17bc9febe8749e98a3812a0dc4380ceae75c29450Johann/* 27bc9febe8749e98a3812a0dc4380ceae75c29450Johann * Copyright (c) 2016 The WebM project authors. All Rights Reserved. 37bc9febe8749e98a3812a0dc4380ceae75c29450Johann * 47bc9febe8749e98a3812a0dc4380ceae75c29450Johann * Use of this source code is governed by a BSD-style license 57bc9febe8749e98a3812a0dc4380ceae75c29450Johann * that can be found in the LICENSE file in the root of the source 67bc9febe8749e98a3812a0dc4380ceae75c29450Johann * tree. An additional intellectual property rights grant can be found 77bc9febe8749e98a3812a0dc4380ceae75c29450Johann * in the file PATENTS. All contributing project authors may 87bc9febe8749e98a3812a0dc4380ceae75c29450Johann * be found in the AUTHORS file in the root of the source tree. 97bc9febe8749e98a3812a0dc4380ceae75c29450Johann */ 107bc9febe8749e98a3812a0dc4380ceae75c29450Johann 117bc9febe8749e98a3812a0dc4380ceae75c29450Johann#include <arm_neon.h> 127bc9febe8749e98a3812a0dc4380ceae75c29450Johann 137bc9febe8749e98a3812a0dc4380ceae75c29450Johann#include "./vpx_config.h" 147bc9febe8749e98a3812a0dc4380ceae75c29450Johann#include "./vpx_dsp_rtcd.h" 157bc9febe8749e98a3812a0dc4380ceae75c29450Johann#include "vpx_dsp/arm/idct_neon.h" 160a39d0a697ff3603e8c100300fda363658e10b23James Zern#include "vpx_dsp/arm/mem_neon.h" 177bc9febe8749e98a3812a0dc4380ceae75c29450Johann#include "vpx_dsp/arm/transpose_neon.h" 187bc9febe8749e98a3812a0dc4380ceae75c29450Johann#include "vpx_dsp/txfm_common.h" 197bc9febe8749e98a3812a0dc4380ceae75c29450Johann 207bc9febe8749e98a3812a0dc4380ceae75c29450Johannstatic INLINE void load_8x8_s16(const tran_low_t *input, int16x8_t *const in0, 217bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16x8_t *const in1, int16x8_t *const in2, 227bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16x8_t *const in3, int16x8_t *const in4, 237bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16x8_t *const in5, int16x8_t *const in6, 247bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16x8_t *const in7) { 257bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in0 = load_tran_low_to_s16q(input); 267bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 277bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in1 = load_tran_low_to_s16q(input); 287bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 297bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in2 = load_tran_low_to_s16q(input); 307bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 317bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in3 = load_tran_low_to_s16q(input); 327bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 337bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in4 = load_tran_low_to_s16q(input); 347bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 357bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in5 = load_tran_low_to_s16q(input); 367bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 377bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in6 = load_tran_low_to_s16q(input); 387bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 397bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in7 = load_tran_low_to_s16q(input); 407bc9febe8749e98a3812a0dc4380ceae75c29450Johann} 417bc9febe8749e98a3812a0dc4380ceae75c29450Johann 427bc9febe8749e98a3812a0dc4380ceae75c29450Johannstatic INLINE void load_4x8_s16(const tran_low_t *input, int16x4_t *const in0, 437bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16x4_t *const in1, int16x4_t *const in2, 447bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16x4_t *const in3, int16x4_t *const in4, 457bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16x4_t *const in5, int16x4_t *const in6, 467bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16x4_t *const in7) { 477bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in0 = load_tran_low_to_s16d(input); 487bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 497bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in1 = load_tran_low_to_s16d(input); 507bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 517bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in2 = load_tran_low_to_s16d(input); 527bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 537bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in3 = load_tran_low_to_s16d(input); 547bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 557bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in4 = load_tran_low_to_s16d(input); 567bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 577bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in5 = load_tran_low_to_s16d(input); 587bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 597bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in6 = load_tran_low_to_s16d(input); 607bc9febe8749e98a3812a0dc4380ceae75c29450Johann input += 32; 617bc9febe8749e98a3812a0dc4380ceae75c29450Johann *in7 = load_tran_low_to_s16d(input); 627bc9febe8749e98a3812a0dc4380ceae75c29450Johann} 637bc9febe8749e98a3812a0dc4380ceae75c29450Johann 647bc9febe8749e98a3812a0dc4380ceae75c29450Johann// Only for the first pass of the _135_ variant. Since it only uses values from 657bc9febe8749e98a3812a0dc4380ceae75c29450Johann// the top left 16x16 it can safely assume all the remaining values are 0 and 667bc9febe8749e98a3812a0dc4380ceae75c29450Johann// skip an awful lot of calculations. In fact, only the first 12 columns make 677bc9febe8749e98a3812a0dc4380ceae75c29450Johann// the cut. None of the elements in the 13th, 14th, 15th or 16th columns are 687bc9febe8749e98a3812a0dc4380ceae75c29450Johann// used so it skips any calls to input[12|13|14|15] too. 697bc9febe8749e98a3812a0dc4380ceae75c29450Johann// In C this does a single row of 32 for each call. Here it transposes the top 707bc9febe8749e98a3812a0dc4380ceae75c29450Johann// left 12x8 to allow using SIMD. 717bc9febe8749e98a3812a0dc4380ceae75c29450Johann 727bc9febe8749e98a3812a0dc4380ceae75c29450Johann// vp9/common/vp9_scan.c:vp9_default_iscan_32x32 arranges the first 135 non-zero 737bc9febe8749e98a3812a0dc4380ceae75c29450Johann// coefficients as follows: 747bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 757bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 0 0 2 5 10 17 25 38 47 62 83 101 121 767bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 1 1 4 8 15 22 30 45 58 74 92 112 133 777bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 2 3 7 12 18 28 36 52 64 82 102 118 787bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 3 6 11 16 23 31 43 60 73 90 109 126 797bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 4 9 14 19 29 37 50 65 78 98 116 134 807bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 5 13 20 26 35 44 54 72 85 105 123 817bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 6 21 27 33 42 53 63 80 94 113 132 827bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 7 24 32 39 48 57 71 88 104 120 837bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 8 34 40 46 56 68 81 96 111 130 847bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 9 41 49 55 67 77 91 107 124 857bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 10 51 59 66 76 89 99 119 131 867bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 11 61 69 75 87 100 114 129 877bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 12 70 79 86 97 108 122 887bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 