| /* | 
 |  * Copyright (c) 2016, Alliance for Open Media. All rights reserved | 
 |  * | 
 |  * This source code is subject to the terms of the BSD 2 Clause License and | 
 |  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License | 
 |  * was not distributed with this source code in the LICENSE file, you can | 
 |  * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent. | 
 |  */ | 
 |  | 
 | #include <assert.h> | 
 | #include <stdio.h> | 
 |  | 
 | #include "./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_horiz_4_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; | 
 |   int32_t vector1b, vector2b, vector3b, vector4b; | 
 |   int32_t Temp1, Temp2, Temp3, Temp4; | 
 |   uint32_t vector4a = 64; | 
 |   uint32_t tp1, tp2; | 
 |   uint32_t p1, p2, p3, p4; | 
 |   uint32_t n1, n2, n3, n4; | 
 |   uint32_t tn1, tn2; | 
 |  | 
 |   vector1b = ((const int32_t *)filter_x0)[0]; | 
 |   vector2b = ((const int32_t *)filter_x0)[1]; | 
 |   vector3b = ((const int32_t *)filter_x0)[2]; | 
 |   vector4b = ((const int32_t *)filter_x0)[3]; | 
 |  | 
 |   for (y = h; y--;) { | 
 |     /* prefetch data to cache memory */ | 
 |     prefetch_load(src + src_stride); | 
 |     prefetch_load(src + src_stride + 32); | 
 |     prefetch_store(dst + 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" | 
 |         "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" | 
 |         "dpa.w.ph         $ac3,        %[p1],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p2],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p3],          %[vector3b]    \n\t" | 
 |         "ulw              %[tn2],      8(%[src])                      \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p4],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp1],    $ac3,           31             \n\t" | 
 |  | 
 |         /* even 2. pixel */ | 
 |         "mtlo             %[vector4a], $ac2                           \n\t" | 
 |         "mthi             $zero,       $ac2                           \n\t" | 
 |         "preceu.ph.qbr    %[p1],       %[tn2]                         \n\t" | 
 |         "balign           %[tn1],      %[tn2],         3              \n\t" | 
 |         "balign           %[tn2],      %[tp2],         3              \n\t" | 
 |         "balign           %[tp2],      %[tp1],         3              \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p2],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p3],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p4],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p1],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp3],    $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    %[n1],       %[tp2]                         \n\t" | 
 |         "preceu.ph.qbl    %[n2],       %[tp2]                         \n\t" | 
 |         "preceu.ph.qbr    %[n3],       %[tn2]                         \n\t" | 
 |         "preceu.ph.qbl    %[n4],       %[tn2]                         \n\t" | 
 |         "dpa.w.ph         $ac3,        %[n1],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[n2],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[n3],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[n4],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp2],    $ac3,           31             \n\t" | 
 |  | 
 |         /* odd 2. pixel */ | 
 |         "lbux             %[tp2],      %[Temp3](%[cm])                \n\t" | 
 |         "mtlo             %[vector4a], $ac2                           \n\t" | 
 |         "mthi             $zero,       $ac2                           \n\t" | 
 |         "preceu.ph.qbr    %[n1],       %[tn1]                         \n\t" | 
 |         "dpa.w.ph         $ac2,        %[n2],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[n3],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[n4],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[n1],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp4],    $ac2,           31             \n\t" | 
 |  | 
 |         /* clamp */ | 
 |         "lbux             %[tn1],      %[Temp2](%[cm])                \n\t" | 
 |         "lbux             %[n2],       %[Temp4](%[cm])                \n\t" | 
