|  | /* | 
|  | * Copyright (c) 2021, Alliance for Open Media. All rights reserved | 
|  | * | 
|  | * This source code is subject to the terms of the BSD 3-Clause Clear License | 
|  | * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear | 
|  | * License was not distributed with this source code in the LICENSE file, you | 
|  | * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/.  If the | 
|  | * Alliance for Open Media Patent License 1.0 was not distributed with this | 
|  | * source code in the PATENTS file, you can obtain it at | 
|  | * aomedia.org/license/patent-license/. | 
|  | */ | 
|  |  | 
|  | #include <assert.h> | 
|  | #include <stdio.h> | 
|  |  | 
|  | #include "config/aom_dsp_rtcd.h" | 
|  |  | 
|  | #include "aom_dsp/mips/convolve_common_dspr2.h" | 
|  | #include "aom_dsp/aom_dsp_common.h" | 
|  | #include "aom_dsp/aom_filter.h" | 
|  | #include "aom_ports/mem.h" | 
|  |  | 
|  | #if HAVE_DSPR2 | 
|  | static void convolve_bi_horiz_4_transposed_dspr2( | 
|  | const uint8_t *src, int32_t src_stride, uint8_t *dst, int32_t dst_stride, | 
|  | const int16_t *filter_x0, int32_t h) { | 
|  | int32_t y; | 
|  | uint8_t *cm = aom_ff_cropTbl; | 
|  | uint8_t *dst_ptr; | 
|  | int32_t Temp1, Temp2; | 
|  | uint32_t vector4a = 64; | 
|  | uint32_t tp1, tp2; | 
|  | uint32_t p1, p2; | 
|  | const int16_t *filter = &filter_x0[3]; | 
|  | uint32_t filter45; | 
|  |  | 
|  | filter45 = ((const int32_t *)filter)[0]; | 
|  |  | 
|  | for (y = h; y--;) { | 
|  | dst_ptr = dst; | 
|  | /* prefetch data to cache memory */ | 
|  | prefetch_load(src + src_stride); | 
|  | prefetch_load(src + src_stride + 32); | 
|  |  | 
|  | __asm__ __volatile__( | 
|  | "ulw              %[tp1],         0(%[src])                      \n\t" | 
|  | "ulw              %[tp2],         4(%[src])                      \n\t" | 
|  |  | 
|  | /* even 1. pixel */ | 
|  | "mtlo             %[vector4a],    $ac3                           \n\t" | 
|  | "mthi             $zero,          $ac3                           \n\t" | 
|  | "preceu.ph.qbr    %[p1],          %[tp1]                         \n\t" | 
|  | "preceu.ph.qbl    %[p2],          %[tp1]                         \n\t" | 
|  | "dpa.w.ph         $ac3,           %[p1],          %[filter45]    \n\t" | 
|  | "extp             %[Temp1],       $ac3,           31             \n\t" | 
|  |  | 
|  | /* even 2. pixel */ | 
|  | "mtlo             %[vector4a],    $ac2                           \n\t" | 
|  | "mthi             $zero,          $ac2                           \n\t" | 
|  | "balign           %[tp2],         %[tp1],         3              \n\t" | 
|  | "dpa.w.ph         $ac2,           %[p2],          %[filter45]    \n\t" | 
|  | "extp             %[Temp2],       $ac2,           31             \n\t" | 
|  |  | 
|  | /* odd 1. pixel */ | 
|  | "lbux             %[tp1],         %[Temp1](%[cm])                \n\t" | 
|  | "mtlo             %[vector4a],    $ac3                           \n\t" | 
|  | "mthi             $zero,          $ac3                           \n\t" | 
|  | "preceu.ph.qbr    %[p1],          %[tp2]                         \n\t" | 
|  | "preceu.ph.qbl    %[p2],          %[tp2]                         \n\t" | 
|  | "dpa.w.ph         $ac3,           %[p1],          %[filter45]    \n\t" | 
|  | "extp             %[Temp1],       $ac3,           31             \n\t" | 
|  |  | 
|  | /* odd 2. pixel */ | 
|  | "lbux             %[tp2],         %[Temp2](%[cm])                \n\t" | 
|  | "mtlo             %[vector4a],    $ac2                           \n\t" | 
|  | "mthi             $zero,          $ac2                           \n\t" | 
|  | "dpa.w.ph         $ac2,           %[p2],          %[filter45]    \n\t" | 
|  | "extp             %[Temp2],       $ac2,           31             \n\t" | 
|  |  | 
|  | /* clamp */ | 
|  | "lbux             %[p1],          %[Temp1](%[cm])                \n\t" | 
|  | "lbux             %[p2],          %[Temp2](%[cm])                \n\t" | 
|  |  | 
|  | /* store bytes */ | 
|  | "sb               %[tp1],         0(%[dst_ptr])                  \n\t" | 
|  | "addu             %[dst_ptr],     %[dst_ptr],     %[dst_stride]  \n\t" | 
|  |  | 
|  | "sb               %[p1],          0(%[dst_ptr])                  \n\t" | 
|  | "addu             %[dst_ptr],     %[dst_ptr],     %[dst_stride]  \n\t" | 
|  |  | 
|  | "sb               %[tp2],         0(%[dst_ptr])                  \n\t" | 
|  | "addu             %[dst_ptr],     %[dst_ptr],     %[dst_stride]  \n\t" | 
|  |  | 
|  | "sb               %[p2],          0(%[dst_ptr])                  \n\t" | 
|  | "addu             %[dst_ptr],     %[dst_ptr],     %[dst_stride]  \n\t" | 
|  |  | 
