ref: 808a560be6a71dd0d27f29c26f9fefb5e809d373
dir: /vpx_dsp/mips/itrans32_cols_dspr2.c/
/*
* Copyright (c) 2013 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 "./vpx_config.h"
#include "vpx_dsp/mips/inv_txfm_dspr2.h"
#include "vpx_dsp/txfm_common.h"
#if HAVE_DSPR2
void vpx_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest,
int dest_stride) {
int16_t step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6;
int16_t step1_7, step1_8, step1_9, step1_10, step1_11, step1_12, step1_13;
int16_t step1_14, step1_15, step1_16, step1_17, step1_18, step1_19;
int16_t step1_20, step1_21, step1_22, step1_23, step1_24, step1_25, step1_26;
int16_t step1_27, step1_28, step1_29, step1_30, step1_31;
int16_t step2_0, step2_1, step2_2, step2_3, step2_4, step2_5, step2_6;
int16_t step2_7, step2_8, step2_9, step2_10, step2_11, step2_12, step2_13;
int16_t step2_14, step2_15, step2_16, step2_17, step2_18, step2_19, step2_20;
int16_t step2_21, step2_22, step2_23, step2_24, step2_25, step2_26, step2_27;
int16_t step2_28, step2_29, step2_30, step2_31;
int16_t step3_8, step3_9, step3_10, step3_11, step3_12, step3_13, step3_14;
int16_t step3_15, step3_16, step3_17, step3_18, step3_19, step3_20, step3_21;
int16_t step3_22, step3_23, step3_24, step3_25, step3_26, step3_27;
int16_t step3_28, step3_29, step3_30, step3_31;
int temp0, temp1, temp2, temp3;
int load1, load2, load3, load4;
int result1, result2;
int i, temp21;
uint8_t *dest_pix, *dest_pix1;
const int const_2_power_13 = 8192;
uint8_t *cm = vpx_ff_cropTbl;
/* prefetch vpx_ff_cropTbl */
prefetch_load(vpx_ff_cropTbl);
prefetch_load(vpx_ff_cropTbl + 32);
prefetch_load(vpx_ff_cropTbl + 64);
prefetch_load(vpx_ff_cropTbl + 96);
prefetch_load(vpx_ff_cropTbl + 128);
prefetch_load(vpx_ff_cropTbl + 160);
prefetch_load(vpx_ff_cropTbl + 192);
prefetch_load(vpx_ff_cropTbl + 224);
for (i = 0; i < 32; ++i) {
dest_pix = dest + i;
dest_pix1 = dest + i + 31 * dest_stride;
__asm__ __volatile__(
"lh %[load1], 2(%[input]) \n\t"
"lh %[load2], 62(%[input]) \n\t"
"lh %[load3], 34(%[input]) \n\t"
"lh %[load4], 30(%[input]) \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"madd $ac1, %[load1], %[cospi_31_64] \n\t"
"msub $ac1, %[load2], %[cospi_1_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
"madd $ac3, %[load1], %[cospi_1_64] \n\t"
"madd $ac3, %[load2], %[cospi_31_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"madd $ac2, %[load3], %[cospi_15_64] \n\t"
"msub $ac2, %[load4], %[cospi_17_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
"madd $ac1, %[load3], %[cospi_17_64] \n\t"
"madd $ac1, %[load4], %[cospi_15_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sub %[load1], %[temp3], %[temp2] \n\t"
"sub %[load2], %[temp0], %[temp1] \n\t"
"madd $ac1, %[load1], %[cospi_28_64] \n\t"
"msub $ac1, %[load2], %[cospi_4_64] \n\t"
"madd $ac3, %[load1], %[cospi_4_64] \n\t"
"madd $ac3, %[load2], %[cospi_28_64] \n\t"
"extp %[step1_17], $ac1, 31 \n\t"
"extp %[step1_30], $ac3, 31 \n\t"
"add %[step1_16], %[temp0], %[temp1] \n\t"
"add %[step1_31], %[temp2], %[temp3] \n\t"
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
[temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_16] "=r"(step1_16),
[step1_17] "=r"(step1_17), [step1_30] "=r"(step1_30),
[step1_31] "=r"(step1_31)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_31_64] "r"(cospi_31_64), [cospi_1_64] "r"(cospi_1_64),
[cospi_4_64] "r"(cospi_4_64), [cospi_17_64] "r"(cospi_17_64),
[cospi_15_64] "r"(cospi_15_64), [cospi_28_64] "r"(cospi_28_64));
__asm__ __volatile__(
"lh %[load1], 18(%[input]) \n\t"
"lh %[load2], 46(%[input]) \n\t"
"lh %[load3], 50(%[input]) \n\t"
"lh %[load4], 14(%[input]) \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"madd $ac1, %[load1], %[cospi_23_64] \n\t"
"msub $ac1, %[load2], %[cospi_9_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
"madd $ac3, %[load1], %[cospi_9_64] \n\t"
"madd $ac3, %[load2], %[cospi_23_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"madd $ac2, %[load3], %[cospi_7_64] \n\t"