 |  | 
 |         /* store bytes */ | 
 |         "sb               %[tp1],      0(%[dst])                      \n\t" | 
 |         "sb               %[tn1],      1(%[dst])                      \n\t" | 
 |         "sb               %[tp2],      2(%[dst])                      \n\t" | 
 |         "sb               %[n2],       3(%[dst])                      \n\t" | 
 |  | 
 |         : [tp1] "=&r"(tp1), [tp2] "=&r"(tp2), [tn1] "=&r"(tn1), | 
 |           [tn2] "=&r"(tn2), [p1] "=&r"(p1), [p2] "=&r"(p2), [p3] "=&r"(p3), | 
 |           [p4] "=&r"(p4), [n1] "=&r"(n1), [n2] "=&r"(n2), [n3] "=&r"(n3), | 
 |           [n4] "=&r"(n4), [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), | 
 |           [Temp3] "=&r"(Temp3), [Temp4] "=&r"(Temp4) | 
 |         : [vector1b] "r"(vector1b), [vector2b] "r"(vector2b), | 
 |           [vector3b] "r"(vector3b), [vector4b] "r"(vector4b), | 
 |           [vector4a] "r"(vector4a), [cm] "r"(cm), [dst] "r"(dst), | 
 |           [src] "r"(src)); | 
 |  | 
 |     /* Next row... */ | 
 |     src += src_stride; | 
 |     dst += dst_stride; | 
 |   } | 
 | } | 
 |  | 
 | static void convolve_horiz_8_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; | 
 |   uint32_t vector4a = 64; | 
 |   int32_t vector1b, vector2b, vector3b, vector4b; | 
 |   int32_t Temp1, Temp2, Temp3; | 
 |   uint32_t tp1, tp2; | 
 |   uint32_t p1, p2, p3, p4, n1; | 
 |   uint32_t tn1, tn2, tn3; | 
 |   uint32_t st0, st1; | 
 |  | 
 |   vector1b = ((const int32_t *)filter_x0)[0]; | 
 |   vector2b = ((const int32_t *)filter_x0)[1]; | 
 |   vector3b = ((const int32_t *)filter_x0)[2]; | 
 |   vector4b = ((const int32_t *)filter_x0)[3]; | 
 |  | 
 |   for (y = h; y--;) { | 
 |     /* prefetch data to cache memory */ | 
 |     prefetch_load(src + src_stride); | 
 |     prefetch_load(src + src_stride + 32); | 
 |     prefetch_store(dst + 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              %[tn2],      8(%[src])                      \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p1],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p2],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p3],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p4],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp1],    $ac3,           31             \n\t" | 
 |  | 
 |         /* even 2. pixel */ | 
 |         "preceu.ph.qbr    %[p1],       %[tn2]                         \n\t" | 
 |         "preceu.ph.qbl    %[n1],       %[tn2]                         \n\t" | 
 |         "ulw              %[tn1],      12(%[src])                     \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p2],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p3],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p4],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p1],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp3],    $ac2,           31             \n\t" | 
 |  | 
 |         /* even 3. pixel */ | 
 |         "lbux             %[st0],      %[Temp1](%[cm])                \n\t" | 
 |         "mtlo             %[vector4a], $ac1                           \n\t" | 
 |         "mthi             $zero,       $ac1                           \n\t" | 
 |         "preceu.ph.qbr    %[p2],       %[tn1]                         \n\t" | 
 |         "dpa.w.ph         $ac1,        %[p3],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac1,        %[p4],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac1,        %[p1],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac1,        %[n1],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp1],    $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               %[st0],      0(%[dst])                      \n\t" | 
 |         "lbux             %[st1],      %[Temp3](%[cm])                \n\t" | 
 |  | 
 |         "balign           %[tn3],      %[tn1],         3              \n\t" | 
 |         "balign           %[tn1],      %[tn2],         3              \n\t" | 
 |         "balign           %[tn2],      %[tp2],         3              \n\t" | 
 |         "balign           %[tp2],      %[tp1],         3              \n\t" | 
