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" 168b92989c89bec8632aa47dc58dc162f199d62edcJames 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 918b92989c89bec8632aa47dc58dc162f199d62edcJames Zernvoid vpx_idct32_12_neon(const tran_low_t *const input, int16_t *output) { 928b92989c89bec8632aa47dc58dc162f199d62edcJames Zern int16x4_t tmp[8]; 938b92989c89bec8632aa47dc58dc162f199d62edcJames Zern int16x8_t in[12], s1[32], s2[32], s3[32], s4[32], s5[32], s6[32], s7[32]; 948b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 958b92989c89bec8632aa47dc58dc162f199d62edcJames Zern load_8x8_s16(input, &in[0], &in[1], &in[2], &in[3], &in[4], &in[5], &in[6], 968b92989c89bec8632aa47dc58dc162f199d62edcJames Zern &in[7]); 978b92989c89bec8632aa47dc58dc162f199d62edcJames Zern transpose_s16_8x8(&in[0], &in[1], &in[2], &in[3], &in[4], &in[5], &in[6], 988b92989c89bec8632aa47dc58dc162f199d62edcJames Zern &in[7]); 998b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 1008b92989c89bec8632aa47dc58dc162f199d62edcJames Zern load_4x8_s16(input + 8, &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5], 1018b92989c89bec8632aa47dc58dc162f199d62edcJames Zern &tmp[6], &tmp[7]); 1028b92989c89bec8632aa47dc58dc162f199d62edcJames Zern transpose_s16_4x8(tmp[0], tmp[1], tmp[2], tmp[3], tmp[4], tmp[5], tmp[6], 1038b92989c89bec8632aa47dc58dc162f199d62edcJames Zern tmp[7], &in[8], &in[9], &in[10], &in[11]); 1047bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1057bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 1 1068b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[16] = multiply_shift_and_narrow_s16(in[1], cospi_31_64); 1078b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[31] = multiply_shift_and_narrow_s16(in[1], cospi_1_64); 1087bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1098b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[18] = multiply_shift_and_narrow_s16(in[9], cospi_23_64); 1108b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[29] = multiply_shift_and_narrow_s16(in[9], cospi_9_64); 1117bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1128b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[19] = multiply_shift_and_narrow_s16(in[7], -cospi_25_64); 1138b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[28] = multiply_shift_and_narrow_s16(in[7], cospi_7_64); 1147bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1158b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[20] = multiply_shift_and_narrow_s16(in[5], cospi_27_64); 1168b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[27] = multiply_shift_and_narrow_s16(in[5], cospi_5_64); 1177bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1188b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[21] = multiply_shift_and_narrow_s16(in[11], -cospi_21_64); 1198b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[26] = multiply_shift_and_narrow_s16(in[11], cospi_11_64); 1207bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1218b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[23] = multiply_shift_and_narrow_s16(in[3], -cospi_29_64); 1228b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[24] = multiply_shift_and_narrow_s16(in[3], cospi_3_64); 1237bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1247bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 2 1258b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[8] = multiply_shift_and_narrow_s16(in[2], cospi_30_64); 1268b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[15] = multiply_shift_and_narrow_s16(in[2], cospi_2_64); 1277bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1288b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[10] = multiply_shift_and_narrow_s16(in[10], cospi_22_64); 1298b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[13] = multiply_shift_and_narrow_s16(in[10], cospi_10_64); 1307bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1318b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[11] = multiply_shift_and_narrow_s16(in[6], -cospi_26_64); 1328b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[12] = multiply_shift_and_narrow_s16(in[6], cospi_6_64); 1337bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1348b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[18] = vsubq_s16(s1[19], s1[18]); 1358b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[19] = vaddq_s16(s1[18], s1[19]); 1368b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[20] = vaddq_s16(s1[20], s1[21]); 1378b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[21] = vsubq_s16(s1[20], s1[21]); 1388b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[26] = vsubq_s16(s1[27], s1[26]); 1398b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[27] = vaddq_s16(s1[26], s1[27]); 1408b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[28] = vaddq_s16(s1[28], s1[29]); 1418b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[29] = vsubq_s16(s1[28], s1[29]); 1427bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1437bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 3 1448b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[4] = multiply_shift_and_narrow_s16(in[4], cospi_28_64); 1458b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[7] = multiply_shift_and_narrow_s16(in[4], cospi_4_64); 1468b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 1478b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[10] = vsubq_s16(s2[11], s2[10]); 1488b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[11] = vaddq_s16(s2[10], s2[11]); 1498b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[12] = vaddq_s16(s2[12], s2[13]); 1508b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[13] = vsubq_s16(s2[12], s2[13]); 1518b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 1528b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[17] = multiply_accumulate_shift_and_narrow_s16(s1[16], -cospi_4_64, s1[31], 1538b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_28_64); 1548b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[30] = multiply_accumulate_shift_and_narrow_s16(s1[16], cospi_28_64, s1[31], 1558b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_4_64); 1568b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 1578b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[18] = multiply_accumulate_shift_and_narrow_s16(s2[18], -cospi_28_64, 1588b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[29], -cospi_4_64); 