|  | : [tp1] "=&r"(tp1), [tp2] "=&r"(tp2), [p1] "=&r"(p1), [p2] "=&r"(p2), | 
|  | [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), [dst_ptr] "+r"(dst_ptr) | 
|  | : [filter45] "r"(filter45), [vector4a] "r"(vector4a), [cm] "r"(cm), | 
|  | [src] "r"(src), [dst_stride] "r"(dst_stride)); | 
|  |  | 
|  | /* Next row... */ | 
|  | src += src_stride; | 
|  | dst += 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void convolve_bi_horiz_8_transposed_dspr2( | 
|  | const uint8_t *src, int32_t src_stride, uint8_t *dst, int32_t dst_stride, | 
|  | const int16_t *filter_x0, int32_t h) { | 
|  | int32_t y; | 
|  | uint8_t *cm = aom_ff_cropTbl; | 
|  | uint8_t *dst_ptr; | 
|  | uint32_t vector4a = 64; | 
|  | int32_t Temp1, Temp2, Temp3; | 
|  | uint32_t tp1, tp2, tp3; | 
|  | uint32_t p1, p2, p3, p4; | 
|  | uint8_t *odd_dst; | 
|  | uint32_t dst_pitch_2 = (dst_stride << 1); | 
|  | const int16_t *filter = &filter_x0[3]; | 
|  | uint32_t filter45; | 
|  |  | 
|  | filter45 = ((const int32_t *)filter)[0]; | 
|  |  | 
|  | for (y = h; y--;) { | 
|  | /* prefetch data to cache memory */ | 
|  | prefetch_load(src + src_stride); | 
|  | prefetch_load(src + src_stride + 32); | 
|  |  | 
|  | dst_ptr = dst; | 
|  | odd_dst = (dst_ptr + dst_stride); | 
|  |  | 
|  | __asm__ __volatile__( | 
|  | "ulw              %[tp1],         0(%[src])                       \n\t" | 
|  | "ulw              %[tp2],         4(%[src])                       \n\t" | 
|  |  | 
|  | /* even 1. pixel */ | 
|  | "mtlo             %[vector4a],    $ac3                            \n\t" | 
|  | "mthi             $zero,          $ac3                            \n\t" | 
|  | "mtlo             %[vector4a],    $ac2                            \n\t" | 
|  | "mthi             $zero,          $ac2                            \n\t" | 
|  | "preceu.ph.qbr    %[p1],          %[tp1]                          \n\t" | 
|  | "preceu.ph.qbl    %[p2],          %[tp1]                          \n\t" | 
|  | "preceu.ph.qbr    %[p3],          %[tp2]                          \n\t" | 
|  | "preceu.ph.qbl    %[p4],          %[tp2]                          \n\t" | 
|  | "ulw              %[tp3],         8(%[src])                       \n\t" | 
|  | "dpa.w.ph         $ac3,           %[p1],          %[filter45]     \n\t" | 
|  | "extp             %[Temp1],       $ac3,           31              \n\t" | 
|  |  | 
|  | /* even 2. pixel */ | 
|  | "dpa.w.ph         $ac2,           %[p2],          %[filter45]     \n\t" | 
|  | "extp             %[Temp3],       $ac2,           31              \n\t" | 
|  |  | 
|  | /* even 3. pixel */ | 
|  | "lbux             %[Temp2],       %[Temp1](%[cm])                 \n\t" | 
|  | "mtlo             %[vector4a],    $ac1                            \n\t" | 
|  | "mthi             $zero,          $ac1                            \n\t" | 
|  | "balign           %[tp3],         %[tp2],         3              \n\t" | 
|  | "balign           %[tp2],         %[tp1],         3              \n\t" | 
|  | "dpa.w.ph         $ac1,           %[p3],          %[filter45]     \n\t" | 
|  | "lbux             %[tp1],         %[Temp3](%[cm])                 \n\t" | 
|  | "extp             %[p3],          $ac1,           31              \n\t" | 
|  |  | 
|  | /* even 4. pixel */ | 
|  | "mtlo             %[vector4a],    $ac2                            \n\t" | 
|  | "mthi             $zero,          $ac2                            \n\t" | 
|  | "mtlo             %[vector4a],    $ac3                            \n\t" | 
|  | "mthi             $zero,          $ac3                            \n\t" | 
|  | "sb               %[Temp2],       0(%[dst_ptr])                   \n\t" | 
|  | "addu             %[dst_ptr],     %[dst_ptr],     %[dst_pitch_2]  \n\t" | 
|  | "sb               %[tp1],         0(%[dst_ptr])                   \n\t" | 
|  | "addu             %[dst_ptr],     %[dst_ptr],     %[dst_pitch_2]  \n\t" | 
|  |  | 
|  | "dpa.w.ph         $ac2,           %[p4],          %[filter45]     \n\t" | 
|  | "extp             %[Temp3],       $ac2,           31              \n\t" | 
|  |  | 
|  | "lbux             %[Temp1],         %[p3](%[cm])                    " | 
|  | "\n\t" | 
|  |  | 
|  | /* odd 1. pixel */ | 
|  | "mtlo             %[vector4a],    $ac1                            \n\t" | 
|  | "mthi             $zero,          $ac1                            \n\t" | 
|  | "preceu.ph.qbr    %[p1],          %[tp2]                          \n\t" | 
|  | "preceu.ph.qbl    %[p2],          %[tp2]                          \n\t" | 
|  | "preceu.ph.qbr    %[p3],          %[tp3]                          \n\t" | 
|  | "preceu.ph.qbl    %[p4],          %[tp3]                          \n\t" | 
