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Unified Diff: source/libvpx/vp9/common/mips/dspr2/vp9_itrans8_dspr2.c

Issue 1302353004: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: Created 5 years, 4 months ago
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Index: source/libvpx/vp9/common/mips/dspr2/vp9_itrans8_dspr2.c
diff --git a/source/libvpx/vp9/common/mips/dspr2/vp9_itrans8_dspr2.c b/source/libvpx/vp9/common/mips/dspr2/vp9_itrans8_dspr2.c
index 5270fa17f76df0a52b34359d74bb498ed425debe..37f3ca9fcbb7227e27bbc9ebf6684f38b6bdc8da 100644
--- a/source/libvpx/vp9/common/mips/dspr2/vp9_itrans8_dspr2.c
+++ b/source/libvpx/vp9/common/mips/dspr2/vp9_itrans8_dspr2.c
@@ -15,538 +15,11 @@
#include "./vp9_rtcd.h"
#include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_blockd.h"
-#include "vp9/common/mips/dspr2/vp9_common_dspr2.h"
+#include "vpx_dsp/mips/inv_txfm_dspr2.h"
#include "vpx_dsp/txfm_common.h"
#include "vpx_ports/mem.h"
#if HAVE_DSPR2
-static void idct8_rows_dspr2(const int16_t *input, int16_t *output,
- uint32_t no_rows) {
- int step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6, step1_7;
- const int const_2_power_13 = 8192;
- int Temp0, Temp1, Temp2, Temp3, Temp4;
- int i;
-
- for (i = no_rows; i--; ) {
- __asm__ __volatile__ (
- /*
- temp_1 = (input[0] + input[4]) * cospi_16_64;
- step2_0 = dct_const_round_shift(temp_1);
-
- temp_2 = (input[0] - input[4]) * cospi_16_64;
- step2_1 = dct_const_round_shift(temp_2);
- */
- "lh %[Temp0], 0(%[input]) \n\t"
- "lh %[Temp1], 8(%[input]) \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
- "add %[Temp2], %[Temp0], %[Temp1] \n\t"
- "madd $ac0, %[Temp2], %[cospi_16_64] \n\t"
- "extp %[Temp4], $ac0, 31 \n\t"
-
- "sub %[Temp3], %[Temp0], %[Temp1] \n\t"
- "madd $ac1, %[Temp3], %[cospi_16_64] \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "extp %[Temp2], $ac1, 31 \n\t"
-
- /*
- temp_1 = input[2] * cospi_24_64 - input[6] * cospi_8_64;
- step2_2 = dct_const_round_shift(temp_1);
- */
- "lh %[Temp0], 4(%[input]) \n\t"
- "lh %[Temp1], 12(%[input]) \n\t"
- "madd $ac0, %[Temp0], %[cospi_24_64] \n\t"
- "msub $ac0, %[Temp1], %[cospi_8_64] \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
- "extp %[Temp3], $ac0, 31 \n\t"
-
- /*
- step1_1 = step2_1 + step2_2;
- step1_2 = step2_1 - step2_2;
- */
- "add %[step1_1], %[Temp2], %[Temp3] \n\t"
- "sub %[step1_2], %[Temp2], %[Temp3] \n\t"
-
- /*
- temp_2 = input[2] * cospi_8_64 + input[6] * cospi_24_64;
- step2_3 = dct_const_round_shift(temp_2);
- */
- "madd $ac1, %[Temp0], %[cospi_8_64] \n\t"
- "madd $ac1, %[Temp1], %[cospi_24_64] \n\t"
- "extp %[Temp1], $ac1, 31 \n\t"
-
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
-
- /*
- step1_0 = step2_0 + step2_3;
- step1_3 = step2_0 - step2_3;
- */