1598b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[29] = multiply_accumulate_shift_and_narrow_s16(s2[18], -cospi_4_64, s2[29], 1608b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_28_64); 1618b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 1628b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[21] = multiply_accumulate_shift_and_narrow_s16(s2[21], -cospi_20_64, 1638b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[26], cospi_12_64); 1648b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[26] = multiply_accumulate_shift_and_narrow_s16(s2[21], cospi_12_64, s2[26], 1658b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_20_64); 1668b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 1678b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[22] = multiply_accumulate_shift_and_narrow_s16(s1[23], -cospi_12_64, 1688b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[24], -cospi_20_64); 1698b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[25] = multiply_accumulate_shift_and_narrow_s16(s1[23], -cospi_20_64, 1708b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[24], cospi_12_64); 1717bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1727bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 4 1738b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[0] = multiply_shift_and_narrow_s16(in[0], cospi_16_64); 1748b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[2] = multiply_shift_and_narrow_s16(in[8], cospi_24_64); 1758b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[3] = multiply_shift_and_narrow_s16(in[8], cospi_8_64); 1767bc9febe8749e98a3812a0dc4380ceae75c29450Johann 1778b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[9] = multiply_accumulate_shift_and_narrow_s16(s2[8], -cospi_8_64, s2[15], 1787bc9febe8749e98a3812a0dc4380ceae75c29450Johann cospi_24_64); 1798b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[14] = multiply_accumulate_shift_and_narrow_s16(s2[8], cospi_24_64, s2[15], 1808b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_8_64); 1818b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 1828b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[10] = multiply_accumulate_shift_and_narrow_s16(s3[10], -cospi_24_64, 1838b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[13], -cospi_8_64); 1848b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[13] = multiply_accumulate_shift_and_narrow_s16(s3[10], -cospi_8_64, s3[13], 1858b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 1868b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 1878b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[16] = vaddq_s16(s1[16], s2[19]); 1888b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[17] = vaddq_s16(s3[17], s3[18]); 1898b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[18] = vsubq_s16(s3[17], s3[18]); 1908b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[19] = vsubq_s16(s1[16], s2[19]); 1918b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[20] = vsubq_s16(s1[23], s2[20]); 1928b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[21] = vsubq_s16(s3[22], s3[21]); 1938b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[22] = vaddq_s16(s3[21], s3[22]); 1948b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[23] = vaddq_s16(s2[20], s1[23]); 1958b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[24] = vaddq_s16(s1[24], s2[27]); 1968b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[25] = vaddq_s16(s3[25], s3[26]); 1978b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[26] = vsubq_s16(s3[25], s3[26]); 1988b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[27] = vsubq_s16(s1[24], s2[27]); 1998b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[28] = vsubq_s16(s1[31], s2[28]); 2008b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[29] = vsubq_s16(s3[30], s3[29]); 2018b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[30] = vaddq_s16(s3[29], s3[30]); 2028b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[31] = vaddq_s16(s2[28], s1[31]); 2037bc9febe8749e98a3812a0dc4380ceae75c29450Johann 2048b92989c89bec8632aa47dc58dc162f199d62edcJames Zern // stage 5 2058b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[0] = vaddq_s16(s4[0], s4[3]); 2068b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[1] = vaddq_s16(s4[0], s4[2]); 2078b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[2] = vsubq_s16(s4[0], s4[2]); 2088b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[3] = vsubq_s16(s4[0], s4[3]); 2098b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2108b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[5] = sub_multiply_shift_and_narrow_s16(s3[7], s3[4], cospi_16_64); 2118b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[6] = add_multiply_shift_and_narrow_s16(s3[4], s3[7], cospi_16_64); 2128b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2138b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[8] = vaddq_s16(s2[8], s3[11]); 2148b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[9] = vaddq_s16(s4[9], s4[10]); 2158b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[10] = vsubq_s16(s4[9], s4[10]); 2168b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[11] = vsubq_s16(s2[8], s3[11]); 2178b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[12] = vsubq_s16(s2[15], s3[12]); 2188b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[13] = vsubq_s16(s4[14], s4[13]); 2198b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[14] = vaddq_s16(s4[13], s4[14]); 2208b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[15] = vaddq_s16(s2[15], s3[12]); 2218b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2228b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[18] = multiply_accumulate_shift_and_narrow_s16(s4[18], -cospi_8_64, s4[29], 2238b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 2248b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[29] = multiply_accumulate_shift_and_narrow_s16(s4[18], cospi_24_64, s4[29], 2258b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_8_64); 2268b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2278b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[19] = multiply_accumulate_shift_and_narrow_s16(s4[19], -cospi_8_64, s4[28], 2288b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 2298b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[28] = multiply_accumulate_shift_and_narrow_s16(s4[19], cospi_24_64, s4[28], 