|  | "sb               %[Temp1],       0(%[dst_ptr])                   \n\t" | 
|  | "addu             %[dst_ptr],     %[dst_ptr],     %[dst_pitch_2]  \n\t" | 
|  |  | 
|  | "dpa.w.ph         $ac3,           %[p1],          %[filter45]     \n\t" | 
|  | "extp             %[Temp2],       $ac3,           31              \n\t" | 
|  |  | 
|  | /* odd 2. pixel */ | 
|  | "lbux             %[tp1],         %[Temp3](%[cm])                 \n\t" | 
|  | "mtlo             %[vector4a],    $ac3                            \n\t" | 
|  | "mthi             $zero,          $ac3                            \n\t" | 
|  | "mtlo             %[vector4a],    $ac2                            \n\t" | 
|  | "mthi             $zero,          $ac2                            \n\t" | 
|  | "dpa.w.ph         $ac1,           %[p2],          %[filter45]     \n\t" | 
|  | "sb               %[tp1],         0(%[dst_ptr])                   \n\t" | 
|  | "addu             %[dst_ptr],     %[dst_ptr],     %[dst_pitch_2]  \n\t" | 
|  | "extp             %[Temp3],       $ac1,           31              \n\t" | 
|  |  | 
|  | /* odd 3. pixel */ | 
|  | "lbux             %[tp3],         %[Temp2](%[cm])                 \n\t" | 
|  | "dpa.w.ph         $ac3,           %[p3],          %[filter45]     \n\t" | 
|  | "extp             %[Temp2],       $ac3,           31              \n\t" | 
|  |  | 
|  | /* odd 4. pixel */ | 
|  | "sb               %[tp3],         0(%[odd_dst])                   \n\t" | 
|  | "addu             %[odd_dst],     %[odd_dst],     %[dst_pitch_2]  \n\t" | 
|  | "dpa.w.ph         $ac2,           %[p4],          %[filter45]     \n\t" | 
|  | "extp             %[Temp1],       $ac2,           31              \n\t" | 
|  |  | 
|  | /* clamp */ | 
|  | "lbux             %[p4],          %[Temp3](%[cm])                 \n\t" | 
|  | "lbux             %[p2],          %[Temp2](%[cm])                 \n\t" | 
|  | "lbux             %[p1],          %[Temp1](%[cm])                 \n\t" | 
|  |  | 
|  | /* store bytes */ | 
|  | "sb               %[p4],          0(%[odd_dst])                   \n\t" | 
|  | "addu             %[odd_dst],     %[odd_dst],     %[dst_pitch_2]  \n\t" | 
|  |  | 
|  | "sb               %[p2],          0(%[odd_dst])                   \n\t" | 
|  | "addu             %[odd_dst],     %[odd_dst],     %[dst_pitch_2]  \n\t" | 
|  |  | 
|  | "sb               %[p1],          0(%[odd_dst])                   \n\t" | 
|  |  | 
|  | : [tp1] "=&r"(tp1), [tp2] "=&r"(tp2), [tp3] "=&r"(tp3), [p1] "=&r"(p1), | 
|  | [p2] "=&r"(p2), [p3] "=&r"(p3), [p4] "=&r"(p4), [Temp1] "=&r"(Temp1), | 
|  | [Temp2] "=&r"(Temp2), [Temp3] "=&r"(Temp3), [dst_ptr] "+r"(dst_ptr), | 
|  | [odd_dst] "+r"(odd_dst) | 
|  | : [filter45] "r"(filter45), [vector4a] "r"(vector4a), [cm] "r"(cm), | 
|  | [src] "r"(src), [dst_pitch_2] "r"(dst_pitch_2)); | 
|  |  | 
|  | /* Next row... */ | 
|  | src += src_stride; | 
|  | dst += 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void convolve_bi_horiz_16_transposed_dspr2( | 
|  | const uint8_t *src_ptr, int32_t src_stride, uint8_t *dst_ptr, | 
|  | int32_t dst_stride, const int16_t *filter_x0, int32_t h, int32_t count) { | 
|  | int32_t c, y; | 
|  | const uint8_t *src; | 
|  | uint8_t *dst; | 
|  | uint8_t *cm = aom_ff_cropTbl; | 
|  | uint32_t vector_64 = 64; | 
|  | int32_t Temp1, Temp2, Temp3; | 
|  | uint32_t qload1, qload2; | 
|  | uint32_t p1, p2, p3, p4, p5; | 
|  | uint32_t st1, st2, st3; | 
|  | uint32_t dst_pitch_2 = (dst_stride << 1); | 
|  | uint8_t *odd_dst; | 
|  | const int16_t *filter = &filter_x0[3]; | 
|  | uint32_t filter45; | 
|  |  | 
|  | filter45 = ((const int32_t *)filter)[0]; | 
|  |  | 
|  | for (y = h; y--;) { | 
|  | /* prefetch data to cache memory */ | 
|  | prefetch_load(src_ptr + src_stride); | 
|  | prefetch_load(src_ptr + src_stride + 32); | 
|  |  | 
|  | src = src_ptr; | 
|  | dst = dst_ptr; | 
|  |  | 
|  | odd_dst = (dst + dst_stride); | 
|  |  | 
|  | for (c = 0; c < count; c++) { | 
|  | __asm__ __volatile__( | 
|  | "ulw              %[qload1],        0(%[src])                       " | 
|  | "\n\t" | 
|  | "ulw              %[qload2],        4(%[src])                       " | 
|  | "\n\t" | 
|  |  | 
|  | /* even 1. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* even 1 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* even 2 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p1],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p2],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p3],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p4],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "ulw              %[qload1],        8(%[src])                       " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p1],          %[filter45]     " | 
