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Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/arm/idct32x32_34_add_neon.c')
| -rw-r--r-- | media/libvpx/libvpx/vpx_dsp/arm/idct32x32_34_add_neon.c | 513 |
1 files changed, 513 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/arm/idct32x32_34_add_neon.c b/media/libvpx/libvpx/vpx_dsp/arm/idct32x32_34_add_neon.c new file mode 100644 index 0000000000..f570547e44 --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/arm/idct32x32_34_add_neon.c @@ -0,0 +1,513 @@ +/* + * Copyright (c) 2016 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <arm_neon.h> + +#include "./vpx_config.h" +#include "./vpx_dsp_rtcd.h" +#include "vpx_dsp/arm/idct_neon.h" +#include "vpx_dsp/arm/mem_neon.h" +#include "vpx_dsp/arm/transpose_neon.h" +#include "vpx_dsp/txfm_common.h" + +// Only for the first pass of the _34_ variant. Since it only uses values from +// the top left 8x8 it can safely assume all the remaining values are 0 and skip +// an awful lot of calculations. In fact, only the first 6 columns make the cut. +// None of the elements in the 7th or 8th column are used so it skips any calls +// to input[67] too. +// In C this does a single row of 32 for each call. Here it transposes the top +// left 8x8 to allow using SIMD. + +// vp9/common/vp9_scan.c:vp9_default_iscan_32x32 arranges the first 34 non-zero +// coefficients as follows: +// 0 1 2 3 4 5 6 7 +// 0 0 2 5 10 17 25 +// 1 1 4 8 15 22 30 +// 2 3 7 12 18 28 +// 3 6 11 16 23 31 +// 4 9 14 19 29 +// 5 13 20 26 +// 6 21 27 33 +// 7 24 32 +void vpx_idct32_6_neon(const tran_low_t *input, int16_t *output) { + int16x8_t in[8], s1[32], s2[32], s3[32]; + + in[0] = load_tran_low_to_s16q(input); + input += 32; + in[1] = load_tran_low_to_s16q(input); + input += 32; + in[2] = load_tran_low_to_s16q(input); + input += 32; + in[3] = load_tran_low_to_s16q(input); + input += 32; + in[4] = load_tran_low_to_s16q(input); + input += 32; + in[5] = load_tran_low_to_s16q(input); + input += 32; + in[6] = load_tran_low_to_s16q(input); + input += 32; + in[7] = load_tran_low_to_s16q(input); + transpose_s16_8x8(&in[0], &in[1], &in[2], &in[3], &in[4], &in[5], &in[6], + &in[7]); + + // stage 1 + // input[1] * cospi_31_64 - input[31] * cospi_1_64 (but input[31] == 0) + s1[16] = multiply_shift_and_narrow_s16(in[1], cospi_31_64); + // input[1] * cospi_1_64 + input[31] * cospi_31_64 (but input[31] == 0) + s1[31] = multiply_shift_and_narrow_s16(in[1], cospi_1_64); + + s1[20] = multiply_shift_and_narrow_s16(in[5], cospi_27_64); + s1[27] = multiply_shift_and_narrow_s16(in[5], cospi_5_64); + + s1[23] = multiply_shift_and_narrow_s16(in[3], -cospi_29_64); + s1[24] = multiply_shift_and_narrow_s16(in[3], cospi_3_64); + + // stage 2 + s2[8] = multiply_shift_and_narrow_s16(in[2], cospi_30_64); + s2[15] = multiply_shift_and_narrow_s16(in[2], cospi_2_64); + + // stage 3 + s1[4] = multiply_shift_and_narrow_s16(in[4], cospi_28_64); + s1[7] = multiply_shift_and_narrow_s16(in[4], cospi_4_64); + + s1[17] = multiply_accumulate_shift_and_narrow_s16(s1[16], -cospi_4_64, s1[31], + cospi_28_64); + s1[30] = multiply_accumulate_shift_and_narrow_s16(s1[16], cospi_28_64, s1[31], + cospi_4_64); + + s1[21] = multiply_accumulate_shift_and_narrow_s16(s1[20], -cospi_20_64, + s1[27], cospi_12_64); + s1[26] = multiply_accumulate_shift_and_narrow_s16(s1[20], cospi_12_64, s1[27], + cospi_20_64); + + s1[22] = multiply_accumulate_shift_and_narrow_s16(s1[23], -cospi_12_64, + s1[24], -cospi_20_64); + s1[25] = multiply_accumulate_shift_and_narrow_s16(s1[23], -cospi_20_64, + s1[24], cospi_12_64); + + // stage 4 + s1[0] = multiply_shift_and_narrow_s16(in[0], cospi_16_64); + + s2[9] = multiply_accumulate_shift_and_narrow_s16(s2[8], -cospi_8_64, s2[15], + cospi_24_64); + s2[14] = multiply_accumulate_shift_and_narrow_s16(s2[8], cospi_24_64, s2[15], + cospi_8_64); + + s2[20] = vsubq_s16(s1[23], s1[20]); + s2[21] = vsubq_s16(s1[22], s1[21]); + s2[22] = vaddq_s16(s1[21], s1[22]); + s2[23] = vaddq_s16(s1[20], s1[23]); + s2[24] = vaddq_s16(s1[24], s1[27]); + s2[25] = vaddq_s16(s1[25], s1[26]); + s2[26] = vsubq_s16(s1[25], s1[26]); + s2[27] = vsubq_s16(s1[24], s1[27]); + + // stage 5 + s1[5] = sub_multiply_shift_and_narrow_s16(s1[7], s1[4], cospi_16_64); + s1[6] = add_multiply_shift_and_narrow_s16(s1[4], s1[7], cospi_16_64); + + s1[18] = multiply_accumulate_shift_and_narrow_s16(s1[17], -cospi_8_64, s1[30], + cospi_24_64); + s1[29] = multiply_accumulate_shift_and_narrow_s16(s1[17], cospi_24_64, s1[30], + cospi_8_64); + + s1[19] = multiply_accumulate_shift_and_narrow_s16(s1[16], -cospi_8_64, s1[31], + cospi_24_64); + s1[28] = multiply_accumulate_shift_and_narrow_s16(s1[16], cospi_24_64, s1[31], + cospi_8_64); + + s1[20] = multiply_accumulate_shift_and_narrow_s16(s2[20], -cospi_24_64, + s2[27], -cospi_8_64); + s1[27] = multiply_accumulate_shift_and_narrow_s16(s2[20], -cospi_8_64, s2[27], + cospi_24_64); + + s1[21] = multiply_accumulate_shift_and_narrow_s16(s2[21], -cospi_24_64, + s2[26], -cospi_8_64); + s1[26] = multiply_accumulate_shift_and_narrow_s16(s2[21], -cospi_8_64, s2[26], + cospi_24_64); + + // stage 6 + s2[0] = vaddq_s16(s1[0], s1[7]); + s2[1] = vaddq_s16(s1[0], s1[6]); + s2[2] = vaddq_s16(s1[0], s1[5]); + s2[3] = vaddq_s16(s1[0], s1[4]); + s2[4] = vsubq_s16(s1[0], s1[4]); + s2[5] = vsubq_s16(s1[0], s1[5]); + s2[6] = vsubq_s16(s1[0], s1[6]); + s2[7] = vsubq_s16(s1[0], s1[7]); + + s2[10] = sub_multiply_shift_and_narrow_s16(s2[14], s2[9], cospi_16_64); + s2[13] = add_multiply_shift_and_narrow_s16(s2[9], s2[14], cospi_16_64); + + s2[11] = sub_multiply_shift_and_narrow_s16(s2[15], s2[8], cospi_16_64); + s2[12] = add_multiply_shift_and_narrow_s16(s2[8], s2[15], cospi_16_64); + + s2[16] = vaddq_s16(s1[16], s2[23]); + s2[17] = vaddq_s16(s1[17], s2[22]); + s2[18] = vaddq_s16(s1[18], s1[21]); + s2[19] = vaddq_s16(s1[19], s1[20]); + s2[20] = vsubq_s16(s1[19], s1[20]); + s2[21] = vsubq_s16(s1[18], s1[21]); + s2[22] = vsubq_s16(s1[17], s2[22]); + s2[23] = vsubq_s16(s1[16], s2[23]); + + s3[24] = vsubq_s16(s1[31], s2[24]); + s3[25] = vsubq_s16(s1[30], s2[25]); + s3[26] = vsubq_s16(s1[29], s1[26]); + s3[27] = vsubq_s16(s1[28], s1[27]); + s2[28] = vaddq_s16(s1[27], s1[28]); + s2[29] = vaddq_s16(s1[26], s1[29]); + s2[30] = vaddq_s16(s2[25], s1[30]); + s2[31] = vaddq_s16(s2[24], s1[31]); + + // stage 