"msub $ac2, %[load4], %[cospi_25_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
"madd $ac1, %[load3], %[cospi_25_64] \n\t"
"madd $ac1, %[load4], %[cospi_7_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sub %[load1], %[temp1], %[temp0] \n\t"
"sub %[load2], %[temp2], %[temp3] \n\t"
"msub $ac1, %[load1], %[cospi_28_64] \n\t"
"msub $ac1, %[load2], %[cospi_4_64] \n\t"
"msub $ac3, %[load1], %[cospi_4_64] \n\t"
"madd $ac3, %[load2], %[cospi_28_64] \n\t"
"extp %[step1_18], $ac1, 31 \n\t"
"extp %[step1_29], $ac3, 31 \n\t"
"add %[step1_19], %[temp0], %[temp1] \n\t"
"add %[step1_28], %[temp2], %[temp3] \n\t"
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
[temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_18] "=r"(step1_18),
[step1_19] "=r"(step1_19), [step1_28] "=r"(step1_28),
[step1_29] "=r"(step1_29)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_23_64] "r"(cospi_23_64), [cospi_9_64] "r"(cospi_9_64),
[cospi_4_64] "r"(cospi_4_64), [cospi_7_64] "r"(cospi_7_64),
[cospi_25_64] "r"(cospi_25_64), [cospi_28_64] "r"(cospi_28_64));
__asm__ __volatile__(
"lh %[load1], 10(%[input]) \n\t"
"lh %[load2], 54(%[input]) \n\t"
"lh %[load3], 42(%[input]) \n\t"
"lh %[load4], 22(%[input]) \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"madd $ac1, %[load1], %[cospi_27_64] \n\t"
"msub $ac1, %[load2], %[cospi_5_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
"madd $ac3, %[load1], %[cospi_5_64] \n\t"
"madd $ac3, %[load2], %[cospi_27_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"madd $ac2, %[load3], %[cospi_11_64] \n\t"
"msub $ac2, %[load4], %[cospi_21_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
"madd $ac1, %[load3], %[cospi_21_64] \n\t"
"madd $ac1, %[load4], %[cospi_11_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sub %[load1], %[temp0], %[temp1] \n\t"
"sub %[load2], %[temp3], %[temp2] \n\t"
"madd $ac1, %[load2], %[cospi_12_64] \n\t"
"msub $ac1, %[load1], %[cospi_20_64] \n\t"
"madd $ac3, %[load1], %[cospi_12_64] \n\t"
"madd $ac3, %[load2], %[cospi_20_64] \n\t"
"extp %[step1_21], $ac1, 31 \n\t"
"extp %[step1_26], $ac3, 31 \n\t"
"add %[step1_20], %[temp0], %[temp1] \n\t"
"add %[step1_27], %[temp2], %[temp3] \n\t"
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
[temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_20] "=r"(step1_20),
[step1_21] "=r"(step1_21), [step1_26] "=r"(step1_26),
[step1_27] "=r"(step1_27)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_27_64] "r"(cospi_27_64), [cospi_5_64] "r"(cospi_5_64),
[cospi_11_64] "r"(cospi_11_64), [cospi_21_64] "r"(cospi_21_64),
[cospi_12_64] "r"(cospi_12_64), [cospi_20_64] "r"(cospi_20_64));
__asm__ __volatile__(
"lh %[load1], 26(%[input]) \n\t"
"lh %[load2], 38(%[input]) \n\t"
"lh %[load3], 58(%[input]) \n\t"
"lh %[load4], 6(%[input]) \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"madd $ac1, %[load1], %[cospi_19_64] \n\t"
"msub $ac1, %[load2], %[cospi_13_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
"madd $ac3, %[load1], %[cospi_13_64] \n\t"
"madd $ac3, %[load2], %[cospi_19_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"madd $ac2, %[load3], %[cospi_3_64] \n\t"
"msub $ac2, %[load4], %[cospi_29_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
"madd $ac1, %[load3], %[cospi_29_64] \n\t"
"madd $ac1, %[load4], %[cospi_3_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sub %[load1], %[temp1], %[temp0] \n\t"
"sub %[load2], %[temp2], %[temp3] \n\t"
"msub $ac1, %[load1], %[cospi_12_64] \n\t"
"msub $ac1, %[load2], %[cospi_20_64] \n\t"
"msub $ac3, %[load1], %[cospi_20_64] \n\t"
"madd $ac3, %[load2], %[cospi_12_64] \n\t"
"extp %[step1_22], $ac1, 31 \n\t"
"extp %[step1_25], $ac3, 31 \n\t"
"add %[step1_23], %[temp0], %[temp1] \n\t"
"add %[step1_24], %[temp2], %[temp3] \n\t"
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
[temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_22] "=r"(step1_22),
[step1_23] "=r"(step1_23), [step1_24] "=r"(step1_24),