- "add %[step1_0], %[Temp4], %[Temp1] \n\t"
- "sub %[step1_3], %[Temp4], %[Temp1] \n\t"
-
- /*
- temp_1 = input[1] * cospi_28_64 - input[7] * cospi_4_64;
- step1_4 = dct_const_round_shift(temp_1);
- */
- "lh %[Temp0], 2(%[input]) \n\t"
- "madd $ac0, %[Temp0], %[cospi_28_64] \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
- "lh %[Temp1], 14(%[input]) \n\t"
- "lh %[Temp0], 2(%[input]) \n\t"
- "msub $ac0, %[Temp1], %[cospi_4_64] \n\t"
- "extp %[step1_4], $ac0, 31 \n\t"
-
- /*
- temp_2 = input[1] * cospi_4_64 + input[7] * cospi_28_64;
- step1_7 = dct_const_round_shift(temp_2);
- */
- "madd $ac1, %[Temp0], %[cospi_4_64] \n\t"
- "madd $ac1, %[Temp1], %[cospi_28_64] \n\t"
- "extp %[step1_7], $ac1, 31 \n\t"
-
- /*
- temp_1 = input[5] * cospi_12_64 - input[3] * cospi_20_64;
- step1_5 = dct_const_round_shift(temp_1);
- */
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "lh %[Temp0], 10(%[input]) \n\t"
- "madd $ac0, %[Temp0], %[cospi_12_64] \n\t"
- "lh %[Temp1], 6(%[input]) \n\t"
- "msub $ac0, %[Temp1], %[cospi_20_64] \n\t"
- "extp %[step1_5], $ac0, 31 \n\t"
-
- /*
- temp_2 = input[5] * cospi_20_64 + input[3] * cospi_12_64;
- step1_6 = dct_const_round_shift(temp_2);
- */
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
- "lh %[Temp0], 10(%[input]) \n\t"
- "madd $ac1, %[Temp0], %[cospi_20_64] \n\t"
- "lh %[Temp1], 6(%[input]) \n\t"
- "madd $ac1, %[Temp1], %[cospi_12_64] \n\t"
- "extp %[step1_6], $ac1, 31 \n\t"
-
- /*
- temp_1 = (step1_7 - step1_6 - step1_4 + step1_5) * cospi_16_64;
- temp_2 = (step1_4 - step1_5 - step1_6 + step1_7) * cospi_16_64;
- */
- "sub %[Temp0], %[step1_7], %[step1_6] \n\t"
- "sub %[Temp0], %[Temp0], %[step1_4] \n\t"
- "add %[Temp0], %[Temp0], %[step1_5] \n\t"
- "sub %[Temp1], %[step1_4], %[step1_5] \n\t"
- "sub %[Temp1], %[Temp1], %[step1_6] \n\t"
- "add %[Temp1], %[Temp1], %[step1_7] \n\t"
-
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
-
- "madd $ac0, %[Temp0], %[cospi_16_64] \n\t"
- "madd $ac1, %[Temp1], %[cospi_16_64] \n\t"
-
- /*
- step1_4 = step1_4 + step1_5;
- step1_7 = step1_6 + step1_7;
- */
- "add %[step1_4], %[step1_4], %[step1_5] \n\t"
- "add %[step1_7], %[step1_7], %[step1_6] \n\t"
-
- "extp %[step1_5], $ac0, 31 \n\t"
- "extp %[step1_6], $ac1, 31 \n\t"
-
- "add %[Temp0], %[step1_0], %[step1_7] \n\t"
- "sh %[Temp0], 0(%[output]) \n\t"
- "add %[Temp1], %[step1_1], %[step1_6] \n\t"
- "sh %[Temp1], 16(%[output]) \n\t"
- "add %[Temp0], %[step1_2], %[step1_5] \n\t"
- "sh %[Temp0], 32(%[output]) \n\t"
- "add %[Temp1], %[step1_3], %[step1_4] \n\t"
- "sh %[Temp1], 48(%[output]) \n\t"
-
- "sub %[Temp0], %[step1_3], %[step1_4] \n\t"
- "sh %[Temp0], 64(%[output]) \n\t"
- "sub %[Temp1], %[step1_2], %[step1_5] \n\t"
- "sh %[Temp1], 80(%[output]) \n\t"
- "sub %[Temp0], %[step1_1], %[step1_6] \n\t"
