| + stg4_0, stg4_1, stg4_2, stg4_3, \
|
| + stp2_0, stp2_1, stp2_2, stp2_3) \
|
| + \
|
| + stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
|
| + stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
|
| + stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
|
| + stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
|
| + stg4_4, stg4_5, stg4_6, stg4_7, \
|
| + stp2_9, stp2_14, stp2_10, stp2_13) \
|
| + } \
|
| + \
|
| + /* Stage5 */ \
|
| + { \
|
| + const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
|
| + const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
|
| + \
|
| + stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
|
| + stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
|
| + stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
|
| + stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
|
| + \
|
| + tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
|
| + tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
|
| + tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
|
| + tmp3 = _mm_madd_epi16(hi_6_5, stg4_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); \
|
| + \
|
| + stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \
|
| + stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
|
| + stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
|
| + stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \
|
| + \
|
| + stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \
|
| + stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
|
| + stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
|
| + stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \
|
| + } \
|
| + \
|
| + /* Stage6 */ \
|
| + { \
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
|
| + const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
|
| + const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
|
| + const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
|
| + \
|
| + stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
|
| + stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
|
| + stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
|
| + stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
|
| + stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
|
| + stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
|
| + stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
|
| + stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
|
| + stg6_0, stg4_0, stg6_0, stg4_0, \
|
| + stp2_10, stp2_13, stp2_11, stp2_12) \
|
| + }
|
| +
|
| +#define IDCT16_10 \
|
| + /* Stage2 */ \
|
| + { \
|
| + const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], zero); \
|
| + const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], zero); \
|
| + const __m128i lo_13_3 = _mm_unpacklo_epi16(zero, in[3]); \
|
| + const __m128i hi_13_3 = _mm_unpackhi_epi16(zero, in[3]); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_13_3, hi_13_3, \
|
| + stg2_0, stg2_1, stg2_6, stg2_7, \
|
| + stp1_8_0, stp1_15, stp1_11, stp1_12_0) \
|
| + } \
|
| + \
|
| + /* Stage3 */ \
|
| + { \
|
| + const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], zero); \
|
| + const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], zero); \
|
| + \
|
| + MULTIPLICATION_AND_ADD_2(lo_2_14, hi_2_14, \
|
| + stg3_0, stg3_1, \
|
| + stp2_4, stp2_7) \
|
| + \
|
| + stp1_9 = stp1_8_0; \
|
| + stp1_10 = stp1_11; \
|
| + \
|
| + stp1_13 = stp1_12_0; \
|
| + stp1_14 = stp1_15; \
|
| + } \
|
| + \
|
| + /* Stage4 */ \
|
| + { \
|
| + const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero); \
|
| + const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], zero); \
|
| + \
|
| + const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
|
| + const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
|
| + const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
|
| + \
|
| + MULTIPLICATION_AND_ADD_2(lo_0_8, hi_0_8, \
|
| + stg4_0, stg4_1, \
|
| + stp1_0, stp1_1) \
|
| + stp2_5 = stp2_4; \
|
| + stp2_6 = stp2_7; \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
|
| + stg4_4, stg4_5, stg4_6, stg4_7, \
|
| + stp2_9, stp2_14, stp2_10, stp2_13) \
|
| + } \
|
| + \
|
| + /* Stage5 */ \
|
| + { \
|
| + const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
|
| + const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
|
| + \
|
| + stp1_2 = stp1_1; \
|
| + stp1_3 = stp1_0; \
|
| + \
|
| + tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
|
| + tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
|
| + tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
|
| + tmp3 = _mm_madd_epi16(hi_6_5, stg4_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); \
|
| + \
|
| + stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \
|
| + stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
|
| + stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
|
| + stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \
|
| + \
|
| + stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \
|
| + stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
|
| + stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
|
| + stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \
|
| + } \
|
| + \
|
| + /* Stage6 */ \
|
| + { \
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
|
| + const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
|
| + const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
|
| + const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
|
| + \
|
| + stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
|
| + stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
|
| + stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
|
| + stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
|
| + stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
|
| + stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
|
| + stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
|
| + stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
|
| + stg6_0, stg4_0, stg6_0, stg4_0, \
|
| + stp2_10, stp2_13, stp2_11, stp2_12) \
|
| + }
|
| +
|
| +void vp9_idct16x16_256_add_sse2(const int16_t *input, uint8_t *dest,
|
| + int stride) {
|
| + const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + const __m128i final_rounding = _mm_set1_epi16(1 << 5);
|
| + const __m128i zero = _mm_setzero_si128();
|
| +
|
| + const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
|
| + const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
|
| + const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
|
| + const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
|
| + const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
|
| + const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
|
| + const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
|
| + const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
|
| +
|
| + const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
|
| + const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
|
| + const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
|
| + const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
|
| +
|
| + const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
|
| + const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
|
| + const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
|
| + const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
|
| + const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
|
| + const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
|
| + const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
|
| + const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
|
| +
|
| + const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
|
| +
|
| + __m128i in[16], l[16], r[16], *curr1;
|
| + __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
|
| + stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
|
| + stp1_8_0, stp1_12_0;
|
| + __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
|
| + stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
|
| + __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
|
| + int i;
|
| +
|
| + curr1 = l;
|
| + for (i = 0; i < 2; i++) {
|
| + // 1-D idct
|
| +
|
| + // Load input data.
|
| + in[0] = _mm_load_si128((const __m128i *)input);
|
| + in[8] = _mm_load_si128((const __m128i *)(input + 8 * 1));
|
| + in[1] = _mm_load_si128((const __m128i *)(input + 8 * 2));
|
| + in[9] = _mm_load_si128((const __m128i *)(input + 8 * 3));
|
| + in[2] = _mm_load_si128((const __m128i *)(input + 8 * 4));
|
| + in[10] = _mm_load_si128((const __m128i *)(input + 8 * 5));
|
| + in[3] = _mm_load_si128((const __m128i *)(input + 8 * 6));
|
| + in[11] = _mm_load_si128((const __m128i *)(input + 8 * 7));
|
| + in[4] = _mm_load_si128((const __m128i *)(input + 8 * 8));
|
| + in[12] = _mm_load_si128((const __m128i *)(input + 8 * 9));
|
| + in[5] = _mm_load_si128((const __m128i *)(input + 8 * 10));
|
| + in[13] = _mm_load_si128((const __m128i *)(input + 8 * 11));
|
| + in[6] = _mm_load_si128((const __m128i *)(input + 8 * 12));
|
| + in[14] = _mm_load_si128((const __m128i *)(input + 8 * 13));
|
| + in[7] = _mm_load_si128((const __m128i *)(input + 8 * 14));
|
| + in[15] = _mm_load_si128((const __m128i *)(input + 8 * 15));
|
| +
|
| + array_transpose_8x8(in, in);
|
| + array_transpose_8x8(in + 8, in + 8);
|
| +
|
| + IDCT16
|
| +
|
| + // Stage7
|
| + curr1[0] = _mm_add_epi16(stp2_0, stp1_15);
|
| + curr1[1] = _mm_add_epi16(stp2_1, stp1_14);
|
| + curr1[2] = _mm_add_epi16(stp2_2, stp2_13);
|
| + curr1[3] = _mm_add_epi16(stp2_3, stp2_12);
|
| + curr1[4] = _mm_add_epi16(stp2_4, stp2_11);
|
| + curr1[5] = _mm_add_epi16(stp2_5, stp2_10);
|
| + curr1[6] = _mm_add_epi16(stp2_6, stp1_9);
|
| + curr1[7] = _mm_add_epi16(stp2_7, stp1_8);
|
| + curr1[8] = _mm_sub_epi16(stp2_7, stp1_8);
|
| + curr1[9] = _mm_sub_epi16(stp2_6, stp1_9);
|
| + curr1[10] = _mm_sub_epi16(stp2_5, stp2_10);
|
| + curr1[11] = _mm_sub_epi16(stp2_4, stp2_11);
|
| + curr1[12] = _mm_sub_epi16(stp2_3, stp2_12);
|
| + curr1[13] = _mm_sub_epi16(stp2_2, stp2_13);
|
| + curr1[14] = _mm_sub_epi16(stp2_1, stp1_14);
|
| + curr1[15] = _mm_sub_epi16(stp2_0, stp1_15);
|
| +
|
| + curr1 = r;
|
| + input += 128;
|
| + }
|
| + for (i = 0; i < 2; i++) {
|
| + int j;
|
| + // 1-D idct
|
| + array_transpose_8x8(l + i * 8, in);
|
| + array_transpose_8x8(r + i * 8, in + 8);
|
| +
|
| + IDCT16
|
| +
|
| + // 2-D
|
| + in[0] = _mm_add_epi16(stp2_0, stp1_15);
|
| + in[1] = _mm_add_epi16(stp2_1, stp1_14);
|
| + in[2] = _mm_add_epi16(stp2_2, stp2_13);
|
| + in[3] = _mm_add_epi16(stp2_3, stp2_12);
|
| + in[4] = _mm_add_epi16(stp2_4, stp2_11);
|
| + in[5] = _mm_add_epi16(stp2_5, stp2_10);
|
| + in[6] = _mm_add_epi16(stp2_6, stp1_9);
|
| + in[7] = _mm_add_epi16(stp2_7, stp1_8);
|
| + in[8] = _mm_sub_epi16(stp2_7, stp1_8);
|
| + in[9] = _mm_sub_epi16(stp2_6, stp1_9);
|
| + in[10] = _mm_sub_epi16(stp2_5, stp2_10);
|
| + in[11] = _mm_sub_epi16(stp2_4, stp2_11);
|
| + in[12] = _mm_sub_epi16(stp2_3, stp2_12);
|
| + in[13] = _mm_sub_epi16(stp2_2, stp2_13);
|
| + in[14] = _mm_sub_epi16(stp2_1, stp1_14);
|
| + in[15] = _mm_sub_epi16(stp2_0, stp1_15);
|
| +
|
| + for (j = 0; j < 16; ++j) {
|
| + // Final rounding and shift
|
| + in[j] = _mm_adds_epi16(in[j], final_rounding);
|
| + in[j] = _mm_srai_epi16(in[j], 6);
|
| + RECON_AND_STORE(dest + j * stride, in[j]);
|
| + }
|
| +
|
| + dest += 8;
|
| + }
|
| +}
|
| +
|
| +void vp9_idct16x16_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
|
| + __m128i dc_value;
|
| + const __m128i zero = _mm_setzero_si128();
|
| + int a, i;
|
| +
|
| + a = dct_const_round_shift(input[0] * cospi_16_64);
|
| + a = dct_const_round_shift(a * cospi_16_64);
|
| + a = ROUND_POWER_OF_TWO(a, 6);
|
| +
|
| + dc_value = _mm_set1_epi16(a);
|
| +
|
| + for (i = 0; i < 2; ++i) {
|
| + RECON_AND_STORE(dest + 0 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 1 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 2 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 3 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 4 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 5 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 6 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 7 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 8 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 9 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 10 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 11 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 12 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 13 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 14 * stride, dc_value);
|
| + RECON_AND_STORE(dest + 15 * stride, dc_value);
|
| + dest += 8;
|
| + }
|
| +}
|
| +
|
| +static void iadst16_8col(__m128i *in) {
|
| + // perform 16x16 1-D ADST for 8 columns
|
| + __m128i s[16], x[16], u[32], v[32];
|
| + const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
|
| + const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64);
|
| + const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64);
|
| + const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64);
|
| + const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64);
|
| + const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64);
|
| + const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64);
|
| + const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64);
|
| + const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64);
|
| + const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64);
|
| + const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64);
|
| + const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64);
|
| + const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64);
|
| + const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64);
|
| + const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64);
|
| + const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64);
|
| + const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
|
| + const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
|
| + const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
|
| + const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
|
| + const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64);
|
| + const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64);
|
| + const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
|
| + const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
|
| + const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
|
| + const __m128i k__cospi_m16_m16 = _mm_set1_epi16((int16_t)-cospi_16_64);
|
| + const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
|
| + const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
|
| + const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
|
| + const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + const __m128i kZero = _mm_set1_epi16(0);
|
| +
|
| + u[0] = _mm_unpacklo_epi16(in[15], in[0]);
|
| + u[1] = _mm_unpackhi_epi16(in[15], in[0]);
|
| + u[2] = _mm_unpacklo_epi16(in[13], in[2]);
|
| + u[3] = _mm_unpackhi_epi16(in[13], in[2]);
|
| + u[4] = _mm_unpacklo_epi16(in[11], in[4]);
|
| + u[5] = _mm_unpackhi_epi16(in[11], in[4]);
|
| + u[6] = _mm_unpacklo_epi16(in[9], in[6]);
|
| + u[7] = _mm_unpackhi_epi16(in[9], in[6]);
|
| + u[8] = _mm_unpacklo_epi16(in[7], in[8]);
|
| + u[9] = _mm_unpackhi_epi16(in[7], in[8]);
|
| + u[10] = _mm_unpacklo_epi16(in[5], in[10]);
|
| + u[11] = _mm_unpackhi_epi16(in[5], in[10]);
|
| + u[12] = _mm_unpacklo_epi16(in[3], in[12]);
|
| + u[13] = _mm_unpackhi_epi16(in[3], in[12]);
|
| + u[14] = _mm_unpacklo_epi16(in[1], in[14]);
|
| + u[15] = _mm_unpackhi_epi16(in[1], in[14]);
|
| +
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31);
|
| + v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31);
|
| + v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01);
|
| + v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27);
|
| + v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27);
|
| + v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05);
|
| + v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05);
|
| + v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23);
|
| + v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23);
|
| + v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09);
|
| + v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09);
|
| + v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19);
|
| + v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19);
|
| + v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13);
|
| + v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13);
|
| + v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15);
|
| + v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15);
|
| + v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17);
|
| + v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17);
|
| + v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11);
|
| + v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11);
|
| + v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21);
|
| + v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21);
|
| + v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07);
|
| + v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07);
|
| + v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25);
|
| + v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25);
|
| + v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03);
|
| + v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03);
|
| + v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29);
|
| + v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29);
|
| +
|
| + u[0] = _mm_add_epi32(v[0], v[16]);
|
| + u[1] = _mm_add_epi32(v[1], v[17]);
|
| + u[2] = _mm_add_epi32(v[2], v[18]);
|
| + u[3] = _mm_add_epi32(v[3], v[19]);
|
| + u[4] = _mm_add_epi32(v[4], v[20]);
|
| + u[5] = _mm_add_epi32(v[5], v[21]);
|
| + u[6] = _mm_add_epi32(v[6], v[22]);
|
| + u[7] = _mm_add_epi32(v[7], v[23]);
|
| + u[8] = _mm_add_epi32(v[8], v[24]);
|
| + u[9] = _mm_add_epi32(v[9], v[25]);
|
| + u[10] = _mm_add_epi32(v[10], v[26]);
|
| + u[11] = _mm_add_epi32(v[11], v[27]);
|
| + u[12] = _mm_add_epi32(v[12], v[28]);
|
| + u[13] = _mm_add_epi32(v[13], v[29]);
|
| + u[14] = _mm_add_epi32(v[14], v[30]);
|
| + u[15] = _mm_add_epi32(v[15], v[31]);
|
| + u[16] = _mm_sub_epi32(v[0], v[16]);
|
| + u[17] = _mm_sub_epi32(v[1], v[17]);
|
