49b6302044
Enable SSE2 4x4 inverse ADST/DCT transform. The runtime goes from 292 cycles down to 89 cycles. Running bus_cif at 2000 kbps, the overall runtime of speed 0 goes from 301s to 295s (2% speed-up). Change-Id: I24098136e7fee7ab2fbf1c11755bdf2ca37f3628
2135 lines
84 KiB
C
2135 lines
84 KiB
C
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <assert.h>
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#include <emmintrin.h> // SSE2
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#include "./vpx_config.h"
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#include "vpx/vpx_integer.h"
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#include "vp9/common/vp9_common.h"
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#include "vp9/common/vp9_idct.h"
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// In order to improve performance, clip absolute diff values to [0, 255],
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// which allows to keep the additions/subtractions in 8 bits.
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void vp9_dc_only_idct_add_sse2(int input_dc, uint8_t *pred_ptr,
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uint8_t *dst_ptr, int pitch, int stride) {
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int a1;
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int16_t out;
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uint8_t abs_diff;
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__m128i p0, p1, p2, p3;
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unsigned int extended_diff;
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__m128i diff;
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out = dct_const_round_shift(input_dc * cospi_16_64);
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out = dct_const_round_shift(out * cospi_16_64);
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a1 = ROUND_POWER_OF_TWO(out, 4);
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// Read prediction data.
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p0 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 0 * pitch));
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p1 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 1 * pitch));
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p2 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 2 * pitch));
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p3 = _mm_cvtsi32_si128 (*(const int *)(pred_ptr + 3 * pitch));
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// Unpack prediction data, and store 4x4 array in 1 XMM register.
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p0 = _mm_unpacklo_epi32(p0, p1);
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p2 = _mm_unpacklo_epi32(p2, p3);
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p0 = _mm_unpacklo_epi64(p0, p2);
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// Clip dc value to [0, 255] range. Then, do addition or subtraction
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// according to its sign.
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if (a1 >= 0) {
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abs_diff = (a1 > 255) ? 255 : a1;
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extended_diff = abs_diff * 0x01010101u;
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diff = _mm_shuffle_epi32(_mm_cvtsi32_si128((int)extended_diff), 0);
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p1 = _mm_adds_epu8(p0, diff);
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} else {
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abs_diff = (a1 < -255) ? 255 : -a1;
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extended_diff = abs_diff * 0x01010101u;
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diff = _mm_shuffle_epi32(_mm_cvtsi32_si128((int)extended_diff), 0);
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p1 = _mm_subs_epu8(p0, diff);
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}
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// Store results to dst.
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*(int *)dst_ptr = _mm_cvtsi128_si32(p1);
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dst_ptr += stride;
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p1 = _mm_srli_si128(p1, 4);
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*(int *)dst_ptr = _mm_cvtsi128_si32(p1);
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dst_ptr += stride;
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p1 = _mm_srli_si128(p1, 4);
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*(int *)dst_ptr = _mm_cvtsi128_si32(p1);
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dst_ptr += stride;
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p1 = _mm_srli_si128(p1, 4);
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*(int *)dst_ptr = _mm_cvtsi128_si32(p1);
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}
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void vp9_short_idct4x4_add_sse2(int16_t *input, uint8_t *dest, int stride) {
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const __m128i zero = _mm_setzero_si128();
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const __m128i eight = _mm_set1_epi16(8);
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const __m128i cst = _mm_setr_epi16((int16_t)cospi_16_64, (int16_t)cospi_16_64,
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(int16_t)cospi_16_64, (int16_t)-cospi_16_64,
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(int16_t)cospi_24_64, (int16_t)-cospi_8_64,
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(int16_t)cospi_8_64, (int16_t)cospi_24_64);
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const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
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__m128i input0, input1, input2, input3;
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// Rows
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input0 = _mm_loadl_epi64((__m128i *)input);
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input1 = _mm_loadl_epi64((__m128i *)(input + 4));
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input2 = _mm_loadl_epi64((__m128i *)(input + 8));
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input3 = _mm_loadl_epi64((__m128i *)(input + 12));
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// Construct i3, i1, i3, i1, i2, i0, i2, i0
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input0 = _mm_shufflelo_epi16(input0, 0xd8);
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input1 = _mm_shufflelo_epi16(input1, 0xd8);
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input2 = _mm_shufflelo_epi16(input2, 0xd8);
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input3 = _mm_shufflelo_epi16(input3, 0xd8);
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input0 = _mm_unpacklo_epi32(input0, input0);
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input1 = _mm_unpacklo_epi32(input1, input1);
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input2 = _mm_unpacklo_epi32(input2, input2);
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input3 = _mm_unpacklo_epi32(input3, input3);
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// Stage 1
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input0 = _mm_madd_epi16(input0, cst);
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input1 = _mm_madd_epi16(input1, cst);
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input2 = _mm_madd_epi16(input2, cst);
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input3 = _mm_madd_epi16(input3, cst);
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input0 = _mm_add_epi32(input0, rounding);
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input1 = _mm_add_epi32(input1, rounding);
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input2 = _mm_add_epi32(input2, rounding);
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input3 = _mm_add_epi32(input3, rounding);
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input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
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input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
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input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
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input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
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// Stage 2
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input0 = _mm_packs_epi32(input0, zero);
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input1 = _mm_packs_epi32(input1, zero);
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input2 = _mm_packs_epi32(input2, zero);
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input3 = _mm_packs_epi32(input3, zero);
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// Transpose
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input1 = _mm_unpacklo_epi16(input0, input1);
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input3 = _mm_unpacklo_epi16(input2, input3);
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input0 = _mm_unpacklo_epi32(input1, input3);
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input1 = _mm_unpackhi_epi32(input1, input3);
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// Switch column2, column 3, and then, we got:
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// input2: column1, column 0; input3: column2, column 3.
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input1 = _mm_shuffle_epi32(input1, 0x4e);
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input2 = _mm_add_epi16(input0, input1);
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input3 = _mm_sub_epi16(input0, input1);
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// Columns
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// Construct i3, i1, i3, i1, i2, i0, i2, i0
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input0 = _mm_shufflelo_epi16(input2, 0xd8);
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input1 = _mm_shufflehi_epi16(input2, 0xd8);
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input2 = _mm_shufflehi_epi16(input3, 0xd8);
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input3 = _mm_shufflelo_epi16(input3, 0xd8);
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input0 = _mm_unpacklo_epi32(input0, input0);
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input1 = _mm_unpackhi_epi32(input1, input1);
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input2 = _mm_unpackhi_epi32(input2, input2);
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input3 = _mm_unpacklo_epi32(input3, input3);
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// Stage 1
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input0 = _mm_madd_epi16(input0, cst);
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input1 = _mm_madd_epi16(input1, cst);
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input2 = _mm_madd_epi16(input2, cst);
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input3 = _mm_madd_epi16(input3, cst);
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input0 = _mm_add_epi32(input0, rounding);
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input1 = _mm_add_epi32(input1, rounding);
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input2 = _mm_add_epi32(input2, rounding);
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input3 = _mm_add_epi32(input3, rounding);
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input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
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input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
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input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
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input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
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// Stage 2
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input0 = _mm_packs_epi32(input0, zero);
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input1 = _mm_packs_epi32(input1, zero);
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input2 = _mm_packs_epi32(input2, zero);
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input3 = _mm_packs_epi32(input3, zero);
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// Transpose
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input1 = _mm_unpacklo_epi16(input0, input1);
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input3 = _mm_unpacklo_epi16(input2, input3);
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input0 = _mm_unpacklo_epi32(input1, input3);
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input1 = _mm_unpackhi_epi32(input1, input3);
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// Switch column2, column 3, and then, we got:
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// input2: column1, column 0; input3: column2, column 3.
