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author | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:15 -0500 |
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committer | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:20 -0500 |
commit | bbcc64772580c8a979288791afa02d30bc476d2e (patch) | |
tree | 437ce94c3fdd7497508e5b55de06c6d011678597 /third_party/aom/aom_dsp/mips/itrans8_dspr2.c | |
parent | 14805f6ddbfb173c327768fff9f81f40ce5e81b0 (diff) | |
download | UXP-bbcc64772580c8a979288791afa02d30bc476d2e.tar UXP-bbcc64772580c8a979288791afa02d30bc476d2e.tar.gz UXP-bbcc64772580c8a979288791afa02d30bc476d2e.tar.lz UXP-bbcc64772580c8a979288791afa02d30bc476d2e.tar.xz UXP-bbcc64772580c8a979288791afa02d30bc476d2e.zip |
Update aom to v1.0.0
Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.
Diffstat (limited to 'third_party/aom/aom_dsp/mips/itrans8_dspr2.c')
-rw-r--r-- | third_party/aom/aom_dsp/mips/itrans8_dspr2.c | 645 |
1 files changed, 0 insertions, 645 deletions
diff --git a/third_party/aom/aom_dsp/mips/itrans8_dspr2.c b/third_party/aom/aom_dsp/mips/itrans8_dspr2.c deleted file mode 100644 index 0a20f76f2..000000000 --- a/third_party/aom/aom_dsp/mips/itrans8_dspr2.c +++ /dev/null @@ -1,645 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#include "./aom_config.h" -#include "./aom_dsp_rtcd.h" -#include "aom_dsp/mips/inv_txfm_dspr2.h" -#include "aom_dsp/txfm_common.h" - -#if HAVE_DSPR2 -void idct8_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows) { - int step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6, step1_7; - const int const_2_power_13 = 8192; - int Temp0, Temp1, Temp2, Temp3, Temp4; - int i; - - for (i = no_rows; i--;) { - __asm__ __volatile__( - /* - temp_1 = (input[0] + input[4]) * cospi_16_64; - step2_0 = dct_const_round_shift(temp_1); - - temp_2 = (input[0] - input[4]) * cospi_16_64; - step2_1 = dct_const_round_shift(temp_2); - */ - "lh %[Temp0], 0(%[input]) \n\t" - "lh %[Temp1], 8(%[input]) \n\t" - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - "add %[Temp2], %[Temp0], %[Temp1] \n\t" - "madd $ac0, %[Temp2], %[cospi_16_64] \n\t" - "extp %[Temp4], $ac0, 31 \n\t" - - "sub %[Temp3], %[Temp0], %[Temp1] \n\t" - "madd $ac1, %[Temp3], %[cospi_16_64] \n\t" - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - "extp %[Temp2], $ac1, 31 \n\t" - - /* - temp_1 = input[2] * cospi_24_64 - input[6] * cospi_8_64; - step2_2 = dct_const_round_shift(temp_1); - */ - "lh %[Temp0], 4(%[input]) \n\t" - "lh %[Temp1], 12(%[input]) \n\t" - "madd $ac0, %[Temp0], %[cospi_24_64] \n\t" - "msub $ac0, %[Temp1], %[cospi_8_64] \n\t" - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - "extp %[Temp3], $ac0, 31 \n\t" - - /* - step1_1 = step2_1 + step2_2; - step1_2 = step2_1 - step2_2; - */ - "add %[step1_1], %[Temp2], %[Temp3] \n\t" - "sub %[step1_2], %[Temp2], %[Temp3] \n\t" - - /* - temp_2 = input[2] * cospi_8_64 + input[6] * cospi_24_64; - step2_3 = dct_const_round_shift(temp_2); - */ - "madd $ac1, %[Temp0], %[cospi_8_64] \n\t" - "madd $ac1, %[Temp1], %[cospi_24_64] \n\t" - "extp %[Temp1], $ac1, 31 \n\t" - - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - - /* - step1_0 = step2_0 + step2_3; - step1_3 = step2_0 - step2_3; - */ - "add %[step1_0], %[Temp4], %[Temp1] \n\t" - "sub %[step1_3], %[Temp4], %[Temp1] \n\t" - - /* - temp_1 = input[1] * cospi_28_64 - input[7] * cospi_4_64; - step1_4 = dct_const_round_shift(temp_1); - */ - "lh %[Temp0], 2(%[input]) \n\t" - "madd $ac0, %[Temp0], %[cospi_28_64] \n\t" - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - "lh %[Temp1], 14(%[input]) \n\t" - "lh %[Temp0], 2(%[input]) \n\t" - "msub $ac0, %[Temp1], %[cospi_4_64] \n\t" - "extp %[step1_4], $ac0, 31 \n\t" - - /* - temp_2 = input[1] * cospi_4_64 + input[7] * cospi_28_64; - step1_7 = dct_const_round_shift(temp_2); - */ - "madd $ac1, %[Temp0], %[cospi_4_64] \n\t" - "madd $ac1, %[Temp1], %[cospi_28_64] \n\t" - "extp %[step1_7], $ac1, 31 \n\t" - - /* - temp_1 = input[5] * cospi_12_64 - input[3] * cospi_20_64; - step1_5 = dct_const_round_shift(temp_1); - */ - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - "lh %[Temp0], 10(%[input]) \n\t" - "madd $ac0, %[Temp0], %[cospi_12_64] \n\t" - "lh %[Temp1], 6(%[input]) \n\t" - "msub $ac0, %[Temp1], %[cospi_20_64] \n\t" - "extp %[step1_5], $ac0, 31 \n\t" - - /* - temp_2 = input[5] * cospi_20_64 + input[3] * cospi_12_64; - step1_6 = dct_const_round_shift(temp_2); - */ - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - "lh %[Temp0], 10(%[input]) \n\t" - "madd $ac1, %[Temp0], %[cospi_20_64] \n\t" - "lh %[Temp1], 6(%[input]) \n\t" - "madd $ac1, %[Temp1], %[cospi_12_64] \n\t" - "extp %[step1_6], $ac1, 31 \n\t" - - /* - temp_1 = (step1_7 - step1_6 - step1_4 + step1_5) * cospi_16_64; - temp_2 = (step1_4 - step1_5 - step1_6 + step1_7) * cospi_16_64; - */ - "sub %[Temp0], %[step1_7], %[step1_6] \n\t" - "sub %[Temp0], %[Temp0], %[step1_4] \n\t" - "add %[Temp0], %[Temp0], %[step1_5] \n\t" - "sub %[Temp1], %[step1_4], %[step1_5] \n\t" - "sub %[Temp1], %[Temp1], %[step1_6] \n\t" - "add %[Temp1], %[Temp1], %[step1_7] \n\t" - - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - - "madd $ac0, %[Temp0], %[cospi_16_64] \n\t" - "madd $ac1, %[Temp1], %[cospi_16_64] \n\t" - - /* - step1_4 = step1_4 + step1_5; - step1_7 = step1_6 + step1_7; - */ - "add %[step1_4], %[step1_4], %[step1_5] \n\t" - "add %[step1_7], %[step1_7], %[step1_6] \n\t" - - "extp %[step1_5], $ac0, 31 \n\t" - "extp %[step1_6], $ac1, 31 \n\t" - - "add %[Temp0], %[step1_0], %[step1_7] \n\t" - "sh %[Temp0], 0(%[output]) \n\t" - "add %[Temp1], %[step1_1], %[step1_6] \n\t" - "sh %[Temp1], 16(%[output]) \n\t" - "add %[Temp0], %[step1_2], %[step1_5] \n\t" - "sh %[Temp0], 32(%[output]) \n\t" - "add %[Temp1], %[step1_3], %[step1_4] \n\t" - "sh %[Temp1], 48(%[output]) \n\t" - - "sub %[Temp0], %[step1_3], %[step1_4] \n\t" - "sh %[Temp0], 64(%[output]) \n\t" - "sub %[Temp1], %[step1_2], %[step1_5] \n\t" - "sh %[Temp1], 80(%[output]) \n\t" - "sub %[Temp0], %[step1_1], %[step1_6] \n\t" - "sh %[Temp0], 96(%[output]) \n\t" - "sub %[Temp1], %[step1_0], %[step1_7] \n\t" - "sh %[Temp1], 112(%[output]) \n\t" - - : [step1_0] "=&r"(step1_0), [step1_1] "=&r"(step1_1), - [step1_2] "=&r"(step1_2), [step1_3] "=&r"(step1_3), - [step1_4] "=&r"(step1_4), [step1_5] "=&r"(step1_5), - [step1_6] "=&r"(step1_6), [step1_7] "=&r"(step1_7), - [Temp0] "=&r"(Temp0), [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), - [Temp3] "=&r"(Temp3), [Temp4] "=&r"(Temp4) - : [const_2_power_13] "r"(const_2_power_13), - [cospi_16_64] "r"(cospi_16_64), [cospi_28_64] "r"(cospi_28_64), - [cospi_4_64] "r"(cospi_4_64), [cospi_12_64] "r"(cospi_12_64), - [cospi_20_64] "r"(cospi_20_64), [cospi_8_64] "r"(cospi_8_64), - [cospi_24_64] "r"(cospi_24_64), [output] "r"(output), - [input] "r"(input)); - - input += 8; - output += 1; - } -} - -void idct8_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, - int dest_stride) { - int step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6, step1_7; - int Temp0, Temp1, Temp2, Temp3; - int i; - const int const_2_power_13 = 8192; - uint8_t *dest_pix; - uint8_t *cm = aom_ff_cropTbl; - - /* prefetch aom_ff_cropTbl */ - prefetch_load(aom_ff_cropTbl); - prefetch_load(aom_ff_cropTbl + 32); - prefetch_load(aom_ff_cropTbl + 64); - prefetch_load(aom_ff_cropTbl + 96); - prefetch_load(aom_ff_cropTbl + 128); - prefetch_load(aom_ff_cropTbl + 160); - prefetch_load(aom_ff_cropTbl + 192); - prefetch_load(aom_ff_cropTbl + 224); - - for (i = 0; i < 8; ++i) { - dest_pix = (dest + i); - - __asm__ __volatile__( - /* - temp_1 = (input[0] + input[4]) * cospi_16_64; - step2_0 = dct_const_round_shift(temp_1); - - temp_2 = (input[0] - input[4]) * cospi_16_64; - step2_1 = dct_const_round_shift(temp_2); - */ - "lh %[Temp0], 0(%[input]) \n\t" - "lh %[Temp1], 8(%[input]) \n\t" - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - "add %[Temp2], %[Temp0], %[Temp1] \n\t" - "madd $ac0, %[Temp2], %[cospi_16_64] \n\t" - "extp %[step1_6], $ac0, 31 \n\t" - - "sub %[Temp3], %[Temp0], %[Temp1] \n\t" - "madd $ac1, %[Temp3], %[cospi_16_64] \n\t" - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - "extp %[Temp2], $ac1, 31 \n\t" - - /* - temp_1 = input[2] * cospi_24_64 - input[6] * cospi_8_64; - step2_2 = dct_const_round_shift(temp_1); - */ - "lh %[Temp0], 4(%[input]) \n\t" - "lh %[Temp1], 12(%[input]) \n\t" - "madd $ac0, %[Temp0], %[cospi_24_64] \n\t" - "msub $ac0, %[Temp1], %[cospi_8_64] \n\t" - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - "extp %[Temp3], $ac0, 31 \n\t" - - /* - step1_1 = step2_1 + step2_2; - step1_2 = step2_1 - step2_2; - */ - "add %[step1_1], %[Temp2], %[Temp3] \n\t" - "sub %[step1_2], %[Temp2], %[Temp3] \n\t" - - /* - temp_2 = input[2] * cospi_8_64 + input[6] * cospi_24_64; - step2_3 = dct_const_round_shift(temp_2); - */ - "madd $ac1, %[Temp0], %[cospi_8_64] \n\t" - "madd $ac1, %[Temp1], %[cospi_24_64] \n\t" - "extp %[Temp1], $ac1, 31 \n\t" - - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - - /* - step1_0 = step2_0 + step2_3; - step1_3 = step2_0 - step2_3; - */ - "add %[step1_0], %[step1_6], %[Temp1] \n\t" - "sub %[step1_3], %[step1_6], %[Temp1] \n\t" - - /* - temp_1 = input[1] * cospi_28_64 - input[7] * cospi_4_64; - step1_4 = dct_const_round_shift(temp_1); - */ - "lh %[Temp0], 2(%[input]) \n\t" - "madd $ac0, %[Temp0], %[cospi_28_64] \n\t" - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - "lh %[Temp1], 14(%[input]) \n\t" - "lh %[Temp0], 2(%[input]) \n\t" - "msub $ac0, %[Temp1], %[cospi_4_64] \n\t" - "extp %[step1_4], $ac0, 31 \n\t" - - /* - temp_2 = input[1] * cospi_4_64 + input[7] * cospi_28_64; - step1_7 = dct_const_round_shift(temp_2); - */ - "madd $ac1, %[Temp0], %[cospi_4_64] \n\t" - "madd $ac1, %[Temp1], %[cospi_28_64] \n\t" - "extp %[step1_7], $ac1, 31 \n\t" - - /* - temp_1 = input[5] * cospi_12_64 - input[3] * cospi_20_64; - step1_5 = dct_const_round_shift(temp_1); - */ - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - "lh %[Temp0], 10(%[input]) \n\t" - "madd $ac0, %[Temp0], %[cospi_12_64] \n\t" - "lh %[Temp1], 6(%[input]) \n\t" - "msub $ac0, %[Temp1], %[cospi_20_64] \n\t" - "extp %[step1_5], $ac0, 31 \n\t" - - /* - temp_2 = input[5] * cospi_20_64 + input[3] * cospi_12_64; - step1_6 = dct_const_round_shift(temp_2); - */ - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - "lh %[Temp0], 10(%[input]) \n\t" - "madd $ac1, %[Temp0], %[cospi_20_64] \n\t" - "lh %[Temp1], 6(%[input]) \n\t" - "madd $ac1, %[Temp1], %[cospi_12_64] \n\t" - "extp %[step1_6], $ac1, 31 \n\t" - - /* - temp_1 = (step1_7 - step1_6 - step1_4 + step1_5) * cospi_16_64; - temp_2 = (step1_4 - step1_5 - step1_6 + step1_7) * cospi_16_64; - */ - "sub %[Temp0], %[step1_7], %[step1_6] \n\t" - "sub %[Temp0], %[Temp0], %[step1_4] \n\t" - "add %[Temp0], %[Temp0], %[step1_5] \n\t" - "sub %[Temp1], %[step1_4], %[step1_5] \n\t" - "sub %[Temp1], %[Temp1], %[step1_6] \n\t" - "add %[Temp1], %[Temp1], %[step1_7] \n\t" - - "mtlo %[const_2_power_13], $ac0 \n\t" - "mthi $zero, $ac0 \n\t" - "mtlo %[const_2_power_13], $ac1 \n\t" - "mthi $zero, $ac1 \n\t" - - "madd $ac0, %[Temp0], %[cospi_16_64] \n\t" - "madd $ac1, %[Temp1], %[cospi_16_64] \n\t" - - /* - step1_4 = step1_4 + step1_5; - step1_7 = step1_6 + step1_7; - */ - "add %[step1_4], %[step1_4], %[step1_5] \n\t" - "add %[step1_7], %[step1_7], %[step1_6] \n\t" - - "extp %[step1_5], $ac0, 31 \n\t" - "extp %[step1_6], $ac1, 31 \n\t" - - /* add block */ - "lbu %[Temp1], 0(%[dest_pix]) \n\t" - "add %[Temp0], %[step1_0], %[step1_7] \n\t" - "addi %[Temp0], %[Temp0], 16 \n\t" - "sra %[Temp0], %[Temp0], 5 \n\t" - "add %[Temp1], %[Temp1], %[Temp0] \n\t" - "add %[Temp0], %[step1_1], %[step1_6] \n\t" - "lbux %[Temp2], %[Temp1](%[cm]) \n\t" - "sb %[Temp2], 0(%[dest_pix]) \n\t" - "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" - - "lbu %[Temp1], 0(%[dest_pix]) \n\t" - "addi %[Temp0], %[Temp0], 16 \n\t" - "sra %[Temp0], %[Temp0], 5 \n\t" - "add %[Temp1], %[Temp1], %[Temp0] \n\t" - "add %[Temp0], %[step1_2], %[step1_5] \n\t" - "lbux %[Temp2], %[Temp1](%[cm]) \n\t" - "sb %[Temp2], 0(%[dest_pix]) \n\t" - "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" - - "lbu %[Temp1], 0(%[dest_pix]) \n\t" - "addi %[Temp0], %[Temp0], 16 \n\t" - "sra %[Temp0], %[Temp0], 5 \n\t" - "add %[Temp1], %[Temp1], %[Temp0] \n\t" - "add %[Temp0], %[step1_3], %[step1_4] \n\t" - "lbux %[Temp2], %[Temp1](%[cm]) \n\t" - "sb %[Temp2], 0(%[dest_pix]) \n\t" - "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" - - "lbu %[Temp1], 0(%[dest_pix]) \n\t" - "addi %[Temp0], %[Temp0], 16 \n\t" - "sra %[Temp0], %[Temp0], 5 \n\t" - "add %[Temp1], %[Temp1], %[Temp0] \n\t" - "sub %[Temp0], %[step1_3], %[step1_4] \n\t" - "lbux %[Temp2], %[Temp1](%[cm]) \n\t" - "sb %[Temp2], 0(%[dest_pix]) \n\t" - "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" - - "lbu %[Temp1], 0(%[dest_pix]) \n\t" - "addi %[Temp0], %[Temp0], 16 \n\t" - "sra %[Temp0], %[Temp0], 5 \n\t" - "add %[Temp1], %[Temp1], %[Temp0] \n\t" - "sub %[Temp0], %[step1_2], %[step1_5] \n\t" - "lbux %[Temp2], %[Temp1](%[cm]) \n\t" - "sb %[Temp2], 0(%[dest_pix]) \n\t" - "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" - - "lbu %[Temp1], 0(%[dest_pix]) \n\t" - "addi %[Temp0], %[Temp0], 16 \n\t" - "sra %[Temp0], %[Temp0], 5 \n\t" - "add %[Temp1], %[Temp1], %[Temp0] \n\t" - "sub %[Temp0], %[step1_1], %[step1_6] \n\t" - "lbux %[Temp2], %[Temp1](%[cm]) \n\t" - "sb %[Temp2], 0(%[dest_pix]) \n\t" - "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" - - "lbu %[Temp1], 0(%[dest_pix]) \n\t" - "addi %[Temp0], %[Temp0], 16 \n\t" - "sra %[Temp0], %[Temp0], 5 \n\t" - "add %[Temp1], %[Temp1], %[Temp0] \n\t" - "sub %[Temp0], %[step1_0], %[step1_7] \n\t" - "lbux %[Temp2], %[Temp1](%[cm]) \n\t" - "sb %[Temp2], 0(%[dest_pix]) \n\t" - "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" - - "lbu %[Temp1], 0(%[dest_pix]) \n\t" - "addi %[Temp0], %[Temp0], 16 \n\t" - "sra %[Temp0], %[Temp0], 5 \n\t" - "add %[Temp1], %[Temp1], %[Temp0] \n\t" - "lbux %[Temp2], %[Temp1](%[cm]) \n\t" - "sb %[Temp2], 0(%[dest_pix]) \n\t" - - : [step1_0] "=&r"(step1_0), [step1_1] "=&r"(step1_1), - [step1_2] "=&r"(step1_2), [step1_3] "=&r"(step1_3), - [step1_4] "=&r"(step1_4), [step1_5] "=&r"(step1_5), - [step1_6] "=&r"(step1_6), [step1_7] "=&r"(step1_7), - [Temp0] "=&r"(Temp0), [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), - [Temp3] "=&r"(Temp3), [dest_pix] "+r"(dest_pix) - : [const_2_power_13] "r"(const_2_power_13), - [cospi_16_64] "r"(cospi_16_64), [cospi_28_64] "r"(cospi_28_64), - [cospi_4_64] "r"(cospi_4_64), [cospi_12_64] "r"(cospi_12_64), - [cospi_20_64] "r"(cospi_20_64), [cospi_8_64] "r"(cospi_8_64), - [cospi_24_64] "r"(cospi_24_64), [input] "r"(input), [cm] "r"(cm), - [dest_stride] "r"(dest_stride)); - - input += 8; - } -} - -void aom_idct8x8_64_add_dspr2(const int16_t *input, uint8_t *dest, - int dest_stride) { - DECLARE_ALIGNED(32, int16_t, out[8 * 8]); - int16_t *outptr = out; - uint32_t pos = 45; - - /* bit positon for extract from acc */ - __asm__ __volatile__("wrdsp %[pos], 1 \n\t" : : [pos] "r"(pos)); - - // First transform rows - idct8_rows_dspr2(input, outptr, 8); - - // Then transform columns and add to dest - idct8_columns_add_blk_dspr2(&out[0], dest, dest_stride); -} - -void aom_idct8x8_12_add_dspr2(const int16_t *input, uint8_t *dest, - int dest_stride) { - DECLARE_ALIGNED(32, int16_t, out[8 * 8]); - int16_t *outptr = out; - uint32_t pos = 45; - - /* bit positon for extract from acc */ - __asm__ __volatile__("wrdsp %[pos], 1 \n\t" : : [pos] "r"(pos)); - - // First transform rows - idct8_rows_dspr2(input, outptr, 4); - - outptr += 4; - - __asm__ __volatile__( - "sw $zero, 0(%[outptr]) \n\t" - "sw $zero, 4(%[outptr]) \n\t" - "sw $zero, 16(%[outptr]) \n\t" - "sw $zero, 20(%[outptr]) \n\t" - "sw $zero, 32(%[outptr]) \n\t" - "sw $zero, 36(%[outptr]) \n\t" - "sw $zero, 48(%[outptr]) \n\t" - "sw $zero, 52(%[outptr]) \n\t" - "sw $zero, 64(%[outptr]) \n\t" - "sw $zero, 68(%[outptr]) \n\t" - "sw $zero, 80(%[outptr]) \n\t" - "sw $zero, 84(%[outptr]) \n\t" - "sw $zero, 96(%[outptr]) \n\t" - "sw $zero, 100(%[outptr]) \n\t" - "sw $zero, 112(%[outptr]) \n\t" - "sw $zero, 116(%[outptr]) \n\t" - - : - : [outptr] "r"(outptr)); - - // Then transform columns and add to dest - idct8_columns_add_blk_dspr2(&out[0], dest, dest_stride); -} - -void aom_idct8x8_1_add_dspr2(const int16_t *input, uint8_t *dest, - int dest_stride) { - uint32_t pos = 45; - int32_t out; - int32_t r; - int32_t a1, absa1; - int32_t t1, t2, vector_a1, vector_1, vector_2; - - /* bit positon for extract from acc */ - __asm__ __volatile__("wrdsp %[pos], 1 \n\t" - - : - : [pos] "r"(pos)); - - out = DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input[0]); - __asm__ __volatile__( - "addi %[out], %[out], 16 \n\t" - "sra %[a1], %[out], 5 \n\t" - - : [out] "+r"(out), [a1] "=r"(a1) - :); - - if (a1 < 0) { - /* use quad-byte - * input and output memory are four byte aligned */ - __asm__ __volatile__( - "abs %[absa1], %[a1] \n\t" - "replv.qb %[vector_a1], %[absa1] \n\t" - - : [absa1] "=r"(absa1), [vector_a1] "=r"(vector_a1) - : [a1] "r"(a1)); - - for (r = 8; r--;) { - __asm__ __volatile__( - "lw %[t1], 0(%[dest]) \n\t" - "lw %[t2], 4(%[dest]) \n\t" - "subu_s.qb %[vector_1], %[t1], %[vector_a1] \n\t" - "subu_s.qb %[vector_2], %[t2], %[vector_a1] \n\t" - "sw %[vector_1], 0(%[dest]) \n\t" - "sw %[vector_2], 4(%[dest]) \n\t" - "add %[dest], %[dest], %[dest_stride] \n\t" - - : [t1] "=&r"(t1), [t2] "=&r"(t2), [vector_1] "=&r"(vector_1), - [vector_2] "=&r"(vector_2), [dest] "+&r"(dest) - : [dest_stride] "r"(dest_stride), [vector_a1] "r"(vector_a1)); - } - } else { - /* use quad-byte - * input and output memory