- "sh %[Temp0], 96(%[output]) \n\t"
- "sub %[Temp1], %[step1_0], %[step1_7] \n\t"
- "sh %[Temp1], 112(%[output]) \n\t"
-
- : [step1_0] "=&r" (step1_0), [step1_1] "=&r" (step1_1),
- [step1_2] "=&r" (step1_2), [step1_3] "=&r" (step1_3),
- [step1_4] "=&r" (step1_4), [step1_5] "=&r" (step1_5),
- [step1_6] "=&r" (step1_6), [step1_7] "=&r" (step1_7),
- [Temp0] "=&r" (Temp0), [Temp1] "=&r" (Temp1),
- [Temp2] "=&r" (Temp2), [Temp3] "=&r" (Temp3),
- [Temp4] "=&r" (Temp4)
- : [const_2_power_13] "r" (const_2_power_13),
- [cospi_16_64] "r" (cospi_16_64), [cospi_28_64] "r" (cospi_28_64),
- [cospi_4_64] "r" (cospi_4_64), [cospi_12_64] "r" (cospi_12_64),
- [cospi_20_64] "r" (cospi_20_64), [cospi_8_64] "r" (cospi_8_64),
- [cospi_24_64] "r" (cospi_24_64),
- [output] "r" (output), [input] "r" (input)
- );
-
- input += 8;
- output += 1;
- }
-}
-
-static void idct8_columns_add_blk_dspr2(int16_t *input, uint8_t *dest,
- int dest_stride) {
- int step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6, step1_7;
- int Temp0, Temp1, Temp2, Temp3;
- int i;
- const int const_2_power_13 = 8192;
- uint8_t *dest_pix;
- uint8_t *cm = 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 < 8; ++i) {
- dest_pix = (dest + i);
-
- __asm__ __volatile__ (
- /*
- temp_1 = (input[0] + input[4]) * cospi_16_64;
- step2_0 = dct_const_round_shift(temp_1);
-
- temp_2 = (input[0] - input[4]) * cospi_16_64;
- step2_1 = dct_const_round_shift(temp_2);
- */
- "lh %[Temp0], 0(%[input]) \n\t"
- "lh %[Temp1], 8(%[input]) \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
- "add %[Temp2], %[Temp0], %[Temp1] \n\t"
- "madd $ac0, %[Temp2], %[cospi_16_64] \n\t"
- "extp %[step1_6], $ac0, 31 \n\t"
-
- "sub %[Temp3], %[Temp0], %[Temp1] \n\t"
- "madd $ac1, %[Temp3], %[cospi_16_64] \n\t"
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "extp %[Temp2], $ac1, 31 \n\t"
-
- /*
- temp_1 = input[2] * cospi_24_64 - input[6] * cospi_8_64;
- step2_2 = dct_const_round_shift(temp_1);
- */
- "lh %[Temp0], 4(%[input]) \n\t"
- "lh %[Temp1], 12(%[input]) \n\t"
- "madd $ac0, %[Temp0], %[cospi_24_64] \n\t"
- "msub $ac0, %[Temp1], %[cospi_8_64] \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
- "extp %[Temp3], $ac0, 31 \n\t"
-
- /*
- step1_1 = step2_1 + step2_2;
- step1_2 = step2_1 - step2_2;
- */
- "add %[step1_1], %[Temp2], %[Temp3] \n\t"
- "sub %[step1_2], %[Temp2], %[Temp3] \n\t"
-
- /*
- temp_2 = input[2] * cospi_8_64 + input[6] * cospi_24_64;
- step2_3 = dct_const_round_shift(temp_2);
- */
- "madd $ac1, %[Temp0], %[cospi_8_64] \n\t"
- "madd $ac1, %[Temp1], %[cospi_24_64] \n\t"
- "extp %[Temp1], $ac1, 31 \n\t"
-
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
-
- /*
- step1_0 = step2_0 + step2_3;
- step1_3 = step2_0 - step2_3;
- */
- "add %[step1_0], %[step1_6], %[Temp1] \n\t"
