ref: 612104bb8dd3b40a635deebaca445f00aa069220
dir: /vpx_dsp/mips/itrans16_dspr2.c/
/* * Copyright (c) 2015 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_rtcd.h" #include "vpx_dsp/mips/inv_txfm_dspr2.h" #include "vpx_dsp/txfm_common.h" #if HAVE_DSPR2 void idct16_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows) { int i; int step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6, step1_7; int step1_10, step1_11, step1_12, step1_13; int step2_0, step2_1, step2_2, step2_3; int step2_8, step2_9, step2_10, step2_11; int step2_12, step2_13, step2_14, step2_15; int load1, load2, load3, load4, load5, load6, load7, load8; int result1, result2, result3, result4; const int const_2_power_13 = 8192; for (i = no_rows; i--; ) { /* prefetch row */ prefetch_load((const uint8_t *)(input + 16)); __asm__ __volatile__ ( "lh %[load1], 0(%[input]) \n\t" "lh %[load2], 16(%[input]) \n\t" "lh %[load3], 8(%[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], $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 %[step2_0], $ac1, 31 \n\t" "extp %[step2_1], $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 %[step2_2], $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 %[step2_3], $ac1, 31 \n\t" "add %[step1_0], %[step2_0], %[step2_3] \n\t" "add %[step1_1], %[step2_1], %[step2_2] \n\t" "sub %[step1_2], %[step2_1], %[step2_2] \n\t" "sub %[step1_3], %[step2_0], %[step2_3] \n\t" : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3), [load4] "=&r" (load4), [result1] "=&r" (result1), [result2] "=&r" (result2), [step2_0] "=&r" (step2_0), [step2_1] "=&r" (step2_1), [step2_2] "=&r" (step2_2), [step2_3] "=&r" (step2_3), [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 %[load5], 2(%[input]) \n\t" "lh %[load6], 30(%[input]) \n\t" "lh %[load7], 18(%[input]) \n\t" "lh %[load8], 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, %[load5], %[cospi_30_64] \n\t" "msub $ac1, %[load6], %[cospi_2_64] \n\t" "extp %[result1], $ac1, 31 \n\t" "madd $ac3, %[load7], %[cospi_14_64] \n\t" "msub $ac3, %[load8], %[cospi_18_64] \n\t" "extp %[result2], $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 $ac1, %[load7], %[cospi_18_64] \n\t" "madd $ac1, %[load8], %[cospi_14_64] \n\t" "extp %[result3], $ac1, 31 \n\t" "madd $ac2, %[load5], %[cospi_2_64] \n\t" "madd $ac2, %[load6], %[cospi_30_64] \n\t" "extp %[result4], $ac2, 31 \n\t" "sub %[load5], %[result1], %[result2] \n\t" "sub %[load6], %[result4], %[result3] \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, %[load6], %[cospi_24_64] \n\t" "msub $ac1, %[load5], %[cospi_8_64] \n\t" "madd $ac3, %[load5], %[cospi_24_64] \n\t" "madd $ac3, %[load6], %[cospi_8_64] \n\t" "extp %[step2_9], $ac1, 31 \n\t" "extp %[step2_14], $ac3, 31 \n\t" "add %[step2_8], %[result1], %[result2] \n\t" "add %[step2_15], %[result4], %[result3] \n\t" : [load5] "=&r" (load5), [load6] "=&r" (load6), [load7] "=&r" (load7), [load8] "=&r" (load8), [result1] "=&r" (result1), [result2] "=&r" (result2), [result3] "=&r" (result3), [result4] "=&r" (result4), [step2_8] "=r" (step2_8), [step2_15] "=r" (step2_15), [step2_9] "=r" (step2_9), [step2_14] "=r" (step2_14) : [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_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64) ); __asm__ __volatile__ ( "lh %[load1], 10(%[input]) \n\t" "lh %[load2], 22(%[input]) \n\t" "lh %[load3], 26(%[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_22_64] \n\t" "msub $ac1, %[load2], %[cospi_10_64] \n\t" "extp %[result1], $ac1, 31 \n\t" "madd $ac3, %[load3], %[cospi_6_64] \n\t" "msub $ac3, %[load4], %[cospi_26_64] \n\t" "extp %[result2], $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 $ac1, %[load1], %[cospi_10_64] \n\t" "madd $ac1, %[load2], %[cospi_22_64] \n\t" "extp %[result3], $ac1, 31 \n\t" "madd $ac2, %[load3], %[cospi_26_64] \n\t" "madd $ac2, %[load4], %[cospi_6_64] \n\t" "extp %[result4], $ac2, 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], %[result2], %[result1] \n\t" "sub %[load2], %[result4], %[result3] \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], %[result1], %[result2] \n\t" "add %[step2_12], %[result4], %[result3] \n\t" : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3), [load4] "=&r" (load4), [result1] "=&r" (result1), [result2] "=&r" (result2), [result3] "=&r" (result3), [result4] "=&r" (result4), [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_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64) ); __asm__ __volatile__ ( "lh %[load5], 4(%[input]) \n\t" "lh %[load6], 28(%[input]) \n\t" "lh %[load7], 20(%[input]) \n\t" "lh %[load8], 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, %[load5], %[cospi_28_64] \n\t" "msub $ac1, %[load6], %[cospi_4_64] \n\t" "extp %[result1], $ac1, 31 \n\t" "madd $ac3, %[load7], %[cospi_12_64] \n\t" "msub $ac3, %[load8], %[cospi_20_64] \n\t" "extp %[result2], $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 $ac1, %[load7], %[cospi_20_64] \n\t" "madd $ac1, %[load8], %[cospi_12_64] \n\t" "extp %[result3], $ac1, 31 \n\t" "madd $ac2, %[load5], %[cospi_4_64] \n\t" "madd $ac2, %[load6], %[cospi_28_64] \n\t" "extp %[result4], $ac2, 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 %[load5], %[result4], %[result3] \n\t" "sub %[load5], %[load5], %[result1] \n\t" "add %[load5], %[load5], %[result2] \n\t" "sub %[load6], %[result1], %[result2] \n\t" "sub %[load6], %[load6], %[result3] \n\t" "add %[load6], %[load6], %[result4] \n\t" "madd $ac1, %[load5], %[cospi_16_64] \n\t" "madd $ac3, %[load6], %[cospi_16_64] \n\t" "extp %[step1_5], $ac1, 31 \n\t" "extp %[step1_6], $ac3, 31 \n\t" "add %[step1_4], %[result1], %[result2] \n\t" "add %[step1_7], %[result4], %[result3] \n\t" : [load5] "=&r" (load5), [load6] "=&r" (load6), [load7] "=&r" (load7), [load8] "=&r" (load8), [result1] "=&r" (result1), [result2] "=&r" (result2), [result3] "=&r" (result3), [result4] "=&r" (result4), [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) ); __asm__ __volatile__ ( "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" "sub %[load5], %[step2_14], %[step2_13] \n\t" "sub %[load5], %[load5], %[step2_9] \n\t" "add %[load5], %[load5], %[step2_10] \n\t" "madd $ac0, %[load5], %[cospi_16_64] \n\t" "sub %[load6], %[step2_14], %[step2_13] \n\t" "sub %[load6], %[load6], %[step2_10] \n\t" "add %[load6], %[load6], %[step2_9] \n\t" "madd $ac1, %[load6], %[cospi_16_64] \n\t" "mtlo %[const_2_power_13], $ac2 \n\t" "mthi $zero, $ac2 \n\t" "mtlo %[const_2_power_13], $ac3 \n\t" "mthi $zero, $ac3 \n\t" "sub %[load5], %[step2_15], %[step2_12] \n\t" "sub %[load5], %[load5], %[step2_8] \n\t" "add %[load5], %[load5], %[step2_11] \n\t" "madd $ac2, %[load5], %[cospi_16_64] \n\t" "sub %[load6], %[step2_15], %[step2_12] \n\t" "sub %[load6], %[load6], %[step2_11] \n\t" "add %[load6], %[load6], %[step2_8] \n\t" "madd $ac3, %[load6], %[cospi_16_64] \n\t" "extp %[step1_10], $ac0, 31 \n\t" "extp %[step1_13], $ac1, 31 \n\t" "extp %[step1_11], $ac2, 31 \n\t" "extp %[step1_12], $ac3, 31 \n\t" : [load5] "=&r" (load5), [load6] "=&r" (load6), [step1_10] "=r" (step1_10), [step1_11] "=r" (step1_11), [step1_12] "=r" (step1_12), [step1_13] "=r" (step1_13) : [const_2_power_13] "r" (const_2_power_13), [step2_14] "r" (step2_14), [step2_13] "r" (step2_13), [step2_9] "r" (step2_9), [step2_10] "r" (step2_10), [step2_15] "r" (step2_15), [step2_12] "r" (step2_12), [step2_8] "r" (step2_8), [step2_11] "r" (step2_11), [cospi_16_64] "r" (cospi_16_64) ); __asm__ __volatile__ ( "add %[load5], %[step1_0], %[step1_7] \n\t" "add %[load5], %[load5], %[step2_12] \n\t" "add %[load5], %[load5], %[step2_15] \n\t" "add %[load6], %[step1_1], %[step1_6] \n\t" "add %[load6], %[load6], %[step2_13] \n\t" "add %[load6], %[load6], %[step2_14] \n\t" "sh %[load5], 0(%[output]) \n\t" "sh %[load6], 32(%[output]) \n\t" "sub %[load5], %[step1_1], %[step1_6] \n\t" "add %[load5], %[load5], %[step2_9] \n\t" "add %[load5], %[load5], %[step2_10] \n\t" "sub %[load6], %[step1_0], %[step1_7] \n\t" "add %[load6], %[load6], %[step2_8] \n\t" "add %[load6], %[load6], %[step2_11] \n\t" "sh %[load5], 192(%[output]) \n\t" "sh %[load6], 224(%[output]) \n\t" "sub %[load5], %[step1_0], %[step1_7] \n\t" "sub %[load5], %[load5], %[step2_8] \n\t" "sub %[load5], %[load5], %[step2_11] \n\t" "sub %[load6], %[step1_1], %[step1_6] \n\t" "sub %[load6], %[load6], %[step2_9] \n\t" "sub %[load6], %[load6], %[step2_10] \n\t" "sh %[load5], 256(%[output]) \n\t" "sh %[load6], 288(%[output]) \n\t" "add %[load5], %[step1_1], %[step1_6] \n\t" "sub %[load5], %[load5], %[step2_13] \n\t" "sub %[load5], %[load5], %[step2_14] \n\t" "add %[load6], %[step1_0], %[step1_7] \n\t" "sub %[load6], %[load6], %[step2_12] \n\t" "sub %[load6], %[load6], %[step2_15] \n\t" "sh %[load5], 448(%[output]) \n\t" "sh %[load6], 480(%[output]) \n\t" : [load5] "=&r" (load5), [load6] "=&r" (load6) : [output] "r" (output), [step1_0] "r" (step1_0), [step1_1] "r" (step1_1), [step1_6] "r" (step1_6), [step1_7] "r" (step1_7), [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) ); __asm__ __volatile__ ( "add %[load5], %[step1_2], %[step1_5] \n\t" "add %[load5], %[load5], %[step1_13] \n\t" "add %[load6], %[step1_3], %[step1_4] \n\t" "add %[load6], %[load6], %[step1_12] \n\t" "sh %[load5], 64(%[output]) \n\t" "sh %[load6], 96(%[output]) \n\t" "sub %[load5], %[step1_3], %[step1_4] \n\t" "add %[load5], %[load5], %[step1_11] \n\t" "sub %[load6], %[step1_2], %[step1_5] \n\t" "add %[load6], %[load6], %[step1_10] \n\t" "sh %[load5], 128(%[output]) \n\t" "sh %[load6], 160(%[output]) \n\t" "sub %[load5], %[step1_2], %[step1_5] \n\t" "sub %[load5], %[load5], %[step1_10] \n\t" "sub %[load6], %[step1_3], %[step1_4] \n\t" "sub %[load6], %[load6], %[step1_11] \n\t" "sh %[load5], 320(%[output]) \n\t" "sh %[load6], 352(%[output]) \n\t" "add %[load5], %[step1_3], %[step1_4] \n\t" "sub %[load5], %[load5], %[step1_12] \n\t" "add %[load6], %[step1_2], %[step1_5] \n\t" "sub %[load6], %[load6], %[step1_13] \n\t" "sh %[load5], 384(%[output]) \n\t" "sh %[load6], 416(%[output]) \n\t" : [load5] "=&r" (load5), [load6] "=&r" (load6) : [output] "r" (output), [step1_2] "r" (step1_2), [step1_3] "r" (step1_3), [step1_4] "r" (step1_4), [step1_5] "r" (step1_5), [step1_10] "r" (step1_10), [step1_11] "r" (step1_11), [step1_12] "r" (step1_12), [step1_13] "r" (step1_13) ); input += 16; output += 1; } } void idct16_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, int dest_stride) { int i; int step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6, step1_7; int step1_8, step1_9, step1_10, step1_11; int step1_12, step1_13, step1_14, step1_15; int step2_0, step2_1, step2_2, step2_3; int step2_8, step2_9, step2_10, step2_11; int step2_12, step2_13, step2_14, step2_15; int load1, load2, load3, load4, load5, load6, load7, load8; int result1, result2, result3, result4; const int const_2_power_13 = 8192; uint8_t *dest_pix; 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 < 16; ++i) { dest_pix = (dest + i); __asm__ __volatile__ ( "lh %[load1], 0(%[input]) \n\t" "lh %[load2], 16(%[input]) \n\t" "lh %[load3], 8(%[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], $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 %[step2_0], $ac1, 31 \n\t" "extp %[step2_1], $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 %[step2_2], $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 %[step2_3], $ac1, 31 \n\t" "add %[step1_0], %[step2_0], %[step2_3] \n\t" "add %[step1_1], %[step2_1], %[step2_2] \n\t" "sub %[step1_2], %[step2_1], %[step2_2] \n\t" "sub %[step1_3], %[step2_0], %[step2_3] \n\t" : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3), [load4] "=&r" (load4), [result1] "=&r" (result1), [result2] "=&r" (result2), [step2_0] "=&r" (step2_0), [step2_1] "=&r" (step2_1), [step2_2] "=&r" (step2_2), [step2_3] "=&r" (step2_3), [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 %[load5], 2(%[input]) \n\t" "lh %[load6], 30(%[input]) \n\t" "lh %[load7], 18(%[input]) \n\t" "lh %[load8], 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, %[load5], %[cospi_30_64] \n\t" "msub $ac1, %[load6], %[cospi_2_64] \n\t" "extp %[result1], $ac1, 31 \n\t" "madd $ac3, %[load7], %[cospi_14_64] \n\t" "msub $ac3, %[load8], %[cospi_18_64] \n\t" "extp %[result2], $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 $ac1, %[load7], %[cospi_18_64] \n\t" "madd $ac1, %[load8], %[cospi_14_64] \n\t" "extp %[result3], $ac1, 31 \n\t" "madd $ac2, %[load5], %[cospi_2_64] \n\t" "madd $ac2, %[load6], %[cospi_30_64] \n\t" "extp %[result4], $ac2, 31 \n\t" "sub %[load5], %[result1], %[result2] \n\t" "sub %[load6], %[result4], %[result3] \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, %[load6], %[cospi_24_64] \n\t" "msub $ac1, %[load5], %[cospi_8_64] \n\t" "madd $ac3, %[load5], %[cospi_24_64] \n\t" "madd $ac3, %[load6], %[cospi_8_64] \n\t" "extp %[step2_9], $ac1, 31 \n\t" "extp %[step2_14], $ac3, 31 \n\t" "add %[step2_8], %[result1], %[result2] \n\t" "add %[step2_15], %[result4], %[result3] \n\t" : [load5] "=&r" (load5), [load6] "=&r" (load6), [load7] "=&r" (load7), [load8] "=&r" (load8), [result1] "=&r" (result1), [result2] "=&r" (result2), [result3] "=&r" (result3), [result4] "=&r" (result4), [step2_8] "=r" (step2_8), [step2_15] "=r" (step2_15), [step2_9] "=r" (step2_9), [step2_14] "=r" (step2_14) : [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_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64) ); __asm__ __volatile__ ( "lh %[load1], 10(%[input]) \n\t" "lh %[load2], 22(%[input]) \n\t" "lh %[load3], 26(%[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_22_64] \n\t" "msub $ac1, %[load2], %[cospi_10_64] \n\t" "extp %[result1], $ac1, 31 \n\t" "madd $ac3, %[load3], %[cospi_6_64] \n\t" "msub $ac3, %[load4], %[cospi_26_64] \n\t" "extp %[result2], $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 $ac1, %[load1], %[cospi_10_64] \n\t" "madd $ac1, %[load2], %[cospi_22_64] \n\t" "extp %[result3], $ac1, 31 \n\t" "madd $ac2, %[load3], %[cospi_26_64] \n\t" "madd $ac2, %[load4], %[cospi_6_64] \n\t" "extp %[result4], $ac2, 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], %[result2], %[result1] \n\t" "sub %[load2], %[result4], %[result3] \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], %[result1], %[result2] \n\t" "add %[step2_12], %[result4], %[result3] \n\t" : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3), [load4] "=&r" (load4), [result1] "=&r" (result1), [result2] "=&r" (result2), [result3] "=&r" (result3), [result4] "=&r" (result4), [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_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64) ); __asm__ __volatile__ ( "lh %[load5], 4(%[input]) \n\t" "lh %[load6], 28(%[input]) \n\t" "lh %[load7], 20(%[input]) \n\t" "lh %[load8], 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, %[load5], %[cospi_28_64] \n\t" "msub $ac1, %[load6], %[cospi_4_64] \n\t" "extp %[result1], $ac1, 31 \n\t" "madd $ac3, %[load7], %[cospi_12_64] \n\t" "msub $ac3, %[load8], %[cospi_20_64] \n\t" "extp %[result2], $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 $ac1, %[load7], %[cospi_20_64] \n\t" "madd $ac1, %[load8], %[cospi_12_64] \n\t" "extp %[result3], $ac1, 