 |  | 
 |         "dpa.w.ph         $ac2,        %[p4],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p1],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[n1],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p2],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp3],    $ac2,           31             \n\t" | 
 |  | 
 |         "lbux             %[st0],      %[Temp1](%[cm])                \n\t" | 
 |  | 
 |         /* odd 1. pixel */ | 
 |         "mtlo             %[vector4a], $ac1                           \n\t" | 
 |         "mthi             $zero,       $ac1                           \n\t" | 
 |         "sb               %[st1],      2(%[dst])                      \n\t" | 
 |         "preceu.ph.qbr    %[p1],       %[tp2]                         \n\t" | 
 |         "preceu.ph.qbl    %[p2],       %[tp2]                         \n\t" | 
 |         "preceu.ph.qbr    %[p3],       %[tn2]                         \n\t" | 
 |         "preceu.ph.qbl    %[p4],       %[tn2]                         \n\t" | 
 |         "sb               %[st0],      4(%[dst])                      \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p1],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p2],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p3],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p4],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp2],    $ac3,           31             \n\t" | 
 |  | 
 |         /* odd 2. 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],       %[tn1]                         \n\t" | 
 |         "preceu.ph.qbl    %[n1],       %[tn1]                         \n\t" | 
 |         "lbux             %[st0],      %[Temp3](%[cm])                \n\t" | 
 |         "dpa.w.ph         $ac1,        %[p2],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac1,        %[p3],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac1,        %[p4],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac1,        %[p1],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp3],    $ac1,           31             \n\t" | 
 |  | 
 |         /* odd 3. pixel */ | 
 |         "lbux             %[st1],      %[Temp2](%[cm])                \n\t" | 
 |         "preceu.ph.qbr    %[p2],       %[tn3]                         \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p3],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p4],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[p1],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac3,        %[n1],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp2],    $ac3,           31             \n\t" | 
 |  | 
 |         /* odd 4. pixel */ | 
 |         "sb               %[st1],      1(%[dst])                      \n\t" | 
 |         "sb               %[st0],      6(%[dst])                      \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p4],          %[vector1b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p1],          %[vector2b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[n1],          %[vector3b]    \n\t" | 
 |         "dpa.w.ph         $ac2,        %[p2],          %[vector4b]    \n\t" | 
 |         "extp             %[Temp1],    $ac2,           31             \n\t" | 
 |  | 
 |         /* clamp */ | 
 |         "lbux             %[p4],       %[Temp3](%[cm])                \n\t" | 
 |         "lbux             %[p2],       %[Temp2](%[cm])                \n\t" | 
 |         "lbux             %[n1],       %[Temp1](%[cm])                \n\t" | 
 |  | 
 |         /* store bytes */ | 
 |         "sb               %[p4],       3(%[dst])                      \n\t" | 
 |         "sb               %[p2],       5(%[dst])                      \n\t" | 
 |         "sb               %[n1],       7(%[dst])                      \n\t" | 
 |  | 
 |         : [tp1] "=&r"(tp1), [tp2] "=&r"(tp2), [tn1] "=&r"(tn1), | 
 |           [tn2] "=&r"(tn2), [tn3] "=&r"(tn3), [st0] "=&r"(st0), | 
 |           [st1] "=&r"(st1), [p1] "=&r"(p1), [p2] "=&r"(p2), [p3] "=&r"(p3), | 
 |           [p4] "=&r"(p4), [n1] "=&r"(n1), [Temp1] "=&r"(Temp1), | 
 |           [Temp2] "=&r"(Temp2), [Temp3] "=&r"(Temp3) | 