| + u[18] = _mm_sub_epi32(v[2], v[18]);
|
| + u[19] = _mm_sub_epi32(v[3], v[19]);
|
| + u[20] = _mm_sub_epi32(v[4], v[20]);
|
| + u[21] = _mm_sub_epi32(v[5], v[21]);
|
| + u[22] = _mm_sub_epi32(v[6], v[22]);
|
| + u[23] = _mm_sub_epi32(v[7], v[23]);
|
| + u[24] = _mm_sub_epi32(v[8], v[24]);
|
| + u[25] = _mm_sub_epi32(v[9], v[25]);
|
| + u[26] = _mm_sub_epi32(v[10], v[26]);
|
| + u[27] = _mm_sub_epi32(v[11], v[27]);
|
| + u[28] = _mm_sub_epi32(v[12], v[28]);
|
| + u[29] = _mm_sub_epi32(v[13], v[29]);
|
| + u[30] = _mm_sub_epi32(v[14], v[30]);
|
| + u[31] = _mm_sub_epi32(v[15], v[31]);
|
| +
|
| + v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
|
| + v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
|
| + v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
|
| + v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
|
| + v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
|
| + v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
|
| + v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
|
| + v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
|
| + v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
|
| + v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
|
| + v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
|
| + v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
|
| + v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
|
| + v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
|
| + v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
|
| + v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
|
| + v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING);
|
| + v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING);
|
| + v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING);
|
| + v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING);
|
| + v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING);
|
| + v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING);
|
| + v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING);
|
| + v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING);
|
| + v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING);
|
| + v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING);
|
| + v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING);
|
| + v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING);
|
| + v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING);
|
| + v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING);
|
| + v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING);
|
| + v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING);
|
| +
|
| + u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
|
| + u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
|
| + u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
|
| + u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
|
| + u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
|
| + u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
|
| + u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
|
| + u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
|
| + u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
|
| + u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
|
| + u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
|
| + u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
|
| + u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
|
| + u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
|
| + u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
|
| + u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
|
| + u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS);
|
| + u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS);
|
| + u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS);
|
| + u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS);
|
| + u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS);
|
| + u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS);
|
| + u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS);
|
| + u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS);
|
| + u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS);
|
| + u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS);
|
| + u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS);
|
| + u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS);
|
| + u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS);
|
| + u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS);
|
| + u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS);
|
| + u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS);
|
| +
|
| + s[0] = _mm_packs_epi32(u[0], u[1]);
|
| + s[1] = _mm_packs_epi32(u[2], u[3]);
|
| + s[2] = _mm_packs_epi32(u[4], u[5]);
|
| + s[3] = _mm_packs_epi32(u[6], u[7]);
|
| + s[4] = _mm_packs_epi32(u[8], u[9]);
|
| + s[5] = _mm_packs_epi32(u[10], u[11]);
|
| + s[6] = _mm_packs_epi32(u[12], u[13]);
|
| + s[7] = _mm_packs_epi32(u[14], u[15]);
|
| + s[8] = _mm_packs_epi32(u[16], u[17]);
|
| + s[9] = _mm_packs_epi32(u[18], u[19]);
|
| + s[10] = _mm_packs_epi32(u[20], u[21]);
|
| + s[11] = _mm_packs_epi32(u[22], u[23]);
|
| + s[12] = _mm_packs_epi32(u[24], u[25]);
|
| + s[13] = _mm_packs_epi32(u[26], u[27]);
|
| + s[14] = _mm_packs_epi32(u[28], u[29]);
|
| + s[15] = _mm_packs_epi32(u[30], u[31]);
|
| +
|
| + // stage 2
|
| + u[0] = _mm_unpacklo_epi16(s[8], s[9]);
|
| + u[1] = _mm_unpackhi_epi16(s[8], s[9]);
|
| + u[2] = _mm_unpacklo_epi16(s[10], s[11]);
|
| + u[3] = _mm_unpackhi_epi16(s[10], s[11]);
|
| + u[4] = _mm_unpacklo_epi16(s[12], s[13]);
|
| + u[5] = _mm_unpackhi_epi16(s[12], s[13]);
|
| + u[6] = _mm_unpacklo_epi16(s[14], s[15]);
|
| + u[7] = _mm_unpackhi_epi16(s[14], s[15]);
|
| +
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
|
| + v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
|
| + v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
|
| + v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
|
| + v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
|
| + v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
|
| + v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
|
| + v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04);
|
| + v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04);
|
| + v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28);
|
| + v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28);
|
| + v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20);
|
| + v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20);
|
| + v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12);
|
| + v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12);
|
| +
|
| + u[0] = _mm_add_epi32(v[0], v[8]);
|
| + u[1] = _mm_add_epi32(v[1], v[9]);
|
| + u[2] = _mm_add_epi32(v[2], v[10]);
|
| + u[3] = _mm_add_epi32(v[3], v[11]);
|
| + u[4] = _mm_add_epi32(v[4], v[12]);
|
| + u[5] = _mm_add_epi32(v[5], v[13]);
|
| + u[6] = _mm_add_epi32(v[6], v[14]);
|
| + u[7] = _mm_add_epi32(v[7], v[15]);
|
| + u[8] = _mm_sub_epi32(v[0], v[8]);
|
| + u[9] = _mm_sub_epi32(v[1], v[9]);
|
| + u[10] = _mm_sub_epi32(v[2], v[10]);
|
| + u[11] = _mm_sub_epi32(v[3], v[11]);
|
| + u[12] = _mm_sub_epi32(v[4], v[12]);
|
| + u[13] = _mm_sub_epi32(v[5], v[13]);
|
| + u[14] = _mm_sub_epi32(v[6], v[14]);
|
| + u[15] = _mm_sub_epi32(v[7], v[15]);
|
| +
|
| + v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
|
| + v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
|
| + v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
|
| + v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
|
| + v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
|
| + v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
|
| + v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
|
| + v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
|
| + v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
|
| + v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
|
| + v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
|
| + v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
|
| + v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
|
| + v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
|
| + v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
|
| + v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
|
| +
|
| + u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
|
| + u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
|
| + u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
|
| + u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
|
| + u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
|
| + u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
|
| + u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
|
| + u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
|
| + u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
|
| + u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
|
| + u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
|
| + u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
|
| + u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
|
| + u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
|
| + u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
|
| + u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
|
| +
|
| + x[0] = _mm_add_epi16(s[0], s[4]);
|
| + x[1] = _mm_add_epi16(s[1], s[5]);
|
| + x[2] = _mm_add_epi16(s[2], s[6]);
|
| + x[3] = _mm_add_epi16(s[3], s[7]);
|
| + x[4] = _mm_sub_epi16(s[0], s[4]);
|
| + x[5] = _mm_sub_epi16(s[1], s[5]);
|
| + x[6] = _mm_sub_epi16(s[2], s[6]);
|
| + x[7] = _mm_sub_epi16(s[3], s[7]);
|
| + x[8] = _mm_packs_epi32(u[0], u[1]);
|
| + x[9] = _mm_packs_epi32(u[2], u[3]);
|
| + x[10] = _mm_packs_epi32(u[4], u[5]);
|
| + x[11] = _mm_packs_epi32(u[6], u[7]);
|
| + x[12] = _mm_packs_epi32(u[8], u[9]);
|
| + x[13] = _mm_packs_epi32(u[10], u[11]);
|
| + x[14] = _mm_packs_epi32(u[12], u[13]);
|
| + x[15] = _mm_packs_epi32(u[14], u[15]);
|
| +
|
| + // stage 3
|
| + u[0] = _mm_unpacklo_epi16(x[4], x[5]);
|
| + u[1] = _mm_unpackhi_epi16(x[4], x[5]);
|
| + u[2] = _mm_unpacklo_epi16(x[6], x[7]);
|
| + u[3] = _mm_unpackhi_epi16(x[6], x[7]);
|
| + u[4] = _mm_unpacklo_epi16(x[12], x[13]);
|
| + u[5] = _mm_unpackhi_epi16(x[12], x[13]);
|
| + u[6] = _mm_unpacklo_epi16(x[14], x[15]);
|
| + u[7] = _mm_unpackhi_epi16(x[14], x[15]);
|
| +
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
|
| + v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
|
| + v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
|
| + v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
|
| + v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
|
| + v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
|
| + v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
|
| + v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24);
|
| + v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24);
|
| + v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08);
|
| + v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08);
|
| + v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08);
|
| + v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08);
|
| + v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24);
|
| + v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24);
|
| +
|
| + u[0] = _mm_add_epi32(v[0], v[4]);
|
| + u[1] = _mm_add_epi32(v[1], v[5]);
|
| + u[2] = _mm_add_epi32(v[2], v[6]);
|
| + u[3] = _mm_add_epi32(v[3], v[7]);
|
| + u[4] = _mm_sub_epi32(v[0], v[4]);
|
| + u[5] = _mm_sub_epi32(v[1], v[5]);
|
| + u[6] = _mm_sub_epi32(v[2], v[6]);
|
| + u[7] = _mm_sub_epi32(v[3], v[7]);
|
| + u[8] = _mm_add_epi32(v[8], v[12]);
|
| + u[9] = _mm_add_epi32(v[9], v[13]);
|
| + u[10] = _mm_add_epi32(v[10], v[14]);
|
| + u[11] = _mm_add_epi32(v[11], v[15]);
|
| + u[12] = _mm_sub_epi32(v[8], v[12]);
|
| + u[13] = _mm_sub_epi32(v[9], v[13]);
|
| + u[14] = _mm_sub_epi32(v[10], v[14]);
|
| + u[15] = _mm_sub_epi32(v[11], v[15]);
|
| +
|
| + u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
|
| + u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
|
| + u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
|
| + u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
|
| + u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
|
| + u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
|
| + u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
|
| + u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
|
| + u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
|
| + u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
|
| + u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
|
| + u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
|
| + u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
|
| + u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
|
| + u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
|
| + u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
|
| +
|
| + v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
|
| + v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
|
| + v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
|
| + v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
|
| + v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
|
| + v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
|
| + v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
|
| + v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
|
| + v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
|
| + v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
|
| + v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
|
| + v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
|
| + v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
|
| + v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
|
| + v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
|
| + v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
|
| +
|
| + s[0] = _mm_add_epi16(x[0], x[2]);
|
| + s[1] = _mm_add_epi16(x[1], x[3]);
|
| + s[2] = _mm_sub_epi16(x[0], x[2]);
|
| + s[3] = _mm_sub_epi16(x[1], x[3]);
|
| + s[4] = _mm_packs_epi32(v[0], v[1]);
|
| + s[5] = _mm_packs_epi32(v[2], v[3]);
|
| + s[6] = _mm_packs_epi32(v[4], v[5]);
|
| + s[7] = _mm_packs_epi32(v[6], v[7]);
|
| + s[8] = _mm_add_epi16(x[8], x[10]);
|
| + s[9] = _mm_add_epi16(x[9], x[11]);
|
| + s[10] = _mm_sub_epi16(x[8], x[10]);
|
| + s[11] = _mm_sub_epi16(x[9], x[11]);
|
| + s[12] = _mm_packs_epi32(v[8], v[9]);
|
| + s[13] = _mm_packs_epi32(v[10], v[11]);
|
| + s[14] = _mm_packs_epi32(v[12], v[13]);
|
| + s[15] = _mm_packs_epi32(v[14], v[15]);
|
| +
|
| + // stage 4
|
| + u[0] = _mm_unpacklo_epi16(s[2], s[3]);
|
| + u[1] = _mm_unpackhi_epi16(s[2], s[3]);
|
| + u[2] = _mm_unpacklo_epi16(s[6], s[7]);
|
| + u[3] = _mm_unpackhi_epi16(s[6], s[7]);
|
| + u[4] = _mm_unpacklo_epi16(s[10], s[11]);
|
| + u[5] = _mm_unpackhi_epi16(s[10], s[11]);
|
| + u[6] = _mm_unpacklo_epi16(s[14], s[15]);
|
| + u[7] = _mm_unpackhi_epi16(s[14], s[15]);
|
| +
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16);
|
| + v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16);
|
| + v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
|
| + v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
|
| + v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
|
| + v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
|
| + v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
|
| + v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16);
|
| + v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16);
|
| + v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16);
|
| + v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16);
|
| + v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16);
|
| + v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16);
|
| + v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16);
|
| + v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16);
|
| +
|
| + u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
|
| + u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
|
| + u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
|
| + u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
|
| + u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
|
| + u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
|
| + u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
|
| + u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
|
| + u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
|
| + u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
|
| + u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
|
| + u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
|
| + u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
|
| + u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
|
| + u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
|
| + u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
|
| +
|
| + v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
|
| + v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
|
| + v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
|
| + v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
|
| + v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
|
| + v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
|
| + v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
|
| + v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
|
| + v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
|
| + v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
|
| + v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
|
| + v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
|
| + v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
|
| + v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
|
| + v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
|
| + v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
|
| +
|
| + in[0] = s[0];
|
| + in[1] = _mm_sub_epi16(kZero, s[8]);
|
| + in[2] = s[12];
|
| + in[3] = _mm_sub_epi16(kZero, s[4]);
|
| + in[4] = _mm_packs_epi32(v[4], v[5]);
|
| + in[5] = _mm_packs_epi32(v[12], v[13]);
|
| + in[6] = _mm_packs_epi32(v[8], v[9]);
|
| + in[7] = _mm_packs_epi32(v[0], v[1]);
|
| + in[8] = _mm_packs_epi32(v[2], v[3]);
|
| + in[9] = _mm_packs_epi32(v[10], v[11]);
|
| + in[10] = _mm_packs_epi32(v[14], v[15]);
|
| + in[11] = _mm_packs_epi32(v[6], v[7]);
|
| + in[12] = s[5];
|
| + in[13] = _mm_sub_epi16(kZero, s[13]);
|
| + in[14] = s[9];
|
| + in[15] = _mm_sub_epi16(kZero, s[1]);
|
| +}
|
| +
|