13 84 93 103 110 125 897bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 14 98 106 115 127 907bc9febe8749e98a3812a0dc4380ceae75c29450Johann// 15 117 128 910a39d0a697ff3603e8c100300fda363658e10b23James Zernvoid vpx_idct32_12_neon(const tran_low_t *const input, int16_t *output) { 920a39d0a697ff3603e8c100300fda363658e10b23James Zern int16x4_t tmp[8]; 930a39d0a697ff3603e8c100300fda363658e10b23James Zern int16x8_t in[12], s1[32], s2[32], s3[32], s4[32], s5[32], s6[32], s7[32]; 940a39d0a697ff3603e8c100300fda363658e10b23James Zern 950a39d0a697ff3603e8c100300fda363658e10b23James Zern load_8x8_s16(input, &in[0], &in[1], &in[2], &in[3], &in[4], &in[5], &in[6], 960a39d0a697ff3603e8c100300fda363658e10b23James Zern &in[7]); 970a39d0a697ff3603e8c100300fda363658e10b23James Zern transpose_s16_8x8(&in[0], &in[1], &in[2], &in[3], &in[4], &in[5], &in[6], 980a39d0a697ff3603e8c100300fda363658e10b23James Zern &in[7]); 990a39d0a697ff3603e8c100300fda363658e10b23James Zern 1000a39d0a697ff3603e8c100300fda363658e10b23James Zern load_4x8_s16(input + 8, &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5], 1010a39d0a697ff3603e8c100300fda363658e10b23James Zern &tmp[6], &tmp[7]); 1020a39d0a697ff3603e8c100300fda363658e10b23James Zern transpose_s16_4x8(tmp[0], tmp[1], tmp[2], tmp[3], tmp[4], tmp[5], tmp[6], 1030a39d0a697ff3603e8c100300fda363658e10b23James Zern tmp[7], &in[8], &in[9], &in[10], &in[11]); 1047bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1057bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 1 1060a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[16] = multiply_shift_and_narrow_s16(in[1], cospi_31_64); 1070a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[31] = multiply_shift_and_narrow_s16(in[1], cospi_1_64); 1087bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1090a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[18] = multiply_shift_and_narrow_s16(in[9], cospi_23_64); 1100a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[29] = multiply_shift_and_narrow_s16(in[9], cospi_9_64); 1117bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1120a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[19] = multiply_shift_and_narrow_s16(in[7], -cospi_25_64); 1130a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[28] = multiply_shift_and_narrow_s16(in[7], cospi_7_64); 1147bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1150a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[20] = multiply_shift_and_narrow_s16(in[5], cospi_27_64); 1160a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[27] = multiply_shift_and_narrow_s16(in[5], cospi_5_64); 1177bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1180a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[21] = multiply_shift_and_narrow_s16(in[11], -cospi_21_64); 1190a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[26] = multiply_shift_and_narrow_s16(in[11], cospi_11_64); 1207bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1210a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[23] = multiply_shift_and_narrow_s16(in[3], -cospi_29_64); 1220a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[24] = multiply_shift_and_narrow_s16(in[3], cospi_3_64); 1237bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1247bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 2 1250a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[8] = multiply_shift_and_narrow_s16(in[2], cospi_30_64); 1260a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[15] = multiply_shift_and_narrow_s16(in[2], cospi_2_64); 1277bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1280a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[10] = multiply_shift_and_narrow_s16(in[10], cospi_22_64); 1290a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[13] = multiply_shift_and_narrow_s16(in[10], cospi_10_64); 1307bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1310a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[11] = multiply_shift_and_narrow_s16(in[6], -cospi_26_64); 1320a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[12] = multiply_shift_and_narrow_s16(in[6], cospi_6_64); 1337bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1340a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[18] = vsubq_s16(s1[19], s1[18]); 1350a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[19] = vaddq_s16(s1[18], s1[19]); 1360a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[20] = vaddq_s16(s1[20], s1[21]); 1370a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[21] = vsubq_s16(s1[20], s1[21]); 1380a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[26] = vsubq_s16(s1[27], s1[26]); 1390a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[27] = vaddq_s16(s1[26], s1[27]); 1400a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[28] = vaddq_s16(s1[28], s1[29]); 1410a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[29] = vsubq_s16(s1[28], s1[29]); 1427bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1437bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 3 1440a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[4] = multiply_shift_and_narrow_s16(in[4], cospi_28_64); 1450a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[7] = multiply_shift_and_narrow_s16(in[4], cospi_4_64); 1460a39d0a697ff3603e8c100300fda363658e10b23James Zern 1470a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[10] = vsubq_s16(s2[11], s2[10]); 1480a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[11] = vaddq_s16(s2[10], s2[11]); 1490a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[12] = vaddq_s16(s2[12], s2[13]); 1500a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[13] = vsubq_s16(s2[12], s2[13]); 1510a39d0a697ff3603e8c100300fda363658e10b23James Zern 1520a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[17] = multiply_accumulate_shift_and_narrow_s16(s1[16], -cospi_4_64, s1[31], 1530a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_28_64); 1540a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[30] = multiply_accumulate_shift_and_narrow_s16(s1[16], cospi_28_64, s1[31], 1550a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_4_64); 1560a39d0a697ff3603e8c100300fda363658e10b23James Zern 1570a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[18] = multiply_accumulate_shift_and_narrow_s16(s2[18], -cospi_28_64, 1580a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[29], -cospi_4_64); 1590a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[29] = multiply_accumulate_shift_and_narrow_s16(s2[18], -cospi_4_64, s2[29], 1600a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_28_64); 1610a39d0a697ff3603e8c100300fda363658e10b23James Zern 1620a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[21] = multiply_accumulate_shift_and_narrow_s16(s2[21], -cospi_20_64, 1630a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[26], cospi_12_64); 1640a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[26] = multiply_accumulate_shift_and_narrow_s16(s2[21], cospi_12_64, s2[26], 1650a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_20_64); 1660a39d0a697ff3603e8c100300fda363658e10b23James Zern 1670a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[22] = multiply_accumulate_shift_and_narrow_s16(s1[23], -cospi_12_64, 1680a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[24], -cospi_20_64); 