- "sub %[step1_3], %[step1_6], %[Temp1] \n\t"
-
- /*
- temp_1 = input[1] * cospi_28_64 - input[7] * cospi_4_64;
- step1_4 = dct_const_round_shift(temp_1);
- */
- "lh %[Temp0], 2(%[input]) \n\t"
- "madd $ac0, %[Temp0], %[cospi_28_64] \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
- "lh %[Temp1], 14(%[input]) \n\t"
- "lh %[Temp0], 2(%[input]) \n\t"
- "msub $ac0, %[Temp1], %[cospi_4_64] \n\t"
- "extp %[step1_4], $ac0, 31 \n\t"
-
- /*
- temp_2 = input[1] * cospi_4_64 + input[7] * cospi_28_64;
- step1_7 = dct_const_round_shift(temp_2);
- */
- "madd $ac1, %[Temp0], %[cospi_4_64] \n\t"
- "madd $ac1, %[Temp1], %[cospi_28_64] \n\t"
- "extp %[step1_7], $ac1, 31 \n\t"
-
- /*
- temp_1 = input[5] * cospi_12_64 - input[3] * cospi_20_64;
- step1_5 = dct_const_round_shift(temp_1);
- */
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "lh %[Temp0], 10(%[input]) \n\t"
- "madd $ac0, %[Temp0], %[cospi_12_64] \n\t"
- "lh %[Temp1], 6(%[input]) \n\t"
- "msub $ac0, %[Temp1], %[cospi_20_64] \n\t"
- "extp %[step1_5], $ac0, 31 \n\t"
-
- /*
- temp_2 = input[5] * cospi_20_64 + input[3] * cospi_12_64;
- step1_6 = dct_const_round_shift(temp_2);
- */
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
- "lh %[Temp0], 10(%[input]) \n\t"
- "madd $ac1, %[Temp0], %[cospi_20_64] \n\t"
- "lh %[Temp1], 6(%[input]) \n\t"
- "madd $ac1, %[Temp1], %[cospi_12_64] \n\t"
- "extp %[step1_6], $ac1, 31 \n\t"
-
- /*
- temp_1 = (step1_7 - step1_6 - step1_4 + step1_5) * cospi_16_64;
- temp_2 = (step1_4 - step1_5 - step1_6 + step1_7) * cospi_16_64;
- */
- "sub %[Temp0], %[step1_7], %[step1_6] \n\t"
- "sub %[Temp0], %[Temp0], %[step1_4] \n\t"
- "add %[Temp0], %[Temp0], %[step1_5] \n\t"
- "sub %[Temp1], %[step1_4], %[step1_5] \n\t"
- "sub %[Temp1], %[Temp1], %[step1_6] \n\t"
- "add %[Temp1], %[Temp1], %[step1_7] \n\t"
-
- "mtlo %[const_2_power_13], $ac0 \n\t"
- "mthi $zero, $ac0 \n\t"
- "mtlo %[const_2_power_13], $ac1 \n\t"
- "mthi $zero, $ac1 \n\t"
-
- "madd $ac0, %[Temp0], %[cospi_16_64] \n\t"
- "madd $ac1, %[Temp1], %[cospi_16_64] \n\t"
-
- /*
- step1_4 = step1_4 + step1_5;
- step1_7 = step1_6 + step1_7;
- */
- "add %[step1_4], %[step1_4], %[step1_5] \n\t"
- "add %[step1_7], %[step1_7], %[step1_6] \n\t"
-
- "extp %[step1_5], $ac0, 31 \n\t"
- "extp %[step1_6], $ac1, 31 \n\t"
-
- /* add block */
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "add %[Temp0], %[step1_0], %[step1_7] \n\t"
- "addi %[Temp0], %[Temp0], 16 \n\t"
- "sra %[Temp0], %[Temp0], 5 \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "add %[Temp0], %[step1_1], %[step1_6] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "addi %[Temp0], %[Temp0], 16 \n\t"
- "sra %[Temp0], %[Temp0], 5 \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "add %[Temp0], %[step1_2], %[step1_5] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "addi %[Temp0], %[Temp0], 16 \n\t"