 |         : [vector1b] "r"(vector1b), [vector2b] "r"(vector2b), | 
 |           [vector3b] "r"(vector3b), [vector4b] "r"(vector4b), | 
 |           [vector4a] "r"(vector4a), [cm] "r"(cm), [dst] "r"(dst), | 
 |           [src] "r"(src)); | 
 |  | 
 |     /* Next row... */ | 
 |     src += src_stride; | 
 |     dst += dst_stride; | 
 |   } | 
 | } | 
 |  | 
 | static void convolve_horiz_16_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 y, c; | 
 |   const uint8_t *src; | 
 |   uint8_t *dst; | 
 |   uint8_t *cm = aom_ff_cropTbl; | 
 |   uint32_t vector_64 = 64; | 
 |   int32_t filter12, filter34, filter56, filter78; | 
 |   int32_t Temp1, Temp2, Temp3; | 
 |   uint32_t qload1, qload2, qload3; | 
 |   uint32_t p1, p2, p3, p4, p5; | 
 |   uint32_t st1, st2, st3; | 
 |  | 
 |   filter12 = ((const int32_t *)filter_x0)[0]; | 
 |   filter34 = ((const int32_t *)filter_x0)[1]; | 
 |   filter56 = ((const int32_t *)filter_x0)[2]; | 
 |   filter78 = ((const int32_t *)filter_x0)[3]; | 
 |  | 
 |   for (y = h; y--;) { | 
 |     src = src_ptr; | 
 |     dst = dst_ptr; | 
 |  | 
 |     /* prefetch data to cache memory */ | 
 |     prefetch_load(src_ptr + src_stride); | 
 |     prefetch_load(src_ptr + src_stride + 32); | 
 |     prefetch_store(dst_ptr + 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              %[qload3],    8(%[src])                    \n\t" | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter12]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter34]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter56]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter78]  \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],        %[qload3]                    \n\t" | 
 |           "preceu.ph.qbl    %[p5],        %[qload3]                    \n\t" | 
 |           "ulw              %[qload1],    12(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac2,         %[p2],          %[filter12]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac2,         %[p3],          %[filter34]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac2,         %[p4],          %[filter56]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac2,         %[p1],          %[filter78]  \n\t" /* even 1 */ | 
 |           "extp             %[Temp2],     $ac2,           31           \n\t" /* even 1 */ | 
 |           "lbux             %[st1],       %[Temp1](%[cm])              \n\t" /* even 1 */ | 
 |  | 
 |           /* even 3. pixel */ | 
 |           "mtlo             %[vector_64], $ac1                         \n\t" /* even 4 */ | 
 |           "mthi             $zero,        $ac1                         \n\t" | 
 |           "preceu.ph.qbr    %[p2],        %[qload1]                    \n\t" | 
 |           "sb               %[st1],       0(%[dst])                    \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac3,         %[p3],          %[filter12]  \n\t" /* even 3 */ | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter34]  \n\t" /* even 3 */ | 
 |           "dpa.w.ph         $ac3,         %[p1],          %[filter56]  \n\t" /* even 3 */ | 
 |           "dpa.w.ph         $ac3,         %[p5],          %[filter78]  \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],        %[qload1]                    \n\t" | 
 |           "sb               %[st2],       2(%[dst])                    \n\t" /* even 1 */ | 
 |           "ulw              %[qload2],    16(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter12]  \n\t" /* even 4 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter34]  \n\t" /* even 4 */ | 
 |           "dpa.w.ph         $ac1,         %[p5],          %[filter56]  \n\t" /* even 4 */ | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter78]  \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" | 
 |           "preceu.ph.qbr    %[p4],        %[qload2]                    \n\t" | 
 |           "sb               %[st3],       4(%[dst])                    \n\t" /* even 3 */ | 
 |           "dpa.w.ph         $ac2,         %[p1],          %[filter12]  \n\t" /* even 5 */ | 
 |           "dpa.w.ph         $ac2,         %[p5],          %[filter34]  \n\t" /* even 5 */ | 