1690a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[25] = multiply_accumulate_shift_and_narrow_s16(s1[23], -cospi_20_64, 1700a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[24], cospi_12_64); 1717bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1727bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 4 1730a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[0] = multiply_shift_and_narrow_s16(in[0], cospi_16_64); 1740a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[2] = multiply_shift_and_narrow_s16(in[8], cospi_24_64); 1750a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[3] = multiply_shift_and_narrow_s16(in[8], cospi_8_64); 1767bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1770a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[9] = multiply_accumulate_shift_and_narrow_s16(s2[8], -cospi_8_64, s2[15], 1787bc9febe8749e98a3812a0dc4380ceae75c29450Johann cospi_24_64); 1790a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[14] = multiply_accumulate_shift_and_narrow_s16(s2[8], cospi_24_64, s2[15], 1800a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_8_64); 1810a39d0a697ff3603e8c100300fda363658e10b23James Zern 1820a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[10] = multiply_accumulate_shift_and_narrow_s16(s3[10], -cospi_24_64, 1830a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[13], -cospi_8_64); 1840a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[13] = multiply_accumulate_shift_and_narrow_s16(s3[10], -cospi_8_64, s3[13], 1850a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 1860a39d0a697ff3603e8c100300fda363658e10b23James Zern 1870a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[16] = vaddq_s16(s1[16], s2[19]); 1880a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[17] = vaddq_s16(s3[17], s3[18]); 1890a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[18] = vsubq_s16(s3[17], s3[18]); 1900a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[19] = vsubq_s16(s1[16], s2[19]); 1910a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[20] = vsubq_s16(s1[23], s2[20]); 1920a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[21] = vsubq_s16(s3[22], s3[21]); 1930a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[22] = vaddq_s16(s3[21], s3[22]); 1940a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[23] = vaddq_s16(s2[20], s1[23]); 1950a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[24] = vaddq_s16(s1[24], s2[27]); 1960a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[25] = vaddq_s16(s3[25], s3[26]); 1970a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[26] = vsubq_s16(s3[25], s3[26]); 1980a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[27] = vsubq_s16(s1[24], s2[27]); 1990a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[28] = vsubq_s16(s1[31], s2[28]); 2000a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[29] = vsubq_s16(s3[30], s3[29]); 2010a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[30] = vaddq_s16(s3[29], s3[30]); 2020a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[31] = vaddq_s16(s2[28], s1[31]); 2037bc9febe8749e98a3812a0dc4380ceae75c29450Johann 2040a39d0a697ff3603e8c100300fda363658e10b23James Zern // stage 5 2050a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[0] = vaddq_s16(s4[0], s4[3]); 2060a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[1] = vaddq_s16(s4[0], s4[2]); 2070a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[2] = vsubq_s16(s4[0], s4[2]); 2080a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[3] = vsubq_s16(s4[0], s4[3]); 2090a39d0a697ff3603e8c100300fda363658e10b23James Zern 2100a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[5] = sub_multiply_shift_and_narrow_s16(s3[7], s3[4], cospi_16_64); 2110a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[6] = add_multiply_shift_and_narrow_s16(s3[4], s3[7], cospi_16_64); 2120a39d0a697ff3603e8c100300fda363658e10b23James Zern 2130a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[8] = vaddq_s16(s2[8], s3[11]); 2140a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[9] = vaddq_s16(s4[9], s4[10]); 2150a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[10] = vsubq_s16(s4[9], s4[10]); 2160a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[11] = vsubq_s16(s2[8], s3[11]); 2170a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[12] = vsubq_s16(s2[15], s3[12]); 2180a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[13] = vsubq_s16(s4[14], s4[13]); 2190a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[14] = vaddq_s16(s4[13], s4[14]); 2200a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[15] = vaddq_s16(s2[15], s3[12]); 2210a39d0a697ff3603e8c100300fda363658e10b23James Zern 2220a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[18] = multiply_accumulate_shift_and_narrow_s16(s4[18], -cospi_8_64, s4[29], 2230a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 2240a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[29] = multiply_accumulate_shift_and_narrow_s16(s4[18], cospi_24_64, s4[29], 2250a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_8_64); 2260a39d0a697ff3603e8c100300fda363658e10b23James Zern 2270a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[19] = multiply_accumulate_shift_and_narrow_s16(s4[19], -cospi_8_64, s4[28], 2280a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 2290a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[28] = multiply_accumulate_shift_and_narrow_s16(s4[19], cospi_24_64, s4[28], 2300a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_8_64); 2310a39d0a697ff3603e8c100300fda363658e10b23James Zern 2320a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[20] = multiply_accumulate_shift_and_narrow_s16(s4[20], -cospi_24_64, 2330a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[27], -cospi_8_64); 2340a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[27] = multiply_accumulate_shift_and_narrow_s16(s4[20], -cospi_8_64, s4[27], 2350a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 2360a39d0a697ff3603e8c100300fda363658e10b23James Zern 2370a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[21] = multiply_accumulate_shift_and_narrow_s16(s4[21], -cospi_24_64, 2380a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[26], -cospi_8_64); 2390a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[26] = multiply_accumulate_shift_and_narrow_s16(s4[21], -cospi_8_64, s4[26], 2400a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 2417bc9febe8749e98a3812a0dc4380ceae75c29450Johann 2427bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 6 2430a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[0] = vaddq_s16(s5[0], s3[7]); 2440a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[1] = vaddq_s16(s5[1], s5[6]); 2450a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[2] = vaddq_s16(s5[2], s5[5]); 2460a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[3] = vaddq_s16(s5[3], s3[4]); 2470a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[4] = vsubq_s16(s5[3], s3[4]); 2480a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[5] = vsubq_s16(s5[2], s5[5]); 2490a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[6] = vsubq_s16(s5[1], s5[6]); 2500a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[7] = vsubq_s16(s5[0], s3[7]); 2510a39d0a697ff3603e8c100300fda363658e10b23James Zern 