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input1 = _mm_shuffle_epi32(input1, 0x4e);
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input2 = _mm_add_epi16(input0, input1);
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input3 = _mm_sub_epi16(input0, input1);
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// Final round and shift
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input2 = _mm_add_epi16(input2, eight);
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input3 = _mm_add_epi16(input3, eight);
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input2 = _mm_srai_epi16(input2, 4);
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input3 = _mm_srai_epi16(input3, 4);
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#define RECON_AND_STORE4X4(dest, in_x) \
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{ \
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__m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest)); \
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d0 = _mm_unpacklo_epi8(d0, zero); \
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d0 = _mm_add_epi16(in_x, d0); \
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d0 = _mm_packus_epi16(d0, d0); \
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*(int *)dest = _mm_cvtsi128_si32(d0); \
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dest += stride; \
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}
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input0 = _mm_srli_si128(input2, 8);
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input1 = _mm_srli_si128(input3, 8);
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RECON_AND_STORE4X4(dest, input2);
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RECON_AND_STORE4X4(dest, input0);
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RECON_AND_STORE4X4(dest, input1);
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RECON_AND_STORE4X4(dest, input3);
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}
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void vp9_idct4_1d_sse2(int16_t *input, int16_t *output) {
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const __m128i zero = _mm_setzero_si128();
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const __m128i c1 = _mm_setr_epi16((int16_t)cospi_16_64, (int16_t)cospi_16_64,
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(int16_t)cospi_16_64, (int16_t)-cospi_16_64,
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(int16_t)cospi_24_64, (int16_t)-cospi_8_64,
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(int16_t)cospi_8_64, (int16_t)cospi_24_64);
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const __m128i c2 = _mm_setr_epi16(1, 1, 1, 1, 1, -1, 1, -1);
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const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
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__m128i in, temp;
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// Load input data.
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in = _mm_loadl_epi64((__m128i *)input);
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// Construct i3, i1, i3, i1, i2, i0, i2, i0
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in = _mm_shufflelo_epi16(in, 0xd8);
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in = _mm_unpacklo_epi32(in, in);
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// Stage 1
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in = _mm_madd_epi16(in, c1);
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in = _mm_add_epi32(in, rounding);
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in = _mm_srai_epi32(in, DCT_CONST_BITS);
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in = _mm_packs_epi32(in, zero);
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// Stage 2
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temp = _mm_shufflelo_epi16(in, 0x9c);
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in = _mm_shufflelo_epi16(in, 0xc9);
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in = _mm_unpacklo_epi64(temp, in);
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in = _mm_madd_epi16(in, c2);
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in = _mm_packs_epi32(in, zero);
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// Store results
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_mm_storel_epi64((__m128i *)output, in);
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}
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static INLINE void transpose_4x4(__m128i *res) {
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const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
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const __m128i tr0_1 = _mm_unpacklo_epi16(res[2], res[3]);
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res[0] = _mm_unpacklo_epi32(tr0_0, tr0_1);
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res[2] = _mm_unpackhi_epi32(tr0_0, tr0_1);
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res[1] = _mm_unpackhi_epi64(res[0], res[0]);
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res[3] = _mm_unpackhi_epi64(res[2], res[2]);
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}
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void idct4_1d_sse2(__m128i *in) {
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const __m128i k__cospi_p16_p16 = pair_set_epi16(cospi_16_64, cospi_16_64);
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const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
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const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
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const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
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const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
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__m128i u[8], v[8];
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transpose_4x4(in);
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// stage 1
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u[0] = _mm_unpacklo_epi16(in[0], in[2]);
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u[1] = _mm_unpacklo_epi16(in[1], in[3]);
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v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
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v[1] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
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v[2] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
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v[3] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
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u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
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u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
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u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
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u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
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v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
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v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
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v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
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v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
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u[0] = _mm_packs_epi32(v[0], v[2]);
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u[1] = _mm_packs_epi32(v[1], v[3]);
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u[2] = _mm_unpackhi_epi64(u[0], u[0]);
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u[3] = _mm_unpackhi_epi64(u[1], u[1]);
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// stage 2
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in[0] = _mm_add_epi16(u[0], u[3]);
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in[1] = _mm_add_epi16(u[1], u[2]);
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in[2] = _mm_sub_epi16(u[1], u[2]);
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in[3] = _mm_sub_epi16(u[0], u[3]);
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}
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void iadst4_1d_sse2(__m128i *in) {
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const __m128i k__sinpi_p01_p04 = pair_set_epi16(sinpi_1_9, sinpi_4_9);
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const __m128i k__sinpi_p03_p02 = pair_set_epi16(sinpi_3_9, sinpi_2_9);