 |           "dpa.w.ph         $ac2,         %[p2],          %[filter56]  \n\t" /* even 5 */ | 
 |           "dpa.w.ph         $ac2,         %[p3],          %[filter78]  \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" | 
 |           "preceu.ph.qbl    %[p1],        %[qload2]                    \n\t" | 
 |           "sb               %[st1],       6(%[dst])                    \n\t" /* even 4 */ | 
 |           "ulw              %[qload3],    20(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac3,         %[p5],          %[filter12]  \n\t" /* even 6 */ | 
 |           "dpa.w.ph         $ac3,         %[p2],          %[filter34]  \n\t" /* even 6 */ | 
 |           "dpa.w.ph         $ac3,         %[p3],          %[filter56]  \n\t" /* even 6 */ | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter78]  \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],        %[qload3]                    \n\t" | 
 |           "sb               %[st2],       8(%[dst])                    \n\t" /* even 5 */ | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter12]  \n\t" /* even 7 */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter34]  \n\t" /* even 7 */ | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter56]  \n\t" /* even 7 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter78]  \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],          %[filter12]  \n\t" /* even 8 */ | 
 |           "dpa.w.ph         $ac2,         %[p4],          %[filter34]  \n\t" /* even 8 */ | 
 |           "sb               %[st3],       10(%[dst])                   \n\t" /* even 6 */ | 
 |           "dpa.w.ph         $ac2,         %[p1],          %[filter56]  \n\t" /* even 8 */ | 
 |           "dpa.w.ph         $ac2,         %[p5],          %[filter78]  \n\t" /* even 8 */ | 
 |           "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],       12(%[dst])                   \n\t" /* even 7 */ | 
 |           "ulw              %[qload3],    9(%[src])                    \n\t" | 
 |           "dpa.w.ph         $ac3,         %[p1],          %[filter12]  \n\t" /* odd 1 */ | 
 |           "dpa.w.ph         $ac3,         %[p2],          %[filter34]  \n\t" /* odd 1 */ | 
 |           "dpa.w.ph         $ac3,         %[p3],          %[filter56]  \n\t" /* odd 1 */ | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter78]  \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],        %[qload3]                    \n\t" | 
 |           "preceu.ph.qbl    %[p5],        %[qload3]                    \n\t" | 
 |           "sb               %[st2],       14(%[dst])                   \n\t" /* even 8 */ | 
 |           "ulw              %[qload1],    13(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter12]  \n\t" /* odd 2 */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter34]  \n\t" /* odd 2 */ | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter56]  \n\t" /* odd 2 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter78]  \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],       1(%[dst])                    \n\t" /* odd 1 */ | 
 |           "dpa.w.ph         $ac2,         %[p3],          %[filter12]  \n\t" /* odd 3 */ | 
 |           "dpa.w.ph         $ac2,         %[p4],          %[filter34]  \n\t" /* odd 3 */ | 
 |           "dpa.w.ph         $ac2,         %[p1],          %[filter56]  \n\t" /* odd 3 */ | 
 |           "dpa.w.ph         $ac2,         %[p5],          %[filter78]  \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],       3(%[dst])                    \n\t" /* odd 2 */ | 
 |           "ulw              %[qload2],    17(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter12]  \n\t" /* odd 4 */ | 
 |           "dpa.w.ph         $ac3,         %[p1],          %[filter34]  \n\t" /* odd 4 */ | 
 |           "dpa.w.ph         $ac3,         %[p5],          %[filter56]  \n\t" /* odd 4 */ | 
 |           "dpa.w.ph         $ac3,         %[p2],          %[filter78]  \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" | 
 |           "preceu.ph.qbr    %[p4],        %[qload2]                    \n\t" | 
