summaryrefslogtreecommitdiffstats
path: root/third_party/aom/aom_dsp/mips/itrans4_dspr2.c
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/aom/aom_dsp/mips/itrans4_dspr2.c')
-rw-r--r--third_party/aom/aom_dsp/mips/itrans4_dspr2.c342
1 files changed, 0 insertions, 342 deletions
diff --git a/third_party/aom/aom_dsp/mips/itrans4_dspr2.c b/third_party/aom/aom_dsp/mips/itrans4_dspr2.c
deleted file mode 100644
index e6d0367cd..000000000
--- a/third_party/aom/aom_dsp/mips/itrans4_dspr2.c
+++ /dev/null
@@ -1,342 +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 aom_idct4_rows_dspr2(const int16_t *input, int16_t *output) {
- int16_t step_0, step_1, step_2, step_3;
- int Temp0, Temp1, Temp2, Temp3;
- const int const_2_power_13 = 8192;
- int i;
-
- for (i = 4; i--;) {
- __asm__ __volatile__(
- /*
- temp_1 = (input[0] + input[2]) * cospi_16_64;
- step_0 = dct_const_round_shift(temp_1);
-
- temp_2 = (input[0] - input[2]) * cospi_16_64;
- step_1 = dct_const_round_shift(temp_2);
- */
- "lh %[Temp0], 0(%[input]) \n\t"
- "lh %[Temp1], 4(%[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"
- "sub %[Temp3], %[Temp0], %[Temp1] \n\t"
- "madd $ac0, %[Temp2], %[cospi_16_64] \n\t"
- "lh %[Temp0], 2(%[input]) \n\t"
- "lh %[Temp1], 6(%[input]) \n\t"
- "extp %[step_0], $ac0, 31 \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
-
- "madd $ac1, %[Temp3], %[cospi_16_64] \n\t"
- "extp %[step_1], $ac1, 31 \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
-
- /*
- temp1 = input[1] * cospi_24_64 - input[3] * cospi_8_64;
- step_2 = dct_const_round_shift(temp1);
- */
- "madd $ac0, %[Temp0], %[cospi_24_64] \n\t"
- "msub $ac0, %[Temp1], %[cospi_8_64] \n\t"
- "extp %[step_2], $ac0, 31 \n\t"
-
- /*
- temp2 = input[1] * cospi_8_64 + input[3] * cospi_24_64;
- step_3 = dct_const_round_shift(temp2);
- */
- "madd $ac1, %[Temp0], %[cospi_8_64] \n\t"
- "madd $ac1, %[Temp1], %[cospi_24_64] \n\t"
- "extp %[step_3], $ac1, 31 \n\t"
-
- /*
- output[0] = step_0 + step_3;
- output[4] = step_1 + step_2;
- output[8] = step_1 - step_2;
- output[12] = step_0 - step_3;
- */
- "add %[Temp0], %[step_0], %[step_3] \n\t"
- "sh %[Temp0], 0(%[output]) \n\t"
-
- "add %[Temp1], %[step_1], %[step_2] \n\t"
- "sh %[Temp1], 8(%[output]) \n\t"
-
- "sub %[Temp2], %[step_1], %[step_2] \n\t"
- "sh %[Temp2], 16(%[output]) \n\t"
-
- "sub %[Temp3], %[step_0], %[step_3] \n\t"
- "sh %[Temp3], 24(%[output]) \n\t"
-
- : [Temp0] "=&r"(Temp0), [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2),
- [Temp3] "=&r"(Temp3), [step_0] "=&r"(step_0), [step_1] "=&r"(step_1),
- [step_2] "=&r"(step_2), [step_3] "=&r"(step_3), [output] "+r"(output)
- : [const_2_power_13] "r"(const_2_power_13),
- [cospi_8_64] "r"(cospi_8_64), [cospi_16_64] "r"(cospi_16_64),
- [cospi_24_64] "r"(cospi_24_64), [input] "r"(input));
-
- input += 4;
- output += 1;
- }
-}
-
-void aom_idct4_columns_add_blk_dspr2(int16_t *input, uint8_t *dest,
- int dest_stride) {
- int16_t step_0, step_1, step_2, step_3;
- int Temp0, Temp1, Temp2, Temp3;
- const int const_2_power_13 = 8192;
- int i;
- 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 < 4; ++i) {
- dest_pix = (dest + i);
-
- __asm__ __volatile__(
- /*
- temp_1 = (input[0] + input[2]) * cospi_16_64;
- step_0 = dct_const_round_shift(temp_1);
-
- temp_2 = (input[0] - input[2]) * cospi_16_64;
- step_1 = dct_const_round_shift(temp_2);
- */
- "lh %[Temp0], 0(%[input]) \n\t"
- "lh %[Temp1], 4(%[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"
- "sub %[Temp3], %[Temp0], %[Temp1] \n\t"
- "madd $ac0, %[Temp2], %[cospi_16_64] \n\t"
- "lh %[Temp0], 2(%[input]) \n\t"
- "lh %[Temp1], 6(%[input]) \n\t"
- "extp %[step_0], $ac0, 31 \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
-
- "madd $ac1, %[Temp3], %[cospi_16_64] \n\t"
- "extp %[step_1], $ac1, 31 \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
-
- /*
- temp1 = input[1] * cospi_24_64 - input[3] * cospi_8_64;
- step_2 = dct_const_round_shift(temp1);
- */
- "madd $ac0, %[Temp0], %[cospi_24_64] \n\t"
- "msub $ac0, %[Temp1], %[cospi_8_64] \n\t"
- "extp %[step_2], $ac0, 31 \n\t"
-
- /*