[step1_25] "=r"(step1_25)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_19_64] "r"(cospi_19_64), [cospi_13_64] "r"(cospi_13_64),
[cospi_3_64] "r"(cospi_3_64), [cospi_29_64] "r"(cospi_29_64),
[cospi_12_64] "r"(cospi_12_64), [cospi_20_64] "r"(cospi_20_64));
__asm__ __volatile__(
"lh %[load1], 4(%[input]) \n\t"
"lh %[load2], 60(%[input]) \n\t"
"lh %[load3], 36(%[input]) \n\t"
"lh %[load4], 28(%[input]) \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"madd $ac1, %[load1], %[cospi_30_64] \n\t"
"msub $ac1, %[load2], %[cospi_2_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
"madd $ac3, %[load1], %[cospi_2_64] \n\t"
"madd $ac3, %[load2], %[cospi_30_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"madd $ac2, %[load3], %[cospi_14_64] \n\t"
"msub $ac2, %[load4], %[cospi_18_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
"madd $ac1, %[load3], %[cospi_18_64] \n\t"
"madd $ac1, %[load4], %[cospi_14_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sub %[load1], %[temp0], %[temp1] \n\t"
"sub %[load2], %[temp3], %[temp2] \n\t"
"msub $ac1, %[load1], %[cospi_8_64] \n\t"
"madd $ac1, %[load2], %[cospi_24_64] \n\t"
"madd $ac3, %[load1], %[cospi_24_64] \n\t"
"madd $ac3, %[load2], %[cospi_8_64] \n\t"
"extp %[step2_9], $ac1, 31 \n\t"
"extp %[step2_14], $ac3, 31 \n\t"
"add %[step2_8], %[temp0], %[temp1] \n\t"
"add %[step2_15], %[temp2], %[temp3] \n\t"
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
[temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step2_8] "=r"(step2_8),
[step2_9] "=r"(step2_9), [step2_14] "=r"(step2_14),
[step2_15] "=r"(step2_15)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_30_64] "r"(cospi_30_64), [cospi_2_64] "r"(cospi_2_64),
[cospi_14_64] "r"(cospi_14_64), [cospi_18_64] "r"(cospi_18_64),
[cospi_8_64] "r"(cospi_8_64), [cospi_24_64] "r"(cospi_24_64));
__asm__ __volatile__(
"lh %[load1], 20(%[input]) \n\t"
"lh %[load2], 44(%[input]) \n\t"
"lh %[load3], 52(%[input]) \n\t"
"lh %[load4], 12(%[input]) \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"madd $ac1, %[load1], %[cospi_22_64] \n\t"
"msub $ac1, %[load2], %[cospi_10_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
"madd $ac3, %[load1], %[cospi_10_64] \n\t"
"madd $ac3, %[load2], %[cospi_22_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"madd $ac2, %[load3], %[cospi_6_64] \n\t"
"msub $ac2, %[load4], %[cospi_26_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
"madd $ac1, %[load3], %[cospi_26_64] \n\t"
"madd $ac1, %[load4], %[cospi_6_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sub %[load1], %[temp1], %[temp0] \n\t"
"sub %[load2], %[temp2], %[temp3] \n\t"
"msub $ac1, %[load1], %[cospi_24_64] \n\t"
"msub $ac1, %[load2], %[cospi_8_64] \n\t"
"madd $ac3, %[load2], %[cospi_24_64] \n\t"
"msub $ac3, %[load1], %[cospi_8_64] \n\t"
"extp %[step2_10], $ac1, 31 \n\t"
"extp %[step2_13], $ac3, 31 \n\t"
"add %[step2_11], %[temp0], %[temp1] \n\t"
"add %[step2_12], %[temp2], %[temp3] \n\t"
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
[temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step2_10] "=r"(step2_10),
[step2_11] "=r"(step2_11), [step2_12] "=r"(step2_12),
[step2_13] "=r"(step2_13)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_22_64] "r"(cospi_22_64), [cospi_10_64] "r"(cospi_10_64),
[cospi_6_64] "r"(cospi_6_64), [cospi_26_64] "r"(cospi_26_64),
[cospi_8_64] "r"(cospi_8_64), [cospi_24_64] "r"(cospi_24_64));
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
"sub %[temp0], %[step2_14], %[step2_13] \n\t"
"sub %[temp0], %[temp0], %[step2_9] \n\t"
"add %[temp0], %[temp0], %[step2_10] \n\t"
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"sub %[temp1], %[step2_14], %[step2_13] \n\t"
"add %[temp1], %[temp1], %[step2_9] \n\t"
"sub %[temp1], %[temp1], %[step2_10] \n\t"
"madd $ac1, %[temp1], %[cospi_16_64] \n\t"
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"sub %[temp0], %[step2_15], %[step2_12] \n\t"
"sub %[temp0], %[temp0], %[step2_8] \n\t"
"add %[temp0], %[temp0], %[step2_11] \n\t"