 |           "sb               %[st2],       5(%[dst])                    \n\t" /* odd 3 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter12]  \n\t" /* odd 5 */ | 
 |           "dpa.w.ph         $ac1,         %[p5],          %[filter34]  \n\t" /* odd 5 */ | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter56]  \n\t" /* odd 5 */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter78]  \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" | 
 |           "preceu.ph.qbl    %[p1],        %[qload2]                    \n\t" | 
 |           "sb               %[st3],       7(%[dst])                    \n\t" /* odd 4 */ | 
 |           "ulw              %[qload3],    21(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac2,         %[p5],          %[filter12]  \n\t" /* odd 6 */ | 
 |           "dpa.w.ph         $ac2,         %[p2],          %[filter34]  \n\t" /* odd 6 */ | 
 |           "dpa.w.ph         $ac2,         %[p3],          %[filter56]  \n\t" /* odd 6 */ | 
 |           "dpa.w.ph         $ac2,         %[p4],          %[filter78]  \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],        %[qload3]                    \n\t" | 
 |           "sb               %[st1],       9(%[dst])                    \n\t" /* odd 5 */ | 
 |           "dpa.w.ph         $ac3,         %[p2],          %[filter12]  \n\t" /* odd 7 */ | 
 |           "dpa.w.ph         $ac3,         %[p3],          %[filter34]  \n\t" /* odd 7 */ | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter56]  \n\t" /* odd 7 */ | 
 |           "dpa.w.ph         $ac3,         %[p1],          %[filter78]  \n\t" /* odd 7 */ | 
 |           "extp             %[Temp3],     $ac3,           31           \n\t" /* odd 7 */ | 
 |  | 
 |           /* odd 8. pixel */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter12]  \n\t" /* odd 8 */ | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter34]  \n\t" /* odd 8 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter56]  \n\t" /* odd 8 */ | 
 |           "dpa.w.ph         $ac1,         %[p5],          %[filter78]  \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],       11(%[dst])                   \n\t" /* odd 6 */ | 
 |           "sb               %[st3],       13(%[dst])                   \n\t" /* odd 7 */ | 
 |           "sb               %[st1],       15(%[dst])                   \n\t" /* odd 8 */ | 
 |  | 
 |           : [qload1] "=&r"(qload1), [qload2] "=&r"(qload2), | 
 |             [qload3] "=&r"(qload3), [st1] "=&r"(st1), [st2] "=&r"(st2), | 
 |             [st3] "=&r"(st3), [p1] "=&r"(p1), [p2] "=&r"(p2), [p3] "=&r"(p3), | 
 |             [p4] "=&r"(p4), [p5] "=&r"(p5), [Temp1] "=&r"(Temp1), | 
 |             [Temp2] "=&r"(Temp2), [Temp3] "=&r"(Temp3) | 
 |           : [filter12] "r"(filter12), [filter34] "r"(filter34), | 
 |             [filter56] "r"(filter56), [filter78] "r"(filter78), | 
 |             [vector_64] "r"(vector_64), [cm] "r"(cm), [dst] "r"(dst), | 
 |             [src] "r"(src)); | 
 |  | 
 |       src += 16; | 
 |       dst += 16; | 
 |     } | 
 |  | 
 |     /* Next row... */ | 
 |     src_ptr += src_stride; | 
 |     dst_ptr += dst_stride; | 
 |   } | 
 | } | 
 |  | 
 | static void convolve_horiz_64_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 y, c; | 
 |   const uint8_t *src; | 
 |   uint8_t *dst; | 
 |   uint8_t *cm = aom_ff_cropTbl; | 
 |   uint32_t vector_64 = 64; | 
 |   int32_t filter12, filter34, filter56, filter78; | 
 |   int32_t Temp1, Temp2, Temp3; | 
 |   uint32_t qload1, qload2, qload3; | 
 |   uint32_t p1, p2, p3, p4, p5; | 
 |   uint32_t st1, st2, st3; | 
 |  | 
 |   filter12 = ((const int32_t *)filter_x0)[0]; | 
 |   filter34 = ((const int32_t *)filter_x0)[1]; | 
 |   filter56 = ((const int32_t *)filter_x0)[2]; | 
 |   filter78 = ((const int32_t *)filter_x0)[3]; | 
 |  | 
 |   for (y = h; y--;) { | 
 |     src = src_ptr; | 
 |     dst = dst_ptr; | 
 |  | 
 |     /* 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); | 
 |     prefetch_store(dst_ptr + dst_stride); | 
 |     prefetch_store(dst_ptr + dst_stride + 32); | 
 |  | 