2520a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[10] = sub_multiply_shift_and_narrow_s16(s5[13], s5[10], cospi_16_64); 2530a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[13] = add_multiply_shift_and_narrow_s16(s5[10], s5[13], cospi_16_64); 2540a39d0a697ff3603e8c100300fda363658e10b23James Zern 2550a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[11] = sub_multiply_shift_and_narrow_s16(s5[12], s5[11], cospi_16_64); 2560a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[12] = add_multiply_shift_and_narrow_s16(s5[11], s5[12], cospi_16_64); 2570a39d0a697ff3603e8c100300fda363658e10b23James Zern 2580a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[16] = vaddq_s16(s4[16], s4[23]); 2590a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[17] = vaddq_s16(s4[17], s4[22]); 2600a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[18] = vaddq_s16(s5[18], s5[21]); 2610a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[19] = vaddq_s16(s5[19], s5[20]); 2620a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[20] = vsubq_s16(s5[19], s5[20]); 2630a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[21] = vsubq_s16(s5[18], s5[21]); 2640a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[22] = vsubq_s16(s4[17], s4[22]); 2650a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[23] = vsubq_s16(s4[16], s4[23]); 2660a39d0a697ff3603e8c100300fda363658e10b23James Zern 2670a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[24] = vsubq_s16(s4[31], s4[24]); 2680a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[25] = vsubq_s16(s4[30], s4[25]); 2690a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[26] = vsubq_s16(s5[29], s5[26]); 2700a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[27] = vsubq_s16(s5[28], s5[27]); 2710a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[28] = vaddq_s16(s5[27], s5[28]); 2720a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[29] = vaddq_s16(s5[26], s5[29]); 2730a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[30] = vaddq_s16(s4[25], s4[30]); 2740a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[31] = vaddq_s16(s4[24], s4[31]); 2757bc9febe8749e98a3812a0dc4380ceae75c29450Johann 2767bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 7 2770a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[0] = vaddq_s16(s6[0], s5[15]); 2780a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[1] = vaddq_s16(s6[1], s5[14]); 2790a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[2] = vaddq_s16(s6[2], s6[13]); 2800a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[3] = vaddq_s16(s6[3], s6[12]); 2810a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[4] = vaddq_s16(s6[4], s6[11]); 2820a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[5] = vaddq_s16(s6[5], s6[10]); 2830a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[6] = vaddq_s16(s6[6], s5[9]); 2840a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[7] = vaddq_s16(s6[7], s5[8]); 2850a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[8] = vsubq_s16(s6[7], s5[8]); 2860a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[9] = vsubq_s16(s6[6], s5[9]); 2870a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[10] = vsubq_s16(s6[5], s6[10]); 2880a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[11] = vsubq_s16(s6[4], s6[11]); 2890a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[12] = vsubq_s16(s6[3], s6[12]); 2900a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[13] = vsubq_s16(s6[2], s6[13]); 2910a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[14] = vsubq_s16(s6[1], s5[14]); 2920a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[15] = vsubq_s16(s6[0], s5[15]); 2930a39d0a697ff3603e8c100300fda363658e10b23James Zern 2940a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[20] = sub_multiply_shift_and_narrow_s16(s6[27], s6[20], cospi_16_64); 2950a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[27] = add_multiply_shift_and_narrow_s16(s6[20], s6[27], cospi_16_64); 2960a39d0a697ff3603e8c100300fda363658e10b23James Zern 2970a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[21] = sub_multiply_shift_and_narrow_s16(s6[26], s6[21], cospi_16_64); 2980a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[26] = add_multiply_shift_and_narrow_s16(s6[21], s6[26], cospi_16_64); 2990a39d0a697ff3603e8c100300fda363658e10b23James Zern 3000a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[22] = sub_multiply_shift_and_narrow_s16(s6[25], s6[22], cospi_16_64); 3010a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[25] = add_multiply_shift_and_narrow_s16(s6[22], s6[25], cospi_16_64); 3020a39d0a697ff3603e8c100300fda363658e10b23James Zern 3030a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[23] = sub_multiply_shift_and_narrow_s16(s6[24], s6[23], cospi_16_64); 3040a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[24] = add_multiply_shift_and_narrow_s16(s6[23], s6[24], cospi_16_64); 3057bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3067bc9febe8749e98a3812a0dc4380ceae75c29450Johann // final stage 3070a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[0], s6[31])); 3087bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3090a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[1], s6[30])); 3107bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3110a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[2], s6[29])); 3127bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3130a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[3], s6[28])); 3147bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3150a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[4], s7[27])); 3167bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3170a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[5], s7[26])); 3187bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3190a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[6], s7[25])); 3207bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3210a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[7], s7[24])); 3227bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3237bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3240a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[8], s7[23])); 3257bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3260a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[9], s7[22])); 3277bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3280a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[10], s7[21])); 3297bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3300a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[11], s7[20])); 3317bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3320a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[12], s6[19])); 3337bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3340a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[13], s6[18])); 3357bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3360a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[14], s6[17])); 3377bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3380a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vaddq_s16(s7[15], s6[16])); 3397bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3407bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3410a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[15], s6[16])); 