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const __m128i k__sinpi_p02_m01 = pair_set_epi16(sinpi_2_9, -sinpi_1_9);
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const __m128i k__sinpi_p03_m04 = pair_set_epi16(sinpi_3_9, -sinpi_4_9);
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const __m128i k__sinpi_p03_p03 = _mm_set1_epi16(sinpi_3_9);
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const __m128i kZero = _mm_set1_epi16(0);
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const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
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__m128i u[8], v[8], in7;
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transpose_4x4(in);
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in7 = _mm_add_epi16(in[0], in[3]);
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in7 = _mm_sub_epi16(in7, in[2]);
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u[0] = _mm_unpacklo_epi16(in[0], in[2]);
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u[1] = _mm_unpacklo_epi16(in[1], in[3]);
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u[2] = _mm_unpacklo_epi16(in7, kZero);
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u[3] = _mm_unpacklo_epi16(in[1], kZero);
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v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p04); // s0 + s3
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v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p02); // s2 + s5
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v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x2
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v[3] = _mm_madd_epi16(u[0], k__sinpi_p02_m01); // s1 - s4
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v[4] = _mm_madd_epi16(u[1], k__sinpi_p03_m04); // s2 - s6
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v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s2
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u[0] = _mm_add_epi32(v[0], v[1]);
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u[1] = _mm_add_epi32(v[3], v[4]);
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u[2] = v[2];
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u[3] = _mm_add_epi32(u[0], u[1]);
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u[4] = _mm_slli_epi32(v[5], 2);
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u[5] = _mm_add_epi32(u[3], v[5]);
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u[6] = _mm_sub_epi32(u[5], u[4]);
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v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
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v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
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v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
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v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
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u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
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u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
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u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
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u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
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in[0] = _mm_packs_epi32(u[0], u[2]);
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in[1] = _mm_packs_epi32(u[1], u[3]);
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in[2] = _mm_unpackhi_epi64(in[0], in[0]);
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in[3] = _mm_unpackhi_epi64(in[1], in[1]);
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}
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void vp9_short_iht4x4_add_sse2(int16_t *input, uint8_t *dest, int stride,
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int tx_type) {
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__m128i in[4];
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const __m128i zero = _mm_setzero_si128();
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const __m128i eight = _mm_set1_epi16(8);
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in[0] = _mm_loadl_epi64((__m128i *)input);
|
|
in[1] = _mm_loadl_epi64((__m128i *)(input + 4));
|
|
in[2] = _mm_loadl_epi64((__m128i *)(input + 8));
|
|
in[3] = _mm_loadl_epi64((__m128i *)(input + 12));
|
|
|
|
switch (tx_type) {
|
|
case 0: // DCT_DCT
|
|
idct4_1d_sse2(in);
|
|
idct4_1d_sse2(in);
|
|
break;
|
|
case 1: // ADST_DCT
|
|
idct4_1d_sse2(in);
|
|
iadst4_1d_sse2(in);
|
|
break;
|
|
case 2: // DCT_ADST
|
|
iadst4_1d_sse2(in);
|
|
idct4_1d_sse2(in);
|
|
break;
|
|
case 3: // ADST_ADST
|
|
iadst4_1d_sse2(in);
|
|
iadst4_1d_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[2] = _mm_add_epi16(in[2], eight);
|
|
in[3] = _mm_add_epi16(in[3], eight);
|
|
|
|
in[0] = _mm_srai_epi16(in[0], 4);
|
|
in[1] = _mm_srai_epi16(in[1], 4);
|
|
in[2] = _mm_srai_epi16(in[2], 4);
|
|
in[3] = _mm_srai_epi16(in[3], 4);
|
|
|
|
RECON_AND_STORE4X4(dest, in[0]);
|
|
RECON_AND_STORE4X4(dest, in[1]);
|
|
RECON_AND_STORE4X4(dest, in[2]);
|
|
RECON_AND_STORE4X4(dest, in[3]);
|
|
}
|
|
|
|
#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(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_4 = _mm_unpacklo_epi16(in4, in5); \
|
|
const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
|
|
\
|
|
const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
|
|
const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
|
|
const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
|
|
const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
|
|
\
|
|
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 = out5 = out6 = out7 = zero; \
|
|
}
|
|
|
|
#define TRANSPOSE_8X4(in0, in1, in2, in3, out0, out1, out2, out3) \
|
|
{ \
|
|
const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
|
|
const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
|
|
const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
|
|
const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
|
|
\
|
|
in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); /* i1 i0 */ \
|
|
in1 = _mm_unpackhi_epi32(tr0_0, tr0_1); /* i3 i2 */ \
|
|
in2 = _mm_unpacklo_epi32(tr0_2, tr0_3); /* i5 i4 */ \
|
|
in3 = _mm_unpackhi_epi32(tr0_2, tr0_3); /* i7 i6 */ \
|
|
}
|
|
|
|
// 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 IDCT8x8_1D \
|
|
/* Stage1 */ \
|
|
{ \
|
|
const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \
|
|
const __m128i hi_17 = _mm_unpackhi_epi16(in1, in7); \
|
|
const __m128i lo_35 = _mm_unpacklo_epi16(in3, in5); \
|
|
const __m128i hi_35 = _mm_unpackhi_epi16(in3, in5); \
|
|
\
|
|
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 */ \
|
|
in0 = _mm_adds_epi16(stp1_0, stp2_7); \
|
|
in1 = _mm_adds_epi16(stp1_1, stp1_6); \
|
|
in2 = _mm_adds_epi16(stp1_2, stp1_5); \
|
|
in3 = _mm_adds_epi16(stp1_3, stp2_4); \
|
|
in4 = _mm_subs_epi16(stp1_3, stp2_4); \
|
|
in5 = _mm_subs_epi16(stp1_2, stp1_5); \
|
|
in6 = _mm_subs_epi16(stp1_1, stp1_6); \
|
|
in7 = _mm_subs_epi16(stp1_0, stp2_7);
|
|
|
|
#define RECON_AND_STORE(dest, in_x) \
|
|
{ \
|
|
__m128i d0 = _mm_loadl_epi64((__m128i *)(dest)); \
|
|
d0 = _mm_unpacklo_epi8(d0, zero); \
|
|
in_x = _mm_add_epi16(in_x, d0); \
|
|
in_x = _mm_packus_epi16(in_x, in_x); \
|
|
_mm_storel_epi64((__m128i *)(dest), in_x); \
|
|
dest += stride; \
|
|
}
|
|
|
|
void vp9_short_idct8x8_add_sse2(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((__m128i *)input);
|
|
in1 = _mm_load_si128((__m128i *)(input + 8 * 1));
|
|
in2 = _mm_load_si128((__m128i *)(input + 8 * 2));
|
|
in3 = _mm_load_si128((__m128i *)(input + 8 * 3));
|
|
in4 = _mm_load_si128((__m128i *)(input + 8 * 4));
|
|
in5 = _mm_load_si128((__m128i *)(input + 8 * 5));
|
|
in6 = _mm_load_si128((__m128i *)(input + 8 * 6));
|
|
in7 = _mm_load_si128((__m128i *)(input + 8 * 7));
|
|
|
|
// 2-D
|
|
for (i = 0; i < 2; i++) {
|
|
// 8x8 Transpose is copied from vp9_short_fdct8x8_sse2()
|
|
TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
|
|
in4, in5, in6, in7);
|
|
|
|
// 4-stage 1D idct8x8
|
|
IDCT8x8_1D
|
|
}
|
|
|
|
// 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, in0);
|
|
RECON_AND_STORE(dest, in1);
|
|
RECON_AND_STORE(dest, in2);
|
|
RECON_AND_STORE(dest, in3);
|
|
RECON_AND_STORE(dest, in4);
|
|
RECON_AND_STORE(dest, in5);
|
|
RECON_AND_STORE(dest, in6);
|
|
RECON_AND_STORE(dest, in7);
|
|
}
|
|
|
|
void vp9_short_idct10_8x8_add_sse2(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((__m128i *)input);
|
|