7 + s1[0] = vaddq_s16(s2[0], s2[15]); + s1[1] = vaddq_s16(s2[1], s2[14]); + s1[2] = vaddq_s16(s2[2], s2[13]); + s1[3] = vaddq_s16(s2[3], s2[12]); + s1[4] = vaddq_s16(s2[4], s2[11]); + s1[5] = vaddq_s16(s2[5], s2[10]); + s1[6] = vaddq_s16(s2[6], s2[9]); + s1[7] = vaddq_s16(s2[7], s2[8]); + s1[8] = vsubq_s16(s2[7], s2[8]); + s1[9] = vsubq_s16(s2[6], s2[9]); + s1[10] = vsubq_s16(s2[5], s2[10]); + s1[11] = vsubq_s16(s2[4], s2[11]); + s1[12] = vsubq_s16(s2[3], s2[12]); + s1[13] = vsubq_s16(s2[2], s2[13]); + s1[14] = vsubq_s16(s2[1], s2[14]); + s1[15] = vsubq_s16(s2[0], s2[15]); + + s1[20] = sub_multiply_shift_and_narrow_s16(s3[27], s2[20], cospi_16_64); + s1[27] = add_multiply_shift_and_narrow_s16(s2[20], s3[27], cospi_16_64); + + s1[21] = sub_multiply_shift_and_narrow_s16(s3[26], s2[21], cospi_16_64); + s1[26] = add_multiply_shift_and_narrow_s16(s2[21], s3[26], cospi_16_64); + + s1[22] = sub_multiply_shift_and_narrow_s16(s3[25], s2[22], cospi_16_64); + s1[25] = add_multiply_shift_and_narrow_s16(s2[22], s3[25], cospi_16_64); + + s1[23] = sub_multiply_shift_and_narrow_s16(s3[24], s2[23], cospi_16_64); + s1[24] = add_multiply_shift_and_narrow_s16(s2[23], s3[24], cospi_16_64); + + // final stage + vst1q_s16(output, vaddq_s16(s1[0], s2[31])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[1], s2[30])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[2], s2[29])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[3], s2[28])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[4], s1[27])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[5], s1[26])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[6], s1[25])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[7], s1[24])); + output += 8; + + vst1q_s16(output, vaddq_s16(s1[8], s1[23])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[9], s1[22])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[10], s1[21])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[11], s1[20])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[12], s2[19])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[13], s2[18])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[14], s2[17])); + output += 8; + vst1q_s16(output, vaddq_s16(s1[15], s2[16])); + output += 8; + + vst1q_s16(output, vsubq_s16(s1[15], s2[16])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[14], s2[17])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[13], s2[18])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[12], s2[19])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[11], s1[20])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[10], s1[21])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[9], s1[22])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[8], s1[23])); + output += 