2308b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_8_64); 2318b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2328b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[20] = multiply_accumulate_shift_and_narrow_s16(s4[20], -cospi_24_64, 2338b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[27], -cospi_8_64); 2348b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[27] = multiply_accumulate_shift_and_narrow_s16(s4[20], -cospi_8_64, s4[27], 2358b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 2368b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2378b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[21] = multiply_accumulate_shift_and_narrow_s16(s4[21], -cospi_24_64, 2388b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[26], -cospi_8_64); 2398b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[26] = multiply_accumulate_shift_and_narrow_s16(s4[21], -cospi_8_64, s4[26], 2408b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 2417bc9febe8749e98a3812a0dc4380ceae75c29450Johann 2427bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 6 2438b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[0] = vaddq_s16(s5[0], s3[7]); 2448b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[1] = vaddq_s16(s5[1], s5[6]); 2458b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[2] = vaddq_s16(s5[2], s5[5]); 2468b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[3] = vaddq_s16(s5[3], s3[4]); 2478b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[4] = vsubq_s16(s5[3], s3[4]); 2488b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[5] = vsubq_s16(s5[2], s5[5]); 2498b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[6] = vsubq_s16(s5[1], s5[6]); 2508b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[7] = vsubq_s16(s5[0], s3[7]); 2518b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2528b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[10] = sub_multiply_shift_and_narrow_s16(s5[13], s5[10], cospi_16_64); 2538b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[13] = add_multiply_shift_and_narrow_s16(s5[10], s5[13], cospi_16_64); 2548b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2558b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[11] = sub_multiply_shift_and_narrow_s16(s5[12], s5[11], cospi_16_64); 2568b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[12] = add_multiply_shift_and_narrow_s16(s5[11], s5[12], cospi_16_64); 2578b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2588b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[16] = vaddq_s16(s4[16], s4[23]); 2598b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[17] = vaddq_s16(s4[17], s4[22]); 2608b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[18] = vaddq_s16(s5[18], s5[21]); 2618b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[19] = vaddq_s16(s5[19], s5[20]); 2628b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[20] = vsubq_s16(s5[19], s5[20]); 2638b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[21] = vsubq_s16(s5[18], s5[21]); 2648b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[22] = vsubq_s16(s4[17], s4[22]); 2658b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[23] = vsubq_s16(s4[16], s4[23]); 2668b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2678b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[24] = vsubq_s16(s4[31], s4[24]); 2688b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[25] = vsubq_s16(s4[30], s4[25]); 2698b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[26] = vsubq_s16(s5[29], s5[26]); 2708b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[27] = vsubq_s16(s5[28], s5[27]); 2718b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[28] = vaddq_s16(s5[27], s5[28]); 2728b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[29] = vaddq_s16(s5[26], s5[29]); 2738b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[30] = vaddq_s16(s4[25], s4[30]); 2748b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[31] = vaddq_s16(s4[24], s4[31]); 2757bc9febe8749e98a3812a0dc4380ceae75c29450Johann 2767bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 7 2778b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[0] = vaddq_s16(s6[0], s5[15]); 2788b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[1] = vaddq_s16(s6[1], s5[14]); 2798b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[2] = vaddq_s16(s6[2], s6[13]); 2808b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[3] = vaddq_s16(s6[3], s6[12]); 2818b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[4] = vaddq_s16(s6[4], s6[11]); 2828b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[5] = vaddq_s16(s6[5], s6[10]); 2838b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[6] = vaddq_s16(s6[6], s5[9]); 2848b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[7] = vaddq_s16(s6[7], s5[8]); 2858b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[8] = vsubq_s16(s6[7], s5[8]); 2868b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[9] = vsubq_s16(s6[6], s5[9]); 2878b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[10] = vsubq_s16(s6[5], s6[10]); 2888b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[11] = vsubq_s16(s6[4], s6[11]); 2898b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[12] = vsubq_s16(s6[3], s6[12]); 2908b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[13] = vsubq_s16(s6[2], s6[13]); 2918b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[14] = vsubq_s16(s6[1], s5[14]); 2928b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[15] = vsubq_s16(s6[0], s5[15]); 2938b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2948b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[20] = sub_multiply_shift_and_narrow_s16(s6[27], s6[20], cospi_16_64); 2958b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[27] = add_multiply_shift_and_narrow_s16(s6[20], s6[27], cospi_16_64); 2968b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 2978b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[21] = sub_multiply_shift_and_narrow_s16(s6[26], s6[21], cospi_16_64); 2988b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[26] = add_multiply_shift_and_narrow_s16(s6[21], s6[26], cospi_16_64); 2998b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 3008b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[22] = sub_multiply_shift_and_narrow_s16(s6[25], s6[22], cospi_16_64); 