3427bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3430a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[14], s6[17])); 3447bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3450a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[13], s6[18])); 3467bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3470a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[12], s6[19])); 3487bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3490a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[11], s7[20])); 3507bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3510a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[10], s7[21])); 3527bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3530a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[9], s7[22])); 3547bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3550a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[8], s7[23])); 3567bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3577bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3580a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[7], s7[24])); 3597bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3600a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[6], s7[25])); 3617bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3620a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[5], s7[26])); 3637bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3640a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[4], s7[27])); 3657bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3660a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[3], s6[28])); 3677bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3680a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[2], s6[29])); 3697bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3700a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[1], s6[30])); 3717bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3720a39d0a697ff3603e8c100300fda363658e10b23James Zern vst1q_s16(output, vsubq_s16(s7[0], s6[31])); 3737bc9febe8749e98a3812a0dc4380ceae75c29450Johann} 3747bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3750a39d0a697ff3603e8c100300fda363658e10b23James Zernvoid vpx_idct32_16_neon(const int16_t *const input, void *const output, 3760a39d0a697ff3603e8c100300fda363658e10b23James Zern const int stride, const int highbd_flag) { 3770a39d0a697ff3603e8c100300fda363658e10b23James Zern int16x8_t in[16], s1[32], s2[32], s3[32], s4[32], s5[32], s6[32], s7[32], 3780a39d0a697ff3603e8c100300fda363658e10b23James Zern out[32]; 3790a39d0a697ff3603e8c100300fda363658e10b23James Zern 3800a39d0a697ff3603e8c100300fda363658e10b23James Zern load_and_transpose_s16_8x8(input, 16, &in[0], &in[1], &in[2], &in[3], &in[4], 3810a39d0a697ff3603e8c100300fda363658e10b23James Zern &in[5], &in[6], &in[7]); 3820a39d0a697ff3603e8c100300fda363658e10b23James Zern 3830a39d0a697ff3603e8c100300fda363658e10b23James Zern load_and_transpose_s16_8x8(input + 8, 16, &in[8], &in[9], &in[10], &in[11], 3840a39d0a697ff3603e8c100300fda363658e10b23James Zern &in[12], &in[13], &in[14], &in[15]); 3857bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3867bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 1 3870a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[16] = multiply_shift_and_narrow_s16(in[1], cospi_31_64); 3880a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[31] = multiply_shift_and_narrow_s16(in[1], cospi_1_64); 3897bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3900a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[17] = multiply_shift_and_narrow_s16(in[15], -cospi_17_64); 3910a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[30] = multiply_shift_and_narrow_s16(in[15], cospi_15_64); 3927bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3930a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[18] = multiply_shift_and_narrow_s16(in[9], cospi_23_64); 3940a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[29] = multiply_shift_and_narrow_s16(in[9], cospi_9_64); 3957bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3960a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[19] = multiply_shift_and_narrow_s16(in[7], -cospi_25_64); 3970a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[28] = multiply_shift_and_narrow_s16(in[7], cospi_7_64); 3987bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3990a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[20] = multiply_shift_and_narrow_s16(in[5], cospi_27_64); 4000a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[27] = multiply_shift_and_narrow_s16(in[5], cospi_5_64); 4017bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4020a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[21] = multiply_shift_and_narrow_s16(in[11], -cospi_21_64); 4030a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[26] = multiply_shift_and_narrow_s16(in[11], cospi_11_64); 4047bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4050a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[22] = multiply_shift_and_narrow_s16(in[13], cospi_19_64); 4060a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[25] = multiply_shift_and_narrow_s16(in[13], cospi_13_64); 4077bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4080a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[23] = multiply_shift_and_narrow_s16(in[3], -cospi_29_64); 4090a39d0a697ff3603e8c100300fda363658e10b23James Zern s1[24] = multiply_shift_and_narrow_s16(in[3], cospi_3_64); 4107bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4117bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 2 4120a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[8] = multiply_shift_and_narrow_s16(in[2], cospi_30_64); 4130a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[15] = multiply_shift_and_narrow_s16(in[2], cospi_2_64); 4140a39d0a697ff3603e8c100300fda363658e10b23James Zern 4150a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[9] = multiply_shift_and_narrow_s16(in[14], -cospi_18_64); 4160a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[14] = multiply_shift_and_narrow_s16(in[14], cospi_14_64); 4170a39d0a697ff3603e8c100300fda363658e10b23James Zern 4180a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[10] = multiply_shift_and_narrow_s16(in[10], cospi_22_64); 4190a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[13] = multiply_shift_and_narrow_s16(in[10], cospi_10_64); 4200a39d0a697ff3603e8c100300fda363658e10b23James Zern 4210a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[11] = multiply_shift_and_narrow_s16(in[6], -cospi_26_64); 4220a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[12] = multiply_shift_and_narrow_s16(in[6], cospi_6_64); 4230a39d0a697ff3603e8c100300fda363658e10b23James Zern 4240a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[16] = vaddq_s16(s1[16], s1[17]); 4250a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[17] = vsubq_s16(s1[16], s1[17]); 4260a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[18] = vsubq_s16(s1[19], s1[18]); 4270a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[19] = vaddq_s16(s1[18], s1[19]); 4280a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[20] = vaddq_s16(s1[20], s1[21]); 4290a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[21] = vsubq_s16(s1[20], s1[21]); 4300a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[22] = vsubq_s16(s1[23], s1[22]); 