|  | "\n\t" /* even 1 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* even 1 */ | 
|  |  | 
|  | /* even 2. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* even 3 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p1],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p5],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "ulw              %[qload2],        12(%[src])                      " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p2],          %[filter45]     " | 
|  | "\n\t" /* even 1 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* even 1 */ | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* even 1 */ | 
|  |  | 
|  | /* even 3. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* even 4 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p2],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[dst])                       " | 
|  | "\n\t" /* even 1 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]   " | 
|  | "          \n\t" | 
|  | "dpa.w.ph         $ac3,             %[p3],          %[filter45]     " | 
|  | "\n\t" /* even 3 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* even 3 */ | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* even 1 */ | 
|  |  | 
|  | /* even 4. pixel */ | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* even 5 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p3],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "sb               %[st2],           0(%[dst])                       " | 
|  | "\n\t" /* even 2 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p4],          %[filter45]     " | 
|  | "\n\t" /* even 4 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* even 4 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* even 3 */ | 
|  |  | 
|  | /* even 5. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* even 6 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "sb               %[st3],           0(%[dst])                       " | 
|  | "\n\t" /* even 3 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p1],          %[filter45]     " | 
|  | "\n\t" /* even 5 */ | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* even 5 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* even 4 */ | 
|  |  | 
|  | /* even 6. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* even 7 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[dst])                       " | 
|  | "\n\t" /* even 4 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "ulw              %[qload1],        20(%[src])                      " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac3,             %[p5],          %[filter45]     " | 
|  | "\n\t" /* even 6 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* even 6 */ | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* even 5 */ | 
|  |  | 
|  | /* even 7. pixel */ | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* even 8 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p5],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "sb               %[st2],           0(%[dst])                       " | 
|  | "\n\t" /* even 5 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p2],          %[filter45]     " | 
|  | "\n\t" /* even 7 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* even 7 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* even 6 */ | 
|  |  | 
|  | /* even 8. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* odd 1 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p3],          %[filter45]     " | 
|  | "\n\t" /* even 8 */ | 
|  | "sb               %[st3],           0(%[dst])                       " | 
|  | "\n\t" /* even 6 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* even 8 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* even 7 */ | 
|  |  | 
|  | /* ODD pixels */ | 
|  | "ulw              %[qload1],        1(%[src])                       " | 
|  | "\n\t" | 
|  | "ulw              %[qload2],        5(%[src])                       " | 
|  | "\n\t" | 
|  |  | 
|  | /* odd 1. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* odd 2 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p1],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p2],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p3],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p4],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[dst])                       " | 
|  | "\n\t" /* even 7 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "ulw              %[qload2],        9(%[src])                       " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac3,             %[p1],          %[filter45]     " | 