3018b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[25] = add_multiply_shift_and_narrow_s16(s6[22], s6[25], cospi_16_64); 3028b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 3038b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[23] = sub_multiply_shift_and_narrow_s16(s6[24], s6[23], cospi_16_64); 3048b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[24] = add_multiply_shift_and_narrow_s16(s6[23], s6[24], cospi_16_64); 3057bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3067bc9febe8749e98a3812a0dc4380ceae75c29450Johann // final stage 3078b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[0], s6[31])); 3087bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3098b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[1], s6[30])); 3107bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3118b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[2], s6[29])); 3127bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3138b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[3], s6[28])); 3147bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3158b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[4], s7[27])); 3167bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3178b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[5], s7[26])); 3187bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3198b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[6], s7[25])); 3207bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3218b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[7], s7[24])); 3227bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3237bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3248b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[8], s7[23])); 3257bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3268b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[9], s7[22])); 3277bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3288b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[10], s7[21])); 3297bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3308b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[11], s7[20])); 3317bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3328b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[12], s6[19])); 3337bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3348b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[13], s6[18])); 3357bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3368b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[14], s6[17])); 3377bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3388b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vaddq_s16(s7[15], s6[16])); 3397bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3407bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3418b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[15], s6[16])); 3427bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3438b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[14], s6[17])); 3447bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3458b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[13], s6[18])); 3467bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3478b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[12], s6[19])); 3487bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3498b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[11], s7[20])); 3507bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3518b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[10], s7[21])); 3527bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3538b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[9], s7[22])); 3547bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3558b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[8], s7[23])); 3567bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3577bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3588b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[7], s7[24])); 3597bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3608b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[6], s7[25])); 3617bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3628b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[5], s7[26])); 3637bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3648b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[4], s7[27])); 3657bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3668b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[3], s6[28])); 3677bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3688b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[2], s6[29])); 3697bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3708b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[1], s6[30])); 3717bc9febe8749e98a3812a0dc4380ceae75c29450Johann output += 16; 3728b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vst1q_s16(output, vsubq_s16(s7[0], s6[31])); 3737bc9febe8749e98a3812a0dc4380ceae75c29450Johann} 3747bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3758b92989c89bec8632aa47dc58dc162f199d62edcJames Zernvoid vpx_idct32_16_neon(const int16_t *const input, void *const output, 3768b92989c89bec8632aa47dc58dc162f199d62edcJames Zern const int stride, const int highbd_flag) { 3778b92989c89bec8632aa47dc58dc162f199d62edcJames Zern int16x8_t in[16], s1[32], s2[32], s3[32], s4[32], s5[32], s6[32], s7[32], 3788b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[32]; 3798b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 3808b92989c89bec8632aa47dc58dc162f199d62edcJames Zern load_and_transpose_s16_8x8(input, 16, &in[0], &in[1], &in[2], &in[3], &in[4], 3818b92989c89bec8632aa47dc58dc162f199d62edcJames Zern &in[5], &in[6], &in[7]); 3828b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 3838b92989c89bec8632aa47dc58dc162f199d62edcJames Zern load_and_transpose_s16_8x8(input + 8, 16, &in[8], &in[9], &in[10], &in[11], 3848b92989c89bec8632aa47dc58dc162f199d62edcJames Zern &in[12], &in[13], &in[14], &in[15]); 3857bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3867bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 1 3878b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[16] = multiply_shift_and_narrow_s16(in[1], cospi_31_64); 3888b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[31] = multiply_shift_and_narrow_s16(in[1], cospi_1_64); 