| +static void idct16_8col(__m128i *in) {
|
| + const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
|
| + const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
|
| + const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
|
| + const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
|
| + const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
|
| + const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
|
| + const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
|
| + const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
|
| + const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
|
| + const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
|
| + const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
|
| + const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
|
| + const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
|
| + const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
|
| + const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
|
| + const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
|
| + const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
|
| + const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
|
| + const __m128i k__cospi_m24_m08 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
|
| + const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
|
| + const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + __m128i v[16], u[16], s[16], t[16];
|
| +
|
| + // stage 1
|
| + s[0] = in[0];
|
| + s[1] = in[8];
|
| + s[2] = in[4];
|
| + s[3] = in[12];
|
| + s[4] = in[2];
|
| + s[5] = in[10];
|
| + s[6] = in[6];
|
| + s[7] = in[14];
|
| + s[8] = in[1];
|
| + s[9] = in[9];
|
| + s[10] = in[5];
|
| + s[11] = in[13];
|
| + s[12] = in[3];
|
| + s[13] = in[11];
|
| + s[14] = in[7];
|
| + s[15] = in[15];
|
| +
|
| + // stage 2
|
| + u[0] = _mm_unpacklo_epi16(s[8], s[15]);
|
| + u[1] = _mm_unpackhi_epi16(s[8], s[15]);
|
| + u[2] = _mm_unpacklo_epi16(s[9], s[14]);
|
| + u[3] = _mm_unpackhi_epi16(s[9], s[14]);
|
| + u[4] = _mm_unpacklo_epi16(s[10], s[13]);
|
| + u[5] = _mm_unpackhi_epi16(s[10], s[13]);
|
| + u[6] = _mm_unpacklo_epi16(s[11], s[12]);
|
| + u[7] = _mm_unpackhi_epi16(s[11], s[12]);
|
| +
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_p30_m02);
|
| + v[1] = _mm_madd_epi16(u[1], k__cospi_p30_m02);
|
| + v[2] = _mm_madd_epi16(u[0], k__cospi_p02_p30);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p02_p30);
|
| + v[4] = _mm_madd_epi16(u[2], k__cospi_p14_m18);
|
| + v[5] = _mm_madd_epi16(u[3], k__cospi_p14_m18);
|
| + v[6] = _mm_madd_epi16(u[2], k__cospi_p18_p14);
|
| + v[7] = _mm_madd_epi16(u[3], k__cospi_p18_p14);
|
| + v[8] = _mm_madd_epi16(u[4], k__cospi_p22_m10);
|
| + v[9] = _mm_madd_epi16(u[5], k__cospi_p22_m10);
|
| + v[10] = _mm_madd_epi16(u[4], k__cospi_p10_p22);
|
| + v[11] = _mm_madd_epi16(u[5], k__cospi_p10_p22);
|
| + v[12] = _mm_madd_epi16(u[6], k__cospi_p06_m26);
|
| + v[13] = _mm_madd_epi16(u[7], k__cospi_p06_m26);
|
| + v[14] = _mm_madd_epi16(u[6], k__cospi_p26_p06);
|
| + v[15] = _mm_madd_epi16(u[7], k__cospi_p26_p06);
|
| +
|
| + u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
|
| + u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
|
| + u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
|
| + u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
|
| + u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
|
| + u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
|
| + u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
|
| + u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
|
| + u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
|
| + u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
|
| + u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
|
| + u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
|
| + u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
|
| + u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
|
| + u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
|
| + u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
|
| +
|
| + u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
|
| + u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
|
| + u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
|
| + u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
|
| + u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
|
| + u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
|
| + u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
|
| + u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
|
| + u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
|
| + u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
|
| + u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
|
| + u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
|
| + u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
|
| + u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
|
| + u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
|
| + u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
|
| +
|
| + s[8] = _mm_packs_epi32(u[0], u[1]);
|
| + s[15] = _mm_packs_epi32(u[2], u[3]);
|
| + s[9] = _mm_packs_epi32(u[4], u[5]);
|
| + s[14] = _mm_packs_epi32(u[6], u[7]);
|
| + s[10] = _mm_packs_epi32(u[8], u[9]);
|
| + s[13] = _mm_packs_epi32(u[10], u[11]);
|
| + s[11] = _mm_packs_epi32(u[12], u[13]);
|
| + s[12] = _mm_packs_epi32(u[14], u[15]);
|
| +
|
| + // stage 3
|
| + t[0] = s[0];
|
| + t[1] = s[1];
|
| + t[2] = s[2];
|
| + t[3] = s[3];
|
| + u[0] = _mm_unpacklo_epi16(s[4], s[7]);
|
| + u[1] = _mm_unpackhi_epi16(s[4], s[7]);
|
| + u[2] = _mm_unpacklo_epi16(s[5], s[6]);
|
| + u[3] = _mm_unpackhi_epi16(s[5], s[6]);
|
| +
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
|
| + v[1] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
|
| + v[2] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
|
| + v[4] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
|
| + v[5] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
|
| + v[6] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
|
| + v[7] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
|
| +
|
| + u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
|
| + u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
|
| + u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
|
| + u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
|
| + u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
|
| + u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
|
| + u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
|
| + u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
|
| +
|
| + u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
|
| + u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
|
| + u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
|
| + u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
|
| + u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
|
| + u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
|
| + u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
|
| + u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
|
| +
|
| + t[4] = _mm_packs_epi32(u[0], u[1]);
|
| + t[7] = _mm_packs_epi32(u[2], u[3]);
|
| + t[5] = _mm_packs_epi32(u[4], u[5]);
|
| + t[6] = _mm_packs_epi32(u[6], u[7]);
|
| + t[8] = _mm_add_epi16(s[8], s[9]);
|
| + t[9] = _mm_sub_epi16(s[8], s[9]);
|
| + t[10] = _mm_sub_epi16(s[11], s[10]);
|
| + t[11] = _mm_add_epi16(s[10], s[11]);
|
| + t[12] = _mm_add_epi16(s[12], s[13]);
|
| + t[13] = _mm_sub_epi16(s[12], s[13]);
|
| + t[14] = _mm_sub_epi16(s[15], s[14]);
|
| + t[15] = _mm_add_epi16(s[14], s[15]);
|
| +
|
| + // stage 4
|
| + u[0] = _mm_unpacklo_epi16(t[0], t[1]);
|
| + u[1] = _mm_unpackhi_epi16(t[0], t[1]);
|
| + u[2] = _mm_unpacklo_epi16(t[2], t[3]);
|
| + u[3] = _mm_unpackhi_epi16(t[2], t[3]);
|
| + u[4] = _mm_unpacklo_epi16(t[9], t[14]);
|
| + u[5] = _mm_unpackhi_epi16(t[9], t[14]);
|
| + u[6] = _mm_unpacklo_epi16(t[10], t[13]);
|
| + u[7] = _mm_unpackhi_epi16(t[10], t[13]);
|
| +
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
|
| + v[1] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
|
| + v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
|
| + v[4] = _mm_madd_epi16(u[2], k__cospi_p24_m08);
|
| + v[5] = _mm_madd_epi16(u[3], k__cospi_p24_m08);
|
| + v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
|
| + v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
|
| + v[8] = _mm_madd_epi16(u[4], k__cospi_m08_p24);
|
| + v[9] = _mm_madd_epi16(u[5], k__cospi_m08_p24);
|
| + v[10] = _mm_madd_epi16(u[4], k__cospi_p24_p08);
|
| + v[11] = _mm_madd_epi16(u[5], k__cospi_p24_p08);
|
| + v[12] = _mm_madd_epi16(u[6], k__cospi_m24_m08);
|
| + v[13] = _mm_madd_epi16(u[7], k__cospi_m24_m08);
|
| + v[14] = _mm_madd_epi16(u[6], k__cospi_m08_p24);
|
| + v[15] = _mm_madd_epi16(u[7], k__cospi_m08_p24);
|
| +
|
| + u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
|
| + u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
|
| + u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
|
| + u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
|
| + u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
|
| + u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
|
| + u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
|
| + u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
|
| + u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
|
| + u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
|
| + u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
|
| + u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
|
| + u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
|
| + u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
|
| + u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
|
| + u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
|
| +
|
| + u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
|
| + u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
|
| + u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
|
| + u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
|
| + u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
|
| + u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
|
| + u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
|
| + u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
|
| + u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
|
| + u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
|
| + u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
|
| + u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
|
| + u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
|
| + u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
|
| + u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
|
| + u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
|
| +
|
| + s[0] = _mm_packs_epi32(u[0], u[1]);
|
| + s[1] = _mm_packs_epi32(u[2], u[3]);
|
| + s[2] = _mm_packs_epi32(u[4], u[5]);
|
| + s[3] = _mm_packs_epi32(u[6], u[7]);
|
| + s[4] = _mm_add_epi16(t[4], t[5]);
|
| + s[5] = _mm_sub_epi16(t[4], t[5]);
|
| + s[6] = _mm_sub_epi16(t[7], t[6]);
|
| + s[7] = _mm_add_epi16(t[6], t[7]);
|
| + s[8] = t[8];
|
| + s[15] = t[15];
|
| + s[9] = _mm_packs_epi32(u[8], u[9]);
|
| + s[14] = _mm_packs_epi32(u[10], u[11]);
|
| + s[10] = _mm_packs_epi32(u[12], u[13]);
|
| + s[13] = _mm_packs_epi32(u[14], u[15]);
|
| + s[11] = t[11];
|
| + s[12] = t[12];
|
| +
|
| + // stage 5
|
| + t[0] = _mm_add_epi16(s[0], s[3]);
|
| + t[1] = _mm_add_epi16(s[1], s[2]);
|
| + t[2] = _mm_sub_epi16(s[1], s[2]);
|
| + t[3] = _mm_sub_epi16(s[0], s[3]);
|
| + t[4] = s[4];
|
| + t[7] = s[7];
|
| +
|
| + u[0] = _mm_unpacklo_epi16(s[5], s[6]);
|
| + u[1] = _mm_unpackhi_epi16(s[5], s[6]);
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
|
| + v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
|
| + v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
|
| + u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
|
| + u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
|
| + u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
|
| + u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
|
| + u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
|
| + u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
|
| + u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
|
| + u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
|
| + t[5] = _mm_packs_epi32(u[0], u[1]);
|
| + t[6] = _mm_packs_epi32(u[2], u[3]);
|
| +
|
| + t[8] = _mm_add_epi16(s[8], s[11]);
|
| + t[9] = _mm_add_epi16(s[9], s[10]);
|
| + t[10] = _mm_sub_epi16(s[9], s[10]);
|
| + t[11] = _mm_sub_epi16(s[8], s[11]);
|
| + t[12] = _mm_sub_epi16(s[15], s[12]);
|
| + t[13] = _mm_sub_epi16(s[14], s[13]);
|
| + t[14] = _mm_add_epi16(s[13], s[14]);
|
| + t[15] = _mm_add_epi16(s[12], s[15]);
|
| +
|
| + // stage 6
|
| + s[0] = _mm_add_epi16(t[0], t[7]);
|
| + s[1] = _mm_add_epi16(t[1], t[6]);
|
| + s[2] = _mm_add_epi16(t[2], t[5]);
|
| + s[3] = _mm_add_epi16(t[3], t[4]);
|
| + s[4] = _mm_sub_epi16(t[3], t[4]);
|
| + s[5] = _mm_sub_epi16(t[2], t[5]);
|
| + s[6] = _mm_sub_epi16(t[1], t[6]);
|
| + s[7] = _mm_sub_epi16(t[0], t[7]);
|
| + s[8] = t[8];
|
| + s[9] = t[9];
|
| +
|
| + u[0] = _mm_unpacklo_epi16(t[10], t[13]);
|
| + u[1] = _mm_unpackhi_epi16(t[10], t[13]);
|
| + u[2] = _mm_unpacklo_epi16(t[11], t[12]);
|
| + u[3] = _mm_unpackhi_epi16(t[11], t[12]);
|
| +
|
| + v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
|
| + v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
|
| + v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
|
| + v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
|
| + v[4] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
|
| + v[5] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
|
| + v[6] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
|
| + v[7] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
|
| +
|
| + u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
|
| + u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
|
| + u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
|
| + u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
|
| + u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
|
| + u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
|
| + u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
|
| + u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
|
| +
|
| + u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
|
| + u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
|
| + u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
|
| + u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
|
| + u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
|
| + u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
|
| + u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
|
| + u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
|
| +
|
| + s[10] = _mm_packs_epi32(u[0], u[1]);
|
| + s[13] = _mm_packs_epi32(u[2], u[3]);
|
| + s[11] = _mm_packs_epi32(u[4], u[5]);
|
| + s[12] = _mm_packs_epi32(u[6], u[7]);
|
| + s[14] = t[14];
|
| + s[15] = t[15];
|
| +
|
| + // stage 7
|
| + in[0] = _mm_add_epi16(s[0], s[15]);
|
| + in[1] = _mm_add_epi16(s[1], s[14]);
|
| + in[2] = _mm_add_epi16(s[2], s[13]);
|
| + in[3] = _mm_add_epi16(s[3], s[12]);
|
| + in[4] = _mm_add_epi16(s[4], s[11]);
|
| + in[5] = _mm_add_epi16(s[5], s[10]);
|
| + in[6] = _mm_add_epi16(s[6], s[9]);
|
| + in[7] = _mm_add_epi16(s[7], s[8]);
|
| + in[8] = _mm_sub_epi16(s[7], s[8]);
|
| + in[9] = _mm_sub_epi16(s[6], s[9]);
|
| + in[10] = _mm_sub_epi16(s[5], s[10]);
|
| + in[11] = _mm_sub_epi16(s[4], s[11]);
|
| + in[12] = _mm_sub_epi16(s[3], s[12]);
|
| + in[13] = _mm_sub_epi16(s[2], s[13]);
|
| + in[14] = _mm_sub_epi16(s[1], s[14]);
|
| + in[15] = _mm_sub_epi16(s[0], s[15]);
|
| +}
|
| +
|
| +static void idct16_sse2(__m128i *in0, __m128i *in1) {
|
| + array_transpose_16x16(in0, in1);
|
| + idct16_8col(in0);
|
| + idct16_8col(in1);
|
| +}
|
| +
|
| +static void iadst16_sse2(__m128i *in0, __m128i *in1) {
|
| + array_transpose_16x16(in0, in1);
|
| + iadst16_8col(in0);
|
| + iadst16_8col(in1);
|
| +}
|
| +
|
| +void vp9_iht16x16_256_add_sse2(const int16_t *input, uint8_t *dest, int stride,
|
| + int tx_type) {
|
| + __m128i in0[16], in1[16];
|
| +
|
| + load_buffer_8x16(input, in0);
|
| + input += 8;
|
| + load_buffer_8x16(input, in1);
|
| +
|
| + switch (tx_type) {
|
| + case 0: // DCT_DCT
|
| + idct16_sse2(in0, in1);
|
| + idct16_sse2(in0, in1);
|
| + break;
|
| + case 1: // ADST_DCT
|
| + idct16_sse2(in0, in1);
|
| + iadst16_sse2(in0, in1);
|
| + break;
|
| + case 2: // DCT_ADST
|
| + iadst16_sse2(in0, in1);
|
| + idct16_sse2(in0, in1);
|
| + break;
|
| + case 3: // ADST_ADST
|
| + iadst16_sse2(in0, in1);
|
| + iadst16_sse2(in0, in1);
|
| + break;
|
| + default:
|
| + assert(0);
|
| + break;
|
| + }
|
| +
|
| + write_buffer_8x16(dest, in0, stride);
|
| + dest += 8;
|
| + write_buffer_8x16(dest, in1, stride);
|
| +}
|
| +
|
| +void vp9_idct16x16_10_add_sse2(const int16_t *input, uint8_t *dest,
|
| + int stride) {
|
| + const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + const __m128i final_rounding = _mm_set1_epi16(1 << 5);
|
| + const __m128i zero = _mm_setzero_si128();
|
| +
|
| + const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
|
| + const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
|
| + const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
|
| + const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
|
| +
|
| + const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
|
| + const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
|
| +
|
| + const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
|
| + const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
|
| + const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
|
| + const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
|
| + const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
|
| + const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
|
| +
|
| + const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
|
| + __m128i in[16], l[16];
|
| + __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6,
|
| + stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
|
| + stp1_8_0, stp1_12_0;
|
| + __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
|
| + stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14;
|
| + __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
|
| + int i;
|
| + // First 1-D inverse DCT
|
| + // Load input data.