"madd $ac2, %[temp0], %[cospi_16_64] \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sub %[temp1], %[step2_15], %[step2_12] \n\t"
"add %[temp1], %[temp1], %[step2_8] \n\t"
"sub %[temp1], %[temp1], %[step2_11] \n\t"
"madd $ac3, %[temp1], %[cospi_16_64] \n\t"
"add %[step3_8], %[step2_8], %[step2_11] \n\t"
"add %[step3_9], %[step2_9], %[step2_10] \n\t"
"add %[step3_14], %[step2_13], %[step2_14] \n\t"
"add %[step3_15], %[step2_12], %[step2_15] \n\t"
"extp %[step3_10], $ac0, 31 \n\t"
"extp %[step3_13], $ac1, 31 \n\t"
"extp %[step3_11], $ac2, 31 \n\t"
"extp %[step3_12], $ac3, 31 \n\t"
: [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [step3_8] "=r"(step3_8),
[step3_9] "=r"(step3_9), [step3_10] "=r"(step3_10),
[step3_11] "=r"(step3_11), [step3_12] "=r"(step3_12),
[step3_13] "=r"(step3_13), [step3_14] "=r"(step3_14),
[step3_15] "=r"(step3_15)
: [const_2_power_13] "r"(const_2_power_13), [step2_8] "r"(step2_8),
[step2_9] "r"(step2_9), [step2_10] "r"(step2_10),
[step2_11] "r"(step2_11), [step2_12] "r"(step2_12),
[step2_13] "r"(step2_13), [step2_14] "r"(step2_14),
[step2_15] "r"(step2_15), [cospi_16_64] "r"(cospi_16_64));
step2_18 = step1_17 - step1_18;
step2_29 = step1_30 - step1_29;
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
"msub $ac0, %[step2_18], %[cospi_8_64] \n\t"
"madd $ac0, %[step2_29], %[cospi_24_64] \n\t"
"extp %[step3_18], $ac0, 31 \n\t"
: [step3_18] "=r"(step3_18)
: [const_2_power_13] "r"(const_2_power_13), [step2_18] "r"(step2_18),
[step2_29] "r"(step2_29), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
temp21 = step2_18 * cospi_24_64 + step2_29 * cospi_8_64;
step3_29 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
step2_19 = step1_16 - step1_19;
step2_28 = step1_31 - step1_28;
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
"msub $ac0, %[step2_19], %[cospi_8_64] \n\t"
"madd $ac0, %[step2_28], %[cospi_24_64] \n\t"
"extp %[step3_19], $ac0, 31 \n\t"
: [step3_19] "=r"(step3_19)
: [const_2_power_13] "r"(const_2_power_13), [step2_19] "r"(step2_19),
[step2_28] "r"(step2_28), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
temp21 = step2_19 * cospi_24_64 + step2_28 * cospi_8_64;
step3_28 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
step3_16 = step1_16 + step1_19;
step3_17 = step1_17 + step1_18;
step3_30 = step1_29 + step1_30;
step3_31 = step1_28 + step1_31;
step2_20 = step1_23 - step1_20;
step2_27 = step1_24 - step1_27;
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
"msub $ac0, %[step2_20], %[cospi_24_64] \n\t"
"msub $ac0, %[step2_27], %[cospi_8_64] \n\t"
"extp %[step3_20], $ac0, 31 \n\t"
: [step3_20] "=r"(step3_20)
: [const_2_power_13] "r"(const_2_power_13), [step2_20] "r"(step2_20),
[step2_27] "r"(step2_27), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
temp21 = -step2_20 * cospi_8_64 + step2_27 * cospi_24_64;
step3_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
step2_21 = step1_22 - step1_21;
step2_26 = step1_25 - step1_26;
__asm__ __volatile__(
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"msub $ac1, %[step2_21], %[cospi_24_64] \n\t"
"msub $ac1, %[step2_26], %[cospi_8_64] \n\t"
"extp %[step3_21], $ac1, 31 \n\t"
: [step3_21] "=r"(step3_21)
: [const_2_power_13] "r"(const_2_power_13), [step2_21] "r"(step2_21),
[step2_26] "r"(step2_26), [cospi_24_64] "r"(cospi_24_64),
[cospi_8_64] "r"(cospi_8_64));
temp21 = -step2_21 * cospi_8_64 + step2_26 * cospi_24_64;
step3_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
step3_22 = step1_21 + step1_22;
step3_23 = step1_20 + step1_23;
step3_24 = step1_24 + step1_27;
step3_25 = step1_25 + step1_26;
step2_16 = step3_16 + step3_23;
step2_17 = step3_17 + step3_22;
step2_18 = step3_18 + step3_21;
step2_19 = step3_19 + step3_20;
step2_20 = step3_19 - step3_20;
step2_21 = step3_18 - step3_21;
step2_22 = step3_17 - step3_22;
step2_23 = step3_16 - step3_23;
step2_24 = step3_31 - step3_24;
step2_25 = step3_30 - step3_25;
step2_26 = step3_29 - step3_26;
step2_27 = step3_28 - step3_27;
step2_28 = step3_28 + step3_27;