in1 = _mm_load_si128((__m128i *)(input + 8 * 1));
|
|
in2 = _mm_load_si128((__m128i *)(input + 8 * 2));
|
|
in3 = _mm_load_si128((__m128i *)(input + 8 * 3));
|
|
|
|
// 8x4 Transpose
|
|
TRANSPOSE_8X4(in0, in1, in2, in3, in0, in1, in2, in3)
|
|
|
|
// Stage1
|
|
{
|
|
const __m128i lo_17 = _mm_unpackhi_epi16(in0, in3);
|
|
const __m128i lo_35 = _mm_unpackhi_epi16(in1, in2);
|
|
|
|
tmp0 = _mm_madd_epi16(lo_17, stg1_0);
|
|
tmp2 = _mm_madd_epi16(lo_17, stg1_1);
|
|
tmp4 = _mm_madd_epi16(lo_35, stg1_2);
|
|
tmp6 = _mm_madd_epi16(lo_35, stg1_3);
|
|
|
|
tmp0 = _mm_add_epi32(tmp0, rounding);
|
|
tmp2 = _mm_add_epi32(tmp2, rounding);
|
|
tmp4 = _mm_add_epi32(tmp4, rounding);
|
|
tmp6 = _mm_add_epi32(tmp6, rounding);
|
|
tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
|
|
tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
|
|
tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
|
|
tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
|
|
|
|
stp1_4 = _mm_packs_epi32(tmp0, zero);
|
|
stp1_7 = _mm_packs_epi32(tmp2, zero);
|
|
stp1_5 = _mm_packs_epi32(tmp4, zero);
|
|
stp1_6 = _mm_packs_epi32(tmp6, zero);
|
|
}
|
|
|
|
// Stage2
|
|
{
|
|
const __m128i lo_04 = _mm_unpacklo_epi16(in0, in2);
|
|
const __m128i lo_26 = _mm_unpacklo_epi16(in1, in3);
|
|
|
|
tmp0 = _mm_madd_epi16(lo_04, stg2_0);
|
|
tmp2 = _mm_madd_epi16(lo_04, stg2_1);
|
|
tmp4 = _mm_madd_epi16(lo_26, stg2_2);
|
|
tmp6 = _mm_madd_epi16(lo_26, stg2_3);
|
|
|
|
tmp0 = _mm_add_epi32(tmp0, rounding);
|
|
tmp2 = _mm_add_epi32(tmp2, rounding);
|
|
tmp4 = _mm_add_epi32(tmp4, rounding);
|
|
tmp6 = _mm_add_epi32(tmp6, rounding);
|
|
tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
|
|
tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
|
|
tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
|
|
tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
|
|
|
|
stp2_0 = _mm_packs_epi32(tmp0, zero);
|
|
stp2_1 = _mm_packs_epi32(tmp2, zero);
|
|
stp2_2 = _mm_packs_epi32(tmp4, zero);
|
|
stp2_3 = _mm_packs_epi32(tmp6, zero);
|
|
|
|
stp2_4 = _mm_adds_epi16(stp1_4, stp1_5);
|
|
stp2_5 = _mm_subs_epi16(stp1_4, stp1_5);
|
|
stp2_6 = _mm_subs_epi16(stp1_7, stp1_6);
|
|
stp2_7 = _mm_adds_epi16(stp1_7, stp1_6);
|
|
}
|
|
|
|
// Stage3
|
|
{
|
|
const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6);
|
|
stp1_0 = _mm_adds_epi16(stp2_0, stp2_3);
|
|
stp1_1 = _mm_adds_epi16(stp2_1, stp2_2);
|
|
stp1_2 = _mm_subs_epi16(stp2_1, stp2_2);
|
|
stp1_3 = _mm_subs_epi16(stp2_0, stp2_3);
|
|
|
|
tmp0 = _mm_madd_epi16(lo_56, stg3_0);
|
|
tmp2 = _mm_madd_epi16(lo_56, stg2_0); // stg3_1 = stg2_0
|
|
|
|
tmp0 = _mm_add_epi32(tmp0, rounding);
|
|
tmp2 = _mm_add_epi32(tmp2, rounding);
|
|
tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
|
|
tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
|
|
|
|
stp1_5 = _mm_packs_epi32(tmp0, zero);
|
|
stp1_6 = _mm_packs_epi32(tmp2, zero);
|
|
}
|
|
|
|
// Stage4
|
|
in0 = _mm_adds_epi16(stp1_0, stp2_7);
|
|
in1 = _mm_adds_epi16(stp1_1, stp1_6);
|
|
in2 = _mm_adds_epi16(stp1_2, stp1_5);
|
|
in3 = _mm_adds_epi16(stp1_3, stp2_4);
|
|
in4 = _mm_subs_epi16(stp1_3, stp2_4);
|
|
in5 = _mm_subs_epi16(stp1_2, stp1_5);
|
|
in6 = _mm_subs_epi16(stp1_1, stp1_6);
|
|
in7 = _mm_subs_epi16(stp1_0, stp2_7);
|
|
|
|
// Columns. 4x8 Transpose
|
|
TRANSPOSE_4X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
|
|
in4, in5, in6, in7)
|
|
|
|
// 1D idct8x8
|
|
IDCT8x8_1D
|
|
|
|
// 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, in0);
|
|
RECON_AND_STORE(dest, in1);
|
|
RECON_AND_STORE(dest, in2);
|
|
RECON_AND_STORE(dest, in3);
|
|
RECON_AND_STORE(dest, in4);
|
|
RECON_AND_STORE(dest, in5);
|
|
RECON_AND_STORE(dest, in6);
|
|
RECON_AND_STORE(dest, in7);
|
|
}
|
|
|
|
#define IDCT16x16_1D \
|
|
/* Stage2 */ \
|
|
{ \
|
|
const __m128i lo_1_15 = _mm_unpacklo_epi16(in1, in15); \
|
|
const __m128i hi_1_15 = _mm_unpackhi_epi16(in1, in15); \
|
|
const __m128i lo_9_7 = _mm_unpacklo_epi16(in9, in7); \
|
|
const __m128i hi_9_7 = _mm_unpackhi_epi16(in9, in7); \
|
|
const __m128i lo_5_11 = _mm_unpacklo_epi16(in5, in11); \
|
|
const __m128i hi_5_11 = _mm_unpackhi_epi16(in5, in11); \
|
|
const __m128i lo_13_3 = _mm_unpacklo_epi16(in13, in3); \
|
|
const __m128i hi_13_3 = _mm_unpackhi_epi16(in13, in3); \
|
|
\
|
|
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(in2, in14); \
|
|
const __m128i hi_2_14 = _mm_unpackhi_epi16(in2, in14); \
|
|
const __m128i lo_10_6 = _mm_unpacklo_epi16(in10, in6); \
|
|
const __m128i hi_10_6 = _mm_unpackhi_epi16(in10, in6); \
|
|
\
|
|
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(in0, in8); \
|
|
const __m128i hi_0_8 = _mm_unpackhi_epi16(in0, in8); \
|
|
const __m128i lo_4_12 = _mm_unpacklo_epi16(in4, in12); \
|
|
const __m128i hi_4_12 = _mm_unpackhi_epi16(in4, in12); \
|
|
\
|
|
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) \
|
|
}
|
|
|
|
void vp9_short_idct16x16_add_sse2(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 in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
|
|
in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
|
|
in10 = zero, in11 = zero, in12 = zero, in13 = zero,
|
|
in14 = zero, in15 = zero;
|
|
__m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
|
|
l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
|
|
l12 = zero, l13 = zero, l14 = zero, l15 = zero;
|
|
__m128i r0 = zero, r1 = zero, r2 = zero, r3 = zero, r4 = zero, r5 = zero,
|
|
r6 = zero, r7 = zero, r8 = zero, r9 = zero, r10 = zero, r11 = zero,
|
|
r12 = zero, r13 = zero, r14 = zero, r15 = zero;
|
|
__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;
|
|
|
|
// We work on a 8x16 block each time, and loop 4 times for 2-D 16x16 idct.
|
|
for (i = 0; i < 4; i++) {
|
|
// 1-D idct
|
|
if (i < 2) {
|
|
if (i == 1) input += 128;
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|
|
|
// Load input data.
|
|
in0 = _mm_load_si128((__m128i *)input);
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|
in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
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|
in1 = _mm_load_si128((__m128i *)(input + 8 * 2));
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|
in9 = _mm_load_si128((__m128i *)(input + 8 * 3));
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|
in2 = _mm_load_si128((__m128i *)(input + 8 * 4));
|
|
in10 = _mm_load_si128((__m128i *)(input + 8 * 5));
|
|
in3 = _mm_load_si128((__m128i *)(input + 8 * 6));
|
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in11 = _mm_load_si128((__m128i *)(input + 8 * 7));
|
|
in4 = _mm_load_si128((__m128i *)(input + 8 * 8));
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|
in12 = _mm_load_si128((__m128i *)(input + 8 * 9));
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in5 = _mm_load_si128((__m128i *)(input + 8 * 10));
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|
in13 = _mm_load_si128((__m128i *)(input + 8 * 11));
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in6 = _mm_load_si128((__m128i *)(input + 8 * 12));
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|
in14 = _mm_load_si128((__m128i *)(input + 8 * 13));
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in7 = _mm_load_si128((__m128i *)(input + 8 * 14));
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in15 = _mm_load_si128((__m128i *)(input + 8 * 15));
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|
|
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TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
|
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in4, in5, in6, in7);
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|
TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
|
|
in10, in11, in12, in13, in14, in15);
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|
}
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|
|
|
if (i == 2) {
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|
TRANSPOSE_8X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
|
|
in5, in6, in7);
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TRANSPOSE_8X8(r0, r1, r2, r3, r4, r5, r6, r7, in8, in9, in10, in11, in12,
|
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in13, in14, in15);
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|
}
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|
|
|
if (i == 3) {
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TRANSPOSE_8X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
|
|
in4, in5, in6, in7);
|
|
TRANSPOSE_8X8(r8, r9, r10, r11, r12, r13, r14, r15, in8, in9, in10, in11,
|
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in12, in13, in14, in15);
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|
}
|
|
|
|
IDCT16x16_1D
|
|
|
|
// Stage7
|
|
if (i == 0) {
|
|
// Left 8x16
|
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l0 = _mm_add_epi16(stp2_0, stp1_15);