3897bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3908b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[17] = multiply_shift_and_narrow_s16(in[15], -cospi_17_64); 3918b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[30] = multiply_shift_and_narrow_s16(in[15], cospi_15_64); 3927bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3938b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[18] = multiply_shift_and_narrow_s16(in[9], cospi_23_64); 3948b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[29] = multiply_shift_and_narrow_s16(in[9], cospi_9_64); 3957bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3968b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[19] = multiply_shift_and_narrow_s16(in[7], -cospi_25_64); 3978b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[28] = multiply_shift_and_narrow_s16(in[7], cospi_7_64); 3987bc9febe8749e98a3812a0dc4380ceae75c29450Johann 3998b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[20] = multiply_shift_and_narrow_s16(in[5], cospi_27_64); 4008b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[27] = multiply_shift_and_narrow_s16(in[5], cospi_5_64); 4017bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4028b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[21] = multiply_shift_and_narrow_s16(in[11], -cospi_21_64); 4038b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[26] = multiply_shift_and_narrow_s16(in[11], cospi_11_64); 4047bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4058b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[22] = multiply_shift_and_narrow_s16(in[13], cospi_19_64); 4068b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[25] = multiply_shift_and_narrow_s16(in[13], cospi_13_64); 4077bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4088b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[23] = multiply_shift_and_narrow_s16(in[3], -cospi_29_64); 4098b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s1[24] = multiply_shift_and_narrow_s16(in[3], cospi_3_64); 4107bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4117bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 2 4128b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[8] = multiply_shift_and_narrow_s16(in[2], cospi_30_64); 4138b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[15] = multiply_shift_and_narrow_s16(in[2], cospi_2_64); 4148b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4158b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[9] = multiply_shift_and_narrow_s16(in[14], -cospi_18_64); 4168b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[14] = multiply_shift_and_narrow_s16(in[14], cospi_14_64); 4178b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4188b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[10] = multiply_shift_and_narrow_s16(in[10], cospi_22_64); 4198b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[13] = multiply_shift_and_narrow_s16(in[10], cospi_10_64); 4208b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4218b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[11] = multiply_shift_and_narrow_s16(in[6], -cospi_26_64); 4228b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[12] = multiply_shift_and_narrow_s16(in[6], cospi_6_64); 4238b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4248b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[16] = vaddq_s16(s1[16], s1[17]); 4258b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[17] = vsubq_s16(s1[16], s1[17]); 4268b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[18] = vsubq_s16(s1[19], s1[18]); 4278b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[19] = vaddq_s16(s1[18], s1[19]); 4288b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[20] = vaddq_s16(s1[20], s1[21]); 4298b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[21] = vsubq_s16(s1[20], s1[21]); 4308b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[22] = vsubq_s16(s1[23], s1[22]); 4318b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[23] = vaddq_s16(s1[22], s1[23]); 4328b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[24] = vaddq_s16(s1[24], s1[25]); 4338b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[25] = vsubq_s16(s1[24], s1[25]); 4348b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[26] = vsubq_s16(s1[27], s1[26]); 4358b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[27] = vaddq_s16(s1[26], s1[27]); 4368b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[28] = vaddq_s16(s1[28], s1[29]); 4378b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[29] = vsubq_s16(s1[28], s1[29]); 4388b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[30] = vsubq_s16(s1[31], s1[30]); 4398b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[31] = vaddq_s16(s1[30], s1[31]); 4407bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4417bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 3 4428b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[4] = multiply_shift_and_narrow_s16(in[4], cospi_28_64); 4438b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[7] = multiply_shift_and_narrow_s16(in[4], cospi_4_64); 4448b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4458b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[5] = multiply_shift_and_narrow_s16(in[12], -cospi_20_64); 4468b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[6] = multiply_shift_and_narrow_s16(in[12], cospi_12_64); 4478b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4488b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[8] = vaddq_s16(s2[8], s2[9]); 4498b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[9] = vsubq_s16(s2[8], s2[9]); 4508b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[10] = vsubq_s16(s2[11], s2[10]); 4518b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[11] = vaddq_s16(s2[10], s2[11]); 4528b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[12] = vaddq_s16(s2[12], s2[13]); 4538b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[13] = vsubq_s16(s2[12], s2[13]); 4548b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[14] = vsubq_s16(s2[15], s2[14]); 4558b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[15] = vaddq_s16(s2[14], s2[15]); 4568b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4578b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[17] = multiply_accumulate_shift_and_narrow_s16(s2[17], -cospi_4_64, s2[30], 4588b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_28_64); 