- "sra %[Temp0], %[Temp0], 5 \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "add %[Temp0], %[step1_3], %[step1_4] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "addi %[Temp0], %[Temp0], 16 \n\t"
- "sra %[Temp0], %[Temp0], 5 \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "sub %[Temp0], %[step1_3], %[step1_4] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "addi %[Temp0], %[Temp0], 16 \n\t"
- "sra %[Temp0], %[Temp0], 5 \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "sub %[Temp0], %[step1_2], %[step1_5] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "addi %[Temp0], %[Temp0], 16 \n\t"
- "sra %[Temp0], %[Temp0], 5 \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "sub %[Temp0], %[step1_1], %[step1_6] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "addi %[Temp0], %[Temp0], 16 \n\t"
- "sra %[Temp0], %[Temp0], 5 \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "sub %[Temp0], %[step1_0], %[step1_7] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
- "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
-
- "lbu %[Temp1], 0(%[dest_pix]) \n\t"
- "addi %[Temp0], %[Temp0], 16 \n\t"
- "sra %[Temp0], %[Temp0], 5 \n\t"
- "add %[Temp1], %[Temp1], %[Temp0] \n\t"
- "lbux %[Temp2], %[Temp1](%[cm]) \n\t"
- "sb %[Temp2], 0(%[dest_pix]) \n\t"
-
- : [step1_0] "=&r" (step1_0), [step1_1] "=&r" (step1_1),
- [step1_2] "=&r" (step1_2), [step1_3] "=&r" (step1_3),
- [step1_4] "=&r" (step1_4), [step1_5] "=&r" (step1_5),
- [step1_6] "=&r" (step1_6), [step1_7] "=&r" (step1_7),
- [Temp0] "=&r" (Temp0), [Temp1] "=&r" (Temp1),
- [Temp2] "=&r" (Temp2), [Temp3] "=&r" (Temp3),
- [dest_pix] "+r" (dest_pix)
- : [const_2_power_13] "r" (const_2_power_13),
- [cospi_16_64] "r" (cospi_16_64), [cospi_28_64] "r" (cospi_28_64),
- [cospi_4_64] "r" (cospi_4_64), [cospi_12_64] "r" (cospi_12_64),
- [cospi_20_64] "r" (cospi_20_64), [cospi_8_64] "r" (cospi_8_64),
- [cospi_24_64] "r" (cospi_24_64),
- [input] "r" (input), [cm] "r" (cm), [dest_stride] "r" (dest_stride)
- );
-
- input += 8;
- }
-}
-
-void vp9_idct8x8_64_add_dspr2(const int16_t *input, uint8_t *dest,
- int dest_stride) {
- DECLARE_ALIGNED(32, int16_t, out[8 * 8]);
- int16_t *outptr = out;
- uint32_t pos = 45;
-
- /* bit positon for extract from acc */
- __asm__ __volatile__ (
- "wrdsp %[pos], 1 \n\t"
- :
- : [pos] "r" (pos)
- );
-
- // First transform rows
- idct8_rows_dspr2(input, outptr, 8);
-
- // Then transform columns and add to dest
- idct8_columns_add_blk_dspr2(&out[0], dest, dest_stride);
-}
-
-static void iadst8_dspr2(const int16_t *input, int16_t *output) {
- int s0, s1, s2, s3, s4, s5, s6, s7;
- int x0, x1, x2, x3, x4, x5, x6, x7;
-
- x0 = input[7];
- x1 = input[0];
