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|
/*
* 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 <assert.h>
#include <stdio.h>
#include "./vpx_config.h"
#include "./vp9_rtcd.h"
#include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_idct.h"
#include "vp9/common/mips/dspr2/vp9_common_dspr2.h"
#if HAVE_DSPR2
static void idct32_1d_rows_dspr2(const int16_t *input, int16_t *output) {
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, step1_20;
int16_t step1_21, step1_22, step1_23, step1_24, step1_25, step1_26, step1_27;
int16_t 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, step3_28;
int16_t step3_29, step3_30, step3_31;
int temp0, temp1, temp2, temp3;
int load1, load2, load3, load4;
int result1, result2;
int temp21;
int i;
const int const_2_power_13 = 8192;
const int32_t *input_int;
for (i = 32; i--; ) {
input_int = (const int32_t *)input;
if (!(input_int[0] | input_int[1] | input_int[2] | input_int[3] |
input_int[4] | input_int[5] | input_int[6] | input_int[7] |
input_int[8] | input_int[9] | input_int[10] | input_int[11] |
input_int[12] | input_int[13] | input_int[14] | input_int[15])) {
input += 32;
__asm__ __volatile__ (
"sh $zero, 0(%[output]) \n\t"
"sh $zero, 64(%[output]) \n\t"
"sh $zero, 128(%[output]) \n\t"
"sh $zero, 192(%[output]) \n\t"
"sh $zero, 256(%[output]) \n\t"
"sh $zero, 320(%[output]) \n\t"
"sh $zero, 384(%[output]) \n\t"
"sh $zero, 448(%[output]) \n\t"
"sh $zero, 512(%[output]) \n\t"
"sh $zero, 576(%[output]) \n\t"
"sh $zero, 640(%[output]) \n\t"
"sh $zero, 704(%[output]) \n\t"
"sh $zero, 768(%[output]) \n\t"
"sh $zero, 832(%[output]) \n\t"
"sh $zero, 896(%[output]) \n\t"
"sh $zero, 960(%[output]) \n\t"
"sh $zero, 1024(%[output]) \n\t"
"sh $zero, 1088(%[output]) \n\t"
"sh $zero, 1152(%[output]) \n\t"
"sh $zero, 1216(%[output]) \n\t"
"sh $zero, 1280(%[output]) \n\t"
"sh $zero, 1344(%[output]) \n\t"
"sh $zero, 1408(%[output]) \n\t"
"sh $zero, 1472(%[output]) \n\t"
"sh $zero, 1536(%[output]) \n\t"
"sh $zero, 1600(%[output]) \n\t"
"sh $zero, 1664(%[output]) \n\t"
"sh $zero, 1728(%[output]) \n\t"
"sh $zero, 1792(%[output]) \n\t"
"sh $zero, 1856(%[output]) \n\t"
"sh $zero, 1920(%[output]) \n\t"
"sh $zero, 1984(%[output]) \n\t"
:
: [output] "r" (output)
);
output += 1;
continue;
}
/* prefetch row */
vp9_prefetch_load((const uint8_t *)(input + 32));
vp9_prefetch_load((const uint8_t *)(input + 48));
__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_16_64] "r" (cospi_16_64),
[cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_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;
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;
// final stage
output[0 * 32] = step1_0 + step2_31;
output[1 * 32] = step1_1 + step2_30;
output[2 * 32] = step1_2 + step2_29;
output[3 * 32] = step1_3 + step2_28;
output[4 * 32] = step1_4 + step1_27;
output[5 * 32] = step1_5 + step1_26;
output[6 * 32] = step1_6 + step1_25;
output[7 * 32] = step1_7 + step1_24;
output[8 * 32] = step1_8 + step1_23;
output[9 * 32] = step1_9 + step1_22;
output[10 * 32] = step1_10 + step1_21;
output[11 * 32] = step1_11 + step1_20;
output[12 * 32] = step1_12 + step2_19;
output[13 * 32] = step1_13 + step2_18;
output[14 * 32] = step1_14 + step2_17;
output[15 * 32] = step1_15 + step2_16;
output[16 * 32] = step1_15 - step2_16;
output[17 * 32] = step1_14 - step2_17;
output[18 * 32] = step1_13 - step2_18;
output[19 * 32] = step1_12 - step2_19;
output[20 * 32] = step1_11 - step1_20;
output[21 * 32] = step1_10 - step1_21;
output[22 * 32] = step1_9 - step1_22;
output[23 * 32] = step1_8 - step1_23;