4310a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[23] = vaddq_s16(s1[22], s1[23]); 4320a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[24] = vaddq_s16(s1[24], s1[25]); 4330a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[25] = vsubq_s16(s1[24], s1[25]); 4340a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[26] = vsubq_s16(s1[27], s1[26]); 4350a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[27] = vaddq_s16(s1[26], s1[27]); 4360a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[28] = vaddq_s16(s1[28], s1[29]); 4370a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[29] = vsubq_s16(s1[28], s1[29]); 4380a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[30] = vsubq_s16(s1[31], s1[30]); 4390a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[31] = vaddq_s16(s1[30], s1[31]); 4407bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4417bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 3 4420a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[4] = multiply_shift_and_narrow_s16(in[4], cospi_28_64); 4430a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[7] = multiply_shift_and_narrow_s16(in[4], cospi_4_64); 4440a39d0a697ff3603e8c100300fda363658e10b23James Zern 4450a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[5] = multiply_shift_and_narrow_s16(in[12], -cospi_20_64); 4460a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[6] = multiply_shift_and_narrow_s16(in[12], cospi_12_64); 4470a39d0a697ff3603e8c100300fda363658e10b23James Zern 4480a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[8] = vaddq_s16(s2[8], s2[9]); 4490a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[9] = vsubq_s16(s2[8], s2[9]); 4500a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[10] = vsubq_s16(s2[11], s2[10]); 4510a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[11] = vaddq_s16(s2[10], s2[11]); 4520a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[12] = vaddq_s16(s2[12], s2[13]); 4530a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[13] = vsubq_s16(s2[12], s2[13]); 4540a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[14] = vsubq_s16(s2[15], s2[14]); 4550a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[15] = vaddq_s16(s2[14], s2[15]); 4560a39d0a697ff3603e8c100300fda363658e10b23James Zern 4570a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[17] = multiply_accumulate_shift_and_narrow_s16(s2[17], -cospi_4_64, s2[30], 4580a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_28_64); 4590a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[30] = multiply_accumulate_shift_and_narrow_s16(s2[17], cospi_28_64, s2[30], 4600a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_4_64); 4610a39d0a697ff3603e8c100300fda363658e10b23James Zern 4620a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[18] = multiply_accumulate_shift_and_narrow_s16(s2[18], -cospi_28_64, 4630a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[29], -cospi_4_64); 4640a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[29] = multiply_accumulate_shift_and_narrow_s16(s2[18], -cospi_4_64, s2[29], 4650a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_28_64); 4660a39d0a697ff3603e8c100300fda363658e10b23James Zern 4670a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[21] = multiply_accumulate_shift_and_narrow_s16(s2[21], -cospi_20_64, 4680a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[26], cospi_12_64); 4690a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[26] = multiply_accumulate_shift_and_narrow_s16(s2[21], cospi_12_64, s2[26], 4700a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_20_64); 4710a39d0a697ff3603e8c100300fda363658e10b23James Zern 4720a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[22] = multiply_accumulate_shift_and_narrow_s16(s2[22], -cospi_12_64, 4730a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[25], -cospi_20_64); 4740a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[25] = multiply_accumulate_shift_and_narrow_s16(s2[22], -cospi_20_64, 4750a39d0a697ff3603e8c100300fda363658e10b23James Zern s2[25], cospi_12_64); 4767bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4777bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 4 4780a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[0] = multiply_shift_and_narrow_s16(in[0], cospi_16_64); 4790a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[2] = multiply_shift_and_narrow_s16(in[8], cospi_24_64); 4800a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[3] = multiply_shift_and_narrow_s16(in[8], cospi_8_64); 4817bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4820a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[4] = vaddq_s16(s3[4], s3[5]); 4830a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[5] = vsubq_s16(s3[4], s3[5]); 4840a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[6] = vsubq_s16(s3[7], s3[6]); 4850a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[7] = vaddq_s16(s3[6], s3[7]); 4867bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4870a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[9] = multiply_accumulate_shift_and_narrow_s16(s3[9], -cospi_8_64, s3[14], 4887bc9febe8749e98a3812a0dc4380ceae75c29450Johann cospi_24_64); 4890a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[14] = multiply_accumulate_shift_and_narrow_s16(s3[9], cospi_24_64, s3[14], 4900a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_8_64); 4910a39d0a697ff3603e8c100300fda363658e10b23James Zern 4920a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[10] = multiply_accumulate_shift_and_narrow_s16(s3[10], -cospi_24_64, 4930a39d0a697ff3603e8c100300fda363658e10b23James Zern s3[13], -cospi_8_64); 4940a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[13] = multiply_accumulate_shift_and_narrow_s16(s3[10], -cospi_8_64, s3[13], 4950a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 4960a39d0a697ff3603e8c100300fda363658e10b23James Zern 4970a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[16] = vaddq_s16(s2[16], s2[19]); 4980a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[17] = vaddq_s16(s3[17], s3[18]); 4990a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[18] = vsubq_s16(s3[17], s3[18]); 5000a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[19] = vsubq_s16(s2[16], s2[19]); 5010a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[20] = vsubq_s16(s2[23], s2[20]); 5020a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[21] = vsubq_s16(s3[22], s3[21]); 5030a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[22] = vaddq_s16(s3[21], s3[22]); 5040a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[23] = vaddq_s16(s2[20], s2[23]); 5050a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[24] = vaddq_s16(s2[24], s2[27]); 5060a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[25] = vaddq_s16(s3[25], s3[26]); 5070a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[26] = vsubq_s16(s3[25], s3[26]); 5080a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[27] = vsubq_s16(s2[24], s2[27]); 5090a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[28] = vsubq_s16(s2[31], s2[28]); 5100a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[29] = vsubq_s16(s3[30], s3[29]); 5110a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[30] = vaddq_s16(s3[29], s3[30]); 