8; + + vst1q_s16(output, vsubq_s16(s1[7], s1[24])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[6], s1[25])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[5], s1[26])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[4], s1[27])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[3], s2[28])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[2], s2[29])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[1], s2[30])); + output += 8; + vst1q_s16(output, vsubq_s16(s1[0], s2[31])); +} + +void vpx_idct32_8_neon(const int16_t *input, void *const output, int stride, + const int highbd_flag) { + int16x8_t in[8], s1[32], s2[32], s3[32], out[32]; + + load_and_transpose_s16_8x8(input, 8, &in[0], &in[1], &in[2], &in[3], &in[4], + &in[5], &in[6], &in[7]); + + // stage 1 + s1[16] = multiply_shift_and_narrow_s16(in[1], cospi_31_64); + s1[31] = multiply_shift_and_narrow_s16(in[1], cospi_1_64); + + // Different for _8_ + s1[19] = multiply_shift_and_narrow_s16(in[7], -cospi_25_64); + s1[28] = multiply_shift_and_narrow_s16(in[7], cospi_7_64); + + s1[20] = multiply_shift_and_narrow_s16(in[5], cospi_27_64); + s1[27] = multiply_shift_and_narrow_s16(in[5], cospi_5_64); + + s1[23] = multiply_shift_and_narrow_s16(in[3], -cospi_29_64); + s1[24] = multiply_shift_and_narrow_s16(in[3], cospi_3_64); + + // stage 2 + s2[8] = multiply_shift_and_narrow_s16(in[2], cospi_30_64); + s2[15] = multiply_shift_and_narrow_s16(in[2], cospi_2_64); + + s2[11] = multiply_shift_and_narrow_s16(in[6], -cospi_26_64); + s2[12] = multiply_shift_and_narrow_s16(in[6], cospi_6_64); + + // stage 3 + s1[4] = multiply_shift_and_narrow_s16(in[4], cospi_28_64); + s1[7] = multiply_shift_and_narrow_s16(in[4], cospi_4_64); + + s1[17] = multiply_accumulate_shift_and_narrow_s16(s1[16], -cospi_4_64, s1[31], + cospi_28_64); + s1[30] = multiply_accumulate_shift_and_narrow_s16(s1[16], cospi_28_64, s1[31], + cospi_4_64); + + // Different for _8_ + s1[18] = multiply_accumulate_shift_and_narrow_s16(s1[19], -cospi_28_64, + s1[28], -cospi_4_64); + s1[29] = multiply_accumulate_shift_and_narrow_s16(s1[19], -cospi_4_64, s1[28], + cospi_28_64); + + s1[21] = multiply_accumulate_shift_and_narrow_s16(s1[20], -cospi_20_64, + s1[27], cospi_12_64); + s1[26] = multiply_accumulate_shift_and_narrow_s16(s1[20], cospi_12_64, s1[27], + cospi_20_64); + + s1[22] = multiply_accumulate_shift_and_narrow_s16(s1[23], -cospi_12_64, + s1[24], -cospi_20_64); + s1[25] = multiply_accumulate_shift_and_narrow_s16(s1[23], -cospi_20_64, + s1[24], cospi_12_64); + + // stage 4 + s1[0] = multiply_shift_and_narrow_s16(in[0], cospi_16_64); + + s2[9] = multiply_accumulate_shift_and_narrow_s16(s2[8], -cospi_8_64, s2[15], + cospi_24_64); + s2[14] = multiply_accumulate_shift_and_narrow_s16(s2[8], cospi_24_64, s2[15], + cospi_8_64); + + s2[10] = multiply_accumulate_shift_and_narrow_s16(s2[11], -cospi_24_64, + s2[12], -cospi_8_64); + s2[13] = multiply_accumulate_shift_and_narrow_s16(s2[11], -cospi_8_64, s2[12], + cospi_24_64); + + s2[16] = vaddq_s16(s1[16], s1[19]); + + s2[17] = vaddq_s16(s1[17], s1[18]); + s2[18] = vsubq_s16