4598b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[30] = multiply_accumulate_shift_and_narrow_s16(s2[17], cospi_28_64, s2[30], 4608b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_4_64); 4618b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4628b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[18] = multiply_accumulate_shift_and_narrow_s16(s2[18], -cospi_28_64, 4638b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[29], -cospi_4_64); 4648b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[29] = multiply_accumulate_shift_and_narrow_s16(s2[18], -cospi_4_64, s2[29], 4658b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_28_64); 4668b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4678b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[21] = multiply_accumulate_shift_and_narrow_s16(s2[21], -cospi_20_64, 4688b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[26], cospi_12_64); 4698b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[26] = multiply_accumulate_shift_and_narrow_s16(s2[21], cospi_12_64, s2[26], 4708b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_20_64); 4718b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4728b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[22] = multiply_accumulate_shift_and_narrow_s16(s2[22], -cospi_12_64, 4738b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[25], -cospi_20_64); 4748b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[25] = multiply_accumulate_shift_and_narrow_s16(s2[22], -cospi_20_64, 4758b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s2[25], cospi_12_64); 4767bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4777bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 4 4788b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[0] = multiply_shift_and_narrow_s16(in[0], cospi_16_64); 4798b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[2] = multiply_shift_and_narrow_s16(in[8], cospi_24_64); 4808b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[3] = multiply_shift_and_narrow_s16(in[8], cospi_8_64); 4817bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4828b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[4] = vaddq_s16(s3[4], s3[5]); 4838b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[5] = vsubq_s16(s3[4], s3[5]); 4848b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[6] = vsubq_s16(s3[7], s3[6]); 4858b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[7] = vaddq_s16(s3[6], s3[7]); 4867bc9febe8749e98a3812a0dc4380ceae75c29450Johann 4878b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[9] = multiply_accumulate_shift_and_narrow_s16(s3[9], -cospi_8_64, s3[14], 4887bc9febe8749e98a3812a0dc4380ceae75c29450Johann cospi_24_64); 4898b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[14] = multiply_accumulate_shift_and_narrow_s16(s3[9], cospi_24_64, s3[14], 4908b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_8_64); 4918b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4928b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[10] = multiply_accumulate_shift_and_narrow_s16(s3[10], -cospi_24_64, 4938b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s3[13], -cospi_8_64); 4948b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[13] = multiply_accumulate_shift_and_narrow_s16(s3[10], -cospi_8_64, s3[13], 4958b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 4968b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 4978b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[16] = vaddq_s16(s2[16], s2[19]); 4988b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[17] = vaddq_s16(s3[17], s3[18]); 4998b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[18] = vsubq_s16(s3[17], s3[18]); 5008b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[19] = vsubq_s16(s2[16], s2[19]); 5018b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[20] = vsubq_s16(s2[23], s2[20]); 5028b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[21] = vsubq_s16(s3[22], s3[21]); 5038b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[22] = vaddq_s16(s3[21], s3[22]); 5048b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[23] = vaddq_s16(s2[20], s2[23]); 5058b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[24] = vaddq_s16(s2[24], s2[27]); 5068b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[25] = vaddq_s16(s3[25], s3[26]); 5078b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[26] = vsubq_s16(s3[25], s3[26]); 5088b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[27] = vsubq_s16(s2[24], s2[27]); 5098b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[28] = vsubq_s16(s2[31], s2[28]); 5108b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[29] = vsubq_s16(s3[30], s3[29]); 5118b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[30] = vaddq_s16(s3[29], s3[30]); 5128b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[31] = vaddq_s16(s2[28], s2[31]); 5137bc9febe8749e98a3812a0dc4380ceae75c29450Johann 5148b92989c89bec8632aa47dc58dc162f199d62edcJames Zern // stage 5 5158b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[0] = vaddq_s16(s4[0], s4[3]); 5168b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[1] = vaddq_s16(s4[0], s4[2]); 5178b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[2] = vsubq_s16(s4[0], s4[2]); 5188b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[3] = vsubq_s16(s4[0], s4[3]); 5198b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 5208b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[5] = sub_multiply_shift_and_narrow_s16(s4[6], s4[5], cospi_16_64); 5218b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[6] = add_multiply_shift_and_narrow_s16(s4[5], s4[6], cospi_16_64); 5228b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 5238b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[8] = vaddq_s16(s3[8], s3[11]); 5248b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[9] = vaddq_s16(s4[9], s4[10]); 5258b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[10] = vsubq_s16(s4[9], s4[10]); 5268b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[11] = vsubq_s16(s3[8], s3[11]); 5278b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[12] = vsubq_s16(s3[15], s3[12]); 5288b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[13] = vsubq_s16(s4[14], s4[13]); 5298b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[14] = vaddq_s16(s4[13], s4[14]); 