output[24 * 32] = step1_7 - step1_24;
output[25 * 32] = step1_6 - step1_25;
output[26 * 32] = step1_5 - step1_26;
output[27 * 32] = step1_4 - step1_27;
output[28 * 32] = step1_3 - step2_28;
output[29 * 32] = step1_2 - step2_29;
output[30 * 32] = step1_1 - step2_30;
output[31 * 32] = step1_0 - step2_31;
input += 32;
output += 1;
}
}
void vp9_idct32x32_1024_add_dspr2(const int16_t *input, uint8_t *dest,
int dest_stride) {
DECLARE_ALIGNED(32, int16_t, out[32 * 32]);
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
idct32_1d_rows_dspr2(input, outptr);
// Columns
vp9_idct32_1d_cols_add_blk_dspr2(out, dest, dest_stride);
}
void vp9_idct32x32_1_add_dspr2(const int16_t *input, uint8_t *dest,
int stride) {
int r, out;
int32_t a1, absa1;
int32_t vector_a1;
int32_t t1, t2, t3, t4;
int32_t vector_1, vector_2, vector_3, vector_4;
uint32_t pos = 45;
/* 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], 32 \n\t"
"sra %[a1], %[out], 6 \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 = 32; r--;) {
__asm__ __volatile__ (
"lw %[t1], 0(%[dest]) \n\t"
"lw %[t2], 4(%[dest]) \n\t"
"lw %[t3], 8(%[dest]) \n\t"
"lw %[t4], 12(%[dest]) \n\t"
"subu_s.qb %[vector_1], %[t1], %[vector_a1] \n\t"
"subu_s.qb %[vector_2], %[t2], %[vector_a1] \n\t"
"subu_s.qb %[vector_3], %[t3], %[vector_a1] \n\t"
"subu_s.qb %[vector_4], %[t4], %[vector_a1] \n\t"
"sw %[vector_1], 0(%[dest]) \n\t"
"sw %[vector_2], 4(%[dest]) \n\t"
"sw %[vector_3], 8(%[dest]) \n\t"
"sw %[vector_4], 12(%[dest]) \n\t"
"lw %[t1], 16(%[dest]) \n\t"
"lw %[t2], 20(%[dest]) \n\t"
"lw %[t3], 24(%[dest]) \n\t"
"lw %[t4], 28(%[dest]) \n\t"
"subu_s.qb %[vector_1], %[t1], %[vector_a1] \n\t"
"subu_s.qb %[vector_2], %[t2], %[vector_a1] \n\t"
"subu_s.qb %[vector_3], %[t3], %[vector_a1] \n\t"
"subu_s.qb %[vector_4], %[t4], %[vector_a1] \n\t"
"sw %[vector_1], 16(%[dest]) \n\t"
"sw %[vector_2], 20(%[dest]) \n\t"
"sw %[vector_3], 24(%[dest]) \n\t"
"sw %[vector_4], 28(%[dest]) \n\t"
"add %[dest], %[dest], %[stride] \n\t"
: [t1] "=&r" (t1), [t2] "=&r" (t2), [t3] "=&r" (t3), [t4] "=&r" (t4),
[vector_1] "=&r" (vector_1), [vector_2] "=&r" (vector_2),
[vector_3] "=&r" (vector_3), [vector_4] "=&r" (vector_4),
[dest] "+&r" (dest)
: [stride] "r" (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 = 32; r--;) {
__asm__ __volatile__ (
"lw %[t1], 0(%[dest]) \n\t"
"lw %[t2], 4(%[dest]) \n\t"
"lw %[t3], 8(%[dest]) \n\t"
"lw %[t4], 12(%[dest]) \n\t"
"addu_s.qb %[vector_1], %[t1], %[vector_a1] \n\t"
"addu_s.qb %[vector_2], %[t2], %[vector_a1] \n\t"
"addu_s.qb %[vector_3], %[t3], %[vector_a1] \n\t"
"addu_s.qb %[vector_4], %[t4], %[vector_a1] \n\t"
"sw %[vector_1], 0(%[dest]) \n\t"
"sw %[vector_2], 4(%[dest]) \n\t"
"sw %[vector_3], 8(%[dest]) \n\t"
"sw %[vector_4], 12(%[dest]) \n\t"
"lw %[t1], 16(%[dest]) \n\t"
"lw %[t2], 20(%[dest]) \n\t"
"lw %[t3], 24(%[dest]) \n\t"
"lw %[t4], 28(%[dest]) \n\t"
"addu_s.qb %[vector_1], %[t1], %[vector_a1] \n\t"
"addu_s.qb %[vector_2], %[t2], %[vector_a1] \n\t"
"addu_s.qb %[vector_3], %[t3], %[vector_a1] \n\t"
"addu_s.qb %[vector_4], %[t4], %[vector_a1] \n\t"
"sw %[vector_1], 16(%[dest]) \n\t"
"sw %[vector_2], 20(%[dest]) \n\t"
"sw %[vector_3], 24(%[dest]) \n\t"
"sw %[vector_4], 28(%[dest]) \n\t"
"add %[dest], %[dest], %[stride] \n\t"
: [t1] "=&r" (t1), [t2] "=&r" (t2), [t3] "=&r" (t3), [t4] "=&r" (t4),
[vector_1] "=&r" (vector_1), [vector_2] "=&r" (vector_2),
[vector_3] "=&r" (vector_3), [vector_4] "=&r" (vector_4),
[dest] "+&r" (dest)
: [stride] "r" (stride), [vector_a1] "r" (vector_a1)
);
}
}
}
#endif // #if HAVE_DSPR2
|