|  | "\n\t" /* odd 1 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* odd 1 */ | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* even 8 */ | 
|  |  | 
|  | /* odd 2. pixel */ | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* odd 3 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p1],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p5],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "sb               %[st2],           0(%[dst])                       " | 
|  | "\n\t" /* even 8 */ | 
|  | "ulw              %[qload1],        13(%[src])                      " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p2],          %[filter45]     " | 
|  | "\n\t" /* odd 2 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* odd 2 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* odd 1 */ | 
|  |  | 
|  | /* odd 3. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* odd 4 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p2],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "sb               %[st3],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 1 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p3],          %[filter45]     " | 
|  | "\n\t" /* odd 3 */ | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* odd 3 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* odd 2 */ | 
|  |  | 
|  | /* odd 4. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* odd 5 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p3],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 2 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac3,             %[p4],          %[filter45]     " | 
|  | "\n\t" /* odd 4 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* odd 4 */ | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* odd 3 */ | 
|  |  | 
|  | /* odd 5. pixel */ | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* odd 6 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "sb               %[st2],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 3 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p1],          %[filter45]     " | 
|  | "\n\t" /* odd 5 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* odd 5 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* odd 4 */ | 
|  |  | 
|  | /* odd 6. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* odd 7 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "sb               %[st3],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 4 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "ulw              %[qload1],        21(%[src])                      " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p5],          %[filter45]     " | 
|  | "\n\t" /* odd 6 */ | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* odd 6 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* odd 5 */ | 
|  |  | 
|  | /* odd 7. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* odd 8 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p5],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 5 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac3,             %[p2],          %[filter45]     " | 
|  | "\n\t" /* odd 7 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* odd 7 */ | 
|  |  | 
|  | /* odd 8. pixel */ | 
|  | "dpa.w.ph         $ac1,             %[p3],          %[filter45]     " | 
|  | "\n\t" /* odd 8 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* odd 8 */ | 
|  |  | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* odd 6 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* odd 7 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* odd 8 */ | 
|  |  | 
|  | "sb               %[st2],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 6 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  |  | 
|  | "sb               %[st3],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 7 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  |  | 
|  | "sb               %[st1],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 8 */ | 
|  |  | 
|  | : [qload1] "=&r"(qload1), [qload2] "=&r"(qload2), [p5] "=&r"(p5), | 
|  | [st1] "=&r"(st1), [st2] "=&r"(st2), [st3] "=&r"(st3), | 
|  | [p1] "=&r"(p1), [p2] "=&r"(p2), [p3] "=&r"(p3), [p4] "=&r"(p4), | 
|  | [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), [Temp3] "=&r"(Temp3), | 
|  | [dst] "+r"(dst), [odd_dst] "+r"(odd_dst) | 
|  | : [filter45] "r"(filter45), [vector_64] "r"(vector_64), [cm] "r"(cm), | 
|  | [src] "r"(src), [dst_pitch_2] "r"(dst_pitch_2)); | 
|  |  | 
|  | src += 16; | 
|  | dst = (dst_ptr + ((c + 1) * 16 * dst_stride)); | 
|  | odd_dst = (dst + dst_stride); | 
|  | } | 
|  |  | 