- x2 = input[5];
- x3 = input[2];
- x4 = input[3];
- x5 = input[4];
- x6 = input[1];
- x7 = input[6];
-
- if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {
- output[0] = output[1] = output[2] = output[3] = output[4]
- = output[5] = output[6] = output[7] = 0;
- return;
- }
-
- // stage 1
- s0 = cospi_2_64 * x0 + cospi_30_64 * x1;
- s1 = cospi_30_64 * x0 - cospi_2_64 * x1;
- s2 = cospi_10_64 * x2 + cospi_22_64 * x3;
- s3 = cospi_22_64 * x2 - cospi_10_64 * x3;
- s4 = cospi_18_64 * x4 + cospi_14_64 * x5;
- s5 = cospi_14_64 * x4 - cospi_18_64 * x5;
- s6 = cospi_26_64 * x6 + cospi_6_64 * x7;
- s7 = cospi_6_64 * x6 - cospi_26_64 * x7;
-
- x0 = ROUND_POWER_OF_TWO((s0 + s4), DCT_CONST_BITS);
- x1 = ROUND_POWER_OF_TWO((s1 + s5), DCT_CONST_BITS);
- x2 = ROUND_POWER_OF_TWO((s2 + s6), DCT_CONST_BITS);
- x3 = ROUND_POWER_OF_TWO((s3 + s7), DCT_CONST_BITS);
- x4 = ROUND_POWER_OF_TWO((s0 - s4), DCT_CONST_BITS);
- x5 = ROUND_POWER_OF_TWO((s1 - s5), DCT_CONST_BITS);
- x6 = ROUND_POWER_OF_TWO((s2 - s6), DCT_CONST_BITS);
- x7 = ROUND_POWER_OF_TWO((s3 - s7), DCT_CONST_BITS);
-
- // stage 2
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = cospi_8_64 * x4 + cospi_24_64 * x5;
- s5 = cospi_24_64 * x4 - cospi_8_64 * x5;
- s6 = -cospi_24_64 * x6 + cospi_8_64 * x7;
- s7 = cospi_8_64 * x6 + cospi_24_64 * x7;
-
- x0 = s0 + s2;
- x1 = s1 + s3;
- x2 = s0 - s2;
- x3 = s1 - s3;
- x4 = ROUND_POWER_OF_TWO((s4 + s6), DCT_CONST_BITS);
- x5 = ROUND_POWER_OF_TWO((s5 + s7), DCT_CONST_BITS);
- x6 = ROUND_POWER_OF_TWO((s4 - s6), DCT_CONST_BITS);
- x7 = ROUND_POWER_OF_TWO((s5 - s7), DCT_CONST_BITS);
-
- // stage 3
- s2 = cospi_16_64 * (x2 + x3);
- s3 = cospi_16_64 * (x2 - x3);
- s6 = cospi_16_64 * (x6 + x7);
- s7 = cospi_16_64 * (x6 - x7);
-
- x2 = ROUND_POWER_OF_TWO((s2), DCT_CONST_BITS);
- x3 = ROUND_POWER_OF_TWO((s3), DCT_CONST_BITS);
- x6 = ROUND_POWER_OF_TWO((s6), DCT_CONST_BITS);
- x7 = ROUND_POWER_OF_TWO((s7), DCT_CONST_BITS);
-
- output[0] = x0;
- output[1] = -x4;
- output[2] = x6;
- output[3] = -x2;
- output[4] = x3;
- output[5] = -x7;
- output[6] = x5;
- output[7] = -x1;
-}
-
void vp9_iht8x8_64_add_dspr2(const int16_t *input, uint8_t *dest,
int dest_stride, int tx_type) {
int i, j;
@@ -617,130 +90,4 @@ void vp9_iht8x8_64_add_dspr2(const int16_t *input, uint8_t *dest,
break;
}
}
-
-void vp9_idct8x8_12_add_dspr2(const int16_t *input, uint8_t *dest,
- int dest_stride) {
- DECLARE_ALIGNED(32, int16_t, out[8 * 8]);
- int16_t *outptr = out;
- uint32_t pos = 45;
-
- /* bit positon for extract from acc */
- __asm__ __volatile__ (
- "wrdsp %[pos], 1 \n\t"
- :
- : [pos] "r" (pos)
- );
-
- // First transform rows
- idct8_rows_dspr2(input, outptr, 4);
-
- outptr += 4;
-
- __asm__ __volatile__ (
- "sw $zero, 0(%[outptr]) \n\t"
- "sw $zero, 4(%[outptr]) \n\t"