5308b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[15] = vaddq_s16(s3[15], s3[12]); 5318b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 5328b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[18] = multiply_accumulate_shift_and_narrow_s16(s4[18], -cospi_8_64, s4[29], 5338b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 5348b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[29] = multiply_accumulate_shift_and_narrow_s16(s4[18], cospi_24_64, s4[29], 5358b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_8_64); 5368b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 5378b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[19] = multiply_accumulate_shift_and_narrow_s16(s4[19], -cospi_8_64, s4[28], 5388b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 5398b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[28] = multiply_accumulate_shift_and_narrow_s16(s4[19], cospi_24_64, s4[28], 5408b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_8_64); 5418b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 5428b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[20] = multiply_accumulate_shift_and_narrow_s16(s4[20], -cospi_24_64, 5438b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[27], -cospi_8_64); 5448b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[27] = multiply_accumulate_shift_and_narrow_s16(s4[20], -cospi_8_64, s4[27], 5458b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 5468b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 5478b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[21] = multiply_accumulate_shift_and_narrow_s16(s4[21], -cospi_24_64, 5488b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s4[26], -cospi_8_64); 5498b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s5[26] = multiply_accumulate_shift_and_narrow_s16(s4[21], -cospi_8_64, s4[26], 5508b92989c89bec8632aa47dc58dc162f199d62edcJames Zern cospi_24_64); 5517bc9febe8749e98a3812a0dc4380ceae75c29450Johann 5527bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 6 5538b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[0] = vaddq_s16(s5[0], s4[7]); 5548b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[1] = vaddq_s16(s5[1], s5[6]); 5558b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[2] = vaddq_s16(s5[2], s5[5]); 5568b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[3] = vaddq_s16(s5[3], s4[4]); 5578b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[4] = vsubq_s16(s5[3], s4[4]); 5588b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[5] = vsubq_s16(s5[2], s5[5]); 5598b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[6] = vsubq_s16(s5[1], s5[6]); 5608b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[7] = vsubq_s16(s5[0], s4[7]); 5618b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 5628b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[10] = sub_multiply_shift_and_narrow_s16(s5[13], s5[10], cospi_16_64); 5638b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[13] = add_multiply_shift_and_narrow_s16(s5[10], s5[13], cospi_16_64); 5648b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 5658b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[11] = sub_multiply_shift_and_narrow_s16(s5[12], s5[11], cospi_16_64); 5668b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[12] = add_multiply_shift_and_narrow_s16(s5[11], s5[12], cospi_16_64); 5678b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 5688b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[16] = vaddq_s16(s4[16], s4[23]); 5698b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[17] = vaddq_s16(s4[17], s4[22]); 5708b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[18] = vaddq_s16(s5[18], s5[21]); 5718b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[19] = vaddq_s16(s5[19], s5[20]); 5728b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[20] = vsubq_s16(s5[19], s5[20]); 5738b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[21] = vsubq_s16(s5[18], s5[21]); 5748b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[22] = vsubq_s16(s4[17], s4[22]); 5758b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[23] = vsubq_s16(s4[16], s4[23]); 5768b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[24] = vsubq_s16(s4[31], s4[24]); 5778b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[25] = vsubq_s16(s4[30], s4[25]); 5788b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[26] = vsubq_s16(s5[29], s5[26]); 5798b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[27] = vsubq_s16(s5[28], s5[27]); 5808b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[28] = vaddq_s16(s5[27], s5[28]); 5818b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[29] = vaddq_s16(s5[26], s5[29]); 5828b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[30] = vaddq_s16(s4[25], s4[30]); 5838b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s6[31] = vaddq_s16(s4[24], s4[31]); 5847bc9febe8749e98a3812a0dc4380ceae75c29450Johann 5857bc9febe8749e98a3812a0dc4380ceae75c29450Johann // stage 7 5868b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[0] = vaddq_s16(s6[0], s5[15]); 5878b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[1] = vaddq_s16(s6[1], s5[14]); 5888b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[2] = vaddq_s16(s6[2], s6[13]); 5898b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[3] = vaddq_s16(s6[3], s6[12]); 5908b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[4] = vaddq_s16(s6[4], s6[11]); 5918b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[5] = vaddq_s16(s6[5], s6[10]); 5928b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[6] = vaddq_s16(s6[6], s5[9]); 5938b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[7] = vaddq_s16(s6[7], s5[8]); 5948b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[8] = vsubq_s16(s6[7], s5[8]); 5958b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[9] = vsubq_s16(s6[6], s5[9]); 5968b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[10] = vsubq_s16(s6[5], s6[10]); 5978b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[11] = vsubq_s16(s6[4], s6[11]); 5988b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[12] = vsubq_s16(s6[3], s6[12]); 5998b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[13] = vsubq_s16(s6[2], s6[13]); 6008b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[14] = vsubq_s16(s6[1], s5[14]); 