|  | /* Next row... */ | 
|  | src_ptr += src_stride; | 
|  | dst_ptr += 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void convolve_bi_horiz_64_transposed_dspr2( | 
|  | const uint8_t *src_ptr, int32_t src_stride, uint8_t *dst_ptr, | 
|  | int32_t dst_stride, const int16_t *filter_x0, int32_t h) { | 
|  | int32_t c, y; | 
|  | const uint8_t *src; | 
|  | uint8_t *dst; | 
|  | uint8_t *cm = aom_ff_cropTbl; | 
|  | uint32_t vector_64 = 64; | 
|  | int32_t Temp1, Temp2, Temp3; | 
|  | uint32_t qload1, qload2; | 
|  | uint32_t p1, p2, p3, p4, p5; | 
|  | uint32_t st1, st2, st3; | 
|  | uint32_t dst_pitch_2 = (dst_stride << 1); | 
|  | uint8_t *odd_dst; | 
|  | const int16_t *filter = &filter_x0[3]; | 
|  | uint32_t filter45; | 
|  |  | 
|  | filter45 = ((const int32_t *)filter)[0]; | 
|  |  | 
|  | for (y = h; y--;) { | 
|  | /* prefetch data to cache memory */ | 
|  | prefetch_load(src_ptr + src_stride); | 
|  | prefetch_load(src_ptr + src_stride + 32); | 
|  | prefetch_load(src_ptr + src_stride + 64); | 
|  |  | 
|  | src = src_ptr; | 
|  | dst = dst_ptr; | 
|  |  | 
|  | odd_dst = (dst + dst_stride); | 
|  |  | 
|  | for (c = 0; c < 4; c++) { | 
|  | __asm__ __volatile__( | 
|  | "ulw              %[qload1],        0(%[src])                       " | 
|  | "\n\t" | 
|  | "ulw              %[qload2],        4(%[src])                       " | 
|  | "\n\t" | 
|  |  | 
|  | /* even 1. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* even 1 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* even 2 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p1],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p2],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p3],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p4],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "ulw              %[qload1],        8(%[src])                       " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p1],          %[filter45]     " | 
|  | "\n\t" /* even 1 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* even 1 */ | 
|  |  | 
|  | /* even 2. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* even 3 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p1],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p5],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "ulw              %[qload2],        12(%[src])                      " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p2],          %[filter45]     " | 
|  | "\n\t" /* even 1 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* even 1 */ | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* even 1 */ | 
|  |  | 
|  | /* even 3. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* even 4 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p2],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[dst])                       " | 
|  | "\n\t" /* even 1 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]   " | 
|  | "          \n\t" | 
|  | "dpa.w.ph         $ac3,             %[p3],          %[filter45]     " | 
|  | "\n\t" /* even 3 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* even 3 */ | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* even 1 */ | 
|  |  | 
|  | /* even 4. pixel */ | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* even 5 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p3],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "sb               %[st2],           0(%[dst])                       " | 
|  | "\n\t" /* even 2 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p4],          %[filter45]     " | 
|  | "\n\t" /* even 4 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* even 4 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* even 3 */ | 
|  |  | 
|  | /* even 5. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* even 6 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "sb               %[st3],           0(%[dst])                       " | 
|  | "\n\t" /* even 3 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p1],          %[filter45]     " | 
|  | "\n\t" /* even 5 */ | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* even 5 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* even 4 */ | 
|  |  | 
|  | /* even 6. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* even 7 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[dst])                       " | 
|  | "\n\t" /* even 4 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "ulw              %[qload1],        20(%[src])                      " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac3,             %[p5],          %[filter45]     " | 