 |     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              %[qload3],    8(%[src])                    \n\t" | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter12]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter34]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter56]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter78]  \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],        %[qload3]                    \n\t" | 
 |           "preceu.ph.qbl    %[p5],        %[qload3]                    \n\t" | 
 |           "ulw              %[qload1],    12(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac2,         %[p2],          %[filter12]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac2,         %[p3],          %[filter34]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac2,         %[p4],          %[filter56]  \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac2,         %[p1],          %[filter78]  \n\t" /* even 1 */ | 
 |           "extp             %[Temp2],     $ac2,           31           \n\t" /* even 1 */ | 
 |           "lbux             %[st1],       %[Temp1](%[cm])              \n\t" /* even 1 */ | 
 |  | 
 |           /* even 3. pixel */ | 
 |           "mtlo             %[vector_64], $ac1                         \n\t" /* even 4 */ | 
 |           "mthi             $zero,        $ac1                         \n\t" | 
 |           "preceu.ph.qbr    %[p2],        %[qload1]                    \n\t" | 
 |           "sb               %[st1],       0(%[dst])                    \n\t" /* even 1 */ | 
 |           "dpa.w.ph         $ac3,         %[p3],          %[filter12]  \n\t" /* even 3 */ | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter34]  \n\t" /* even 3 */ | 
 |           "dpa.w.ph         $ac3,         %[p1],          %[filter56]  \n\t" /* even 3 */ | 
 |           "dpa.w.ph         $ac3,         %[p5],          %[filter78]  \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],        %[qload1]                    \n\t" | 
 |           "sb               %[st2],       2(%[dst])                    \n\t" /* even 1 */ | 
 |           "ulw              %[qload2],    16(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter12]  \n\t" /* even 4 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter34]  \n\t" /* even 4 */ | 
 |           "dpa.w.ph         $ac1,         %[p5],          %[filter56]  \n\t" /* even 4 */ | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter78]  \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" | 
 |           "preceu.ph.qbr    %[p4],        %[qload2]                    \n\t" | 
 |           "sb               %[st3],       4(%[dst])                    \n\t" /* even 3 */ | 
 |           "dpa.w.ph         $ac2,         %[p1],          %[filter12]  \n\t" /* even 5 */ | 
 |           "dpa.w.ph         $ac2,         %[p5],          %[filter34]  \n\t" /* even 5 */ | 
 |           "dpa.w.ph         $ac2,         %[p2],          %[filter56]  \n\t" /* even 5 */ | 
 |           "dpa.w.ph         $ac2,         %[p3],          %[filter78]  \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" | 
 |           "preceu.ph.qbl    %[p1],        %[qload2]                    \n\t" | 
 |           "sb               %[st1],       6(%[dst])                    \n\t" /* even 4 */ | 
 |           "ulw              %[qload3],    20(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac3,         %[p5],          %[filter12]  \n\t" /* even 6 */ | 
 |           "dpa.w.ph         $ac3,         %[p2],          %[filter34]  \n\t" /* even 6 */ | 
 |           "dpa.w.ph         $ac3,         %[p3],          %[filter56]  \n\t" /* even 6 */ | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter78]  \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],        %[qload3]                    \n\t" | 
 |           "sb               %[st2],       8(%[dst])                    \n\t" /* even 5 */ | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter12]  \n\t" /* even 7 */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter34]  \n\t" /* even 7 */ | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter56]  \n\t" /* even 7 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter78]  \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],          %[filter12]  \n\t" /* even 8 */ | 