- "sw $zero, 16(%[outptr]) \n\t"
- "sw $zero, 20(%[outptr]) \n\t"
- "sw $zero, 32(%[outptr]) \n\t"
- "sw $zero, 36(%[outptr]) \n\t"
- "sw $zero, 48(%[outptr]) \n\t"
- "sw $zero, 52(%[outptr]) \n\t"
- "sw $zero, 64(%[outptr]) \n\t"
- "sw $zero, 68(%[outptr]) \n\t"
- "sw $zero, 80(%[outptr]) \n\t"
- "sw $zero, 84(%[outptr]) \n\t"
- "sw $zero, 96(%[outptr]) \n\t"
- "sw $zero, 100(%[outptr]) \n\t"
- "sw $zero, 112(%[outptr]) \n\t"
- "sw $zero, 116(%[outptr]) \n\t"
-
- :
- : [outptr] "r" (outptr)
- );
-
-
- // Then transform columns and add to dest
- idct8_columns_add_blk_dspr2(&out[0], dest, dest_stride);
-}
-
-void vp9_idct8x8_1_add_dspr2(const int16_t *input, uint8_t *dest,
- int dest_stride) {
- uint32_t pos = 45;
- int32_t out;
- int32_t r;
- int32_t a1, absa1;
- int32_t t1, t2, vector_a1, vector_1, vector_2;
-
- /* bit positon for extract from acc */
- __asm__ __volatile__ (
- "wrdsp %[pos], 1 \n\t"
-
- :
- : [pos] "r" (pos)
- );
-
- out = DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input[0]);
- __asm__ __volatile__ (
- "addi %[out], %[out], 16 \n\t"
- "sra %[a1], %[out], 5 \n\t"
-
- : [out] "+r" (out), [a1] "=r" (a1)
- :
- );
-
- if (a1 < 0) {
- /* use quad-byte
- * input and output memory are four byte aligned */
- __asm__ __volatile__ (
- "abs %[absa1], %[a1] \n\t"
- "replv.qb %[vector_a1], %[absa1] \n\t"
-
- : [absa1] "=r" (absa1), [vector_a1] "=r" (vector_a1)
- : [a1] "r" (a1)
- );
-
- for (r = 8; r--;) {
- __asm__ __volatile__ (
- "lw %[t1], 0(%[dest]) \n\t"
- "lw %[t2], 4(%[dest]) \n\t"
- "subu_s.qb %[vector_1], %[t1], %[vector_a1] \n\t"
- "subu_s.qb %[vector_2], %[t2], %[vector_a1] \n\t"
- "sw %[vector_1], 0(%[dest]) \n\t"
- "sw %[vector_2], 4(%[dest]) \n\t"
- "add %[dest], %[dest], %[dest_stride] \n\t"
-
- : [t1] "=&r" (t1), [t2] "=&r" (t2),
- [vector_1] "=&r" (vector_1), [vector_2] "=&r" (vector_2),
- [dest] "+&r" (dest)
- : [dest_stride] "r" (dest_stride), [vector_a1] "r" (vector_a1)
- );
- }
- } else {
- /* use quad-byte
- * input and output memory are four byte aligned */
- __asm__ __volatile__ (
- "replv.qb %[vector_a1], %[a1] \n\t"
-
- : [vector_a1] "=r" (vector_a1)
- : [a1] "r" (a1)
- );
-
- for (r = 8; r--;) {
- __asm__ __volatile__ (
- "lw %[t1], 0(%[dest]) \n\t"
- "lw %[t2], 4(%[dest]) \n\t"
- "addu_s.qb %[vector_1], %[t1], %[vector_a1] \n\t"
- "addu_s.qb %[vector_2], %[t2], %[vector_a1] \n\t"
- "sw %[vector_1], 0(%[dest]) \n\t"
- "sw %[vector_2], 4(%[dest]) \n\t"
- "add %[dest], %[dest], %[dest_stride] \n\t"
-
- : [t1] "=&r" (t1), [t2] "=&r" (t2),
- [vector_1] "=&r" (vector_1), [vector_2] "=&r" (vector_2),
- [dest] "+r" (dest)
- : [dest_stride] "r" (dest_stride), [vector_a1] "r" (vector_a1)
- );
- }
- }
-}
#endif // #if HAVE_DSPR2
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