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l1 = _mm_add_epi16(stp2_1, stp1_14);
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l2 = _mm_add_epi16(stp2_2, stp2_13);
|
|
l3 = _mm_add_epi16(stp2_3, stp2_12);
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|
l4 = _mm_add_epi16(stp2_4, stp2_11);
|
|
l5 = _mm_add_epi16(stp2_5, stp2_10);
|
|
l6 = _mm_add_epi16(stp2_6, stp1_9);
|
|
l7 = _mm_add_epi16(stp2_7, stp1_8);
|
|
l8 = _mm_sub_epi16(stp2_7, stp1_8);
|
|
l9 = _mm_sub_epi16(stp2_6, stp1_9);
|
|
l10 = _mm_sub_epi16(stp2_5, stp2_10);
|
|
l11 = _mm_sub_epi16(stp2_4, stp2_11);
|
|
l12 = _mm_sub_epi16(stp2_3, stp2_12);
|
|
l13 = _mm_sub_epi16(stp2_2, stp2_13);
|
|
l14 = _mm_sub_epi16(stp2_1, stp1_14);
|
|
l15 = _mm_sub_epi16(stp2_0, stp1_15);
|
|
} else if (i == 1) {
|
|
// Right 8x16
|
|
r0 = _mm_add_epi16(stp2_0, stp1_15);
|
|
r1 = _mm_add_epi16(stp2_1, stp1_14);
|
|
r2 = _mm_add_epi16(stp2_2, stp2_13);
|
|
r3 = _mm_add_epi16(stp2_3, stp2_12);
|
|
r4 = _mm_add_epi16(stp2_4, stp2_11);
|
|
r5 = _mm_add_epi16(stp2_5, stp2_10);
|
|
r6 = _mm_add_epi16(stp2_6, stp1_9);
|
|
r7 = _mm_add_epi16(stp2_7, stp1_8);
|
|
r8 = _mm_sub_epi16(stp2_7, stp1_8);
|
|
r9 = _mm_sub_epi16(stp2_6, stp1_9);
|
|
r10 = _mm_sub_epi16(stp2_5, stp2_10);
|
|
r11 = _mm_sub_epi16(stp2_4, stp2_11);
|
|
r12 = _mm_sub_epi16(stp2_3, stp2_12);
|
|
r13 = _mm_sub_epi16(stp2_2, stp2_13);
|
|
r14 = _mm_sub_epi16(stp2_1, stp1_14);
|
|
r15 = _mm_sub_epi16(stp2_0, stp1_15);
|
|
} else {
|
|
// 2-D
|
|
in0 = _mm_add_epi16(stp2_0, stp1_15);
|
|
in1 = _mm_add_epi16(stp2_1, stp1_14);
|
|
in2 = _mm_add_epi16(stp2_2, stp2_13);
|
|
in3 = _mm_add_epi16(stp2_3, stp2_12);
|
|
in4 = _mm_add_epi16(stp2_4, stp2_11);
|
|
in5 = _mm_add_epi16(stp2_5, stp2_10);
|
|
in6 = _mm_add_epi16(stp2_6, stp1_9);
|
|
in7 = _mm_add_epi16(stp2_7, stp1_8);
|
|
in8 = _mm_sub_epi16(stp2_7, stp1_8);
|
|
in9 = _mm_sub_epi16(stp2_6, stp1_9);
|
|
in10 = _mm_sub_epi16(stp2_5, stp2_10);
|
|
in11 = _mm_sub_epi16(stp2_4, stp2_11);
|
|
in12 = _mm_sub_epi16(stp2_3, stp2_12);
|
|
in13 = _mm_sub_epi16(stp2_2, stp2_13);
|
|
in14 = _mm_sub_epi16(stp2_1, stp1_14);
|
|
in15 = _mm_sub_epi16(stp2_0, stp1_15);
|
|
|
|
// 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);
|
|
in8 = _mm_adds_epi16(in8, final_rounding);
|
|
in9 = _mm_adds_epi16(in9, final_rounding);
|
|
in10 = _mm_adds_epi16(in10, final_rounding);
|
|
in11 = _mm_adds_epi16(in11, final_rounding);
|
|
in12 = _mm_adds_epi16(in12, final_rounding);
|
|
in13 = _mm_adds_epi16(in13, final_rounding);
|
|
in14 = _mm_adds_epi16(in14, final_rounding);
|
|
in15 = _mm_adds_epi16(in15, final_rounding);
|
|
|
|
in0 = _mm_srai_epi16(in0, 6);
|
|
in1 = _mm_srai_epi16(in1, 6);
|
|
in2 = _mm_srai_epi16(in2, 6);
|
|
in3 = _mm_srai_epi16(in3, 6);
|
|
in4 = _mm_srai_epi16(in4, 6);
|
|
in5 = _mm_srai_epi16(in5, 6);
|
|
in6 = _mm_srai_epi16(in6, 6);
|
|
in7 = _mm_srai_epi16(in7, 6);
|
|
in8 = _mm_srai_epi16(in8, 6);
|
|
in9 = _mm_srai_epi16(in9, 6);
|
|
in10 = _mm_srai_epi16(in10, 6);
|
|
in11 = _mm_srai_epi16(in11, 6);
|
|
in12 = _mm_srai_epi16(in12, 6);
|
|
in13 = _mm_srai_epi16(in13, 6);
|
|
in14 = _mm_srai_epi16(in14, 6);
|
|
in15 = _mm_srai_epi16(in15, 6);
|
|
|
|
RECON_AND_STORE(dest, in0);
|
|
RECON_AND_STORE(dest, in1);
|
|
RECON_AND_STORE(dest, in2);
|
|
RECON_AND_STORE(dest, in3);
|
|
RECON_AND_STORE(dest, in4);
|
|
RECON_AND_STORE(dest, in5);
|
|
RECON_AND_STORE(dest, in6);
|
|
RECON_AND_STORE(dest, in7);
|
|
RECON_AND_STORE(dest, in8);
|
|
RECON_AND_STORE(dest, in9);
|
|
RECON_AND_STORE(dest, in10);
|
|
RECON_AND_STORE(dest, in11);
|
|
RECON_AND_STORE(dest, in12);
|
|
RECON_AND_STORE(dest, in13);
|
|
RECON_AND_STORE(dest, in14);
|
|
RECON_AND_STORE(dest, in15);
|
|
|
|
dest += 8 - (stride * 16);
|
|
}
|
|
}
|
|
}
|
|
|
|
void vp9_short_idct10_16x16_add_sse2(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 in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
|
|
in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
|
|
in10 = zero, in11 = zero, in12 = zero, in13 = zero,
|
|
in14 = zero, in15 = zero;
|
|
__m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
|
|
l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
|
|
l12 = zero, l13 = zero, l14 = zero, l15 = zero;
|
|
|
|
__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;
|
|
// 1-D idct. Load input data.
|
|
in0 = _mm_load_si128((__m128i *)input);
|
|
in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
|
|
in1 = _mm_load_si128((__m128i *)(input + 8 * 2));
|
|
in9 = _mm_load_si128((__m128i *)(input + 8 * 3));
|
|
in2 = _mm_load_si128((__m128i *)(input + 8 * 4));
|
|
in10 = _mm_load_si128((__m128i *)(input + 8 * 5));
|
|
in3 = _mm_load_si128((__m128i *)(input + 8 * 6));
|
|
in11 = _mm_load_si128((__m128i *)(input + 8 * 7));
|
|
|
|
TRANSPOSE_8X4(in0, in1, in2, in3, in0, in1, in2, in3);
|
|
TRANSPOSE_8X4(in8, in9, in10, in11, in8, in9, in10, in11);
|
|
|
|
// Stage2
|
|
{
|
|
const __m128i lo_1_15 = _mm_unpackhi_epi16(in0, in11);
|
|
const __m128i lo_9_7 = _mm_unpackhi_epi16(in8, in3);
|
|
const __m128i lo_5_11 = _mm_unpackhi_epi16(in2, in9);
|
|
const __m128i lo_13_3 = _mm_unpackhi_epi16(in10, in1);
|
|
|
|
tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
|
|
tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
|
|
tmp4 = _mm_madd_epi16(lo_9_7, stg2_2);
|
|
tmp6 = _mm_madd_epi16(lo_9_7, stg2_3);
|
|
tmp1 = _mm_madd_epi16(lo_5_11, stg2_4);
|
|
tmp3 = _mm_madd_epi16(lo_5_11, stg2_5);
|
|
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);
|
|
tmp4 = _mm_add_epi32(tmp4, rounding);
|
|
tmp6 = _mm_add_epi32(tmp6, 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);
|
|
tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
|
|
tmp6 = _mm_srai_epi32(tmp6, 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);
|
|
|
|
stp2_8 = _mm_packs_epi32(tmp0, zero);
|
|
stp2_15 = _mm_packs_epi32(tmp2, zero);
|
|
stp2_9 = _mm_packs_epi32(tmp4, zero);
|
|
stp2_14 = _mm_packs_epi32(tmp6, zero);
|
|
|
|
stp2_10 = _mm_packs_epi32(tmp1, zero);
|
|
stp2_13 = _mm_packs_epi32(tmp3, zero);
|
|
stp2_11 = _mm_packs_epi32(tmp5, zero);
|
|
stp2_12 = _mm_packs_epi32(tmp7, zero);
|
|
}
|
|
|
|
// Stage3
|
|
{
|
|
const __m128i lo_2_14 = _mm_unpacklo_epi16(in1, in11);
|
|
const __m128i lo_10_6 = _mm_unpacklo_epi16(in9, in3);
|
|
|
|
tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
|
|
tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
|
|
tmp4 = _mm_madd_epi16(lo_10_6, stg3_2);
|
|
tmp6 = _mm_madd_epi16(lo_10_6, stg3_3);
|
|
|
|
tmp0 = _mm_add_epi32(tmp0, rounding);
|
|
tmp2 = _mm_add_epi32(tmp2, rounding);
|
|
tmp4 = _mm_add_epi32(tmp4, rounding);
|
|
tmp6 = _mm_add_epi32(tmp6, rounding);
|
|
|
|
tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
|
|
tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
|
|
tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
|
|
tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
|
|
|
|
stp1_4 = _mm_packs_epi32(tmp0, zero);
|
|
stp1_7 = _mm_packs_epi32(tmp2, zero);
|
|
stp1_5 = _mm_packs_epi32(tmp4, zero);
|
|
stp1_6 = _mm_packs_epi32(tmp6, zero);
|
|
|
|
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(in0, in8);
|
|
const __m128i lo_4_12 = _mm_unpacklo_epi16(in2, in10);
|
|
const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
|
|
const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
|
|
|
|
tmp0 = _mm_madd_epi16(lo_0_8, stg4_0);
|
|
tmp2 = _mm_madd_epi16(lo_0_8, stg4_1);
|
|
tmp4 = _mm_madd_epi16(lo_4_12, stg4_2);
|
|
tmp6 = _mm_madd_epi16(lo_4_12, stg4_3);
|
|
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);
|
|
tmp4 = _mm_add_epi32(tmp4, rounding);
|
|
tmp6 = _mm_add_epi32(tmp6, 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);
|
|
tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
|
|
tmp6 = _mm_srai_epi32(tmp6, 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);
|
|
|
|
stp2_0 = _mm_packs_epi32(tmp0, zero);
|
|
stp2_1 = _mm_packs_epi32(tmp2, zero);
|
|
stp2_2 = _mm_packs_epi32(tmp4, zero);
|
|
stp2_3 = _mm_packs_epi32(tmp6, zero);
|
|
stp2_9 = _mm_packs_epi32(tmp1, zero);
|
|
stp2_14 = _mm_packs_epi32(tmp3, zero);
|
|
stp2_10 = _mm_packs_epi32(tmp5, zero);
|
|
stp2_13 = _mm_packs_epi32(tmp7, zero);
|
|
|
|
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);
|
|
}
|
|
|
|
// Stage5 and Stage6
|
|
{
|
|
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);
|
|
|
|
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_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5);
|
|
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_5 = _mm_packs_epi32(tmp1, zero);
|
|
stp1_6 = _mm_packs_epi32(tmp3, zero);
|
|
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);
|
|
|
|
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);
|
|
}
|
|
|
|
// Stage7. Left 8x16 only.