|
| + in[0] = _mm_load_si128((const __m128i *)input);
|
| + in[1] = _mm_load_si128((const __m128i *)(input + 8 * 2));
|
| + in[2] = _mm_load_si128((const __m128i *)(input + 8 * 4));
|
| + in[3] = _mm_load_si128((const __m128i *)(input + 8 * 6));
|
| +
|
| + TRANSPOSE_8X4(in[0], in[1], in[2], in[3], in[0], in[1]);
|
| +
|
| + // Stage2
|
| + {
|
| + const __m128i lo_1_15 = _mm_unpackhi_epi16(in[0], zero);
|
| + const __m128i lo_13_3 = _mm_unpackhi_epi16(zero, in[1]);
|
| +
|
| + tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
|
| + tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
|
| + tmp5 = _mm_madd_epi16(lo_13_3, stg2_6);
|
| + tmp7 = _mm_madd_epi16(lo_13_3, stg2_7);
|
| +
|
| + tmp0 = _mm_add_epi32(tmp0, rounding);
|
| + tmp2 = _mm_add_epi32(tmp2, rounding);
|
| + tmp5 = _mm_add_epi32(tmp5, rounding);
|
| + tmp7 = _mm_add_epi32(tmp7, rounding);
|
| +
|
| + tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
|
| + tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
|
| + tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
|
| + tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
|
| +
|
| + stp2_8 = _mm_packs_epi32(tmp0, tmp2);
|
| + stp2_11 = _mm_packs_epi32(tmp5, tmp7);
|
| + }
|
| +
|
| + // Stage3
|
| + {
|
| + const __m128i lo_2_14 = _mm_unpacklo_epi16(in[1], zero);
|
| +
|
| + tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
|
| + tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
|
| +
|
| + 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_13 = _mm_unpackhi_epi64(stp2_11, zero);
|
| + stp1_14 = _mm_unpackhi_epi64(stp2_8, zero);
|
| +
|
| + stp1_4 = _mm_packs_epi32(tmp0, tmp2);
|
| + }
|
| +
|
| + // Stage4
|
| + {
|
| + const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero);
|
| + const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp1_14);
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp1_13);
|
| +
|
| + tmp0 = _mm_madd_epi16(lo_0_8, stg4_0);
|
| + tmp2 = _mm_madd_epi16(lo_0_8, stg4_1);
|
| + tmp1 = _mm_madd_epi16(lo_9_14, stg4_4);
|
| + tmp3 = _mm_madd_epi16(lo_9_14, stg4_5);
|
| + tmp5 = _mm_madd_epi16(lo_10_13, stg4_6);
|
| + tmp7 = _mm_madd_epi16(lo_10_13, stg4_7);
|
| +
|
| + tmp0 = _mm_add_epi32(tmp0, rounding);
|
| + tmp2 = _mm_add_epi32(tmp2, rounding);
|
| + tmp1 = _mm_add_epi32(tmp1, rounding);
|
| + tmp3 = _mm_add_epi32(tmp3, rounding);
|
| + tmp5 = _mm_add_epi32(tmp5, rounding);
|
| + tmp7 = _mm_add_epi32(tmp7, rounding);
|
| +
|
| + tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
|
| + tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
|
| + tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
|
| + tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
|
| + tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
|
| + tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
|
| +
|
| + stp1_0 = _mm_packs_epi32(tmp0, tmp0);
|
| + stp1_1 = _mm_packs_epi32(tmp2, tmp2);
|
| + stp2_9 = _mm_packs_epi32(tmp1, tmp3);
|
| + stp2_10 = _mm_packs_epi32(tmp5, tmp7);
|
| +
|
| + stp2_6 = _mm_unpackhi_epi64(stp1_4, zero);
|
| + }
|
| +
|
| + // Stage5 and Stage6
|
| + {
|
| + tmp0 = _mm_add_epi16(stp2_8, stp2_11);
|
| + tmp1 = _mm_sub_epi16(stp2_8, stp2_11);
|
| + tmp2 = _mm_add_epi16(stp2_9, stp2_10);
|
| + tmp3 = _mm_sub_epi16(stp2_9, stp2_10);
|
| +
|
| + stp1_9 = _mm_unpacklo_epi64(tmp2, zero);
|
| + stp1_10 = _mm_unpacklo_epi64(tmp3, zero);
|
| + stp1_8 = _mm_unpacklo_epi64(tmp0, zero);
|
| + stp1_11 = _mm_unpacklo_epi64(tmp1, zero);
|
| +
|
| + stp1_13 = _mm_unpackhi_epi64(tmp3, zero);
|
| + stp1_14 = _mm_unpackhi_epi64(tmp2, zero);
|
| + stp1_12 = _mm_unpackhi_epi64(tmp1, zero);
|
| + stp1_15 = _mm_unpackhi_epi64(tmp0, zero);
|
| + }
|
| +
|
| + // Stage6
|
| + {
|
| + const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp1_4);
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
|
| + const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
|
| +
|
| + tmp1 = _mm_madd_epi16(lo_6_5, stg4_1);
|
| + tmp3 = _mm_madd_epi16(lo_6_5, stg4_0);
|
| + tmp0 = _mm_madd_epi16(lo_10_13, stg6_0);
|
| + tmp2 = _mm_madd_epi16(lo_10_13, stg4_0);
|
| + tmp4 = _mm_madd_epi16(lo_11_12, stg6_0);
|
| + tmp6 = _mm_madd_epi16(lo_11_12, stg4_0);
|
| +
|
| + tmp1 = _mm_add_epi32(tmp1, rounding);
|
| + tmp3 = _mm_add_epi32(tmp3, rounding);
|
| + tmp0 = _mm_add_epi32(tmp0, rounding);
|
| + tmp2 = _mm_add_epi32(tmp2, rounding);
|
| + tmp4 = _mm_add_epi32(tmp4, rounding);
|
| + tmp6 = _mm_add_epi32(tmp6, rounding);
|
| +
|
| + tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
|
| + tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
|
| + 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_6 = _mm_packs_epi32(tmp3, tmp1);
|
| +
|
| + stp2_10 = _mm_packs_epi32(tmp0, zero);
|
| + stp2_13 = _mm_packs_epi32(tmp2, zero);
|
| + stp2_11 = _mm_packs_epi32(tmp4, zero);
|
| + stp2_12 = _mm_packs_epi32(tmp6, zero);
|
| +
|
| + tmp0 = _mm_add_epi16(stp1_0, stp1_4);
|
| + tmp1 = _mm_sub_epi16(stp1_0, stp1_4);
|
| + tmp2 = _mm_add_epi16(stp1_1, stp1_6);
|
| + tmp3 = _mm_sub_epi16(stp1_1, stp1_6);
|
| +
|
| + stp2_0 = _mm_unpackhi_epi64(tmp0, zero);
|
| + stp2_1 = _mm_unpacklo_epi64(tmp2, zero);
|
| + stp2_2 = _mm_unpackhi_epi64(tmp2, zero);
|
| + stp2_3 = _mm_unpacklo_epi64(tmp0, zero);
|
| + stp2_4 = _mm_unpacklo_epi64(tmp1, zero);
|
| + stp2_5 = _mm_unpackhi_epi64(tmp3, zero);
|
| + stp2_6 = _mm_unpacklo_epi64(tmp3, zero);
|
| + stp2_7 = _mm_unpackhi_epi64(tmp1, zero);
|
| + }
|
| +
|
| + // Stage7. Left 8x16 only.
|
| + l[0] = _mm_add_epi16(stp2_0, stp1_15);
|
| + l[1] = _mm_add_epi16(stp2_1, stp1_14);
|
| + l[2] = _mm_add_epi16(stp2_2, stp2_13);
|
| + l[3] = _mm_add_epi16(stp2_3, stp2_12);
|
| + l[4] = _mm_add_epi16(stp2_4, stp2_11);
|
| + l[5] = _mm_add_epi16(stp2_5, stp2_10);
|
| + l[6] = _mm_add_epi16(stp2_6, stp1_9);
|
| + l[7] = _mm_add_epi16(stp2_7, stp1_8);
|
| + l[8] = _mm_sub_epi16(stp2_7, stp1_8);
|
| + l[9] = _mm_sub_epi16(stp2_6, stp1_9);
|
| + l[10] = _mm_sub_epi16(stp2_5, stp2_10);
|
| + l[11] = _mm_sub_epi16(stp2_4, stp2_11);
|
| + l[12] = _mm_sub_epi16(stp2_3, stp2_12);
|
| + l[13] = _mm_sub_epi16(stp2_2, stp2_13);
|
| + l[14] = _mm_sub_epi16(stp2_1, stp1_14);
|
| + l[15] = _mm_sub_epi16(stp2_0, stp1_15);
|
| +
|
| + // Second 1-D inverse transform, performed per 8x16 block
|
| + for (i = 0; i < 2; i++) {
|
| + int j;
|
| + array_transpose_4X8(l + 8 * i, in);
|
| +
|
| + IDCT16_10
|
| +
|
| + // Stage7
|
| + in[0] = _mm_add_epi16(stp2_0, stp1_15);
|
| + in[1] = _mm_add_epi16(stp2_1, stp1_14);
|
| + in[2] = _mm_add_epi16(stp2_2, stp2_13);
|
| + in[3] = _mm_add_epi16(stp2_3, stp2_12);
|
| + in[4] = _mm_add_epi16(stp2_4, stp2_11);
|
| + in[5] = _mm_add_epi16(stp2_5, stp2_10);
|
| + in[6] = _mm_add_epi16(stp2_6, stp1_9);
|
| + in[7] = _mm_add_epi16(stp2_7, stp1_8);
|
| + in[8] = _mm_sub_epi16(stp2_7, stp1_8);
|
| + in[9] = _mm_sub_epi16(stp2_6, stp1_9);
|
| + in[10] = _mm_sub_epi16(stp2_5, stp2_10);
|
| + in[11] = _mm_sub_epi16(stp2_4, stp2_11);
|
| + in[12] = _mm_sub_epi16(stp2_3, stp2_12);
|
| + in[13] = _mm_sub_epi16(stp2_2, stp2_13);
|
| + in[14] = _mm_sub_epi16(stp2_1, stp1_14);
|
| + in[15] = _mm_sub_epi16(stp2_0, stp1_15);
|
| +
|
| + for (j = 0; j < 16; ++j) {
|
| + // Final rounding and shift
|
| + in[j] = _mm_adds_epi16(in[j], final_rounding);
|
| + in[j] = _mm_srai_epi16(in[j], 6);
|
| + RECON_AND_STORE(dest + j * stride, in[j]);
|
| + }
|
| +
|
| + dest += 8;
|
| + }
|
| +}
|
| +
|
| +#define LOAD_DQCOEFF(reg, input) \
|
| + { \
|
| + reg = _mm_load_si128((const __m128i *) input); \
|
| + input += 8; \
|
| + } \
|
| +
|
| +#define IDCT32_34 \
|
| +/* Stage1 */ \
|
| +{ \
|
| + const __m128i zero = _mm_setzero_si128();\
|
| + const __m128i lo_1_31 = _mm_unpacklo_epi16(in[1], zero); \
|
| + const __m128i hi_1_31 = _mm_unpackhi_epi16(in[1], zero); \
|
| + \
|
| + const __m128i lo_25_7= _mm_unpacklo_epi16(zero, in[7]); \
|
| + const __m128i hi_25_7 = _mm_unpackhi_epi16(zero, in[7]); \
|
| + \
|
| + const __m128i lo_5_27 = _mm_unpacklo_epi16(in[5], zero); \
|
| + const __m128i hi_5_27 = _mm_unpackhi_epi16(in[5], zero); \
|
| + \
|
| + const __m128i lo_29_3 = _mm_unpacklo_epi16(zero, in[3]); \
|
| + const __m128i hi_29_3 = _mm_unpackhi_epi16(zero, in[3]); \
|
| + \
|
| + MULTIPLICATION_AND_ADD_2(lo_1_31, hi_1_31, stg1_0, \
|
| + stg1_1, stp1_16, stp1_31); \
|
| + MULTIPLICATION_AND_ADD_2(lo_25_7, hi_25_7, stg1_6, \
|
| + stg1_7, stp1_19, stp1_28); \
|
| + MULTIPLICATION_AND_ADD_2(lo_5_27, hi_5_27, stg1_8, \
|
| + stg1_9, stp1_20, stp1_27); \
|
| + MULTIPLICATION_AND_ADD_2(lo_29_3, hi_29_3, stg1_14, \
|
| + stg1_15, stp1_23, stp1_24); \
|
| +} \
|
| +\
|
| +/* Stage2 */ \
|
| +{ \
|
| + const __m128i zero = _mm_setzero_si128();\
|
| + const __m128i lo_2_30 = _mm_unpacklo_epi16(in[2], zero); \
|
| + const __m128i hi_2_30 = _mm_unpackhi_epi16(in[2], zero); \
|
| + \
|
| + const __m128i lo_26_6 = _mm_unpacklo_epi16(zero, in[6]); \
|
| + const __m128i hi_26_6 = _mm_unpackhi_epi16(zero, in[6]); \
|
| + \
|
| + MULTIPLICATION_AND_ADD_2(lo_2_30, hi_2_30, stg2_0, \
|
| + stg2_1, stp2_8, stp2_15); \
|
| + MULTIPLICATION_AND_ADD_2(lo_26_6, hi_26_6, stg2_6, \
|
| + stg2_7, stp2_11, stp2_12); \
|
| + \
|
| + stp2_16 = stp1_16; \
|
| + stp2_19 = stp1_19; \
|
| + \
|
| + stp2_20 = stp1_20; \
|
| + stp2_23 = stp1_23; \
|
| + \
|
| + stp2_24 = stp1_24; \
|
| + stp2_27 = stp1_27; \
|
| + \
|
| + stp2_28 = stp1_28; \
|
| + stp2_31 = stp1_31; \
|
| +} \
|
| +\
|
| +/* Stage3 */ \
|
| +{ \
|
| + const __m128i zero = _mm_setzero_si128();\
|
| + const __m128i lo_4_28 = _mm_unpacklo_epi16(in[4], zero); \
|
| + const __m128i hi_4_28 = _mm_unpackhi_epi16(in[4], zero); \
|
| + \
|
| + const __m128i lo_17_30 = _mm_unpacklo_epi16(stp1_16, stp1_31); \
|
| + const __m128i hi_17_30 = _mm_unpackhi_epi16(stp1_16, stp1_31); \
|
| + const __m128i lo_18_29 = _mm_unpacklo_epi16(stp1_19, stp1_28); \
|
| + const __m128i hi_18_29 = _mm_unpackhi_epi16(stp1_19, stp1_28); \
|
| + \
|
| + const __m128i lo_21_26 = _mm_unpacklo_epi16(stp1_20, stp1_27); \
|
| + const __m128i hi_21_26 = _mm_unpackhi_epi16(stp1_20, stp1_27); \
|
| + const __m128i lo_22_25 = _mm_unpacklo_epi16(stp1_23, stp1_24); \
|
| + const __m128i hi_22_25 = _mm_unpackhi_epi16(stp1_23, stp2_24); \
|
| + \
|
| + MULTIPLICATION_AND_ADD_2(lo_4_28, hi_4_28, stg3_0, \
|
| + stg3_1, stp1_4, stp1_7); \
|
| + \
|
| + stp1_8 = stp2_8; \
|
| + stp1_11 = stp2_11; \
|
| + stp1_12 = stp2_12; \
|
| + stp1_15 = stp2_15; \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \
|
| + stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \
|
| + stp1_18, stp1_29) \
|
| + MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \
|
| + stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \
|
| + stp1_22, stp1_25) \
|
| + \
|
| + stp1_16 = stp2_16; \
|
| + stp1_31 = stp2_31; \
|
| + stp1_19 = stp2_19; \
|
| + stp1_20 = stp2_20; \
|
| + stp1_23 = stp2_23; \
|
| + stp1_24 = stp2_24; \
|
| + stp1_27 = stp2_27; \
|
| + stp1_28 = stp2_28; \
|
| +} \
|
| +\
|
| +/* Stage4 */ \
|
| +{ \
|
| + const __m128i zero = _mm_setzero_si128();\
|
| + const __m128i lo_0_16 = _mm_unpacklo_epi16(in[0], zero); \
|
| + const __m128i hi_0_16 = _mm_unpackhi_epi16(in[0], zero); \
|
| + \
|
| + const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp2_15); \
|
| + const __m128i hi_9_14 = _mm_unpackhi_epi16(stp2_8, stp2_15); \
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp2_12); \
|
| + const __m128i hi_10_13 = _mm_unpackhi_epi16(stp2_11, stp2_12); \
|
| + \
|
| + MULTIPLICATION_AND_ADD_2(lo_0_16, hi_0_16, stg4_0, \
|
| + stg4_1, stp2_0, stp2_1); \
|
| + \
|
| + stp2_4 = stp1_4; \
|
| + stp2_5 = stp1_4; \
|
| + stp2_6 = stp1_7; \
|
| + stp2_7 = stp1_7; \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \
|
| + stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \
|
| + stp2_10, stp2_13) \
|
| + \
|
| + stp2_8 = stp1_8; \
|
| + stp2_15 = stp1_15; \
|
| + stp2_11 = stp1_11; \
|
| + stp2_12 = stp1_12; \
|
| + \
|
| + stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \
|
| + stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \
|
| + stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \
|
| + stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \
|
| + stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \
|
| + stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \
|
| + stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \
|
| + stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \
|
| + \
|
| + stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \
|
| + stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \
|
| + stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \
|
| + stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \
|
| + stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \
|
| + stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \
|
| + stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \
|
| + stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \
|
| +} \
|
| +\
|
| +/* Stage5 */ \
|
| +{ \
|
| + const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
|
| + const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
|
| + const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
|
| + const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
|
| + \
|
| + const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \
|
| + const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \
|
| + const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
|
| + const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
|
| + \
|
| + const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
|
| + const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
|
| + \
|
| + stp1_0 = stp2_0; \
|
| + stp1_1 = stp2_1; \
|
| + stp1_2 = stp2_1; \
|
| + stp1_3 = stp2_0; \
|
| + \
|
| + tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
|
| + tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
|
| + tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
|
| + tmp3 = _mm_madd_epi16(hi_6_5, stg4_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); \
|
| + \
|
| + stp1_4 = stp2_4; \
|
| + stp1_7 = stp2_7; \
|
| + \
|
| + stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \
|
| + stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
|
| + stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
|
| + stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \
|
| + stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \
|
| + stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
|
| + stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
|
| + stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \
|
| + \
|
| + stp1_16 = stp2_16; \
|
| + stp1_17 = stp2_17; \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \
|
| + stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \
|
| + stp1_19, stp1_28) \
|
| + MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \
|
| + stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \
|
| + stp1_21, stp1_26) \
|
| + \
|
| + stp1_22 = stp2_22; \
|
| + stp1_23 = stp2_23; \
|
| + stp1_24 = stp2_24; \
|
| + stp1_25 = stp2_25; \
|
| + stp1_30 = stp2_30; \
|
| + stp1_31 = stp2_31; \
|
| +} \
|
| +\
|
| +/* Stage6 */ \
|
| +{ \
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
|
| + const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
|
| + const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
|
| + const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
|
| + \
|
| + stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \
|
| + stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
|
| + stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
|
| + stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \
|
| + stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \
|
| + stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
|
| + stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
|
| + stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \
|
| + \
|
| + stp2_8 = stp1_8; \
|
| + stp2_9 = stp1_9; \
|
| + stp2_14 = stp1_14; \
|
| + stp2_15 = stp1_15; \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
|
| + stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \
|
| + stp2_13, stp2_11, stp2_12) \
|
| + \
|
| + stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \
|
| + stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \
|
| + stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \
|
| + stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \
|
| + stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \
|
| + stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \
|
| + stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \
|
| + stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \
|
| + \
|
| + stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \
|
| + stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \
|
| + stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \
|
| + stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \
|
| + stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \
|
| + stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \
|
| + stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \
|
| + stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \
|
| +} \
|
| +\
|
| +/* Stage7 */ \
|
| +{ \
|
| + const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
|
| + const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
|
| + const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
|
| + const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
|
| + \
|
| + const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
|
| + const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
|
| + const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \
|
| + const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \
|
| + \
|
| + stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \
|
| + stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \
|
| + stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \
|
| + stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \
|
| + stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \
|
| + stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \
|
| + stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \
|
| + stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \
|
| + stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \
|
| + stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \
|
| + stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \
|
| + stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \
|
| + stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \
|
| + stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \
|
| + stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \
|
| + stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \
|
| + \
|
| + stp1_16 = stp2_16; \
|
| + stp1_17 = stp2_17; \
|
| + stp1_18 = stp2_18; \
|
| + stp1_19 = stp2_19; \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \
|
| + stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \
|
| + stp1_21, stp1_26) \
|
| + MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \
|
| + stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \
|
| + stp1_23, stp1_24) \
|
| + \
|
| + stp1_28 = stp2_28; \
|
| + stp1_29 = stp2_29; \
|
| + stp1_30 = stp2_30; \
|
| + stp1_31 = stp2_31; \
|
| +}
|
| +
|
| +
|
| +#define IDCT32 \
|
| +/* Stage1 */ \
|
| +{ \
|
| + const __m128i lo_1_31 = _mm_unpacklo_epi16(in[1], in[31]); \
|
| + const __m128i hi_1_31 = _mm_unpackhi_epi16(in[1], in[31]); \
|
| + const __m128i lo_17_15 = _mm_unpacklo_epi16(in[17], in[15]); \
|
| + const __m128i hi_17_15 = _mm_unpackhi_epi16(in[17], in[15]); \
|
| + \
|
| + const __m128i lo_9_23 = _mm_unpacklo_epi16(in[9], in[23]); \
|
| + const __m128i hi_9_23 = _mm_unpackhi_epi16(in[9], in[23]); \
|
| + const __m128i lo_25_7= _mm_unpacklo_epi16(in[25], in[7]); \
|
| + const __m128i hi_25_7 = _mm_unpackhi_epi16(in[25], in[7]); \
|
| + \
|
| + const __m128i lo_5_27 = _mm_unpacklo_epi16(in[5], in[27]); \
|
| + const __m128i hi_5_27 = _mm_unpackhi_epi16(in[5], in[27]); \
|
| + const __m128i lo_21_11 = _mm_unpacklo_epi16(in[21], in[11]); \
|
| + const __m128i hi_21_11 = _mm_unpackhi_epi16(in[21], in[11]); \
|
| + \
|
| + const __m128i lo_13_19 = _mm_unpacklo_epi16(in[13], in[19]); \
|
| + const __m128i hi_13_19 = _mm_unpackhi_epi16(in[13], in[19]); \
|
| + const __m128i lo_29_3 = _mm_unpacklo_epi16(in[29], in[3]); \
|
| + const __m128i hi_29_3 = _mm_unpackhi_epi16(in[29], in[3]); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_1_31, hi_1_31, lo_17_15, hi_17_15, stg1_0, \
|
| + stg1_1, stg1_2, stg1_3, stp1_16, stp1_31, \
|
| + stp1_17, stp1_30) \
|
| + MULTIPLICATION_AND_ADD(lo_9_23, hi_9_23, lo_25_7, hi_25_7, stg1_4, \
|
| + stg1_5, stg1_6, stg1_7, stp1_18, stp1_29, \
|
| + stp1_19, stp1_28) \
|
| + MULTIPLICATION_AND_ADD(lo_5_27, hi_5_27, lo_21_11, hi_21_11, stg1_8, \
|
| + stg1_9, stg1_10, stg1_11, stp1_20, stp1_27, \
|
| + stp1_21, stp1_26) \
|
| + MULTIPLICATION_AND_ADD(lo_13_19, hi_13_19, lo_29_3, hi_29_3, stg1_12, \
|
| + stg1_13, stg1_14, stg1_15, stp1_22, stp1_25, \
|
| + stp1_23, stp1_24) \
|
| +} \
|
| +\
|
| +/* Stage2 */ \
|
| +{ \
|
| + const __m128i lo_2_30 = _mm_unpacklo_epi16(in[2], in[30]); \
|
| + const __m128i hi_2_30 = _mm_unpackhi_epi16(in[2], in[30]); \
|
| + const __m128i lo_18_14 = _mm_unpacklo_epi16(in[18], in[14]); \
|
| + const __m128i hi_18_14 = _mm_unpackhi_epi16(in[18], in[14]); \
|
| + \
|
| + const __m128i lo_10_22 = _mm_unpacklo_epi16(in[10], in[22]); \
|
| + const __m128i hi_10_22 = _mm_unpackhi_epi16(in[10], in[22]); \
|
| + const __m128i lo_26_6 = _mm_unpacklo_epi16(in[26], in[6]); \
|
| + const __m128i hi_26_6 = _mm_unpackhi_epi16(in[26], in[6]); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_2_30, hi_2_30, lo_18_14, hi_18_14, stg2_0, \
|
| + stg2_1, stg2_2, stg2_3, stp2_8, stp2_15, stp2_9, \
|
| + stp2_14) \
|
| + MULTIPLICATION_AND_ADD(lo_10_22, hi_10_22, lo_26_6, hi_26_6, stg2_4, \
|
| + stg2_5, stg2_6, stg2_7, stp2_10, stp2_13, \
|
| + stp2_11, stp2_12) \
|
| + \
|
| + stp2_16 = _mm_add_epi16(stp1_16, stp1_17); \
|
| + stp2_17 = _mm_sub_epi16(stp1_16, stp1_17); \
|
| + stp2_18 = _mm_sub_epi16(stp1_19, stp1_18); \
|
| + stp2_19 = _mm_add_epi16(stp1_19, stp1_18); \
|
| + \
|
| + stp2_20 = _mm_add_epi16(stp1_20, stp1_21); \
|
| + stp2_21 = _mm_sub_epi16(stp1_20, stp1_21); \
|
| + stp2_22 = _mm_sub_epi16(stp1_23, stp1_22); \
|
| + stp2_23 = _mm_add_epi16(stp1_23, stp1_22); \
|
| + \
|
| + stp2_24 = _mm_add_epi16(stp1_24, stp1_25); \
|
| + stp2_25 = _mm_sub_epi16(stp1_24, stp1_25); \
|
| + stp2_26 = _mm_sub_epi16(stp1_27, stp1_26); \
|
| + stp2_27 = _mm_add_epi16(stp1_27, stp1_26); \
|
| + \
|
| + stp2_28 = _mm_add_epi16(stp1_28, stp1_29); \
|
| + stp2_29 = _mm_sub_epi16(stp1_28, stp1_29); \
|
| + stp2_30 = _mm_sub_epi16(stp1_31, stp1_30); \
|
| + stp2_31 = _mm_add_epi16(stp1_31, stp1_30); \
|
| +} \
|
| +\
|
| +/* Stage3 */ \
|
| +{ \
|
| + const __m128i lo_4_28 = _mm_unpacklo_epi16(in[4], in[28]); \
|
| + const __m128i hi_4_28 = _mm_unpackhi_epi16(in[4], in[28]); \
|
| + const __m128i lo_20_12 = _mm_unpacklo_epi16(in[20], in[12]); \
|
| + const __m128i hi_20_12 = _mm_unpackhi_epi16(in[20], in[12]); \
|
| + \
|
| + const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30); \
|
| + const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30); \
|
| + const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
|
| + const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
|
| + \
|
| + const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
|
| + const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
|
| + const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
|
| + const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_4_28, hi_4_28, lo_20_12, hi_20_12, stg3_0, \
|
| + stg3_1, stg3_2, stg3_3, stp1_4, stp1_7, stp1_5, \
|
| + stp1_6) \
|
| + \
|
| + stp1_8 = _mm_add_epi16(stp2_8, stp2_9); \
|
| + stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
|
| + stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
|
| + stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
|
| + stp1_12 = _mm_add_epi16(stp2_12, stp2_13); \
|
| + stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
|
| + stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
|
| + stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \
|
| + stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \
|
| + stp1_18, stp1_29) \
|
| + MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \
|
| + stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \
|
| + stp1_22, stp1_25) \
|
| + \
|
| + stp1_16 = stp2_16; \
|
| + stp1_31 = stp2_31; \
|
| + stp1_19 = stp2_19; \
|
| + stp1_20 = stp2_20; \
|
| + stp1_23 = stp2_23; \
|
| + stp1_24 = stp2_24; \
|
| + stp1_27 = stp2_27; \
|
| + stp1_28 = stp2_28; \
|
| +} \
|
| +\
|
| +/* Stage4 */ \
|
| +{ \
|
| + const __m128i lo_0_16 = _mm_unpacklo_epi16(in[0], in[16]); \
|
| + const __m128i hi_0_16 = _mm_unpackhi_epi16(in[0], in[16]); \
|
| + const __m128i lo_8_24 = _mm_unpacklo_epi16(in[8], in[24]); \
|
| + const __m128i hi_8_24 = _mm_unpackhi_epi16(in[8], in[24]); \
|
| + \
|
| + const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
|
| + const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
|
| + const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_0_16, hi_0_16, lo_8_24, hi_8_24, stg4_0, \
|
| + stg4_1, stg4_2, stg4_3, stp2_0, stp2_1, \
|
| + stp2_2, stp2_3) \
|
| + \
|
| + stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
|
| + stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
|
| + stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
|
| + stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \
|
| + stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \
|
| + stp2_10, stp2_13) \
|
| + \
|
| + stp2_8 = stp1_8; \
|
| + stp2_15 = stp1_15; \
|
| + stp2_11 = stp1_11; \
|
| + stp2_12 = stp1_12; \
|
| + \
|
| + stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \
|
| + stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \
|
| + stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \
|
| + stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \
|
| + stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \
|
| + stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \
|
| + stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \
|
| + stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \
|
| + \
|
| + stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \
|
| + stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \
|
| + stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \
|
| + stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \
|
| + stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \
|
| + stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \
|
| + stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \
|
| + stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \
|
| +} \
|
| +\
|
| +/* Stage5 */ \
|
| +{ \
|
| + const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
|
| + const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
|
| + const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
|
| + const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
|
| + \
|
| + const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \
|
| + const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \
|
| + const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
|
| + const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
|
| + \
|
| + const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
|
| + const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
|
| + \
|
| + stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
|
| + stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
|
| + stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
|
| + stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
|
| + \
|
| + tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
|
| + tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
|
| + tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
|
| + tmp3 = _mm_madd_epi16(hi_6_5, stg4_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); \
|
| + \
|
| + stp1_4 = stp2_4; \
|
| + stp1_7 = stp2_7; \
|
| + \
|
| + stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \
|
| + stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
|
| + stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
|
| + stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \
|
| + stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \
|
| + stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
|
| + stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
|
| + stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \
|
| + \
|
| + stp1_16 = stp2_16; \
|
| + stp1_17 = stp2_17; \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \
|
| + stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \
|
| + stp1_19, stp1_28) \
|
| + MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \
|
| + stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \
|
| + stp1_21, stp1_26) \
|
| + \
|
| + stp1_22 = stp2_22; \
|
| + stp1_23 = stp2_23; \
|
| + stp1_24 = stp2_24; \
|
| + stp1_25 = stp2_25; \
|
| + stp1_30 = stp2_30; \
|
| + stp1_31 = stp2_31; \
|
| +} \
|
| +\
|
| +/* Stage6 */ \
|
| +{ \
|
| + const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
|
| + const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
|
| + const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
|
| + const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
|
| + \
|
| + stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \
|
| + stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
|
| + stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
|
| + stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \
|
| + stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \
|
| + stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
|
| + stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
|
| + stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \
|
| + \
|
| + stp2_8 = stp1_8; \
|
| + stp2_9 = stp1_9; \
|
| + stp2_14 = stp1_14; \
|
| + stp2_15 = stp1_15; \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
|
| + stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \
|
| + stp2_13, stp2_11, stp2_12) \
|
| + \
|
| + stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \
|
| + stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \
|
| + stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \
|
| + stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \
|
| + stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \
|
| + stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \
|
| + stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \
|
| + stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \
|
| + \
|
| + stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \
|
| + stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \
|
| + stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \
|
| + stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \
|
| + stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \
|
| + stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \
|
| + stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \
|
| + stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \
|
| +} \
|
| +\
|
| +/* Stage7 */ \
|
| +{ \
|
| + const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
|
| + const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
|
| + const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
|
| + const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
|
| + \
|
| + const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
|
| + const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
|
| + const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \
|
| + const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \
|
| + \
|
| + stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \
|
| + stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \
|
| + stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \
|
| + stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \
|
| + stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \
|
| + stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \
|
| + stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \
|
| + stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \
|
| + stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \
|
| + stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \
|
| + stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \
|
| + stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \
|
| + stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \
|
| + stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \
|
| + stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \
|
| + stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \
|
| + \
|
| + stp1_16 = stp2_16; \
|
| + stp1_17 = stp2_17; \
|
| + stp1_18 = stp2_18; \
|
| + stp1_19 = stp2_19; \
|
| + \
|
| + MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \
|
| + stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \
|
| + stp1_21, stp1_26) \
|
| + MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \
|
| + stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \
|
| + stp1_23, stp1_24) \
|
| + \
|
| + stp1_28 = stp2_28; \
|
| + stp1_29 = stp2_29; \
|
| + stp1_30 = stp2_30; \
|
| + stp1_31 = stp2_31; \
|
| +}
|
| +
|
| +// Only upper-left 8x8 has non-zero coeff
|
| +void vp9_idct32x32_34_add_sse2(const int16_t *input, uint8_t *dest,
|
| + int stride) {
|
| + const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + const __m128i final_rounding = _mm_set1_epi16(1<<5);
|
| +
|
| + // idct constants for each stage
|
| + const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
|
| + const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
|
| + const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64);
|
| + const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64);
|
| + const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64);
|
| + const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64);
|
| + const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
|
| + const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
|
| + const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
|
| + const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
|
| + const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64);
|
| + const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64);
|
| + const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64);
|
| + const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64);
|
| + const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
|
| + const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
|
| +
|
| + const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
|
| + const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
|
| + const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
|
| + const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
|
| + const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
|
| + const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
|
| + const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
|
| + const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
|
| +
|
| + const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
|
| + const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
|
| + const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
|
| + const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
|
| + const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
|
| + const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
|
| + const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
|
| + const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
|
| + const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
|
| + const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
|
| +
|
| + const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
|
| + const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
|
| + const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
|
| + const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
|
| + const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
|
| + const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
|
| + const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
|
| +
|
| + const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
|
| +
|
| + __m128i in[32], col[32];
|
| + __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
|
| + stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
|
| + stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
|
| + stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
|
| + stp1_30, stp1_31;
|
| + __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
|
| + stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
|
| + stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
|
| + stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
|
| + stp2_30, stp2_31;
|
| + __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
|
| + int i;
|
| + // Load input data.