(s1[17], s1[18]); + + s2[19] = vsubq_s16(s1[16], s1[19]); + + s2[20] = vsubq_s16(s1[23], s1[20]); + s2[21] = vsubq_s16(s1[22], s1[21]); + + s2[22] = vaddq_s16(s1[21], s1[22]); + s2[23] = vaddq_s16(s1[20], s1[23]); + + s2[24] = vaddq_s16(s1[24], s1[27]); + s2[25] = vaddq_s16(s1[25], s1[26]); + s2[26] = vsubq_s16(s1[25], s1[26]); + s2[27] = vsubq_s16(s1[24], s1[27]); + + s2[28] = vsubq_s16(s1[31], s1[28]); + s2[29] = vsubq_s16(s1[30], s1[29]); + s2[30] = vaddq_s16(s1[29], s1[30]); + s2[31] = vaddq_s16(s1[28], s1[31]); + + // stage 5 + s1[5] = sub_multiply_shift_and_narrow_s16(s1[7], s1[4], cospi_16_64); + s1[6] = add_multiply_shift_and_narrow_s16(s1[4], s1[7], cospi_16_64); + + s1[8] = vaddq_s16(s2[8], s2[11]); + s1[9] = vaddq_s16(s2[9], s2[10]); + s1[10] = vsubq_s16(s2[9], s2[10]); + s1[11] = vsubq_s16(s2[8], s2[11]); + s1[12] = vsubq_s16(s2[15], s2[12]); + s1[13] = vsubq_s16(s2[14], s2[13]); + s1[14] = vaddq_s16(s2[13], s2[14]); + s1[15] = vaddq_s16(s2[12], s2[15]); + + s1[18] = multiply_accumulate_shift_and_narrow_s16(s2[18], -cospi_8_64, s2[29], + cospi_24_64); + s1[29] = multiply_accumulate_shift_and_narrow_s16(s2[18], cospi_24_64, s2[29], + cospi_8_64); + + s1[19] = multiply_accumulate_shift_and_narrow_s16(s2[19], -cospi_8_64, s2[28], + cospi_24_64); + s1[28] = multiply_accumulate_shift_and_narrow_s16(s2[19], cospi_24_64, s2[28], + cospi_8_64); + + s1[20] = multiply_accumulate_shift_and_narrow_s16(s2[20], -cospi_24_64, + s2[27], -cospi_8_64); + s1[27] = multiply_accumulate_shift_and_narrow_s16(s2[20], -cospi_8_64, s2[27], + cospi_24_64); + + s1[21] = multiply_accumulate_shift_and_narrow_s16(s2[21], -cospi_24_64, + s2[26], -cospi_8_64); + s1[26] = multiply_accumulate_shift_and_narrow_s16(s2[21], -cospi_8_64, s2[26], + cospi_24_64); + + // stage 6 + s2[0] = vaddq_s16(s1[0], s1[7]); + s2[1] = vaddq_s16(s1[0], s1[6]); + s2[2] = vaddq_s16(s1[0], s1[5]); + s2[3] = vaddq_s16(s1[0], s1[4]); + s2[4] = vsubq_s16(s1[0], s1[4]); + s2[5] = vsubq_s16(s1[0], s1[5]); + s2[6] = vsubq_s16(s1[0], s1[6]); + s2[7] = vsubq_s16(s1[0], s1[7]); + + s2[10] = sub_multiply_shift_and_narrow_s16(s1[13], s1[10], cospi_16_64); + s2[13] = add_multiply_shift_and_narrow_s16(s1[10], s1[13], cospi_16_64); + + s2[11] = sub_multiply_shift_and_narrow_s16(s1[12], s1[11], cospi_16_64); + s2[12] = add_multiply_shift_and_narrow_s16(s1[11], s1[12], cospi_16_64); + + s1[16] = vaddq_s16(s2[16], s2[23]); + s1[17] = vaddq_s16(s2[17], s2[22]); + s2[18] = vaddq_s16(s1[18], s1[21]); + s2[19] = vaddq_s16(s1[19], s1[20]); + s2[20] = vsubq_s16(s1[19], s1[20]); + s2[21] = vsubq_s16(s1[18], s1[21]); + s1[22] = vsubq_s16(s2[17], s2[22]); + s1[23] = vsubq_s16(s2[16], s2[23]); + + s3[24] = vsubq_s16(s2[31], s2[24]); + s3[25] = vsubq_s16(s2[30], s2[25]); + s3[26] = vsubq_s16(s1[29], s1[26]); + s3[27] = vsubq_s16(s1[28], s1[27]); + s2[28] = vaddq_s16(s1[27], s1[28]); + s2[29] = vaddq_s16(s1[26], s1[29]); + s2[30] = vaddq_s16(s2[25], s2[30]); + s2[31] = vaddq_s16(s2[24], s2[31]); + + // stage 7 + s1[0] = vaddq_s16(s2[0], s1[15]); + s1[1] = vaddq_s16(s2[1], s1[14]); + s1[2] = vaddq_s16(s2[2], s2[13]); + s1[3] = vaddq_s16(s2[3], s2[12]); + s1[4] = vaddq_s16(s2[4], s2[11]); + s1[5] = vaddq_s16(s2[5], s2[10]); + s1[6] = vaddq_s16(s2[6], s1[9]); + s1[7] = vaddq_s16(s2[7], s1[8]); + s1[8] = vsubq_s16(s2[7], s1[8]); + s1[9] = vsubq_s16(s2[6], s1[9]); + s1[10] = vsubq_s16(s2[5], s2[10]); + s1[11] = vsubq_s16(s2[4], s2[11]); + s1[12] = vsubq_s16(s2[3], s2[12]); + s1[13] = vsubq_s16(s2[2], s2[13]); + s1[14] = vsubq_s16(s2[1], s1[14]); + s1[15] = vsubq_s16(s2[0], s1[15]); + + s1[20] = sub_multiply_shift_and_narrow_s16(s3[27], s2[20], cospi_16_64); + s1[27] = add_multiply_shift_and_narrow_s16(s2[20], s3[27], cospi_16_64); + + s1[21] = sub_multiply_shift_and_narrow_s16(s3[26], s2[21], cospi_16_64); + s1[26] = add_multiply_shift_and_narrow_s16(s2[21], s3[26], cospi_16_64); + + s2[22] = sub_multiply_shift_and_narrow_s16(s3[25], s1[22], cospi_16_64); + s1[25] = add_multiply_shift_and_narrow_s16(s1[22], s3[25], cospi_16_64); + + s2[23] = sub_multiply_shift_and_narrow_s16(s3[24], s1[23], cospi_16_64); + s1[24] = add_multiply_shift_and_narrow_s16(s1[23], s3[24], cospi_16_64); + + // final stage + out[0] = final_add(s1[0], s2[31]); + out[1] = final_add(s1[1], s2[30]); + out[2] = final_add(s1[2], s2[29]); + out[3] = final_add(s1[3], s2[28]); + out[4] = final_add(s1[4], s1[27]); + out[5] = final_add(s1[5], s1[26]); + out[6] = final_add(s1[6], s1[25]); + out[7] = final_add(s1[7], s1[24]); + out[8] = final_add(s1[8], s2[23]); + out[9] = final_add(s1[9], s2[22]); + out[10] = final_add(s1[10], s1[21]); + out[11] = final_add(s1[11], s1[20]); + out[12] = final_add(s1[12], s2[19]); + out[13] = final_add(s1[13], s2[18]); + out[14] = final_add(s1[14], s1[17]); + out[15] = final_add(s1[15], s1[16]); + out[16] = final_sub(s1[15], s1[16]); + out[17] = final_sub(s1[14], s1[17]); + out[18] = final_sub(s1[13], s2[18]); + out[19] = final_sub(s1[12], s2[19]); + out[20] = final_sub(s1[11], s1[20]); + out[21] = final_sub(s1[10], s1[21]); + out[22] = final_sub(s1[9], s2[22]); + out[23] = final_sub(s1[8], s2[23]); + out[24] = final_sub(s1[7], s1[24]); + out[25] = final_sub(s1[6], s1[25]); + out[26] = final_sub(s1[5], s1[26]); + out[27] = final_sub(s1[4], s1[27]); + out[28] = final_sub(s1[3], s2[28]); + out[29] = final_sub(s1[2], s2[29]); + out[30] = final_sub(s1[1], s2[30]); + out[31] = final_sub(s1[0], s2[31]); + + if (highbd_flag) { + highbd_add_and_store_bd8(out, output, stride); + } else { + uint8_t *const outputT = (uint8_t *)output; + add_and_store_u8_s16(out + 0, outputT, stride); + add_and_store_u8_s16(out + 8, outputT + (8 * stride), stride); + add_and_store_u8_s16(out + 16, outputT + (16 * stride), stride); + add_and_store_u8_s16(out + 24, outputT + (24 * stride), stride); + } +} + +void vpx_idct32x32_34_add_neon(const tran_low_t *input, uint8_t *dest, + int stride) { + int i; + int16_t temp[32 * 8]; + int16_t *t = temp; + + vpx_idct32_6_neon(input, t); + + for (i = 0; i < 32; i += 8) { + vpx_idct32_8_neon(t, dest, stride, 0); + t += (8 * 8); + dest += 8; + } +} |