are four byte aligned */ - __asm__ __volatile__("replv.qb %[vector_a1], %[a1] \n\t" - - : [vector_a1] "=r"(vector_a1) - : [a1] "r"(a1)); - - for (r = 8; r--;) { - __asm__ __volatile__( - "lw %[t1], 0(%[dest]) \n\t" - "lw %[t2], 4(%[dest]) \n\t" - "addu_s.qb %[vector_1], %[t1], %[vector_a1] \n\t" - "addu_s.qb %[vector_2], %[t2], %[vector_a1] \n\t" - "sw %[vector_1], 0(%[dest]) \n\t" - "sw %[vector_2], 4(%[dest]) \n\t" - "add %[dest], %[dest], %[dest_stride] \n\t" - - : [t1] "=&r"(t1), [t2] "=&r"(t2), [vector_1] "=&r"(vector_1), - [vector_2] "=&r"(vector_2), [dest] "+r"(dest) - : [dest_stride] "r"(dest_stride), [vector_a1] "r"(vector_a1)); - } - } -} - -void iadst8_dspr2(const int16_t *input, int16_t *output) { - int s0, s1, s2, s3, s4, s5, s6, s7; - int x0, x1, x2, x3, x4, x5, x6, x7; - - x0 = input[7]; - x1 = input[0]; - x2 = input[5]; - x3 = input[2]; - x4 = input[3]; - x5 = input[4]; - x6 = input[1]; - x7 = input[6]; - - if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) { - output[0] = output[1] = output[2] = output[3] = output[4] = output[5] = - output[6] = output[7] = 0; - return; - } - - // stage 1 - s0 = cospi_2_64 * x0 + cospi_30_64 * x1; - s1 = cospi_30_64 * x0 - cospi_2_64 * x1; - s2 = cospi_10_64 * x2 + cospi_22_64 * x3; - s3 = cospi_22_64 * x2 - cospi_10_64 * x3; - s4 = cospi_18_64 * x4 + cospi_14_64 * x5; - s5 = cospi_14_64 * x4 - cospi_18_64 * x5; - s6 = cospi_26_64 * x6 + cospi_6_64 * x7; - s7 = cospi_6_64 * x6 - cospi_26_64 * x7; - - x0 = ROUND_POWER_OF_TWO((s0 + s4), DCT_CONST_BITS); - x1 = ROUND_POWER_OF_TWO((s1 + s5), DCT_CONST_BITS); - x2 = ROUND_POWER_OF_TWO((s2 + s6), DCT_CONST_BITS); - x3 = ROUND_POWER_OF_TWO((s3 + s7), DCT_CONST_BITS); - x4 = ROUND_POWER_OF_TWO((s0 - s4), DCT_CONST_BITS); - x5 = ROUND_POWER_OF_TWO((s1 - s5), DCT_CONST_BITS); - x6 = ROUND_POWER_OF_TWO((s2 - s6), DCT_CONST_BITS); - x7 = ROUND_POWER_OF_TWO((s3 - s7), DCT_CONST_BITS); - - // stage 2 - s0 = x0; - s1 = x1; - s2 = x2; - s3 = x3; - s4 = cospi_8_64 * x4 + cospi_24_64 * x5; - s5 = cospi_24_64 * x4 - cospi_8_64 * x5; - s6 = -cospi_24_64 * x6 + cospi_8_64 * x7; - s7 = cospi_8_64 * x6 + cospi_24_64 * x7; - - x0 = s0 + s2; - x1 = s1 + s3; - x2 = s0 - s2; - x3 = s1 - s3; - x4 = ROUND_POWER_OF_TWO((s4 + s6), DCT_CONST_BITS); - x5 = ROUND_POWER_OF_TWO((s5 + s7), DCT_CONST_BITS); - x6 = ROUND_POWER_OF_TWO((s4 - s6), DCT_CONST_BITS); - x7 = ROUND_POWER_OF_TWO((s5 - s7), DCT_CONST_BITS); - - // stage 3 - s2 = cospi_16_64 * (x2 + x3); - s3 = cospi_16_64 * (x2 - x3); - s6 = cospi_16_64 * (x6 + x7); - s7 = cospi_16_64 * (x6 - x7); - - x2 = ROUND_POWER_OF_TWO((s2), DCT_CONST_BITS); - x3 = ROUND_POWER_OF_TWO((s3), DCT_CONST_BITS); - x6 = ROUND_POWER_OF_TWO((s6), DCT_CONST_BITS); - x7 = ROUND_POWER_OF_TWO((s7), DCT_CONST_BITS); - - output[0] = x0; - output[1] = -x4; - output[2] = x6; - output[3] = -x2; - output[4] = x3; - output[5] = -x7; - output[6] = x5; - output[7] = -x1; -} -#endif // HAVE_DSPR2 |