step2_29 = step3_29 + step3_26;
step2_30 = step3_30 + step3_25;
step2_31 = step3_31 + step3_24;
__asm__ __volatile__(
"lh %[load1], 0(%[input]) \n\t"
"lh %[load2], 32(%[input]) \n\t"
"lh %[load3], 16(%[input]) \n\t"
"lh %[load4], 48(%[input]) \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"add %[result1], %[load1], %[load2] \n\t"
"sub %[result2], %[load1], %[load2] \n\t"
"madd $ac1, %[result1], %[cospi_16_64] \n\t"
"madd $ac2, %[result2], %[cospi_16_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
"extp %[temp1], $ac2, 31 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"madd $ac3, %[load3], %[cospi_24_64] \n\t"
"msub $ac3, %[load4], %[cospi_8_64] \n\t"
"extp %[temp2], $ac3, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"madd $ac1, %[load3], %[cospi_8_64] \n\t"
"madd $ac1, %[load4], %[cospi_24_64] \n\t"
"extp %[temp3], $ac1, 31 \n\t"
"add %[step1_0], %[temp0], %[temp3] \n\t"
"add %[step1_1], %[temp1], %[temp2] \n\t"
"sub %[step1_2], %[temp1], %[temp2] \n\t"
"sub %[step1_3], %[temp0], %[temp3] \n\t"
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [result1] "=&r"(result1),
[result2] "=&r"(result2), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
[temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_0] "=r"(step1_0),
[step1_1] "=r"(step1_1), [step1_2] "=r"(step1_2),
[step1_3] "=r"(step1_3)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_24_64] "r"(cospi_24_64), [cospi_8_64] "r"(cospi_8_64),
[cospi_16_64] "r"(cospi_16_64));
__asm__ __volatile__(
"lh %[load1], 8(%[input]) \n\t"
"lh %[load2], 56(%[input]) \n\t"
"lh %[load3], 40(%[input]) \n\t"
"lh %[load4], 24(%[input]) \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"madd $ac1, %[load1], %[cospi_28_64] \n\t"
"msub $ac1, %[load2], %[cospi_4_64] \n\t"
"extp %[temp0], $ac1, 31 \n\t"
"madd $ac3, %[load1], %[cospi_4_64] \n\t"
"madd $ac3, %[load2], %[cospi_28_64] \n\t"
"extp %[temp3], $ac3, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"madd $ac2, %[load3], %[cospi_12_64] \n\t"
"msub $ac2, %[load4], %[cospi_20_64] \n\t"
"extp %[temp1], $ac2, 31 \n\t"
"madd $ac1, %[load3], %[cospi_20_64] \n\t"
"madd $ac1, %[load4], %[cospi_12_64] \n\t"
"extp %[temp2], $ac1, 31 \n\t"
"mtlo %[const_2_power_13], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"mtlo %[const_2_power_13], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sub %[load1], %[temp3], %[temp2] \n\t"
"sub %[load1], %[load1], %[temp0] \n\t"
"add %[load1], %[load1], %[temp1] \n\t"
"sub %[load2], %[temp0], %[temp1] \n\t"
"sub %[load2], %[load2], %[temp2] \n\t"
"add %[load2], %[load2], %[temp3] \n\t"
"madd $ac1, %[load1], %[cospi_16_64] \n\t"
"madd $ac3, %[load2], %[cospi_16_64] \n\t"
"extp %[step1_5], $ac1, 31 \n\t"
"extp %[step1_6], $ac3, 31 \n\t"
"add %[step1_4], %[temp0], %[temp1] \n\t"
"add %[step1_7], %[temp3], %[temp2] \n\t"
: [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3),
[load4] "=&r"(load4), [temp0] "=&r"(temp0), [temp1] "=&r"(temp1),
[temp2] "=&r"(temp2), [temp3] "=&r"(temp3), [step1_4] "=r"(step1_4),
[step1_5] "=r"(step1_5), [step1_6] "=r"(step1_6),
[step1_7] "=r"(step1_7)
: [const_2_power_13] "r"(const_2_power_13), [input] "r"(input),
[cospi_20_64] "r"(cospi_20_64), [cospi_12_64] "r"(cospi_12_64),
[cospi_4_64] "r"(cospi_4_64), [cospi_28_64] "r"(cospi_28_64),
[cospi_16_64] "r"(cospi_16_64));
step2_0 = step1_0 + step1_7;
step2_1 = step1_1 + step1_6;
step2_2 = step1_2 + step1_5;
step2_3 = step1_3 + step1_4;
step2_4 = step1_3 - step1_4;
step2_5 = step1_2 - step1_5;
step2_6 = step1_1 - step1_6;
step2_7 = step1_0 - step1_7;
// stage 7
step1_0 = step2_0 + step3_15;
step1_1 = step2_1 + step3_14;
step1_2 = step2_2 + step3_13;
step1_3 = step2_3 + step3_12;
step1_4 = step2_4 + step3_11;
step1_5 = step2_5 + step3_10;
step1_6 = step2_6 + step3_9;
step1_7 = step2_7 + step3_8;
step1_8 = step2_7 - step3_8;
step1_9 = step2_6 - step3_9;
step1_10 = step2_5 - step3_10;
step1_11 = step2_4 - step3_11;
step1_12 = step2_3 - step3_12;
step1_13 = step2_2 - step3_13;