|
|
l0 = _mm_add_epi16(stp2_0, stp1_15);
|
|
l1 = _mm_add_epi16(stp2_1, stp1_14);
|
|
l2 = _mm_add_epi16(stp2_2, stp2_13);
|
|
l3 = _mm_add_epi16(stp2_3, stp2_12);
|
|
l4 = _mm_add_epi16(stp2_4, stp2_11);
|
|
l5 = _mm_add_epi16(stp2_5, stp2_10);
|
|
l6 = _mm_add_epi16(stp2_6, stp1_9);
|
|
l7 = _mm_add_epi16(stp2_7, stp1_8);
|
|
l8 = _mm_sub_epi16(stp2_7, stp1_8);
|
|
l9 = _mm_sub_epi16(stp2_6, stp1_9);
|
|
l10 = _mm_sub_epi16(stp2_5, stp2_10);
|
|
l11 = _mm_sub_epi16(stp2_4, stp2_11);
|
|
l12 = _mm_sub_epi16(stp2_3, stp2_12);
|
|
l13 = _mm_sub_epi16(stp2_2, stp2_13);
|
|
l14 = _mm_sub_epi16(stp2_1, stp1_14);
|
|
l15 = _mm_sub_epi16(stp2_0, stp1_15);
|
|
|
|
// 2-D idct. We do 2 8x16 blocks.
|
|
for (i = 0; i < 2; i++) {
|
|
if (i == 0)
|
|
TRANSPOSE_4X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
|
|
in5, in6, in7);
|
|
|
|
if (i == 1)
|
|
TRANSPOSE_4X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
|
|
in4, in5, in6, in7);
|
|
|
|
in8 = in9 = in10 = in11 = in12 = in13 = in14 = in15 = zero;
|
|
|
|
IDCT16x16_1D
|
|
|
|
// Stage7
|
|
in0 = _mm_add_epi16(stp2_0, stp1_15);
|
|
in1 = _mm_add_epi16(stp2_1, stp1_14);
|
|
in2 = _mm_add_epi16(stp2_2, stp2_13);
|
|
in3 = _mm_add_epi16(stp2_3, stp2_12);
|
|
in4 = _mm_add_epi16(stp2_4, stp2_11);
|
|
in5 = _mm_add_epi16(stp2_5, stp2_10);
|
|
in6 = _mm_add_epi16(stp2_6, stp1_9);
|
|
in7 = _mm_add_epi16(stp2_7, stp1_8);
|
|
in8 = _mm_sub_epi16(stp2_7, stp1_8);
|
|
in9 = _mm_sub_epi16(stp2_6, stp1_9);
|
|
in10 = _mm_sub_epi16(stp2_5, stp2_10);
|
|
in11 = _mm_sub_epi16(stp2_4, stp2_11);
|
|
in12 = _mm_sub_epi16(stp2_3, stp2_12);
|
|
in13 = _mm_sub_epi16(stp2_2, stp2_13);
|
|
in14 = _mm_sub_epi16(stp2_1, stp1_14);
|
|
in15 = _mm_sub_epi16(stp2_0, stp1_15);
|
|
|
|
// 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);
|
|
in8 = _mm_adds_epi16(in8, final_rounding);
|
|
in9 = _mm_adds_epi16(in9, final_rounding);
|
|
in10 = _mm_adds_epi16(in10, final_rounding);
|
|
in11 = _mm_adds_epi16(in11, final_rounding);
|
|
in12 = _mm_adds_epi16(in12, final_rounding);
|
|
in13 = _mm_adds_epi16(in13, final_rounding);
|
|
in14 = _mm_adds_epi16(in14, final_rounding);
|
|
in15 = _mm_adds_epi16(in15, final_rounding);
|
|
|
|
in0 = _mm_srai_epi16(in0, 6);
|
|
in1 = _mm_srai_epi16(in1, 6);
|
|
in2 = _mm_srai_epi16(in2, 6);
|
|
in3 = _mm_srai_epi16(in3, 6);
|
|
in4 = _mm_srai_epi16(in4, 6);
|
|
in5 = _mm_srai_epi16(in5, 6);
|
|
in6 = _mm_srai_epi16(in6, 6);
|
|
in7 = _mm_srai_epi16(in7, 6);
|
|
in8 = _mm_srai_epi16(in8, 6);
|
|
in9 = _mm_srai_epi16(in9, 6);
|
|
in10 = _mm_srai_epi16(in10, 6);
|
|
in11 = _mm_srai_epi16(in11, 6);
|
|
in12 = _mm_srai_epi16(in12, 6);
|
|
in13 = _mm_srai_epi16(in13, 6);
|
|
in14 = _mm_srai_epi16(in14, 6);
|
|
in15 = _mm_srai_epi16(in15, 6);
|
|
|
|
RECON_AND_STORE(dest, in0);
|
|
RECON_AND_STORE(dest, in1);
|
|
RECON_AND_STORE(dest, in2);
|
|
RECON_AND_STORE(dest, in3);
|
|
RECON_AND_STORE(dest, in4);
|
|
RECON_AND_STORE(dest, in5);
|
|
RECON_AND_STORE(dest, in6);
|
|
RECON_AND_STORE(dest, in7);
|
|
RECON_AND_STORE(dest, in8);
|
|
RECON_AND_STORE(dest, in9);
|
|
RECON_AND_STORE(dest, in10);
|
|
RECON_AND_STORE(dest, in11);
|
|
RECON_AND_STORE(dest, in12);
|
|
RECON_AND_STORE(dest, in13);
|
|
RECON_AND_STORE(dest, in14);
|
|
RECON_AND_STORE(dest, in15);
|
|
|
|
dest += 8 - (stride * 16);
|
|
}
|
|
}
|
|
|
|
void vp9_short_idct32x32_add_sse2(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 in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, in12,
|
|
in13, in14, in15, in16, in17, in18, in19, in20, in21, in22, in23,
|
|
in24, in25, in26, in27, in28, in29, in30, in31;
|
|
__m128i col[128];
|
|
__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;
|
|
|
|
// We work on a 8x32 block each time, and loop 8 times for 2-D 32x32 idct.
|
|
for (i = 0; i < 8; i++) {
|
|
if (i < 4) {
|
|
// First 1-D idct
|
|
// Load input data.