|
| + LOAD_DQCOEFF(in[0], input);
|
| + LOAD_DQCOEFF(in[8], input);
|
| + LOAD_DQCOEFF(in[16], input);
|
| + LOAD_DQCOEFF(in[24], input);
|
| + LOAD_DQCOEFF(in[1], input);
|
| + LOAD_DQCOEFF(in[9], input);
|
| + LOAD_DQCOEFF(in[17], input);
|
| + LOAD_DQCOEFF(in[25], input);
|
| + LOAD_DQCOEFF(in[2], input);
|
| + LOAD_DQCOEFF(in[10], input);
|
| + LOAD_DQCOEFF(in[18], input);
|
| + LOAD_DQCOEFF(in[26], input);
|
| + LOAD_DQCOEFF(in[3], input);
|
| + LOAD_DQCOEFF(in[11], input);
|
| + LOAD_DQCOEFF(in[19], input);
|
| + LOAD_DQCOEFF(in[27], input);
|
| +
|
| + LOAD_DQCOEFF(in[4], input);
|
| + LOAD_DQCOEFF(in[12], input);
|
| + LOAD_DQCOEFF(in[20], input);
|
| + LOAD_DQCOEFF(in[28], input);
|
| + LOAD_DQCOEFF(in[5], input);
|
| + LOAD_DQCOEFF(in[13], input);
|
| + LOAD_DQCOEFF(in[21], input);
|
| + LOAD_DQCOEFF(in[29], input);
|
| + LOAD_DQCOEFF(in[6], input);
|
| + LOAD_DQCOEFF(in[14], input);
|
| + LOAD_DQCOEFF(in[22], input);
|
| + LOAD_DQCOEFF(in[30], input);
|
| + LOAD_DQCOEFF(in[7], input);
|
| + LOAD_DQCOEFF(in[15], input);
|
| + LOAD_DQCOEFF(in[23], input);
|
| + LOAD_DQCOEFF(in[31], input);
|
| +
|
| + array_transpose_8x8(in, in);
|
| + array_transpose_8x8(in + 8, in + 8);
|
| + array_transpose_8x8(in + 16, in + 16);
|
| + array_transpose_8x8(in + 24, in + 24);
|
| +
|
| + IDCT32
|
| +
|
| + // 1_D: Store 32 intermediate results for each 8x32 block.
|
| + col[0] = _mm_add_epi16(stp1_0, stp1_31);
|
| + col[1] = _mm_add_epi16(stp1_1, stp1_30);
|
| + col[2] = _mm_add_epi16(stp1_2, stp1_29);
|
| + col[3] = _mm_add_epi16(stp1_3, stp1_28);
|
| + col[4] = _mm_add_epi16(stp1_4, stp1_27);
|
| + col[5] = _mm_add_epi16(stp1_5, stp1_26);
|
| + col[6] = _mm_add_epi16(stp1_6, stp1_25);
|
| + col[7] = _mm_add_epi16(stp1_7, stp1_24);
|
| + col[8] = _mm_add_epi16(stp1_8, stp1_23);
|
| + col[9] = _mm_add_epi16(stp1_9, stp1_22);
|
| + col[10] = _mm_add_epi16(stp1_10, stp1_21);
|
| + col[11] = _mm_add_epi16(stp1_11, stp1_20);
|
| + col[12] = _mm_add_epi16(stp1_12, stp1_19);
|
| + col[13] = _mm_add_epi16(stp1_13, stp1_18);
|
| + col[14] = _mm_add_epi16(stp1_14, stp1_17);
|
| + col[15] = _mm_add_epi16(stp1_15, stp1_16);
|
| + col[16] = _mm_sub_epi16(stp1_15, stp1_16);
|
| + col[17] = _mm_sub_epi16(stp1_14, stp1_17);
|
| + col[18] = _mm_sub_epi16(stp1_13, stp1_18);
|
| + col[19] = _mm_sub_epi16(stp1_12, stp1_19);
|
| + col[20] = _mm_sub_epi16(stp1_11, stp1_20);
|
| + col[21] = _mm_sub_epi16(stp1_10, stp1_21);
|
| + col[22] = _mm_sub_epi16(stp1_9, stp1_22);
|
| + col[23] = _mm_sub_epi16(stp1_8, stp1_23);
|
| + col[24] = _mm_sub_epi16(stp1_7, stp1_24);
|
| + col[25] = _mm_sub_epi16(stp1_6, stp1_25);
|
| + col[26] = _mm_sub_epi16(stp1_5, stp1_26);
|
| + col[27] = _mm_sub_epi16(stp1_4, stp1_27);
|
| + col[28] = _mm_sub_epi16(stp1_3, stp1_28);
|
| + col[29] = _mm_sub_epi16(stp1_2, stp1_29);
|
| + col[30] = _mm_sub_epi16(stp1_1, stp1_30);
|
| + col[31] = _mm_sub_epi16(stp1_0, stp1_31);
|
| + for (i = 0; i < 4; i++) {
|
| + int j;
|
| + const __m128i zero = _mm_setzero_si128();
|
| + // Transpose 32x8 block to 8x32 block
|
| + array_transpose_8x8(col + i * 8, in);
|
| + IDCT32_34
|
| +
|
| + // 2_D: Calculate the results and store them to destination.
|
| + in[0] = _mm_add_epi16(stp1_0, stp1_31);
|
| + in[1] = _mm_add_epi16(stp1_1, stp1_30);
|
| + in[2] = _mm_add_epi16(stp1_2, stp1_29);
|
| + in[3] = _mm_add_epi16(stp1_3, stp1_28);
|
| + in[4] = _mm_add_epi16(stp1_4, stp1_27);
|
| + in[5] = _mm_add_epi16(stp1_5, stp1_26);
|
| + in[6] = _mm_add_epi16(stp1_6, stp1_25);
|
| + in[7] = _mm_add_epi16(stp1_7, stp1_24);
|
| + in[8] = _mm_add_epi16(stp1_8, stp1_23);
|
| + in[9] = _mm_add_epi16(stp1_9, stp1_22);
|
| + in[10] = _mm_add_epi16(stp1_10, stp1_21);
|
| + in[11] = _mm_add_epi16(stp1_11, stp1_20);
|
| + in[12] = _mm_add_epi16(stp1_12, stp1_19);
|
| + in[13] = _mm_add_epi16(stp1_13, stp1_18);
|
| + in[14] = _mm_add_epi16(stp1_14, stp1_17);
|
| + in[15] = _mm_add_epi16(stp1_15, stp1_16);
|
| + in[16] = _mm_sub_epi16(stp1_15, stp1_16);
|
| + in[17] = _mm_sub_epi16(stp1_14, stp1_17);
|
| + in[18] = _mm_sub_epi16(stp1_13, stp1_18);
|
| + in[19] = _mm_sub_epi16(stp1_12, stp1_19);
|
| + in[20] = _mm_sub_epi16(stp1_11, stp1_20);
|
| + in[21] = _mm_sub_epi16(stp1_10, stp1_21);
|
| + in[22] = _mm_sub_epi16(stp1_9, stp1_22);
|
| + in[23] = _mm_sub_epi16(stp1_8, stp1_23);
|
| + in[24] = _mm_sub_epi16(stp1_7, stp1_24);
|
| + in[25] = _mm_sub_epi16(stp1_6, stp1_25);
|
| + in[26] = _mm_sub_epi16(stp1_5, stp1_26);
|
| + in[27] = _mm_sub_epi16(stp1_4, stp1_27);
|
| + in[28] = _mm_sub_epi16(stp1_3, stp1_28);
|
| + in[29] = _mm_sub_epi16(stp1_2, stp1_29);
|
| + in[30] = _mm_sub_epi16(stp1_1, stp1_30);
|
| + in[31] = _mm_sub_epi16(stp1_0, stp1_31);
|
| +
|
| + for (j = 0; j < 32; ++j) {
|
| + // Final rounding and shift
|
| + in[j] = _mm_adds_epi16(in[j], final_rounding);
|
| + in[j] = _mm_srai_epi16(in[j], 6);
|
| + RECON_AND_STORE(dest + j * stride, in[j]);
|
| + }
|
| +
|
| + dest += 8;
|
| + }
|
| +}
|
| +
|
| +void vp9_idct32x32_1024_add_sse2(const int16_t *input, uint8_t *dest,
|
| + int stride) {
|
| + const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
|
| + const __m128i final_rounding = _mm_set1_epi16(1 << 5);
|
| + const __m128i zero = _mm_setzero_si128();
|
| +
|
| + // idct constants for each stage
|
| + const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
|
| + const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
|
| + const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64);
|
| + const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64);
|
| + const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64);
|
| + const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64);
|
| + const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
|
| + const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
|
| + const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
|
| + const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
|
| + const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64);
|
| + const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64);
|
| + const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64);
|
| + const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64);
|
| + const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
|
| + const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
|
| +
|
| + const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
|
| + const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
|
| + const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
|
| + const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
|
| + const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
|
| + const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
|
| + const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
|
| + const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
|
| +
|
| + const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
|
| + const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
|
| + const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
|
| + const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
|
| + const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
|
| + const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
|
| + const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
|
| + const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
|
| + const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
|
| + const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
|
| +
|
| + const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
|
| + const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
|
| + const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
|
| + const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
|
| + const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
|
| + const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
|
| + const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
|
| +
|
| + const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
|
| +
|
| + __m128i in[32], col[128], zero_idx[16];
|
| + __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
|
| + stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
|
| + stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
|
| + stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
|
| + stp1_30, stp1_31;
|
| + __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
|
| + stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
|
| + stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
|
| + stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
|
| + stp2_30, stp2_31;
|
| + __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
|
| + int i, j, i32;
|
| +
|
| + for (i = 0; i < 4; i++) {
|
| + i32 = (i << 5);
|
| + // First 1-D idct
|
| + // Load input data.
|
| + LOAD_DQCOEFF(in[0], input);
|
| + LOAD_DQCOEFF(in[8], input);
|
| + LOAD_DQCOEFF(in[16], input);
|
| + LOAD_DQCOEFF(in[24], input);
|
| + LOAD_DQCOEFF(in[1], input);
|
| + LOAD_DQCOEFF(in[9], input);
|
| + LOAD_DQCOEFF(in[17], input);
|
| + LOAD_DQCOEFF(in[25], input);
|
| + LOAD_DQCOEFF(in[2], input);
|
| + LOAD_DQCOEFF(in[10], input);
|
| + LOAD_DQCOEFF(in[18], input);
|
| + LOAD_DQCOEFF(in[26], input);
|
| + LOAD_DQCOEFF(in[3], input);
|
| + LOAD_DQCOEFF(in[11], input);
|
| + LOAD_DQCOEFF(in[19], input);
|
| + LOAD_DQCOEFF(in[27], input);
|
| +
|
| + LOAD_DQCOEFF(in[4], input);
|
| + LOAD_DQCOEFF(in[12], input);
|
| + LOAD_DQCOEFF(in[20], input);
|
| + LOAD_DQCOEFF(in[28], input);
|
| + LOAD_DQCOEFF(in[5], input);
|
| + LOAD_DQCOEFF(in[13], input);
|
| + LOAD_DQCOEFF(in[21], input);
|
| + LOAD_DQCOEFF(in[29], input);
|
| + LOAD_DQCOEFF(in[6], input);
|
| + LOAD_DQCOEFF(in[14], input);
|
| + LOAD_DQCOEFF(in[22], input);
|
| + LOAD_DQCOEFF(in[30], input);
|
| + LOAD_DQCOEFF(in[7], input);
|
| + LOAD_DQCOEFF(in[15], input);
|
| + LOAD_DQCOEFF(in[23], input);
|
| + LOAD_DQCOEFF(in[31], input);
|
| +
|
| + // checking if all entries are zero
|
| + zero_idx[0] = _mm_or_si128(in[0], in[1]);
|
| + zero_idx[1] = _mm_or_si128(in[2], in[3]);
|
| + zero_idx[2] = _mm_or_si128(in[4], in[5]);
|
| + zero_idx[3] = _mm_or_si128(in[6], in[7]);
|
| + zero_idx[4] = _mm_or_si128(in[8], in[9]);
|
| + zero_idx[5] = _mm_or_si128(in[10], in[11]);
|
| + zero_idx[6] = _mm_or_si128(in[12], in[13]);
|
| + zero_idx[7] = _mm_or_si128(in[14], in[15]);
|
| + zero_idx[8] = _mm_or_si128(in[16], in[17]);
|
| + zero_idx[9] = _mm_or_si128(in[18], in[19]);
|
| + zero_idx[10] = _mm_or_si128(in[20], in[21]);
|
| + zero_idx[11] = _mm_or_si128(in[22], in[23]);
|
| + zero_idx[12] = _mm_or_si128(in[24], in[25]);
|
| + zero_idx[13] = _mm_or_si128(in[26], in[27]);
|
| + zero_idx[14] = _mm_or_si128(in[28], in[29]);
|
| + zero_idx[15] = _mm_or_si128(in[30], in[31]);
|
| +
|
| + zero_idx[0] = _mm_or_si128(zero_idx[0], zero_idx[1]);
|
| + zero_idx[1] = _mm_or_si128(zero_idx[2], zero_idx[3]);
|
| + zero_idx[2] = _mm_or_si128(zero_idx[4], zero_idx[5]);
|
| + zero_idx[3] = _mm_or_si128(zero_idx[6], zero_idx[7]);
|
| + zero_idx[4] = _mm_or_si128(zero_idx[8], zero_idx[9]);
|
| + zero_idx[5] = _mm_or_si128(zero_idx[10], zero_idx[11]);
|
| + zero_idx[6] = _mm_or_si128(zero_idx[12], zero_idx[13]);
|
| + zero_idx[7] = _mm_or_si128(zero_idx[14], zero_idx[15]);
|
| +
|
| + zero_idx[8] = _mm_or_si128(zero_idx[0], zero_idx[1]);
|
| + zero_idx[9] = _mm_or_si128(zero_idx[2], zero_idx[3]);
|
| + zero_idx[10] = _mm_or_si128(zero_idx[4], zero_idx[5]);
|
| + zero_idx[11] = _mm_or_si128(zero_idx[6], zero_idx[7]);
|
| + zero_idx[12] = _mm_or_si128(zero_idx[8], zero_idx[9]);
|
| + zero_idx[13] = _mm_or_si128(zero_idx[10], zero_idx[11]);
|
| + zero_idx[14] = _mm_or_si128(zero_idx[12], zero_idx[13]);
|
| +
|
| + if (_mm_movemask_epi8(_mm_cmpeq_epi32(zero_idx[14], zero)) == 0xFFFF) {
|
| + col[i32 + 0] = _mm_setzero_si128();
|
| + col[i32 + 1] = _mm_setzero_si128();
|
| + col[i32 + 2] = _mm_setzero_si128();
|
| + col[i32 + 3] = _mm_setzero_si128();
|
| + col[i32 + 4] = _mm_setzero_si128();
|
| + col[i32 + 5] = _mm_setzero_si128();
|
| + col[i32 + 6] = _mm_setzero_si128();
|
| + col[i32 + 7] = _mm_setzero_si128();
|
| + col[i32 + 8] = _mm_setzero_si128();
|
| + col[i32 + 9] = _mm_setzero_si128();
|
| + col[i32 + 10] = _mm_setzero_si128();
|
| + col[i32 + 11] = _mm_setzero_si128();
|
| + col[i32 + 12] = _mm_setzero_si128();
|
| + col[i32 + 13] = _mm_setzero_si128();
|
| + col[i32 + 14] = _mm_setzero_si128();
|
| + col[i32 + 15] = _mm_setzero_si128();
|
| + col[i32 + 16] = _mm_setzero_si128();
|
| + col[i32 + 17] = _mm_setzero_si128();
|
| + col[i32 + 18] = _mm_setzero_si128();
|
| + col[i32 + 19] = _mm_setzero_si128();
|
| + col[i32 + 20] = _mm_setzero_si128();
|
| + col[i32 + 21] = _mm_setzero_si128();
|
| + col[i32 + 22] = _mm_setzero_si128();
|
| + col[i32 + 23] = _mm_setzero_si128();
|
| + col[i32 + 24] = _mm_setzero_si128();
|
| + col[i32 + 25] = _mm_setzero_si128();
|
| + col[i32 + 26] = _mm_setzero_si128();
|
| + col[i32 + 27] = _mm_setzero_si128();
|
| + col[i32 + 28] = _mm_setzero_si128();
|
| + col[i32 + 29] = _mm_setzero_si128();
|
| + col[i32 + 30] = _mm_setzero_si128();
|
| + col[i32 + 31] = _mm_setzero_si128();
|
| + continue;
|
| + }
|
| +
|
| + // Transpose 32x8 block to 8x32 block
|
| + array_transpose_8x8(in, in);
|
| + array_transpose_8x8(in + 8, in + 8);
|
| + array_transpose_8x8(in + 16, in + 16);
|
| + array_transpose_8x8(in + 24, in + 24);
|
| +
|
| + IDCT32
|
| +
|
| + // 1_D: Store 32 intermediate results for each 8x32 block.