step1_14 = step2_1 - step3_14;
step1_15 = step2_0 - step3_15;
__asm__ __volatile__(
"sub %[temp0], %[step2_27], %[step2_20] \n\t"
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
"extp %[step1_20], $ac0, 31 \n\t"
: [temp0] "=&r"(temp0), [step1_20] "=r"(step1_20)
: [const_2_power_13] "r"(const_2_power_13), [step2_20] "r"(step2_20),
[step2_27] "r"(step2_27), [cospi_16_64] "r"(cospi_16_64));
temp21 = (step2_20 + step2_27) * cospi_16_64;
step1_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
__asm__ __volatile__(
"sub %[temp0], %[step2_26], %[step2_21] \n\t"
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
"extp %[step1_21], $ac0, 31 \n\t"
: [temp0] "=&r"(temp0), [step1_21] "=r"(step1_21)
: [const_2_power_13] "r"(const_2_power_13), [step2_26] "r"(step2_26),
[step2_21] "r"(step2_21), [cospi_16_64] "r"(cospi_16_64));
temp21 = (step2_21 + step2_26) * cospi_16_64;
step1_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
__asm__ __volatile__(
"sub %[temp0], %[step2_25], %[step2_22] \n\t"
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
"extp %[step1_22], $ac0, 31 \n\t"
: [temp0] "=&r"(temp0), [step1_22] "=r"(step1_22)
: [const_2_power_13] "r"(const_2_power_13), [step2_25] "r"(step2_25),
[step2_22] "r"(step2_22), [cospi_16_64] "r"(cospi_16_64));
temp21 = (step2_22 + step2_25) * cospi_16_64;
step1_25 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
__asm__ __volatile__(
"sub %[temp0], %[step2_24], %[step2_23] \n\t"
"mtlo %[const_2_power_13], $ac0 \n\t"
"mthi $zero, $ac0 \n\t"
"madd $ac0, %[temp0], %[cospi_16_64] \n\t"
"extp %[step1_23], $ac0, 31 \n\t"
: [temp0] "=&r"(temp0), [step1_23] "=r"(step1_23)
: [const_2_power_13] "r"(const_2_power_13), [step2_24] "r"(step2_24),
[step2_23] "r"(step2_23), [cospi_16_64] "r"(cospi_16_64));
temp21 = (step2_23 + step2_24) * cospi_16_64;
step1_24 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
__asm__ __volatile__(
"lbu %[temp2], 0(%[dest_pix]) \n\t"
"add %[temp0], %[step1_0], %[step2_31] \n\t"
"addi %[temp0], %[temp0], 32 \n\t"
"sra %[temp0], %[temp0], 6 \n\t"
"add %[temp2], %[temp2], %[temp0] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"add %[temp1], %[step1_1], %[step2_30] \n\t"
"sb %[temp0], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix]) \n\t"
"addi %[temp1], %[temp1], 32 \n\t"
"sra %[temp1], %[temp1], 6 \n\t"
"add %[temp3], %[temp3], %[temp1] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp2], 0(%[dest_pix]) \n\t"
"add %[temp0], %[step1_2], %[step2_29] \n\t"
"addi %[temp0], %[temp0], 32 \n\t"
"sra %[temp0], %[temp0], 6 \n\t"
"add %[temp2], %[temp2], %[temp0] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"add %[temp1], %[step1_3], %[step2_28] \n\t"
"sb %[temp0], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix]) \n\t"
"addi %[temp1], %[temp1], 32 \n\t"
"sra %[temp1], %[temp1], 6 \n\t"
"add %[temp3], %[temp3], %[temp1] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
: [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
[temp3] "=&r"(temp3), [dest_pix] "+r"(dest_pix)
: [cm] "r"(cm), [dest_stride] "r"(dest_stride), [step1_0] "r"(step1_0),
[step1_1] "r"(step1_1), [step1_2] "r"(step1_2),
[step1_3] "r"(step1_3), [step2_28] "r"(step2_28),
[step2_29] "r"(step2_29), [step2_30] "r"(step2_30),
[step2_31] "r"(step2_31));
step3_12 = ROUND_POWER_OF_TWO((step1_3 - step2_28), 6);
step3_13 = ROUND_POWER_OF_TWO((step1_2 - step2_29), 6);
step3_14 = ROUND_POWER_OF_TWO((step1_1 - step2_30), 6);
step3_15 = ROUND_POWER_OF_TWO((step1_0 - step2_31), 6);
__asm__ __volatile__(
"lbu %[temp2], 0(%[dest_pix1]) \n\t"
"add %[temp2], %[temp2], %[step3_15] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"sb %[temp0], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix1]) \n\t"
"add %[temp3], %[temp3], %[step3_14] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp2], 0(%[dest_pix1]) \n\t"
"add %[temp2], %[temp2], %[step3_13] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"sb %[temp0], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix1]) \n\t"