31 \n\t" "madd $ac2, %[load5], %[cospi_4_64] \n\t" "madd $ac2, %[load6], %[cospi_28_64] \n\t" "extp %[result4], $ac2, 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 %[load5], %[result4], %[result3] \n\t" "sub %[load5], %[load5], %[result1] \n\t" "add %[load5], %[load5], %[result2] \n\t" "sub %[load6], %[result1], %[result2] \n\t" "sub %[load6], %[load6], %[result3] \n\t" "add %[load6], %[load6], %[result4] \n\t" "madd $ac1, %[load5], %[cospi_16_64] \n\t" "madd $ac3, %[load6], %[cospi_16_64] \n\t" "extp %[step1_5], $ac1, 31 \n\t" "extp %[step1_6], $ac3, 31 \n\t" "add %[step1_4], %[result1], %[result2] \n\t" "add %[step1_7], %[result4], %[result3] \n\t" : [load5] "=&r" (load5), [load6] "=&r" (load6), [load7] "=&r" (load7), [load8] "=&r" (load8), [result1] "=&r" (result1), [result2] "=&r" (result2), [result3] "=&r" (result3), [result4] "=&r" (result4), [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) ); __asm__ __volatile__ ( "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" "sub %[load5], %[step2_14], %[step2_13] \n\t" "sub %[load5], %[load5], %[step2_9] \n\t" "add %[load5], %[load5], %[step2_10] \n\t" "madd $ac0, %[load5], %[cospi_16_64] \n\t" "sub %[load6], %[step2_14], %[step2_13] \n\t" "sub %[load6], %[load6], %[step2_10] \n\t" "add %[load6], %[load6], %[step2_9] \n\t" "madd $ac1, %[load6], %[cospi_16_64] \n\t" "mtlo %[const_2_power_13], $ac2 \n\t" "mthi $zero, $ac2 \n\t" "mtlo %[const_2_power_13], $ac3 \n\t" "mthi $zero, $ac3 \n\t" "sub %[load5], %[step2_15], %[step2_12] \n\t" "sub %[load5], %[load5], %[step2_8] \n\t" "add %[load5], %[load5], %[step2_11] \n\t" "madd $ac2, %[load5], %[cospi_16_64] \n\t" "sub %[load6], %[step2_15], %[step2_12] \n\t" "sub %[load6], %[load6], %[step2_11] \n\t" "add %[load6], %[load6], %[step2_8] \n\t" "madd $ac3, %[load6], %[cospi_16_64] \n\t" "extp %[step1_10], $ac0, 31 \n\t" "extp %[step1_13], $ac1, 31 \n\t" "extp %[step1_11], $ac2, 31 \n\t" "extp %[step1_12], $ac3, 31 \n\t" : [load5] "=&r" (load5), [load6] "=&r" (load6), [step1_10] "=r" (step1_10), [step1_11] "=r" (step1_11), [step1_12] "=r" (step1_12), [step1_13] "=r" (step1_13) : [const_2_power_13] "r" (const_2_power_13), [step2_14] "r" (step2_14), [step2_13] "r" (step2_13), [step2_9] "r" (step2_9), [step2_10] "r" (step2_10), [step2_15] "r" (step2_15), [step2_12] "r" (step2_12), [step2_8] "r" (step2_8), [step2_11] "r" (step2_11), [cospi_16_64] "r" (cospi_16_64) ); step1_8 = step2_8 + step2_11; step1_9 = step2_9 + step2_10; step1_14 = step2_13 + step2_14; step1_15 = step2_12 + step2_15; __asm__ __volatile__ ( "lbu %[load7], 0(%[dest_pix]) \n\t" "add %[load5], %[step1_0], %[step1_7] \n\t" "add %[load5], %[load5], %[step1_15] \n\t" "addi %[load5], %[load5], 32 \n\t" "sra %[load5], %[load5], 6 \n\t" "add %[load7], %[load7], %[load5] \n\t" "lbux %[load5], %[load7](%[cm]) \n\t" "add %[load6], %[step1_1], %[step1_6] \n\t" "add %[load6], %[load6], %[step1_14] \n\t" "sb %[load5], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load8], 0(%[dest_pix]) \n\t" "addi %[load6], %[load6], 32 \n\t" "sra %[load6], %[load6], 6 \n\t" "add %[load8], %[load8], %[load6] \n\t" "lbux %[load6], %[load8](%[cm]) \n\t" "sb %[load6], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load7], 0(%[dest_pix]) \n\t" "add %[load5], %[step1_2], %[step1_5] \n\t" "add %[load5], %[load5], %[step1_13] \n\t" "addi %[load5], %[load5], 32 \n\t" "sra %[load5], %[load5], 6 \n\t" "add %[load7], %[load7], %[load5] \n\t" "lbux %[load5], %[load7](%[cm]) \n\t" "add %[load6], %[step1_3], %[step1_4] \n\t" "add %[load6], %[load6], %[step1_12] \n\t" "sb %[load5], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load8], 0(%[dest_pix]) \n\t" "addi %[load6], %[load6], 32 \n\t" "sra %[load6], %[load6], 6 \n\t" "add %[load8], %[load8], %[load6] \n\t" "lbux %[load6], %[load8](%[cm]) \n\t" "sb %[load6], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load7], 0(%[dest_pix]) \n\t" "sub %[load5], %[step1_3], %[step1_4] \n\t" "add %[load5], %[load5], %[step1_11] \n\t" "addi %[load5], %[load5], 32 \n\t" "sra %[load5], %[load5], 6 \n\t" "add %[load7], %[load7], %[load5] \n\t" "lbux %[load5], %[load7](%[cm]) \n\t" "sub %[load6], %[step1_2], %[step1_5] \n\t" "add %[load6], %[load6], %[step1_10] \n\t" "sb %[load5], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load8], 0(%[dest_pix]) \n\t" "addi %[load6], %[load6], 32 \n\t" "sra %[load6], %[load6], 6 \n\t" "add %[load8], %[load8], %[load6] \n\t" "lbux %[load6], %[load8](%[cm]) \n\t" "sb %[load6], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "sub %[load5], %[step1_1], %[step1_6] \n\t" "lbu %[load7], 0(%[dest_pix]) \n\t" "add %[load5], %[load5], %[step1_9] \n\t" "addi %[load5], %[load5], 32 \n\t" "sra %[load5], %[load5], 6 \n\t" "add %[load7], %[load7], %[load5] \n\t" "lbux %[load5], %[load7](%[cm]) \n\t" "sub %[load6], %[step1_0], %[step1_7] \n\t" "add %[load6], %[load6], %[step1_8] \n\t" "sb %[load5], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load8], 0(%[dest_pix]) \n\t" "addi %[load6], %[load6], 32 \n\t" "sra %[load6], %[load6], 6 \n\t" "add %[load8], %[load8], %[load6] \n\t" "lbux %[load6], %[load8](%[cm]) \n\t" "sb %[load6], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load7], 0(%[dest_pix]) \n\t" "sub %[load5], %[step1_0], %[step1_7] \n\t" "sub %[load5], %[load5], %[step1_8] \n\t" "addi %[load5], %[load5], 32 \n\t" "sra %[load5], %[load5], 6 \n\t" "add %[load7], %[load7], %[load5] \n\t" "lbux %[load5], %[load7](%[cm]) \n\t" "sub %[load6], %[step1_1], %[step1_6] \n\t" "sub %[load6], %[load6], %[step1_9] \n\t" "sb %[load5], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load8], 0(%[dest_pix]) \n\t" "addi %[load6], %[load6], 32 \n\t" "sra %[load6], %[load6], 6 \n\t" "add %[load8], %[load8], %[load6] \n\t" "lbux %[load6], %[load8](%[cm]) \n\t" "sb %[load6], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load7], 0(%[dest_pix]) \n\t" "sub %[load5], %[step1_2], %[step1_5] \n\t" "sub %[load5], %[load5], %[step1_10] \n\t" "addi %[load5], %[load5], 32 \n\t" "sra %[load5], %[load5], 6 \n\t" "add %[load7], %[load7], %[load5] \n\t" "lbux %[load5], %[load7](%[cm]) \n\t" "sub %[load6], %[step1_3], %[step1_4] \n\t" "sub %[load6], %[load6], %[step1_11] \n\t" "sb %[load5], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load8], 0(%[dest_pix]) \n\t" "addi %[load6], %[load6], 32 \n\t" "sra %[load6], %[load6], 6 \n\t" "add %[load8], %[load8], %[load6] \n\t" "lbux %[load6], %[load8](%[cm]) \n\t" "sb %[load6], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load7], 0(%[dest_pix]) \n\t" "add %[load5], %[step1_3], %[step1_4] \n\t" "sub %[load5], %[load5], %[step1_12] \n\t" "addi %[load5], %[load5], 32 \n\t" "sra %[load5], %[load5], 6 \n\t" "add %[load7], %[load7], %[load5] \n\t" "lbux %[load5], %[load7](%[cm]) \n\t" "add %[load6], %[step1_2], %[step1_5] \n\t" "sub %[load6], %[load6], %[step1_13] \n\t" "sb %[load5], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load8], 0(%[dest_pix]) \n\t" "addi %[load6], %[load6], 32 \n\t" "sra %[load6], %[load6], 6 \n\t" "add %[load8], %[load8], %[load6] \n\t" "lbux %[load6], %[load8](%[cm]) \n\t" "sb %[load6], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load7], 0(%[dest_pix]) \n\t" "add %[load5], %[step1_1], %[step1_6] \n\t" "sub %[load5], %[load5], %[step1_14] \n\t" "addi %[load5], %[load5], 32 \n\t" "sra %[load5], %[load5], 6 \n\t" "add %[load7], %[load7], %[load5] \n\t" "lbux %[load5], %[load7](%[cm]) \n\t" "add %[load6], %[step1_0], %[step1_7] \n\t" "sub %[load6], %[load6], %[step1_15] \n\t" "sb %[load5], 