|
| + col[i32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
|
| + col[i32 + 1] = _mm_add_epi16(stp1_1, stp1_30);
|
| + col[i32 + 2] = _mm_add_epi16(stp1_2, stp1_29);
|
| + col[i32 + 3] = _mm_add_epi16(stp1_3, stp1_28);
|
| + col[i32 + 4] = _mm_add_epi16(stp1_4, stp1_27);
|
| + col[i32 + 5] = _mm_add_epi16(stp1_5, stp1_26);
|
| + col[i32 + 6] = _mm_add_epi16(stp1_6, stp1_25);
|
| + col[i32 + 7] = _mm_add_epi16(stp1_7, stp1_24);
|
| + col[i32 + 8] = _mm_add_epi16(stp1_8, stp1_23);
|
| + col[i32 + 9] = _mm_add_epi16(stp1_9, stp1_22);
|
| + col[i32 + 10] = _mm_add_epi16(stp1_10, stp1_21);
|
| + col[i32 + 11] = _mm_add_epi16(stp1_11, stp1_20);
|
| + col[i32 + 12] = _mm_add_epi16(stp1_12, stp1_19);
|
| + col[i32 + 13] = _mm_add_epi16(stp1_13, stp1_18);
|
| + col[i32 + 14] = _mm_add_epi16(stp1_14, stp1_17);
|
| + col[i32 + 15] = _mm_add_epi16(stp1_15, stp1_16);
|
| + col[i32 + 16] = _mm_sub_epi16(stp1_15, stp1_16);
|
| + col[i32 + 17] = _mm_sub_epi16(stp1_14, stp1_17);
|
| + col[i32 + 18] = _mm_sub_epi16(stp1_13, stp1_18);
|
| + col[i32 + 19] = _mm_sub_epi16(stp1_12, stp1_19);
|
| + col[i32 + 20] = _mm_sub_epi16(stp1_11, stp1_20);
|
| + col[i32 + 21] = _mm_sub_epi16(stp1_10, stp1_21);
|
| + col[i32 + 22] = _mm_sub_epi16(stp1_9, stp1_22);
|
| + col[i32 + 23] = _mm_sub_epi16(stp1_8, stp1_23);
|
| + col[i32 + 24] = _mm_sub_epi16(stp1_7, stp1_24);
|
| + col[i32 + 25] = _mm_sub_epi16(stp1_6, stp1_25);
|
| + col[i32 + 26] = _mm_sub_epi16(stp1_5, stp1_26);
|
| + col[i32 + 27] = _mm_sub_epi16(stp1_4, stp1_27);
|
| + col[i32 + 28] = _mm_sub_epi16(stp1_3, stp1_28);
|
| + col[i32 + 29] = _mm_sub_epi16(stp1_2, stp1_29);
|
| + col[i32 + 30] = _mm_sub_epi16(stp1_1, stp1_30);
|
| + col[i32 + 31] = _mm_sub_epi16(stp1_0, stp1_31);
|
| + }
|
| + for (i = 0; i < 4; i++) {
|
| + // Second 1-D idct
|
| + j = i << 3;
|
| +
|
| + // Transpose 32x8 block to 8x32 block
|
| + array_transpose_8x8(col + j, in);
|
| + array_transpose_8x8(col + j + 32, in + 8);
|
| + array_transpose_8x8(col + j + 64, in + 16);
|
| + array_transpose_8x8(col + j + 96, in + 24);
|
| +
|
| + IDCT32
|
| +
|
| + // 2_D: Calculate the results and store them to destination.
|
| + in[0] = _mm_add_epi16(stp1_0, stp1_31);
|
| + in[1] = _mm_add_epi16(stp1_1, stp1_30);
|
| + in[2] = _mm_add_epi16(stp1_2, stp1_29);
|
| + in[3] = _mm_add_epi16(stp1_3, stp1_28);
|
| + in[4] = _mm_add_epi16(stp1_4, stp1_27);
|
| + in[5] = _mm_add_epi16(stp1_5, stp1_26);
|
| + in[6] = _mm_add_epi16(stp1_6, stp1_25);
|
| + in[7] = _mm_add_epi16(stp1_7, stp1_24);
|
| + in[8] = _mm_add_epi16(stp1_8, stp1_23);
|
| + in[9] = _mm_add_epi16(stp1_9, stp1_22);
|
| + in[10] = _mm_add_epi16(stp1_10, stp1_21);
|
| + in[11] = _mm_add_epi16(stp1_11, stp1_20);
|
| + in[12] = _mm_add_epi16(stp1_12, stp1_19);
|
| + in[13] = _mm_add_epi16(stp1_13, stp1_18);
|
| + in[14] = _mm_add_epi16(stp1_14, stp1_17);
|
| + in[15] = _mm_add_epi16(stp1_15, stp1_16);
|
| + in[16] = _mm_sub_epi16(stp1_15, stp1_16);
|
| + in[17] = _mm_sub_epi16(stp1_14, stp1_17);
|
| + in[18] = _mm_sub_epi16(stp1_13, stp1_18);
|
| + in[19] = _mm_sub_epi16(stp1_12, stp1_19);
|
| + in[20] = _mm_sub_epi16(stp1_11, stp1_20);
|
| + in[21] = _mm_sub_epi16(stp1_10, stp1_21);
|
| + in[22] = _mm_sub_epi16(stp1_9, stp1_22);
|
| + in[23] = _mm_sub_epi16(stp1_8, stp1_23);
|
| + in[24] = _mm_sub_epi16(stp1_7, stp1_24);
|
| + in[25] = _mm_sub_epi16(stp1_6, stp1_25);
|
| + in[26] = _mm_sub_epi16(stp1_5, stp1_26);
|
| + in[27] = _mm_sub_epi16(stp1_4, stp1_27);
|
| + in[28] = _mm_sub_epi16(stp1_3, stp1_28);
|
| + in[29] = _mm_sub_epi16(stp1_2, stp1_29);
|
| + in[30] = _mm_sub_epi16(stp1_1, stp1_30);
|
| + in[31] = _mm_sub_epi16(stp1_0, stp1_31);
|
| +
|
| + for (j = 0; j < 32; ++j) {
|
| + // Final rounding and shift
|
| + in[j] = _mm_adds_epi16(in[j], final_rounding);
|
| + in[j] = _mm_srai_epi16(in[j], 6);
|
| + RECON_AND_STORE(dest + j * stride, in[j]);
|
| + }
|
| +
|
| + dest += 8;
|
| + }
|
| +}
|
| +
|
| +void vp9_idct32x32_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
|
| + __m128i dc_value;
|
| + const __m128i zero = _mm_setzero_si128();
|
| + int a, i;
|
| +
|
| + a = dct_const_round_shift(input[0] * cospi_16_64);
|
| + a = dct_const_round_shift(a * cospi_16_64);
|
| + a = ROUND_POWER_OF_TWO(a, 6);
|
| +
|
| + dc_value = _mm_set1_epi16(a);
|
| +
|
| + for (i = 0; i < 4; ++i) {
|
| + int j;
|
| + for (j = 0; j < 32; ++j) {
|
| + RECON_AND_STORE(dest + j * stride, dc_value);
|
| + }
|
| + dest += 8;
|
| + }
|
| +}
|
| +
|
| +#if CONFIG_VP9_HIGHBITDEPTH
|
| +static INLINE __m128i clamp_high_sse2(__m128i value, int bd) {
|
| + __m128i ubounded, retval;
|
| + const __m128i zero = _mm_set1_epi16(0);
|
| + const __m128i one = _mm_set1_epi16(1);
|
| + const __m128i max = _mm_subs_epi16(_mm_slli_epi16(one, bd), one);
|
| + ubounded = _mm_cmpgt_epi16(value, max);
|
| + retval = _mm_andnot_si128(ubounded, value);
|
| + ubounded = _mm_and_si128(ubounded, max);
|
| + retval = _mm_or_si128(retval, ubounded);
|
| + retval = _mm_and_si128(retval, _mm_cmpgt_epi16(retval, zero));
|
| + return retval;
|
| +}
|
| +
|
| +void vp9_highbd_idct4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest8,
|
| + int stride, int bd) {
|
| + tran_low_t out[4 * 4];
|
| + tran_low_t *outptr = out;
|
| + int i, j;
|
| + __m128i inptr[4];
|
| + __m128i sign_bits[2];
|
| + __m128i temp_mm, min_input, max_input;
|
| + int test;
|
| + uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
|
| + int optimised_cols = 0;
|
| + const __m128i zero = _mm_set1_epi16(0);
|
| + const __m128i eight = _mm_set1_epi16(8);
|
| + const __m128i max = _mm_set1_epi16(12043);
|
| + const __m128i min = _mm_set1_epi16(-12043);
|
| + // Load input into __m128i
|
| + inptr[0] = _mm_loadu_si128((const __m128i *)input);
|
| + inptr[1] = _mm_loadu_si128((const __m128i *)(input + 4));
|
| + inptr[2] = _mm_loadu_si128((const __m128i *)(input + 8));
|
| + inptr[3] = _mm_loadu_si128((const __m128i *)(input + 12));
|
| +
|
| + // Pack to 16 bits
|
| + inptr[0] = _mm_packs_epi32(inptr[0], inptr[1]);
|
| + inptr[1] = _mm_packs_epi32(inptr[2], inptr[3]);
|
| +
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp_mm = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp_mm);
|
| +
|
| + if (!test) {
|
| + // Do the row transform
|
| + idct4_sse2(inptr);
|
| +
|
| + // Check the min & max values
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp_mm = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp_mm);
|
| +
|
| + if (test) {
|
| + transpose_4x4(inptr);
|
| + sign_bits[0] = _mm_cmplt_epi16(inptr[0], zero);
|
| + sign_bits[1] = _mm_cmplt_epi16(inptr[1], zero);
|
| + inptr[3] = _mm_unpackhi_epi16(inptr[1], sign_bits[1]);
|
| + inptr[2] = _mm_unpacklo_epi16(inptr[1], sign_bits[1]);
|
| + inptr[1] = _mm_unpackhi_epi16(inptr[0], sign_bits[0]);
|
| + inptr[0] = _mm_unpacklo_epi16(inptr[0], sign_bits[0]);
|
| + _mm_storeu_si128((__m128i *)outptr, inptr[0]);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4), inptr[1]);
|
| + _mm_storeu_si128((__m128i *)(outptr + 8), inptr[2]);
|
| + _mm_storeu_si128((__m128i *)(outptr + 12), inptr[3]);
|
| + } else {
|
| + // Set to use the optimised transform for the column
|
| + optimised_cols = 1;
|
| + }
|
| + } else {
|
| + // Run the un-optimised row transform
|
| + for (i = 0; i < 4; ++i) {
|
| + vp9_highbd_idct4(input, outptr, bd);
|
| + input += 4;
|
| + outptr += 4;
|
| + }
|
| + }
|
| +
|
| + if (optimised_cols) {
|
| + idct4_sse2(inptr);
|
| +
|
| + // Final round and shift
|
| + inptr[0] = _mm_add_epi16(inptr[0], eight);
|
| + inptr[1] = _mm_add_epi16(inptr[1], eight);
|
| +
|
| + inptr[0] = _mm_srai_epi16(inptr[0], 4);
|
| + inptr[1] = _mm_srai_epi16(inptr[1], 4);
|
| +
|
| + // Reconstruction and Store
|
| + {
|
| + __m128i d0 = _mm_loadl_epi64((const __m128i *)dest);
|
| + __m128i d2 = _mm_loadl_epi64((const __m128i *)(dest + stride * 2));
|
| + d0 = _mm_unpacklo_epi64(
|
| + d0, _mm_loadl_epi64((const __m128i *)(dest + stride)));
|
| + d2 = _mm_unpacklo_epi64(
|
| + d2, _mm_loadl_epi64((const __m128i *)(dest + stride * 3)));
|
| + d0 = clamp_high_sse2(_mm_adds_epi16(d0, inptr[0]), bd);
|
| + d2 = clamp_high_sse2(_mm_adds_epi16(d2, inptr[1]), bd);
|
| + // store input0
|
| + _mm_storel_epi64((__m128i *)dest, d0);
|
| + // store input1
|
| + d0 = _mm_srli_si128(d0, 8);
|
| + _mm_storel_epi64((__m128i *)(dest + stride), d0);
|
| + // store input2
|
| + _mm_storel_epi64((__m128i *)(dest + stride * 2), d2);
|
| + // store input3
|
| + d2 = _mm_srli_si128(d2, 8);
|
| + _mm_storel_epi64((__m128i *)(dest + stride * 3), d2);
|
| + }
|
| + } else {
|
| + // Run the un-optimised column transform
|
| + tran_low_t temp_in[4], temp_out[4];
|
| + // Columns
|
| + for (i = 0; i < 4; ++i) {
|
| + for (j = 0; j < 4; ++j)
|
| + temp_in[j] = out[j * 4 + i];
|
| + vp9_highbd_idct4(temp_in, temp_out, bd);
|
| + for (j = 0; j < 4; ++j) {
|
| + dest[j * stride + i] = highbd_clip_pixel_add(
|
| + dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 4), bd);
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +void vp9_highbd_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest8,
|
| + int stride, int bd) {
|
| + tran_low_t out[8 * 8];
|
| + tran_low_t *outptr = out;
|
| + int i, j, test;
|
| + __m128i inptr[8];
|
| + __m128i min_input, max_input, temp1, temp2, sign_bits;
|
| + uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
|
| + const __m128i zero = _mm_set1_epi16(0);
|
| + const __m128i sixteen = _mm_set1_epi16(16);
|
| + const __m128i max = _mm_set1_epi16(6201);
|
| + const __m128i min = _mm_set1_epi16(-6201);
|
| + int optimised_cols = 0;
|
| +
|
| + // Load input into __m128i & pack to 16 bits
|
| + for (i = 0; i < 8; i++) {
|
| + temp1 = _mm_loadu_si128((const __m128i *)(input + 8 * i));
|
| + temp2 = _mm_loadu_si128((const __m128i *)(input + 8 * i + 4));
|
| + inptr[i] = _mm_packs_epi32(temp1, temp2);
|
| + }
|
| +
|
| + // Find the min & max for the row transform
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + for (i = 2; i < 8; i++) {
|
| + max_input = _mm_max_epi16(max_input, inptr[i]);
|
| + min_input = _mm_min_epi16(min_input, inptr[i]);
|
| + }
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp1 = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp1);
|
| +
|
| + if (!test) {
|
| + // Do the row transform
|
| + idct8_sse2(inptr);
|
| +
|
| + // Find the min & max for the column transform
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + for (i = 2; i < 8; i++) {
|
| + max_input = _mm_max_epi16(max_input, inptr[i]);
|
| + min_input = _mm_min_epi16(min_input, inptr[i]);
|
| + }
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp1 = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp1);
|
| +
|
| + if (test) {
|
| + array_transpose_8x8(inptr, inptr);
|
| + for (i = 0; i < 8; i++) {
|
| + sign_bits = _mm_cmplt_epi16(inptr[i], zero);
|
| + temp1 = _mm_unpackhi_epi16(inptr[i], sign_bits);
|
| + temp2 = _mm_unpacklo_epi16(inptr[i], sign_bits);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i + 1)), temp1);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i)), temp2);
|
| + }
|
| + } else {
|
| + // Set to use the optimised transform for the column
|
| + optimised_cols = 1;
|
| + }
|
| + } else {
|
| + // Run the un-optimised row transform
|
| + for (i = 0; i < 8; ++i) {
|
| + vp9_highbd_idct8(input, outptr, bd);
|
| + input += 8;
|
| + outptr += 8;
|
| + }
|
| + }
|
| +
|
| + if (optimised_cols) {
|
| + idct8_sse2(inptr);
|
| +
|
| + // Final round & shift and Reconstruction and Store
|
| + {
|
| + __m128i d[8];
|
| + for (i = 0; i < 8; i++) {
|
| + inptr[i] = _mm_add_epi16(inptr[i], sixteen);
|
| + d[i] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
|
| + inptr[i] = _mm_srai_epi16(inptr[i], 5);
|
| + d[i] = clamp_high_sse2(_mm_adds_epi16(d[i], inptr[i]), bd);
|
| + // Store
|
| + _mm_storeu_si128((__m128i *)(dest + stride*i), d[i]);
|
| + }
|
| + }
|
| + } else {
|
| + // Run the un-optimised column transform
|
| + tran_low_t temp_in[8], temp_out[8];
|
| + for (i = 0; i < 8; ++i) {
|
| + for (j = 0; j < 8; ++j)
|
| + temp_in[j] = out[j * 8 + i];
|
| + vp9_highbd_idct8(temp_in, temp_out, bd);
|
| + for (j = 0; j < 8; ++j) {
|
| + dest[j * stride + i] = highbd_clip_pixel_add(
|
| + dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +void vp9_highbd_idct8x8_10_add_sse2(const tran_low_t *input, uint8_t *dest8,
|
| + int stride, int bd) {
|
| + tran_low_t out[8 * 8] = { 0 };
|
| + tran_low_t *outptr = out;
|
| + int i, j, test;
|
| + __m128i inptr[8];
|
| + __m128i min_input, max_input, temp1, temp2, sign_bits;
|
| + uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
|
| + const __m128i zero = _mm_set1_epi16(0);
|
| + const __m128i sixteen = _mm_set1_epi16(16);
|
| + const __m128i max = _mm_set1_epi16(6201);
|
| + const __m128i min = _mm_set1_epi16(-6201);
|
| + int optimised_cols = 0;
|
| +
|
| + // Load input into __m128i & pack to 16 bits
|
| + for (i = 0; i < 8; i++) {
|
| + temp1 = _mm_loadu_si128((const __m128i *)(input + 8 * i));
|
| + temp2 = _mm_loadu_si128((const __m128i *)(input + 8 * i + 4));
|
| + inptr[i] = _mm_packs_epi32(temp1, temp2);
|
| + }
|
| +
|
| + // Find the min & max for the row transform
|
| + // only first 4 row has non-zero coefs
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + for (i = 2; i < 4; i++) {
|
| + max_input = _mm_max_epi16(max_input, inptr[i]);
|
| + min_input = _mm_min_epi16(min_input, inptr[i]);
|
| + }
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp1 = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp1);
|
| +
|
| + if (!test) {
|
| + // Do the row transform
|
| + idct8_sse2(inptr);
|
| +
|
| + // Find the min & max for the column transform
|
| + // N.B. Only first 4 cols contain non-zero coeffs
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + for (i = 2; i < 8; i++) {
|
| + max_input = _mm_max_epi16(max_input, inptr[i]);
|
| + min_input = _mm_min_epi16(min_input, inptr[i]);
|
| + }
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp1 = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp1);
|
| +
|
| + if (test) {
|
| + // Use fact only first 4 rows contain non-zero coeffs
|
| + array_transpose_4X8(inptr, inptr);
|
| + for (i = 0; i < 4; i++) {
|
| + sign_bits = _mm_cmplt_epi16(inptr[i], zero);
|
| + temp1 = _mm_unpackhi_epi16(inptr[i], sign_bits);
|
| + temp2 = _mm_unpacklo_epi16(inptr[i], sign_bits);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i + 1)), temp1);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i)), temp2);
|
| + }
|
| + } else {
|
| + // Set to use the optimised transform for the column
|
| + optimised_cols = 1;
|
| + }
|
| + } else {
|
| + // Run the un-optimised row transform
|
| + for (i = 0; i < 4; ++i) {
|
| + vp9_highbd_idct8(input, outptr, bd);
|
| + input += 8;
|
| + outptr += 8;
|
| + }
|
| + }
|
| +
|
| + if (optimised_cols) {
|
| + idct8_sse2(inptr);
|
| +
|
| + // Final round & shift and Reconstruction and Store
|
| + {
|
| + __m128i d[8];
|
| + for (i = 0; i < 8; i++) {
|
| + inptr[i] = _mm_add_epi16(inptr[i], sixteen);
|
| + d[i] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
|
| + inptr[i] = _mm_srai_epi16(inptr[i], 5);
|
| + d[i] = clamp_high_sse2(_mm_adds_epi16(d[i], inptr[i]), bd);
|
| + // Store
|
| + _mm_storeu_si128((__m128i *)(dest + stride*i), d[i]);
|
| + }
|
| + }
|
| + } else {
|
| + // Run the un-optimised column transform
|
| + tran_low_t temp_in[8], temp_out[8];
|
| + for (i = 0; i < 8; ++i) {
|
| + for (j = 0; j < 8; ++j)
|
| + temp_in[j] = out[j * 8 + i];
|
| + vp9_highbd_idct8(temp_in, temp_out, bd);
|
| + for (j = 0; j < 8; ++j) {
|
| + dest[j * stride + i] = highbd_clip_pixel_add(
|
| + dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +void vp9_highbd_idct16x16_256_add_sse2(const tran_low_t *input, uint8_t *dest8,
|
| + int stride, int bd) {
|
| + tran_low_t out[16 * 16];
|
| + tran_low_t *outptr = out;
|
| + int i, j, test;
|
| + __m128i inptr[32];
|
| + __m128i min_input, max_input, temp1, temp2, sign_bits;
|
| + uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
|
| + const __m128i zero = _mm_set1_epi16(0);
|
| + const __m128i rounding = _mm_set1_epi16(32);
|
| + const __m128i max = _mm_set1_epi16(3155);
|
| + const __m128i min = _mm_set1_epi16(-3155);
|
| + int optimised_cols = 0;
|
| +
|
| + // Load input into __m128i & pack to 16 bits
|
| + for (i = 0; i < 16; i++) {
|
| + temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i));
|
| + temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 4));
|
| + inptr[i] = _mm_packs_epi32(temp1, temp2);
|
| + temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 8));
|
| + temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 12));
|
| + inptr[i + 16] = _mm_packs_epi32(temp1, temp2);
|
| + }
|
| +
|
| + // Find the min & max for the row transform
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + for (i = 2; i < 32; i++) {
|
| + max_input = _mm_max_epi16(max_input, inptr[i]);
|
| + min_input = _mm_min_epi16(min_input, inptr[i]);
|
| + }
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp1 = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp1);
|
| +
|
| + if (!test) {
|
| + // Do the row transform
|
| + idct16_sse2(inptr, inptr + 16);
|
| +
|
| + // Find the min & max for the column transform
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + for (i = 2; i < 32; i++) {
|
| + max_input = _mm_max_epi16(max_input, inptr[i]);
|
| + min_input = _mm_min_epi16(min_input, inptr[i]);
|
| + }
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp1 = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp1);
|
| +
|
| + if (test) {
|
| + array_transpose_16x16(inptr, inptr + 16);
|
| + for (i = 0; i < 16; i++) {
|
| + sign_bits = _mm_cmplt_epi16(inptr[i], zero);
|
| + temp1 = _mm_unpacklo_epi16(inptr[i], sign_bits);
|
| + temp2 = _mm_unpackhi_epi16(inptr[i], sign_bits);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4)), temp1);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 1)), temp2);
|
| + sign_bits = _mm_cmplt_epi16(inptr[i + 16], zero);
|
| + temp1 = _mm_unpacklo_epi16(inptr[i + 16], sign_bits);
|
| + temp2 = _mm_unpackhi_epi16(inptr[i + 16], sign_bits);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 2)), temp1);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 3)), temp2);
|
| + }
|
| + } else {
|
| + // Set to use the optimised transform for the column
|
| + optimised_cols = 1;
|
| + }
|
| + } else {
|
| + // Run the un-optimised row transform
|
| + for (i = 0; i < 16; ++i) {
|
| + vp9_highbd_idct16(input, outptr, bd);
|
| + input += 16;
|
| + outptr += 16;
|
| + }
|
| + }
|
| +
|
| + if (optimised_cols) {
|
| + idct16_sse2(inptr, inptr + 16);
|
| +
|
| + // Final round & shift and Reconstruction and Store
|
| + {
|
| + __m128i d[2];
|
| + for (i = 0; i < 16; i++) {
|
| + inptr[i ] = _mm_add_epi16(inptr[i ], rounding);
|
| + inptr[i+16] = _mm_add_epi16(inptr[i+16], rounding);
|
| + d[0] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
|
| + d[1] = _mm_loadu_si128((const __m128i *)(dest + stride*i + 8));
|
| + inptr[i ] = _mm_srai_epi16(inptr[i ], 6);
|
| + inptr[i+16] = _mm_srai_epi16(inptr[i+16], 6);
|
| + d[0] = clamp_high_sse2(_mm_add_epi16(d[0], inptr[i ]), bd);
|
| + d[1] = clamp_high_sse2(_mm_add_epi16(d[1], inptr[i+16]), bd);
|
| + // Store
|
| + _mm_storeu_si128((__m128i *)(dest + stride*i), d[0]);
|
| + _mm_storeu_si128((__m128i *)(dest + stride*i + 8), d[1]);
|
| + }
|
| + }
|
| + } else {
|
| + // Run the un-optimised column transform
|
| + tran_low_t temp_in[16], temp_out[16];
|
| + for (i = 0; i < 16; ++i) {
|
| + for (j = 0; j < 16; ++j)
|
| + temp_in[j] = out[j * 16 + i];
|
| + vp9_highbd_idct16(temp_in, temp_out, bd);
|
| + for (j = 0; j < 16; ++j) {
|
| + dest[j * stride + i] = highbd_clip_pixel_add(
|
| + dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +void vp9_highbd_idct16x16_10_add_sse2(const tran_low_t *input, uint8_t *dest8,
|
| + int stride, int bd) {
|
| + tran_low_t out[16 * 16] = { 0 };
|
| + tran_low_t *outptr = out;
|
| + int i, j, test;
|
| + __m128i inptr[32];
|
| + __m128i min_input, max_input, temp1, temp2, sign_bits;
|
| + uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
|
| + const __m128i zero = _mm_set1_epi16(0);
|
| + const __m128i rounding = _mm_set1_epi16(32);
|
| + const __m128i max = _mm_set1_epi16(3155);
|
| + const __m128i min = _mm_set1_epi16(-3155);
|
| + int optimised_cols = 0;
|
| +
|
| + // Load input into __m128i & pack to 16 bits
|
| + for (i = 0; i < 16; i++) {
|
| + temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i));
|
| + temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 4));
|
| + inptr[i] = _mm_packs_epi32(temp1, temp2);
|
| + temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 8));
|
| + temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 12));
|
| + inptr[i + 16] = _mm_packs_epi32(temp1, temp2);
|
| + }
|
| +
|
| + // Find the min & max for the row transform
|
| + // Since all non-zero dct coefficients are in upper-left 4x4 area,
|
| + // we only need to consider first 4 rows here.
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + for (i = 2; i < 4; i++) {
|
| + max_input = _mm_max_epi16(max_input, inptr[i]);
|
| + min_input = _mm_min_epi16(min_input, inptr[i]);
|
| + }
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp1 = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp1);
|
| +
|
| + if (!test) {
|
| + // Do the row transform (N.B. This transposes inptr)
|
| + idct16_sse2(inptr, inptr + 16);
|
| +
|
| + // Find the min & max for the column transform
|
| + // N.B. Only first 4 cols contain non-zero coeffs
|
| + max_input = _mm_max_epi16(inptr[0], inptr[1]);
|
| + min_input = _mm_min_epi16(inptr[0], inptr[1]);
|
| + for (i = 2; i < 16; i++) {
|
| + max_input = _mm_max_epi16(max_input, inptr[i]);
|
| + min_input = _mm_min_epi16(min_input, inptr[i]);
|
| + }
|
| + max_input = _mm_cmpgt_epi16(max_input, max);
|
| + min_input = _mm_cmplt_epi16(min_input, min);
|
| + temp1 = _mm_or_si128(max_input, min_input);
|
| + test = _mm_movemask_epi8(temp1);
|
| +
|
| + if (test) {
|
| + // Use fact only first 4 rows contain non-zero coeffs
|
| + array_transpose_8x8(inptr, inptr);
|
| + array_transpose_8x8(inptr + 8, inptr + 16);
|
| + for (i = 0; i < 4; i++) {
|
| + sign_bits = _mm_cmplt_epi16(inptr[i], zero);
|
| + temp1 = _mm_unpacklo_epi16(inptr[i], sign_bits);
|
| + temp2 = _mm_unpackhi_epi16(inptr[i], sign_bits);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4)), temp1);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 1)), temp2);
|
| + sign_bits = _mm_cmplt_epi16(inptr[i + 16], zero);
|
| + temp1 = _mm_unpacklo_epi16(inptr[i + 16], sign_bits);
|
| + temp2 = _mm_unpackhi_epi16(inptr[i + 16], sign_bits);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 2)), temp1);
|
| + _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 3)), temp2);
|
| + }
|
| + } else {
|
| + // Set to use the optimised transform for the column
|
| + optimised_cols = 1;
|
| + }
|
| + } else {
|
| + // Run the un-optimised row transform
|
| + for (i = 0; i < 4; ++i) {
|
| + vp9_highbd_idct16(input, outptr, bd);
|
| + input += 16;
|
| + outptr += 16;
|
| + }
|
| + }
|
| +
|
| + if (optimised_cols) {
|
| + idct16_sse2(inptr, inptr + 16);
|
| +
|
| + // Final round & shift and Reconstruction and Store
|
| + {
|
| + __m128i d[2];
|
| + for (i = 0; i < 16; i++) {
|
| + inptr[i ] = _mm_add_epi16(inptr[i ], rounding);
|
| + inptr[i+16] = _mm_add_epi16(inptr[i+16], rounding);
|
| + d[0] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
|
| + d[1] = _mm_loadu_si128((const __m128i *)(dest + stride*i + 8));
|
| + inptr[i ] = _mm_srai_epi16(inptr[i ], 6);
|
| + inptr[i+16] = _mm_srai_epi16(inptr[i+16], 6);
|
| + d[0] = clamp_high_sse2(_mm_add_epi16(d[0], inptr[i ]), bd);
|
| + d[1] = clamp_high_sse2(_mm_add_epi16(d[1], inptr[i+16]), bd);
|
| + // Store
|
| + _mm_storeu_si128((__m128i *)(dest + stride*i), d[0]);
|
| + _mm_storeu_si128((__m128i *)(dest + stride*i + 8), d[1]);
|
| + }
|
| + }
|
| + } else {
|
| + // Run the un-optimised column transform
|
| + tran_low_t temp_in[16], temp_out[16];
|
| + for (i = 0; i < 16; ++i) {
|
| + for (j = 0; j < 16; ++j)
|
| + temp_in[j] = out[j * 16 + i];
|
| + vp9_highbd_idct16(temp_in, temp_out, bd);
|
| + for (j = 0; j < 16; ++j) {
|
| + dest[j * stride + i] = highbd_clip_pixel_add(
|
| + dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +#endif // CONFIG_VP9_HIGHBITDEPTH
|
|
|
Chromium Code Reviews
Issue 1158913006:
Move libvpx from DEPS to src (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master