5120a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[31] = vaddq_s16(s2[28], s2[31]); 5137bc9febe8749e98a3812a0dc4380ceae75c29450Johann 5140a39d0a697ff3603e8c100300fda363658e10b23James Zern // stage 5 5150a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[0] = vaddq_s16(s4[0], s4[3]); 5160a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[1] = vaddq_s16(s4[0], s4[2]); 5170a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[2] = vsubq_s16(s4[0], s4[2]); 5180a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[3] = vsubq_s16(s4[0], s4[3]); 5190a39d0a697ff3603e8c100300fda363658e10b23James Zern 5200a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[5] = sub_multiply_shift_and_narrow_s16(s4[6], s4[5], cospi_16_64); 5210a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[6] = add_multiply_shift_and_narrow_s16(s4[5], s4[6], cospi_16_64); 5220a39d0a697ff3603e8c100300fda363658e10b23James Zern 5230a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[8] = vaddq_s16(s3[8], s3[11]); 5240a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[9] = vaddq_s16(s4[9], s4[10]); 5250a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[10] = vsubq_s16(s4[9], s4[10]); 5260a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[11] = vsubq_s16(s3[8], s3[11]); 5270a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[12] = vsubq_s16(s3[15], s3[12]); 5280a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[13] = vsubq_s16(s4[14], s4[13]); 5290a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[14] = vaddq_s16(s4[13], s4[14]); 5300a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[15] = vaddq_s16(s3[15], s3[12]); 5310a39d0a697ff3603e8c100300fda363658e10b23James Zern 5320a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[18] = multiply_accumulate_shift_and_narrow_s16(s4[18], -cospi_8_64, s4[29], 5330a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 5340a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[29] = multiply_accumulate_shift_and_narrow_s16(s4[18], cospi_24_64, s4[29], 5350a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_8_64); 5360a39d0a697ff3603e8c100300fda363658e10b23James Zern 5370a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[19] = multiply_accumulate_shift_and_narrow_s16(s4[19], -cospi_8_64, s4[28], 5380a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 5390a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[28] = multiply_accumulate_shift_and_narrow_s16(s4[19], cospi_24_64, s4[28], 5400a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_8_64); 5410a39d0a697ff3603e8c100300fda363658e10b23James Zern 5420a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[20] = multiply_accumulate_shift_and_narrow_s16(s4[20], -cospi_24_64, 5430a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[27], -cospi_8_64); 5440a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[27] = multiply_accumulate_shift_and_narrow_s16(s4[20], -cospi_8_64, s4[27], 5450a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 5460a39d0a697ff3603e8c100300fda363658e10b23James Zern 5470a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[21] = multiply_accumulate_shift_and_narrow_s16(s4[21], -cospi_24_64, 5480a39d0a697ff3603e8c100300fda363658e10b23James Zern s4[26], -cospi_8_64); 5490a39d0a697ff3603e8c100300fda363658e10b23James Zern s5[26] = multiply_accumulate_shift_and_narrow_s16(s4[21], -cospi_8_64, s4[26], 5500a39d0a697ff3603e8c100300fda363658e10b23James Zern cospi_24_64); 5517bc9febe8749e98a3812a0dc4380ceae75c29450Johann 5527bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 6 5530a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[0] = vaddq_s16(s5[0], s4[7]); 5540a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[1] = vaddq_s16(s5[1], s5[6]); 5550a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[2] = vaddq_s16(s5[2], s5[5]); 5560a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[3] = vaddq_s16(s5[3], s4[4]); 5570a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[4] = vsubq_s16(s5[3], s4[4]); 5580a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[5] = vsubq_s16(s5[2], s5[5]); 5590a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[6] = vsubq_s16(s5[1], s5[6]); 5600a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[7] = vsubq_s16(s5[0], s4[7]); 5610a39d0a697ff3603e8c100300fda363658e10b23James Zern 5620a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[10] = sub_multiply_shift_and_narrow_s16(s5[13], s5[10], cospi_16_64); 5630a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[13] = add_multiply_shift_and_narrow_s16(s5[10], s5[13], cospi_16_64); 5640a39d0a697ff3603e8c100300fda363658e10b23James Zern 5650a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[11] = sub_multiply_shift_and_narrow_s16(s5[12], s5[11], cospi_16_64); 5660a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[12] = add_multiply_shift_and_narrow_s16(s5[11], s5[12], cospi_16_64); 5670a39d0a697ff3603e8c100300fda363658e10b23James Zern 5680a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[16] = vaddq_s16(s4[16], s4[23]); 5690a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[17] = vaddq_s16(s4[17], s4[22]); 5700a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[18] = vaddq_s16(s5[18], s5[21]); 5710a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[19] = vaddq_s16(s5[19], s5[20]); 5720a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[20] = vsubq_s16(s5[19], s5[20]); 5730a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[21] = vsubq_s16(s5[18], s5[21]); 5740a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[22] = vsubq_s16(s4[17], s4[22]); 5750a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[23] = vsubq_s16(s4[16], s4[23]); 5760a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[24] = vsubq_s16(s4[31], s4[24]); 5770a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[25] = vsubq_s16(s4[30], s4[25]); 5780a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[26] = vsubq_s16(s5[29], s5[26]); 5790a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[27] = vsubq_s16(s5[28], s5[27]); 5800a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[28] = vaddq_s16(s5[27], s5[28]); 5810a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[29] = vaddq_s16(s5[26], s5[29]); 5820a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[30] = vaddq_s16(s4[25], s4[30]); 5830a39d0a697ff3603e8c100300fda363658e10b23James Zern s6[31] = vaddq_s16(s4[24], s4[31]); 5847bc9febe8749e98a3812a0dc4380ceae75c29450Johann 5857bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 7 5860a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[0] = vaddq_s16(s6[0], s5[15]); 5870a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[1] = vaddq_s16(s6[1], s5[14]); 5880a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[2] = vaddq_s16(s6[2], s6[13]); 5890a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[3] = vaddq_s16(s6[3], s6[12]); 5900a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[4] = vaddq_s16(s6[4], s6[11]); 5910a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[5] = vaddq_s16(s6[5], s6[10]); 5920a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[6] = vaddq_s16(s6[6], s5[9]); 5930a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[7] = vaddq_s16(s6[7], s5[8]); 5940a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[8] = vsubq_s16(s6[7], s5[8]); 5950a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[9] = vsubq_s16(s6[6], s5[9]); 