0(%[dest_pix]) \n\t" "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t" "lbu %[load8], 0(%[dest_pix]) \n\t" "addi %[load6], %[load6], 32 \n\t" "sra %[load6], %[load6], 6 \n\t" "add %[load8], %[load8], %[load6] \n\t" "lbux %[load6], %[load8](%[cm]) \n\t" "sb %[load6], 0(%[dest_pix]) \n\t" : [load5] "=&r" (load5), [load6] "=&r" (load6), [load7] "=&r" (load7), [load8] "=&r" (load8), [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), [step1_4] "r" (step1_4), [step1_5] "r" (step1_5), [step1_6] "r" (step1_6), [step1_7] "r" (step1_7), [step1_8] "r" (step1_8), [step1_9] "r" (step1_9), [step1_10] "r" (step1_10), [step1_11] "r" (step1_11), [step1_12] "r" (step1_12), [step1_13] "r" (step1_13), [step1_14] "r" (step1_14), [step1_15] "r" (step1_15) ); input += 16; } } void vpx_idct16x16_256_add_dspr2(const int16_t *input, uint8_t *dest, int dest_stride) { DECLARE_ALIGNED(32, int16_t, out[16 * 16]); uint32_t pos = 45; /* bit positon for extract from acc */ __asm__ __volatile__ ( "wrdsp %[pos], 1 \n\t" : : [pos] "r" (pos) ); // First transform rows idct16_rows_dspr2(input, out, 16); // Then transform columns and add to dest idct16_cols_add_blk_dspr2(out, dest, dest_stride); } void vpx_idct16x16_10_add_dspr2(const int16_t *input, uint8_t *dest, int dest_stride) { DECLARE_ALIGNED(32, int16_t, out[16 * 16]); int16_t *outptr = out; uint32_t i; uint32_t pos = 45; /* bit positon for extract from acc */ __asm__ __volatile__ ( "wrdsp %[pos], 1 \n\t" : : [pos] "r" (pos) ); // First transform rows. Since all non-zero dct coefficients are in // upper-left 4x4 area, we only need to calculate first 4 rows here. idct16_rows_dspr2(input, outptr, 4); outptr += 4; for (i = 0; i < 6; ++i) { __asm__ __volatile__ ( "sw $zero, 0(%[outptr]) \n\t" "sw $zero, 32(%[outptr]) \n\t" "sw $zero, 64(%[outptr]) \n\t" "sw $zero, 96(%[outptr]) \n\t" "sw $zero, 128(%[outptr]) \n\t" "sw $zero, 160(%[outptr]) \n\t" "sw $zero, 192(%[outptr]) \n\t" "sw $zero, 224(%[outptr]) \n\t" "sw $zero, 256(%[outptr]) \n\t" "sw $zero, 288(%[outptr]) \n\t" "sw $zero, 320(%[outptr]) \n\t" "sw $zero, 352(%[outptr]) \n\t" "sw $zero, 384(%[outptr]) \n\t" "sw $zero, 416(%[outptr]) \n\t" "sw $zero, 448(%[outptr]) \n\t" "sw $zero, 480(%[outptr]) \n\t" : : [outptr] "r" (outptr) ); outptr += 2; } // Then transform columns idct16_cols_add_blk_dspr2(out, dest, dest_stride); } void vpx_idct16x16_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 vector_a1; int32_t t1, t2, t3, t4; int32_t vector_1, vector_2, vector_3, vector_4; /* 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 = 16; 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" "add %[dest], %[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) : [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 = 16; 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" "add %[dest], %[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) : [dest_stride] "r" (dest_stride), [vector_a1] "r" (vector_a1) ); } } } void iadst16_dspr2(const int16_t *input, int16_t *output) { int s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15; int x0 = input[15]; int x1 = input[0]; int x2 = input[13]; int x3 = input[2]; int x4 = input[11]; int x5 = input[4]; int x6 = input[9]; int x7 = input[6]; int x8 = input[7]; int x9 = input[8]; int x10 = input[5]; int x11 = input[10]; int x12 = input[3]; int x13 = input[12]; int x14 = input[1]; int x15 = input[14]; if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | x9 | x10 | x11 | x12 | x13 | x14 | x15)) { output[0] = output[1] = output[2] = output[3] = output[4] = output[5] = output[6] = output[7] = output[8] = output[9] = output[10] = output[11] = output[12] = output[13] = output[14] = output[15] = 0; return; } // stage 1 s0 = x0 * cospi_1_64 + x1 * cospi_31_64; s1 = x0 * cospi_31_64 - x1 * cospi_1_64; s2 = x2 * cospi_5_64 + x3 * cospi_27_64; s3 = x2 * cospi_27_64 - x3 * cospi_5_64; s4 = x4 * cospi_9_64 + x5 * cospi_23_64; s5 = x4 * cospi_23_64 - x5 * cospi_9_64; s6 = x6 * cospi_13_64 + x7 * cospi_19_64; s7 = x6 * cospi_19_64 - x7 * cospi_13_64; s8 = x8 * cospi_17_64 + x9 * cospi_15_64; s9 = x8 * cospi_15_64 - x9 * cospi_17_64; s10 = x10 * cospi_21_64 + x11 * cospi_11_64; s11 = x10 * cospi_11_64 - x11 * cospi_21_64; s12 = x12 * cospi_25_64 + x13 * cospi_7_64; s13 = x12 * cospi_7_64 - x13 * cospi_25_64; s14 = x14 * cospi_29_64 + x15 * cospi_3_64; s15 = x14 * cospi_3_64 - x15 * cospi_29_64; x0 = dct_const_round_shift(s0 + s8); x1 = dct_const_round_shift(s1 + s9); x2 = dct_const_round_shift(s2 + s10); x3 = dct_const_round_shift(s3 + s11); x4 = dct_const_round_shift(s4 + s12); x5 = dct_const_round_shift(s5 + s13); x6 = dct_const_round_shift(s6 + s14); x7 = dct_const_round_shift(s7 + s15); x8 = dct_const_round_shift(s0 - s8); x9 = dct_const_round_shift(s1 - s9); x10 = dct_const_round_shift(s2 - s10); x11 = dct_const_round_shift(s3 - s11); x12 = dct_const_round_shift(s4 - s12); x13 = dct_const_round_shift(s5 - s13); x14 = dct_const_round_shift(s6 - s14); x15 = dct_const_round_shift(s7 - s15); // stage 2 s0 = x0; s1 = x1; s2 = x2; s3 = x3; s4 = x4; s5 = x5; s6 = x6; s7 = x7; s8 = x8 * cospi_4_64 + x9 * cospi_28_64; s9 = x8 * cospi_28_64 - x9 * cospi_4_64; s10 = x10 * cospi_20_64 + x11 * cospi_12_64; s11 = x10 * cospi_12_64 - x11 * cospi_20_64; s12 = - x12 * cospi_28_64 + x13 * cospi_4_64; s13 = x12 * cospi_4_64 + x13 * cospi_28_64; s14 = - x14 * cospi_12_64 + x15 * cospi_20_64; s15 = x14 * cospi_20_64 + x15 * cospi_12_64; x0 = s0 + s4; x1 = s1 + s5; x2 = s2 + s6; x3 = s3 + s7; x4 = s0 - s4; x5 = s1 - s5; x6 = s2 - s6; x7 = s3 - s7; x8 = dct_const_round_shift(s8 + s12); x9 = dct_const_round_shift(s9 + s13); x10 = dct_const_round_shift(s10 + s14); x11 = dct_const_round_shift(s11 + s15); x12 = dct_const_round_shift(s8 - s12); x13 = dct_const_round_shift(s9 - s13); x14 = dct_const_round_shift(s10 - s14); x15 = dct_const_round_shift(s11 - s15); // stage 3 s0 = x0; s1 = x1; s2 = x2; s3 = x3; s4 = x4 * cospi_8_64 + x5 * cospi_24_64; s5 = x4 * cospi_24_64 - x5 * cospi_8_64; s6 = - x6 * cospi_24_64 + x7 * cospi_8_64; s7 = x6 * cospi_8_64 + x7 * cospi_24_64; s8 = x8; s9 = x9; s10 = x10; s11 = x11; s12 = x12 * cospi_8_64 + x13 * cospi_24_64; s13 = x12 * cospi_24_64 - x13 * cospi_8_64; s14 = - x14 * cospi_24_64 + x15 * cospi_8_64; s15 = x14 * cospi_8_64 + x15 * cospi_24_64; x0 = s0 + s2; x1 = s1 + s3; x2 = s0 - s2; x3 = s1 - s3; x4 = dct_const_round_shift(s4 + s6); x5 = dct_const_round_shift(s5 + s7); x6 = dct_const_round_shift(s4 - s6); x7 = dct_const_round_shift(s5 - s7); x8 = s8 + s10; x9 = s9 + s11; x10 = s8 - s10; x11 = s9 - s11; x12 = dct_const_round_shift(s12 + s14); x13 = dct_const_round_shift(s13 + s15); x14 = dct_const_round_shift(s12 - s14); x15 = dct_const_round_shift(s13 - s15); // stage 4 s2 = (- cospi_16_64) * (x2 + x3); s3 = cospi_16_64 * (x2 - x3); s6 = cospi_16_64 * (x6 + x7); s7 = cospi_16_64 * (- x6 + x7); s10 = cospi_16_64 * (x10 + x11); s11 = cospi_16_64 * (- x10 + x11); s14 = (- cospi_16_64) * (x14 + x15); s15 = cospi_16_64 * (x14 - x15); x2 = dct_const_round_shift(s2); x3 = dct_const_round_shift(s3); x6 = dct_const_round_shift(s6); x7 = dct_const_round_shift(s7); x10 = dct_const_round_shift(s10); x11 = dct_const_round_shift(s11); x14 = dct_const_round_shift(s14); x15 = dct_const_round_shift(s15); output[0] = x0; output[1] = -x8; output[2] = x12; output[3] = -x4; output[4] = x6; output[5] = x14; output[6] = x10; output[7] = x2; output[8] = x3; output[9] = x11; output[10] = x15; output[11] = x7; output[12] = x5; output[13] = -x13; output[14] = x9; output[15] = -x1; } #endif // HAVE_DSPR2