"add %[temp3], %[temp3], %[step3_12] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
: [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
[temp3] "=&r"(temp3), [dest_pix1] "+r"(dest_pix1)
: [cm] "r"(cm), [dest_stride] "r"(dest_stride),
[step3_12] "r"(step3_12), [step3_13] "r"(step3_13),
[step3_14] "r"(step3_14), [step3_15] "r"(step3_15));
__asm__ __volatile__(
"lbu %[temp2], 0(%[dest_pix]) \n\t"
"add %[temp0], %[step1_4], %[step1_27] \n\t"
"addi %[temp0], %[temp0], 32 \n\t"
"sra %[temp0], %[temp0], 6 \n\t"
"add %[temp2], %[temp2], %[temp0] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"add %[temp1], %[step1_5], %[step1_26] \n\t"
"sb %[temp0], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix]) \n\t"
"addi %[temp1], %[temp1], 32 \n\t"
"sra %[temp1], %[temp1], 6 \n\t"
"add %[temp3], %[temp3], %[temp1] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp2], 0(%[dest_pix]) \n\t"
"add %[temp0], %[step1_6], %[step1_25] \n\t"
"addi %[temp0], %[temp0], 32 \n\t"
"sra %[temp0], %[temp0], 6 \n\t"
"add %[temp2], %[temp2], %[temp0] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"add %[temp1], %[step1_7], %[step1_24] \n\t"
"sb %[temp0], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix]) \n\t"
"addi %[temp1], %[temp1], 32 \n\t"
"sra %[temp1], %[temp1], 6 \n\t"
"add %[temp3], %[temp3], %[temp1] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
: [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
[temp3] "=&r"(temp3), [dest_pix] "+r"(dest_pix)
: [cm] "r"(cm), [dest_stride] "r"(dest_stride), [step1_4] "r"(step1_4),
[step1_5] "r"(step1_5), [step1_6] "r"(step1_6),
[step1_7] "r"(step1_7), [step1_24] "r"(step1_24),
[step1_25] "r"(step1_25), [step1_26] "r"(step1_26),
[step1_27] "r"(step1_27));
step3_12 = ROUND_POWER_OF_TWO((step1_7 - step1_24), 6);
step3_13 = ROUND_POWER_OF_TWO((step1_6 - step1_25), 6);
step3_14 = ROUND_POWER_OF_TWO((step1_5 - step1_26), 6);
step3_15 = ROUND_POWER_OF_TWO((step1_4 - step1_27), 6);
__asm__ __volatile__(
"lbu %[temp2], 0(%[dest_pix1]) \n\t"
"add %[temp2], %[temp2], %[step3_15] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"sb %[temp0], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix1]) \n\t"
"add %[temp3], %[temp3], %[step3_14] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp2], 0(%[dest_pix1]) \n\t"
"add %[temp2], %[temp2], %[step3_13] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"sb %[temp0], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix1]) \n\t"
"add %[temp3], %[temp3], %[step3_12] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
: [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
[temp3] "=&r"(temp3), [dest_pix1] "+r"(dest_pix1)
: [cm] "r"(cm), [dest_stride] "r"(dest_stride),
[step3_12] "r"(step3_12), [step3_13] "r"(step3_13),
[step3_14] "r"(step3_14), [step3_15] "r"(step3_15));
__asm__ __volatile__(
"lbu %[temp2], 0(%[dest_pix]) \n\t"
"add %[temp0], %[step1_8], %[step1_23] \n\t"
"addi %[temp0], %[temp0], 32 \n\t"
"sra %[temp0], %[temp0], 6 \n\t"
"add %[temp2], %[temp2], %[temp0] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"add %[temp1], %[step1_9], %[step1_22] \n\t"
"sb %[temp0], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix]) \n\t"
"addi %[temp1], %[temp1], 32 \n\t"
"sra %[temp1], %[temp1], 6 \n\t"
"add %[temp3], %[temp3], %[temp1] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp2], 0(%[dest_pix]) \n\t"
"add %[temp0], %[step1_10], %[step1_21] \n\t"
"addi %[temp0], %[temp0], 32 \n\t"
"sra %[temp0], %[temp0], 6 \n\t"
"add %[temp2], %[temp2], %[temp0] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"add %[temp1], %[step1_11], %[step1_20] \n\t"
"sb %[temp0], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix]) \n\t"
"addi %[temp1], %[temp1], 32 \n\t"
"sra %[temp1], %[temp1], 6 \n\t"
"add %[temp3], %[temp3], %[temp1] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
: [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
[temp3] "=&r"(temp3), [dest_pix] "+r"(dest_pix)