|
|
in0 = _mm_load_si128((__m128i *)input);
|
|
in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
|
|
in16 = _mm_load_si128((__m128i *)(input + 8 * 2));
|
|
in24 = _mm_load_si128((__m128i *)(input + 8 * 3));
|
|
in1 = _mm_load_si128((__m128i *)(input + 8 * 4));
|
|
in9 = _mm_load_si128((__m128i *)(input + 8 * 5));
|
|
in17 = _mm_load_si128((__m128i *)(input + 8 * 6));
|
|
in25 = _mm_load_si128((__m128i *)(input + 8 * 7));
|
|
in2 = _mm_load_si128((__m128i *)(input + 8 * 8));
|
|
in10 = _mm_load_si128((__m128i *)(input + 8 * 9));
|
|
in18 = _mm_load_si128((__m128i *)(input + 8 * 10));
|
|
in26 = _mm_load_si128((__m128i *)(input + 8 * 11));
|
|
in3 = _mm_load_si128((__m128i *)(input + 8 * 12));
|
|
in11 = _mm_load_si128((__m128i *)(input + 8 * 13));
|
|
in19 = _mm_load_si128((__m128i *)(input + 8 * 14));
|
|
in27 = _mm_load_si128((__m128i *)(input + 8 * 15));
|
|
|
|
in4 = _mm_load_si128((__m128i *)(input + 8 * 16));
|
|
in12 = _mm_load_si128((__m128i *)(input + 8 * 17));
|
|
in20 = _mm_load_si128((__m128i *)(input + 8 * 18));
|
|
in28 = _mm_load_si128((__m128i *)(input + 8 * 19));
|
|
in5 = _mm_load_si128((__m128i *)(input + 8 * 20));
|
|
in13 = _mm_load_si128((__m128i *)(input + 8 * 21));
|
|
in21 = _mm_load_si128((__m128i *)(input + 8 * 22));
|
|
in29 = _mm_load_si128((__m128i *)(input + 8 * 23));
|
|
in6 = _mm_load_si128((__m128i *)(input + 8 * 24));
|
|
in14 = _mm_load_si128((__m128i *)(input + 8 * 25));
|
|
in22 = _mm_load_si128((__m128i *)(input + 8 * 26));
|
|
in30 = _mm_load_si128((__m128i *)(input + 8 * 27));
|
|
in7 = _mm_load_si128((__m128i *)(input + 8 * 28));
|
|
in15 = _mm_load_si128((__m128i *)(input + 8 * 29));
|
|
in23 = _mm_load_si128((__m128i *)(input + 8 * 30));
|
|
in31 = _mm_load_si128((__m128i *)(input + 8 * 31));
|
|
|
|
input += 256;
|
|
|
|
// Transpose 32x8 block to 8x32 block
|
|
TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
|
|
in4, in5, in6, in7);
|
|
TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
|
|
in10, in11, in12, in13, in14, in15);
|
|
TRANSPOSE_8X8(in16, in17, in18, in19, in20, in21, in22, in23, in16, in17,
|
|
in18, in19, in20, in21, in22, in23);
|
|
TRANSPOSE_8X8(in24, in25, in26, in27, in28, in29, in30, in31, in24, in25,
|
|
in26, in27, in28, in29, in30, in31);
|
|
} else {
|
|
// Second 1-D idct
|
|
j = i - 4;
|
|
|
|
// Transpose 32x8 block to 8x32 block
|
|
TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
|
|
col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
|
|
col[j * 8 + 6], col[j * 8 + 7], in0, in1, in2, in3, in4,
|
|
in5, in6, in7);
|
|
j += 4;
|
|
TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
|
|
col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
|
|
col[j * 8 + 6], col[j * 8 + 7], in8, in9, in10,
|
|
in11, in12, in13, in14, in15);
|
|
j += 4;
|
|
TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
|
|
col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
|
|
col[j * 8 + 6], col[j * 8 + 7], in16, in17, in18,
|
|
in19, in20, in21, in22, in23);
|
|
j += 4;
|
|
TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
|
|
col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
|
|
col[j * 8 + 6], col[j * 8 + 7], in24, in25, in26, in27,
|
|
in28, in29, in30, in31);
|
|
}
|
|
|
|
// Stage1
|
|
{
|
|
const __m128i lo_1_31 = _mm_unpacklo_epi16(in1, in31);
|
|
const __m128i hi_1_31 = _mm_unpackhi_epi16(in1, in31);
|
|
const __m128i lo_17_15 = _mm_unpacklo_epi16(in17, in15);
|
|
const __m128i hi_17_15 = _mm_unpackhi_epi16(in17, in15);
|
|
|
|
const __m128i lo_9_23 = _mm_unpacklo_epi16(in9, in23);
|
|
const __m128i hi_9_23 = _mm_unpackhi_epi16(in9, in23);
|
|
const __m128i lo_25_7= _mm_unpacklo_epi16(in25, in7);
|
|
const __m128i hi_25_7 = _mm_unpackhi_epi16(in25, in7);
|
|
|
|
const __m128i lo_5_27 = _mm_unpacklo_epi16(in5, in27);
|
|
const __m128i hi_5_27 = _mm_unpackhi_epi16(in5, in27);
|
|
const __m128i lo_21_11 = _mm_unpacklo_epi16(in21, in11);
|
|
const __m128i hi_21_11 = _mm_unpackhi_epi16(in21, in11);
|
|
|
|
const __m128i lo_13_19 = _mm_unpacklo_epi16(in13, in19);
|
|
const __m128i hi_13_19 = _mm_unpackhi_epi16(in13, in19);
|
|
const __m128i lo_29_3 = _mm_unpacklo_epi16(in29, in3);
|
|
const __m128i hi_29_3 = _mm_unpackhi_epi16(in29, in3);
|
|
|
|
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(in2, in30);
|
|
const __m128i hi_2_30 = _mm_unpackhi_epi16(in2, in30);
|
|
const __m128i lo_18_14 = _mm_unpacklo_epi16(in18, in14);
|
|
const __m128i hi_18_14 = _mm_unpackhi_epi16(in18, in14);
|
|
|
|
const __m128i lo_10_22 = _mm_unpacklo_epi16(in10, in22);
|
|
const __m128i hi_10_22 = _mm_unpackhi_epi16(in10, in22);
|
|
const __m128i lo_26_6 = _mm_unpacklo_epi16(in26, in6);
|
|
const __m128i hi_26_6 = _mm_unpackhi_epi16(in26, in6);
|
|
|
|
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(in4, in28);
|
|
const __m128i hi_4_28 = _mm_unpackhi_epi16(in4, in28);
|
|
const __m128i lo_20_12 = _mm_unpacklo_epi16(in20, in12);
|
|
const __m128i hi_20_12 = _mm_unpackhi_epi16(in20, in12);
|
|
|
|
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(in0, in16);
|
|
const __m128i hi_0_16 = _mm_unpackhi_epi16(in0, in16);
|
|
const __m128i lo_8_24 = _mm_unpacklo_epi16(in8, in24);
|
|
const __m128i hi_8_24 = _mm_unpackhi_epi16(in8, in24);
|
|
|
|
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;
|
|
}
|
|
|
|
// final stage
|
|
if (i < 4) {
|
|
// 1_D: Store 32 intermediate results for each 8x32 block.
|
|
col[i * 32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
|
|
col[i * 32 + 1] = _mm_add_epi16(stp1_1, stp1_30);
|
|
col[i * 32 + 2] = _mm_add_epi16(stp1_2, stp1_29);
|
|
col[i * 32 + 3] = _mm_add_epi16(stp1_3, stp1_28);
|
|
col[i * 32 + 4] = _mm_add_epi16(stp1_4, stp1_27);
|
|
col[i * 32 + 5] = _mm_add_epi16(stp1_5, stp1_26);
|
|
col[i * 32 + 6] = _mm_add_epi16(stp1_6, stp1_25);
|
|
col[i * 32 + 7] = _mm_add_epi16(stp1_7, stp1_24);
|
|
col[i * 32 + 8] = _mm_add_epi16(stp1_8, stp1_23);
|
|
col[i * 32 + 9] = _mm_add_epi16(stp1_9, stp1_22);
|
|
col[i * 32 + 10] = _mm_add_epi16(stp1_10, stp1_21);
|
|
col[i * 32 + 11] = _mm_add_epi16(stp1_11, stp1_20);
|
|
col[i * 32 + 12] = _mm_add_epi16(stp1_12, stp1_19);
|
|
col[i * 32 + 13] = _mm_add_epi16(stp1_13, stp1_18);
|
|
col[i * 32 + 14] = _mm_add_epi16(stp1_14, stp1_17);
|
|
col[i * 32 + 15] = _mm_add_epi16(stp1_15, stp1_16);
|
|
col[i * 32 + 16] = _mm_sub_epi16(stp1_15, stp1_16);
|
|
col[i * 32 + 17] = _mm_sub_epi16(stp1_14, stp1_17);
|
|
col[i * 32 + 18] = _mm_sub_epi16(stp1_13, stp1_18);
|
|
col[i * 32 + 19] = _mm_sub_epi16(stp1_12, stp1_19);
|
|
col[i * 32 + 20] = _mm_sub_epi16(stp1_11, stp1_20);
|
|
col[i * 32 + 21] = _mm_sub_epi16(stp1_10, stp1_21);
|
|
col[i * 32 + 22] = _mm_sub_epi16(stp1_9, stp1_22);
|
|
col[i * 32 + 23] = _mm_sub_epi16(stp1_8, stp1_23);
|
|
col[i * 32 + 24] = _mm_sub_epi16(stp1_7, stp1_24);
|
|
col[i * 32 + 25] = _mm_sub_epi16(stp1_6, stp1_25);
|
|
col[i * 32 + 26] = _mm_sub_epi16(stp1_5, stp1_26);
|
|
col[i * 32 + 27] = _mm_sub_epi16(stp1_4, stp1_27);
|
|
col[i * 32 + 28] = _mm_sub_epi16(stp1_3, stp1_28);
|
|
col[i * 32 + 29] = _mm_sub_epi16(stp1_2, stp1_29);
|
|
col[i * 32 + 30] = _mm_sub_epi16(stp1_1, stp1_30);
|
|
col[i * 32 + 31] = _mm_sub_epi16(stp1_0, stp1_31);
|
|
} else {
|
|
const __m128i zero = _mm_setzero_si128();
|
|
|
|
// 2_D: Calculate the results and store them to destination.