|  | "\n\t" /* even 6 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* even 6 */ | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* even 5 */ | 
|  |  | 
|  | /* even 7. pixel */ | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* even 8 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p5],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "sb               %[st2],           0(%[dst])                       " | 
|  | "\n\t" /* even 5 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p2],          %[filter45]     " | 
|  | "\n\t" /* even 7 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* even 7 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* even 6 */ | 
|  |  | 
|  | /* even 8. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* odd 1 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p3],          %[filter45]     " | 
|  | "\n\t" /* even 8 */ | 
|  | "sb               %[st3],           0(%[dst])                       " | 
|  | "\n\t" /* even 6 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* even 8 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* even 7 */ | 
|  |  | 
|  | /* ODD pixels */ | 
|  | "ulw              %[qload1],        1(%[src])                       " | 
|  | "\n\t" | 
|  | "ulw              %[qload2],        5(%[src])                       " | 
|  | "\n\t" | 
|  |  | 
|  | /* odd 1. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* odd 2 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p1],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p2],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p3],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p4],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[dst])                       " | 
|  | "\n\t" /* even 7 */ | 
|  | "addu             %[dst],           %[dst],         %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "ulw              %[qload2],        9(%[src])                       " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac3,             %[p1],          %[filter45]     " | 
|  | "\n\t" /* odd 1 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* odd 1 */ | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* even 8 */ | 
|  |  | 
|  | /* odd 2. pixel */ | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* odd 3 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p1],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p5],            %[qload2]                       " | 
|  | "\n\t" | 
|  | "sb               %[st2],           0(%[dst])                       " | 
|  | "\n\t" /* even 8 */ | 
|  | "ulw              %[qload1],        13(%[src])                      " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p2],          %[filter45]     " | 
|  | "\n\t" /* odd 2 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* odd 2 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* odd 1 */ | 
|  |  | 
|  | /* odd 3. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* odd 4 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p2],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "sb               %[st3],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 1 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p3],          %[filter45]     " | 
|  | "\n\t" /* odd 3 */ | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* odd 3 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* odd 2 */ | 
|  |  | 
|  | /* odd 4. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* odd 5 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbl    %[p3],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 2 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac3,             %[p4],          %[filter45]     " | 
|  | "\n\t" /* odd 4 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* odd 4 */ | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* odd 3 */ | 
|  |  | 
|  | /* odd 5. pixel */ | 
|  | "mtlo             %[vector_64],     $ac2                            " | 
|  | "\n\t" /* odd 6 */ | 
|  | "mthi             $zero,            $ac2                            " | 
|  | "\n\t" | 
|  | "sb               %[st2],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 3 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac1,             %[p1],          %[filter45]     " | 
|  | "\n\t" /* odd 5 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* odd 5 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* odd 4 */ | 
|  |  | 
|  | /* odd 6. pixel */ | 
|  | "mtlo             %[vector_64],     $ac3                            " | 
|  | "\n\t" /* odd 7 */ | 
|  | "mthi             $zero,            $ac3                            " | 
|  | "\n\t" | 