5960a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[10] = vsubq_s16(s6[5], s6[10]); 5970a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[11] = vsubq_s16(s6[4], s6[11]); 5980a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[12] = vsubq_s16(s6[3], s6[12]); 5990a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[13] = vsubq_s16(s6[2], s6[13]); 6000a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[14] = vsubq_s16(s6[1], s5[14]); 6010a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[15] = vsubq_s16(s6[0], s5[15]); 6020a39d0a697ff3603e8c100300fda363658e10b23James Zern 6030a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[20] = sub_multiply_shift_and_narrow_s16(s6[27], s6[20], cospi_16_64); 6040a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[27] = add_multiply_shift_and_narrow_s16(s6[20], s6[27], cospi_16_64); 6050a39d0a697ff3603e8c100300fda363658e10b23James Zern 6060a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[21] = sub_multiply_shift_and_narrow_s16(s6[26], s6[21], cospi_16_64); 6070a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[26] = add_multiply_shift_and_narrow_s16(s6[21], s6[26], cospi_16_64); 6080a39d0a697ff3603e8c100300fda363658e10b23James Zern 6090a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[22] = sub_multiply_shift_and_narrow_s16(s6[25], s6[22], cospi_16_64); 6100a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[25] = add_multiply_shift_and_narrow_s16(s6[22], s6[25], cospi_16_64); 6110a39d0a697ff3603e8c100300fda363658e10b23James Zern 6120a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[23] = sub_multiply_shift_and_narrow_s16(s6[24], s6[23], cospi_16_64); 6130a39d0a697ff3603e8c100300fda363658e10b23James Zern s7[24] = add_multiply_shift_and_narrow_s16(s6[23], s6[24], cospi_16_64); 6147bc9febe8749e98a3812a0dc4380ceae75c29450Johann 6157bc9febe8749e98a3812a0dc4380ceae75c29450Johann // final stage 6160a39d0a697ff3603e8c100300fda363658e10b23James Zern out[0] = final_add(s7[0], s6[31]); 6170a39d0a697ff3603e8c100300fda363658e10b23James Zern out[1] = final_add(s7[1], s6[30]); 6180a39d0a697ff3603e8c100300fda363658e10b23James Zern out[2] = final_add(s7[2], s6[29]); 6190a39d0a697ff3603e8c100300fda363658e10b23James Zern out[3] = final_add(s7[3], s6[28]); 6200a39d0a697ff3603e8c100300fda363658e10b23James Zern out[4] = final_add(s7[4], s7[27]); 6210a39d0a697ff3603e8c100300fda363658e10b23James Zern out[5] = final_add(s7[5], s7[26]); 6220a39d0a697ff3603e8c100300fda363658e10b23James Zern out[6] = final_add(s7[6], s7[25]); 6230a39d0a697ff3603e8c100300fda363658e10b23James Zern out[7] = final_add(s7[7], s7[24]); 6240a39d0a697ff3603e8c100300fda363658e10b23James Zern out[8] = final_add(s7[8], s7[23]); 6250a39d0a697ff3603e8c100300fda363658e10b23James Zern out[9] = final_add(s7[9], s7[22]); 6260a39d0a697ff3603e8c100300fda363658e10b23James Zern out[10] = final_add(s7[10], s7[21]); 6270a39d0a697ff3603e8c100300fda363658e10b23James Zern out[11] = final_add(s7[11], s7[20]); 6280a39d0a697ff3603e8c100300fda363658e10b23James Zern out[12] = final_add(s7[12], s6[19]); 6290a39d0a697ff3603e8c100300fda363658e10b23James Zern out[13] = final_add(s7[13], s6[18]); 6300a39d0a697ff3603e8c100300fda363658e10b23James Zern out[14] = final_add(s7[14], s6[17]); 6310a39d0a697ff3603e8c100300fda363658e10b23James Zern out[15] = final_add(s7[15], s6[16]); 6320a39d0a697ff3603e8c100300fda363658e10b23James Zern out[16] = final_sub(s7[15], s6[16]); 6330a39d0a697ff3603e8c100300fda363658e10b23James Zern out[17] = final_sub(s7[14], s6[17]); 6340a39d0a697ff3603e8c100300fda363658e10b23James Zern out[18] = final_sub(s7[13], s6[18]); 6350a39d0a697ff3603e8c100300fda363658e10b23James Zern out[19] = final_sub(s7[12], s6[19]); 6360a39d0a697ff3603e8c100300fda363658e10b23James Zern out[20] = final_sub(s7[11], s7[20]); 6370a39d0a697ff3603e8c100300fda363658e10b23James Zern out[21] = final_sub(s7[10], s7[21]); 6380a39d0a697ff3603e8c100300fda363658e10b23James Zern out[22] = final_sub(s7[9], s7[22]); 6390a39d0a697ff3603e8c100300fda363658e10b23James Zern out[23] = final_sub(s7[8], s7[23]); 6400a39d0a697ff3603e8c100300fda363658e10b23James Zern out[24] = final_sub(s7[7], s7[24]); 6410a39d0a697ff3603e8c100300fda363658e10b23James Zern out[25] = final_sub(s7[6], s7[25]); 6420a39d0a697ff3603e8c100300fda363658e10b23James Zern out[26] = final_sub(s7[5], s7[26]); 6430a39d0a697ff3603e8c100300fda363658e10b23James Zern out[27] = final_sub(s7[4], s7[27]); 6440a39d0a697ff3603e8c100300fda363658e10b23James Zern out[28] = final_sub(s7[3], s6[28]); 6450a39d0a697ff3603e8c100300fda363658e10b23James Zern out[29] = final_sub(s7[2], s6[29]); 6460a39d0a697ff3603e8c100300fda363658e10b23James Zern out[30] = final_sub(s7[1], s6[30]); 6470a39d0a697ff3603e8c100300fda363658e10b23James Zern out[31] = final_sub(s7[0], s6[31]); 6480a39d0a697ff3603e8c100300fda363658e10b23James Zern 6490a39d0a697ff3603e8c100300fda363658e10b23James Zern if (highbd_flag) { 6500a39d0a697ff3603e8c100300fda363658e10b23James Zern highbd_add_and_store_bd8(out, output, stride); 6510a39d0a697ff3603e8c100300fda363658e10b23James Zern } else { 6520a39d0a697ff3603e8c100300fda363658e10b23James Zern uint8_t *const outputT = (uint8_t *)output; 6530a39d0a697ff3603e8c100300fda363658e10b23James Zern add_and_store_u8_s16(out[0], out[1], out[2], out[3], out[4], out[5], out[6], 6540a39d0a697ff3603e8c100300fda363658e10b23James Zern out[7], outputT, stride); 6550a39d0a697ff3603e8c100300fda363658e10b23James Zern add_and_store_u8_s16(out[8], out[9], out[10], out[11], out[12], out[13], 6560a39d0a697ff3603e8c100300fda363658e10b23James Zern out[14], out[15], outputT + (8 * stride), stride); 6570a39d0a697ff3603e8c100300fda363658e10b23James Zern add_and_store_u8_s16(out[16], out[17], out[18], out[19], out[20], out[21], 6580a39d0a697ff3603e8c100300fda363658e10b23James Zern out[22], out[23], outputT + (16 * stride), stride); 6590a39d0a697ff3603e8c100300fda363658e10b23James Zern add_and_store_u8_s16(out[24], out[25], out[26], out[27], out[28], out[29], 6600a39d0a697ff3603e8c100300fda363658e10b23James Zern out[30], out[31], outputT + (24 * stride), stride); 6610a39d0a697ff3603e8c100300fda363658e10b23James Zern } 6627bc9febe8749e98a3812a0dc4380ceae75c29450Johann} 6637bc9febe8749e98a3812a0dc4380ceae75c29450Johann 6647bc9febe8749e98a3812a0dc4380ceae75c29450Johannvoid vpx_idct32x32_135_add_neon(const tran_low_t *input, uint8_t *dest, 6657bc9febe8749e98a3812a0dc4380ceae75c29450Johann int stride) { 6667bc9febe8749e98a3812a0dc4380ceae75c29450Johann int i; 6677bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16_t temp[32 * 16]; 6687bc9febe8749e98a3812a0dc4380ceae75c29450Johann int16_t *t = temp; 6697bc9febe8749e98a3812a0dc4380ceae75c29450Johann 6700a39d0a697ff3603e8c100300fda363658e10b23James Zern vpx_idct32_12_neon(input, temp); 6710a39d0a697ff3603e8c100300fda363658e10b23James Zern vpx_idct32_12_neon(input + 32 * 8, temp + 8); 6727bc9febe8749e98a3812a0dc4380ceae75c29450Johann 6737bc9febe8749e98a3812a0dc4380ceae75c29450Johann for (i = 0; i < 32; i += 8) { 6740a39d0a697ff3603e8c100300fda363658e10b23James Zern vpx_idct32_16_neon(t, dest, stride, 0); 6757bc9febe8749e98a3812a0dc4380ceae75c29450Johann t += (16 * 8); 6767bc9febe8749e98a3812a0dc4380ceae75c29450Johann dest += 8; 6777bc9febe8749e98a3812a0dc4380ceae75c29450Johann } 6787bc9febe8749e98a3812a0dc4380ceae75c29450Johann} 679