|
|
in0 = _mm_add_epi16(stp1_0, stp1_31);
|
|
in1 = _mm_add_epi16(stp1_1, stp1_30);
|
|
in2 = _mm_add_epi16(stp1_2, stp1_29);
|
|
in3 = _mm_add_epi16(stp1_3, stp1_28);
|
|
in4 = _mm_add_epi16(stp1_4, stp1_27);
|
|
in5 = _mm_add_epi16(stp1_5, stp1_26);
|
|
in6 = _mm_add_epi16(stp1_6, stp1_25);
|
|
in7 = _mm_add_epi16(stp1_7, stp1_24);
|
|
in8 = _mm_add_epi16(stp1_8, stp1_23);
|
|
in9 = _mm_add_epi16(stp1_9, stp1_22);
|
|
in10 = _mm_add_epi16(stp1_10, stp1_21);
|
|
in11 = _mm_add_epi16(stp1_11, stp1_20);
|
|
in12 = _mm_add_epi16(stp1_12, stp1_19);
|
|
in13 = _mm_add_epi16(stp1_13, stp1_18);
|
|
in14 = _mm_add_epi16(stp1_14, stp1_17);
|
|
in15 = _mm_add_epi16(stp1_15, stp1_16);
|
|
in16 = _mm_sub_epi16(stp1_15, stp1_16);
|
|
in17 = _mm_sub_epi16(stp1_14, stp1_17);
|
|
in18 = _mm_sub_epi16(stp1_13, stp1_18);
|
|
in19 = _mm_sub_epi16(stp1_12, stp1_19);
|
|
in20 = _mm_sub_epi16(stp1_11, stp1_20);
|
|
in21 = _mm_sub_epi16(stp1_10, stp1_21);
|
|
in22 = _mm_sub_epi16(stp1_9, stp1_22);
|
|
in23 = _mm_sub_epi16(stp1_8, stp1_23);
|
|
in24 = _mm_sub_epi16(stp1_7, stp1_24);
|
|
in25 = _mm_sub_epi16(stp1_6, stp1_25);
|
|
in26 = _mm_sub_epi16(stp1_5, stp1_26);
|
|
in27 = _mm_sub_epi16(stp1_4, stp1_27);
|
|
in28 = _mm_sub_epi16(stp1_3, stp1_28);
|
|
in29 = _mm_sub_epi16(stp1_2, stp1_29);
|
|
in30 = _mm_sub_epi16(stp1_1, stp1_30);
|
|
in31 = _mm_sub_epi16(stp1_0, stp1_31);
|
|
|
|
// 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);
|
|
in8 = _mm_adds_epi16(in8, final_rounding);
|
|
in9 = _mm_adds_epi16(in9, final_rounding);
|
|
in10 = _mm_adds_epi16(in10, final_rounding);
|
|
in11 = _mm_adds_epi16(in11, final_rounding);
|
|
in12 = _mm_adds_epi16(in12, final_rounding);
|
|
in13 = _mm_adds_epi16(in13, final_rounding);
|
|
in14 = _mm_adds_epi16(in14, final_rounding);
|
|
in15 = _mm_adds_epi16(in15, final_rounding);
|
|
in16 = _mm_adds_epi16(in16, final_rounding);
|
|
in17 = _mm_adds_epi16(in17, final_rounding);
|
|
in18 = _mm_adds_epi16(in18, final_rounding);
|
|
in19 = _mm_adds_epi16(in19, final_rounding);
|
|
in20 = _mm_adds_epi16(in20, final_rounding);
|
|
in21 = _mm_adds_epi16(in21, final_rounding);
|
|
in22 = _mm_adds_epi16(in22, final_rounding);
|
|
in23 = _mm_adds_epi16(in23, final_rounding);
|
|
in24 = _mm_adds_epi16(in24, final_rounding);
|
|
in25 = _mm_adds_epi16(in25, final_rounding);
|
|
in26 = _mm_adds_epi16(in26, final_rounding);
|
|
in27 = _mm_adds_epi16(in27, final_rounding);
|
|
in28 = _mm_adds_epi16(in28, final_rounding);
|
|
in29 = _mm_adds_epi16(in29, final_rounding);
|
|
in30 = _mm_adds_epi16(in30, final_rounding);
|
|
in31 = _mm_adds_epi16(in31, final_rounding);
|
|
|
|
in0 = _mm_srai_epi16(in0, 6);
|
|
in1 = _mm_srai_epi16(in1, 6);
|
|
in2 = _mm_srai_epi16(in2, 6);
|
|
in3 = _mm_srai_epi16(in3, 6);
|
|
in4 = _mm_srai_epi16(in4, 6);
|
|
in5 = _mm_srai_epi16(in5, 6);
|
|
in6 = _mm_srai_epi16(in6, 6);
|
|
in7 = _mm_srai_epi16(in7, 6);
|
|
in8 = _mm_srai_epi16(in8, 6);
|
|
in9 = _mm_srai_epi16(in9, 6);
|
|
in10 = _mm_srai_epi16(in10, 6);
|
|
in11 = _mm_srai_epi16(in11, 6);
|
|
in12 = _mm_srai_epi16(in12, 6);
|
|
in13 = _mm_srai_epi16(in13, 6);
|
|
in14 = _mm_srai_epi16(in14, 6);
|
|
in15 = _mm_srai_epi16(in15, 6);
|
|
in16 = _mm_srai_epi16(in16, 6);
|
|
in17 = _mm_srai_epi16(in17, 6);
|
|
in18 = _mm_srai_epi16(in18, 6);
|
|
in19 = _mm_srai_epi16(in19, 6);
|
|
in20 = _mm_srai_epi16(in20, 6);
|
|
in21 = _mm_srai_epi16(in21, 6);
|
|
in22 = _mm_srai_epi16(in22, 6);
|
|
in23 = _mm_srai_epi16(in23, 6);
|
|
in24 = _mm_srai_epi16(in24, 6);
|
|
in25 = _mm_srai_epi16(in25, 6);
|
|
in26 = _mm_srai_epi16(in26, 6);
|
|
in27 = _mm_srai_epi16(in27, 6);
|
|
in28 = _mm_srai_epi16(in28, 6);
|
|
in29 = _mm_srai_epi16(in29, 6);
|
|
in30 = _mm_srai_epi16(in30, 6);
|
|
in31 = _mm_srai_epi16(in31, 6);
|
|
|
|
RECON_AND_STORE(dest, in0);
|
|
RECON_AND_STORE(dest, in1);
|
|
RECON_AND_STORE(dest, in2);
|
|
RECON_AND_STORE(dest, in3);
|
|
RECON_AND_STORE(dest, in4);
|
|
RECON_AND_STORE(dest, in5);
|
|
RECON_AND_STORE(dest, in6);
|
|
RECON_AND_STORE(dest, in7);
|
|
RECON_AND_STORE(dest, in8);
|
|
RECON_AND_STORE(dest, in9);
|
|
RECON_AND_STORE(dest, in10);
|
|
RECON_AND_STORE(dest, in11);
|
|
RECON_AND_STORE(dest, in12);
|
|
RECON_AND_STORE(dest, in13);
|
|
RECON_AND_STORE(dest, in14);
|
|
RECON_AND_STORE(dest, in15);
|
|
RECON_AND_STORE(dest, in16);
|
|
RECON_AND_STORE(dest, in17);
|
|
RECON_AND_STORE(dest, in18);
|
|
RECON_AND_STORE(dest, in19);
|
|
RECON_AND_STORE(dest, in20);
|
|
RECON_AND_STORE(dest, in21);
|
|
RECON_AND_STORE(dest, in22);
|
|
RECON_AND_STORE(dest, in23);
|
|
RECON_AND_STORE(dest, in24);
|
|
RECON_AND_STORE(dest, in25);
|
|
RECON_AND_STORE(dest, in26);
|
|
RECON_AND_STORE(dest, in27);
|
|
RECON_AND_STORE(dest, in28);
|
|
RECON_AND_STORE(dest, in29);
|
|
RECON_AND_STORE(dest, in30);
|
|
RECON_AND_STORE(dest, in31);
|
|
|
|
dest += 8 - (stride * 32);
|
|
}
|
|
}
|
|
}
|