: [cm] "r"(cm), [dest_stride] "r"(dest_stride), [step1_8] "r"(step1_8),
[step1_9] "r"(step1_9), [step1_10] "r"(step1_10),
[step1_11] "r"(step1_11), [step1_20] "r"(step1_20),
[step1_21] "r"(step1_21), [step1_22] "r"(step1_22),
[step1_23] "r"(step1_23));
step3_12 = ROUND_POWER_OF_TWO((step1_11 - step1_20), 6);
step3_13 = ROUND_POWER_OF_TWO((step1_10 - step1_21), 6);
step3_14 = ROUND_POWER_OF_TWO((step1_9 - step1_22), 6);
step3_15 = ROUND_POWER_OF_TWO((step1_8 - step1_23), 6);
__asm__ __volatile__(
"lbu %[temp2], 0(%[dest_pix1]) \n\t"
"add %[temp2], %[temp2], %[step3_15] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"sb %[temp0], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix1]) \n\t"
"add %[temp3], %[temp3], %[step3_14] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp2], 0(%[dest_pix1]) \n\t"
"add %[temp2], %[temp2], %[step3_13] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"sb %[temp0], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix1]) \n\t"
"add %[temp3], %[temp3], %[step3_12] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
: [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
[temp3] "=&r"(temp3), [dest_pix1] "+r"(dest_pix1)
: [cm] "r"(cm), [dest_stride] "r"(dest_stride),
[step3_12] "r"(step3_12), [step3_13] "r"(step3_13),
[step3_14] "r"(step3_14), [step3_15] "r"(step3_15));
__asm__ __volatile__(
"lbu %[temp2], 0(%[dest_pix]) \n\t"
"add %[temp0], %[step1_12], %[step2_19] \n\t"
"addi %[temp0], %[temp0], 32 \n\t"
"sra %[temp0], %[temp0], 6 \n\t"
"add %[temp2], %[temp2], %[temp0] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"add %[temp1], %[step1_13], %[step2_18] \n\t"
"sb %[temp0], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix]) \n\t"
"addi %[temp1], %[temp1], 32 \n\t"
"sra %[temp1], %[temp1], 6 \n\t"
"add %[temp3], %[temp3], %[temp1] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp2], 0(%[dest_pix]) \n\t"
"add %[temp0], %[step1_14], %[step2_17] \n\t"
"addi %[temp0], %[temp0], 32 \n\t"
"sra %[temp0], %[temp0], 6 \n\t"
"add %[temp2], %[temp2], %[temp0] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"add %[temp1], %[step1_15], %[step2_16] \n\t"
"sb %[temp0], 0(%[dest_pix]) \n\t"
"addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix]) \n\t"
"addi %[temp1], %[temp1], 32 \n\t"
"sra %[temp1], %[temp1], 6 \n\t"
"add %[temp3], %[temp3], %[temp1] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix]) \n\t"
: [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
[temp3] "=&r"(temp3), [dest_pix] "+r"(dest_pix)
: [cm] "r"(cm), [dest_stride] "r"(dest_stride),
[step1_12] "r"(step1_12), [step1_13] "r"(step1_13),
[step1_14] "r"(step1_14), [step1_15] "r"(step1_15),
[step2_16] "r"(step2_16), [step2_17] "r"(step2_17),
[step2_18] "r"(step2_18), [step2_19] "r"(step2_19));
step3_12 = ROUND_POWER_OF_TWO((step1_15 - step2_16), 6);
step3_13 = ROUND_POWER_OF_TWO((step1_14 - step2_17), 6);
step3_14 = ROUND_POWER_OF_TWO((step1_13 - step2_18), 6);
step3_15 = ROUND_POWER_OF_TWO((step1_12 - step2_19), 6);
__asm__ __volatile__(
"lbu %[temp2], 0(%[dest_pix1]) \n\t"
"add %[temp2], %[temp2], %[step3_15] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"sb %[temp0], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix1]) \n\t"
"add %[temp3], %[temp3], %[step3_14] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp2], 0(%[dest_pix1]) \n\t"
"add %[temp2], %[temp2], %[step3_13] \n\t"
"lbux %[temp0], %[temp2](%[cm]) \n\t"
"sb %[temp0], 0(%[dest_pix1]) \n\t"
"subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
"lbu %[temp3], 0(%[dest_pix1]) \n\t"
"add %[temp3], %[temp3], %[step3_12] \n\t"
"lbux %[temp1], %[temp3](%[cm]) \n\t"
"sb %[temp1], 0(%[dest_pix1]) \n\t"
: [temp0] "=&r"(temp0), [temp1] "=&r"(temp1), [temp2] "=&r"(temp2),
[temp3] "=&r"(temp3), [dest_pix1] "+r"(dest_pix1)
: [cm] "r"(cm), [dest_stride] "r"(dest_stride),
[step3_12] "r"(step3_12), [step3_13] "r"(step3_13),
[step3_14] "r"(step3_14), [step3_15] "r"(step3_15));
input += 32;
}
}
#endif // #if HAVE_DSPR2