6018b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[15] = vsubq_s16(s6[0], s5[15]); 6028b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 6038b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[20] = sub_multiply_shift_and_narrow_s16(s6[27], s6[20], cospi_16_64); 6048b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[27] = add_multiply_shift_and_narrow_s16(s6[20], s6[27], cospi_16_64); 6058b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 6068b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[21] = sub_multiply_shift_and_narrow_s16(s6[26], s6[21], cospi_16_64); 6078b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[26] = add_multiply_shift_and_narrow_s16(s6[21], s6[26], cospi_16_64); 6088b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 6098b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[22] = sub_multiply_shift_and_narrow_s16(s6[25], s6[22], cospi_16_64); 6108b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[25] = add_multiply_shift_and_narrow_s16(s6[22], s6[25], cospi_16_64); 6118b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 6128b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[23] = sub_multiply_shift_and_narrow_s16(s6[24], s6[23], cospi_16_64); 6138b92989c89bec8632aa47dc58dc162f199d62edcJames Zern s7[24] = add_multiply_shift_and_narrow_s16(s6[23], s6[24], cospi_16_64); 6147bc9febe8749e98a3812a0dc4380ceae75c29450Johann 6157bc9febe8749e98a3812a0dc4380ceae75c29450Johann // final stage 6168b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[0] = final_add(s7[0], s6[31]); 6178b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[1] = final_add(s7[1], s6[30]); 6188b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[2] = final_add(s7[2], s6[29]); 6198b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[3] = final_add(s7[3], s6[28]); 6208b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[4] = final_add(s7[4], s7[27]); 6218b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[5] = final_add(s7[5], s7[26]); 6228b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[6] = final_add(s7[6], s7[25]); 6238b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[7] = final_add(s7[7], s7[24]); 6248b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[8] = final_add(s7[8], s7[23]); 6258b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[9] = final_add(s7[9], s7[22]); 6268b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[10] = final_add(s7[10], s7[21]); 6278b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[11] = final_add(s7[11], s7[20]); 6288b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[12] = final_add(s7[12], s6[19]); 6298b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[13] = final_add(s7[13], s6[18]); 6308b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[14] = final_add(s7[14], s6[17]); 6318b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[15] = final_add(s7[15], s6[16]); 6328b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[16] = final_sub(s7[15], s6[16]); 6338b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[17] = final_sub(s7[14], s6[17]); 6348b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[18] = final_sub(s7[13], s6[18]); 6358b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[19] = final_sub(s7[12], s6[19]); 6368b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[20] = final_sub(s7[11], s7[20]); 6378b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[21] = final_sub(s7[10], s7[21]); 6388b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[22] = final_sub(s7[9], s7[22]); 6398b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[23] = final_sub(s7[8], s7[23]); 6408b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[24] = final_sub(s7[7], s7[24]); 6418b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[25] = final_sub(s7[6], s7[25]); 6428b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[26] = final_sub(s7[5], s7[26]); 6438b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[27] = final_sub(s7[4], s7[27]); 6448b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[28] = final_sub(s7[3], s6[28]); 6458b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[29] = final_sub(s7[2], s6[29]); 6468b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[30] = final_sub(s7[1], s6[30]); 6478b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[31] = final_sub(s7[0], s6[31]); 6488b92989c89bec8632aa47dc58dc162f199d62edcJames Zern 6498b92989c89bec8632aa47dc58dc162f199d62edcJames Zern if (highbd_flag) { 6508b92989c89bec8632aa47dc58dc162f199d62edcJames Zern highbd_add_and_store_bd8(out, output, stride); 6518b92989c89bec8632aa47dc58dc162f199d62edcJames Zern } else { 6528b92989c89bec8632aa47dc58dc162f199d62edcJames Zern uint8_t *const outputT = (uint8_t *)output; 6538b92989c89bec8632aa47dc58dc162f199d62edcJames Zern add_and_store_u8_s16(out[0], out[1], out[2], out[3], out[4], out[5], out[6], 6548b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[7], outputT, stride); 6558b92989c89bec8632aa47dc58dc162f199d62edcJames Zern add_and_store_u8_s16(out[8], out[9], out[10], out[11], out[12], out[13], 6568b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[14], out[15], outputT + (8 * stride), stride); 6578b92989c89bec8632aa47dc58dc162f199d62edcJames Zern add_and_store_u8_s16(out[16], out[17], out[18], out[19], out[20], out[21], 6588b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[22], out[23], outputT + (16 * stride), stride); 6598b92989c89bec8632aa47dc58dc162f199d62edcJames Zern add_and_store_u8_s16(out[24], out[25], out[26], out[27], out[28], out[29], 6608b92989c89bec8632aa47dc58dc162f199d62edcJames Zern out[30], out[31], outputT + (24 * stride), stride); 6618b92989c89bec8632aa47dc58dc162f199d62edcJames 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 6708b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vpx_idct32_12_neon(input, temp); 6718b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vpx_idct32_12_neon(input + 32 * 8, temp + 8); 6727bc9febe8749e98a3812a0dc4380ceae75c29450Johann 6737bc9febe8749e98a3812a0dc4380ceae75c29450Johann for (i = 0; i < 32; i += 8) { 6748b92989c89bec8632aa47dc58dc162f199d62edcJames Zern vpx_idct32_16_neon(t, dest, stride, 0); 6757bc9febe8749e98a3812a0dc4380ceae75c29450Johann t += (16 * 8); 6767bc9febe8749e98a3812a0dc4380ceae75c29450Johann dest += 8; 6777bc9febe8749e98a3812a0dc4380ceae75c29450Johann } 6787bc9febe8749e98a3812a0dc4380ceae75c29450Johann} 679