- temp2 = input[1] * cospi_8_64 + input[3] * cospi_24_64;
- step_3 = dct_const_round_shift(temp2);
- */
- "madd $ac1, %[Temp0], %[cospi_8_64] \n\t"
- "madd $ac1, %[Temp1], %[cospi_24_64] \n\t"
- "extp %[step_3], $ac1, 31 \n\t"
-
- /*
- output[0] = step_0 + step_3;
- output[4] = step_1 + step_2;
- output[8] = step_1 - step_2;
- output[12] = step_0 - step_3;
- */
- "add %[Temp0], %[step_0], %[step_3] \n\t"
- "addi %[Temp0], %[Temp0], 8 \n\t"
- "sra %[Temp0], %[Temp0], 4 \n\t"
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "add %[Temp0], %[step_1], %[step_2] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "addi %[Temp0], %[Temp0], 8 \n\t"
- "sra %[Temp0], %[Temp0], 4 \n\t"
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "sub %[Temp0], %[step_1], %[step_2] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "addi %[Temp0], %[Temp0], 8 \n\t"
- "sra %[Temp0], %[Temp0], 4 \n\t"
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "sub %[Temp0], %[step_0], %[step_3] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "addi %[Temp0], %[Temp0], 8 \n\t"
- "sra %[Temp0], %[Temp0], 4 \n\t"
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
-
- : [Temp0] "=&r"(Temp0), [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2),
- [Temp3] "=&r"(Temp3), [step_0] "=&r"(step_0), [step_1] "=&r"(step_1),
- [step_2] "=&r"(step_2), [step_3] "=&r"(step_3),
- [dest_pix] "+r"(dest_pix)
- : [const_2_power_13] "r"(const_2_power_13),
- [cospi_8_64] "r"(cospi_8_64), [cospi_16_64] "r"(cospi_16_64),
- [cospi_24_64] "r"(cospi_24_64), [input] "r"(input), [cm] "r"(cm),
- [dest_stride] "r"(dest_stride));
-
- input += 4;
- }
-}
-
-void aom_idct4x4_16_add_dspr2(const int16_t *input, uint8_t *dest,
- int dest_stride) {
- DECLARE_ALIGNED(32, int16_t, out[4 * 4]);
- int16_t *outptr = out;
- uint32_t pos = 45;
-
- /* bit positon for extract from acc */
- __asm__ __volatile__("wrdsp %[pos], 1 \n\t"
- :
- : [pos] "r"(pos));
-
- // Rows
- aom_idct4_rows_dspr2(input, outptr);
-
- // Columns
- aom_idct4_columns_add_blk_dspr2(&out[0], dest, dest_stride);
-}
-
-void aom_idct4x4_1_add_dspr2(const int16_t *input, uint8_t *dest,
- int dest_stride) {
- int a1, absa1;
- int r;
- int32_t out;
- int t2, vector_a1, vector_a;
- uint32_t pos = 45;
- int16_t input_dc = input[0];
-
- /* 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_dc);
- __asm__ __volatile__(
- "addi %[out], %[out], 8 \n\t"
- "sra %[a1], %[out], 4 \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 = 4; r--;) {
- __asm__ __volatile__(
- "lw %[t2], 0(%[dest]) \n\t"
- "subu_s.qb %[vector_a], %[t2], %[vector_a1] \n\t"
- "sw %[vector_a], 0(%[dest]) \n\t"
- "add %[dest], %[dest], %[dest_stride] \n\t"
-
- : [t2] "=&r"(t2), [vector_a] "=&r"(vector_a), [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 = 4; r--;) {
- __asm__ __volatile__(
- "lw %[t2], 0(%[dest]) \n\t"
- "addu_s.qb %[vector_a], %[t2], %[vector_a1] \n\t"
- "sw %[vector_a], 0(%[dest]) \n\t"
- "add %[dest], %[dest], %[dest_stride] \n\t"
-
- : [t2] "=&r"(t2), [vector_a] "=&r"(vector_a), [dest] "+&r"(dest)
- : [dest_stride] "r"(dest_stride), [vector_a1] "r"(vector_a1));
- }
- }
-}
-
-void iadst4_dspr2(const int16_t *input, int16_t *output) {
- int s0, s1, s2, s3, s4, s5, s6, s7;
- int x0, x1, x2, x3;
-
- x0 = input[0];
- x1 = input[1];
- x2 = input[2];
- x3 = input[3];
-
- if (!(x0 | x1 | x2 | x3)) {
- output[0] = output[1] = output[2] = output[3] = 0;
- return;
- }
-
- s0 = sinpi_1_9 * x0;
- s1 = sinpi_2_9 * x0;
- s2 = sinpi_3_9 * x1;
- s3 = sinpi_4_9 * x2;
- s4 = sinpi_1_9 * x2;
- s5 = sinpi_2_9 * x3;
- s6 = sinpi_4_9 * x3;
- s7 = x0 - x2 + x3;
-
- x0 = s0 + s3 + s5;
- x1 = s1 - s4 - s6;
- x2 = sinpi_3_9 * s7;
- x3 = s2;
-
- s0 = x0 + x3;
- s1 = x1 + x3;
- s2 = x2;
- s3 = x0 + x1 - x3;
-
- // 1-D transform scaling factor is sqrt(2).
- // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
- // + 1b (addition) = 29b.
- // Hence the output bit depth is 15b.
- output[0] = dct_const_round_shift(s0);
- output[1] = dct_const_round_shift(s1);
- output[2] = dct_const_round_shift(s2);
- output[3] = dct_const_round_shift(s3);
-}
-#endif // #if HAVE_DSPR2