|  | "sb               %[st3],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 4 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "ulw              %[qload1],        21(%[src])                      " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac2,             %[p5],          %[filter45]     " | 
|  | "\n\t" /* odd 6 */ | 
|  | "extp             %[Temp2],         $ac2,           31              " | 
|  | "\n\t" /* odd 6 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* odd 5 */ | 
|  |  | 
|  | /* odd 7. pixel */ | 
|  | "mtlo             %[vector_64],     $ac1                            " | 
|  | "\n\t" /* odd 8 */ | 
|  | "mthi             $zero,            $ac1                            " | 
|  | "\n\t" | 
|  | "preceu.ph.qbr    %[p5],            %[qload1]                       " | 
|  | "\n\t" | 
|  | "sb               %[st1],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 5 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  | "dpa.w.ph         $ac3,             %[p2],          %[filter45]     " | 
|  | "\n\t" /* odd 7 */ | 
|  | "extp             %[Temp3],         $ac3,           31              " | 
|  | "\n\t" /* odd 7 */ | 
|  |  | 
|  | /* odd 8. pixel */ | 
|  | "dpa.w.ph         $ac1,             %[p3],          %[filter45]     " | 
|  | "\n\t" /* odd 8 */ | 
|  | "extp             %[Temp1],         $ac1,           31              " | 
|  | "\n\t" /* odd 8 */ | 
|  |  | 
|  | "lbux             %[st2],           %[Temp2](%[cm])                 " | 
|  | "\n\t" /* odd 6 */ | 
|  | "lbux             %[st3],           %[Temp3](%[cm])                 " | 
|  | "\n\t" /* odd 7 */ | 
|  | "lbux             %[st1],           %[Temp1](%[cm])                 " | 
|  | "\n\t" /* odd 8 */ | 
|  |  | 
|  | "sb               %[st2],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 6 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  |  | 
|  | "sb               %[st3],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 7 */ | 
|  | "addu             %[odd_dst],       %[odd_dst],     %[dst_pitch_2]  " | 
|  | "\n\t" | 
|  |  | 
|  | "sb               %[st1],           0(%[odd_dst])                   " | 
|  | "\n\t" /* odd 8 */ | 
|  |  | 
|  | : [qload1] "=&r"(qload1), [qload2] "=&r"(qload2), [p5] "=&r"(p5), | 
|  | [st1] "=&r"(st1), [st2] "=&r"(st2), [st3] "=&r"(st3), | 
|  | [p1] "=&r"(p1), [p2] "=&r"(p2), [p3] "=&r"(p3), [p4] "=&r"(p4), | 
|  | [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), [Temp3] "=&r"(Temp3), | 
|  | [dst] "+r"(dst), [odd_dst] "+r"(odd_dst) | 
|  | : [filter45] "r"(filter45), [vector_64] "r"(vector_64), [cm] "r"(cm), | 
|  | [src] "r"(src), [dst_pitch_2] "r"(dst_pitch_2)); | 
|  |  | 
|  | src += 16; | 
|  | dst = (dst_ptr + ((c + 1) * 16 * dst_stride)); | 
|  | odd_dst = (dst + dst_stride); | 
|  | } | 
|  |  | 
|  | /* Next row... */ | 
|  | src_ptr += src_stride; | 
|  | dst_ptr += 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | void convolve_bi_horiz_transposed(const uint8_t *src, ptrdiff_t src_stride, | 
|  | uint8_t *dst, ptrdiff_t dst_stride, | 
|  | const int16_t *filter, int w, int h) { | 
|  | int x, y; | 
|  |  | 
|  | for (y = 0; y < h; ++y) { | 
|  | for (x = 0; x < w; ++x) { | 
|  | int sum = 0; | 
|  |  | 
|  | sum += src[x] * filter[3]; | 
|  | sum += src[x + 1] * filter[4]; | 
|  |  | 
|  | dst[x * dst_stride] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); | 
|  | } | 
|  |  | 
|  | src += src_stride; | 
|  | dst += 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | void aom_convolve2_dspr2(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, | 
|  | ptrdiff_t dst_stride, const int16_t *filter, int w, | 
|  | int h) { | 
|  | uint32_t pos = 38; | 
|  |  | 
|  | /* bit positon for extract from acc */ | 
|  | __asm__ __volatile__("wrdsp      %[pos],     1           \n\t" | 
|  | : | 
|  | : [pos] "r"(pos)); | 
|  |  | 
|  | /* prefetch data to cache memory */ | 
|  | prefetch_load(src); | 
|  | prefetch_load(src + 32); | 
|  |  | 
|  | switch (w) { | 
|  | case 4: | 
|  | convolve_bi_horiz_4_transposed_dspr2(src, src_stride, dst, dst_stride, | 
|  | filter, h); | 
|  | break; | 
|  | case 8: | 
|  | convolve_bi_horiz_8_transposed_dspr2(src, src_stride, dst, dst_stride, | 
|  | filter, h); | 
|  | break; | 
|  | case 16: | 
|  | case 32: | 
|  | convolve_bi_horiz_16_transposed_dspr2(src, src_stride, dst, dst_stride, | 
|  | filter, h, (w / 16)); | 
|  | break; | 
|  | case 64: | 
|  | prefetch_load(src + 32); | 
|  | convolve_bi_horiz_64_transposed_dspr2(src, src_stride, dst, dst_stride, | 
|  | filter, h); | 
|  | break; | 
|  | default: | 
|  | convolve_bi_horiz_transposed(src, src_stride, dst, dst_stride, filter, w, | 
|  | h); | 
|  | break; | 
|  | } | 
|  | } | 
|  | #endif |