 |           "dpa.w.ph         $ac2,         %[p4],          %[filter34]  \n\t" /* even 8 */ | 
 |           "sb               %[st3],       10(%[dst])                   \n\t" /* even 6 */ | 
 |           "dpa.w.ph         $ac2,         %[p1],          %[filter56]  \n\t" /* even 8 */ | 
 |           "dpa.w.ph         $ac2,         %[p5],          %[filter78]  \n\t" /* even 8 */ | 
 |           "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],       12(%[dst])                   \n\t" /* even 7 */ | 
 |           "ulw              %[qload3],    9(%[src])                    \n\t" | 
 |           "dpa.w.ph         $ac3,         %[p1],          %[filter12]  \n\t" /* odd 1 */ | 
 |           "dpa.w.ph         $ac3,         %[p2],          %[filter34]  \n\t" /* odd 1 */ | 
 |           "dpa.w.ph         $ac3,         %[p3],          %[filter56]  \n\t" /* odd 1 */ | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter78]  \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],        %[qload3]                    \n\t" | 
 |           "preceu.ph.qbl    %[p5],        %[qload3]                    \n\t" | 
 |           "sb               %[st2],       14(%[dst])                   \n\t" /* even 8 */ | 
 |           "ulw              %[qload1],    13(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter12]  \n\t" /* odd 2 */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter34]  \n\t" /* odd 2 */ | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter56]  \n\t" /* odd 2 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter78]  \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],       1(%[dst])                    \n\t" /* odd 1 */ | 
 |           "dpa.w.ph         $ac2,         %[p3],          %[filter12]  \n\t" /* odd 3 */ | 
 |           "dpa.w.ph         $ac2,         %[p4],          %[filter34]  \n\t" /* odd 3 */ | 
 |           "dpa.w.ph         $ac2,         %[p1],          %[filter56]  \n\t" /* odd 3 */ | 
 |           "dpa.w.ph         $ac2,         %[p5],          %[filter78]  \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],       3(%[dst])                    \n\t" /* odd 2 */ | 
 |           "ulw              %[qload2],    17(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter12]  \n\t" /* odd 4 */ | 
 |           "dpa.w.ph         $ac3,         %[p1],          %[filter34]  \n\t" /* odd 4 */ | 
 |           "dpa.w.ph         $ac3,         %[p5],          %[filter56]  \n\t" /* odd 4 */ | 
 |           "dpa.w.ph         $ac3,         %[p2],          %[filter78]  \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" | 
 |           "preceu.ph.qbr    %[p4],        %[qload2]                    \n\t" | 
 |           "sb               %[st2],       5(%[dst])                    \n\t" /* odd 3 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter12]  \n\t" /* odd 5 */ | 
 |           "dpa.w.ph         $ac1,         %[p5],          %[filter34]  \n\t" /* odd 5 */ | 
 |           "dpa.w.ph         $ac1,         %[p2],          %[filter56]  \n\t" /* odd 5 */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter78]  \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" | 
 |           "preceu.ph.qbl    %[p1],        %[qload2]                    \n\t" | 
 |           "sb               %[st3],       7(%[dst])                    \n\t" /* odd 4 */ | 
 |           "ulw              %[qload3],    21(%[src])                   \n\t" | 
 |           "dpa.w.ph         $ac2,         %[p5],          %[filter12]  \n\t" /* odd 6 */ | 
 |           "dpa.w.ph         $ac2,         %[p2],          %[filter34]  \n\t" /* odd 6 */ | 
 |           "dpa.w.ph         $ac2,         %[p3],          %[filter56]  \n\t" /* odd 6 */ | 
 |           "dpa.w.ph         $ac2,         %[p4],          %[filter78]  \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],        %[qload3]                    \n\t" | 
 |           "sb               %[st1],       9(%[dst])                    \n\t" /* odd 5 */ | 
 |           "dpa.w.ph         $ac3,         %[p2],          %[filter12]  \n\t" /* odd 7 */ | 
 |           "dpa.w.ph         $ac3,         %[p3],          %[filter34]  \n\t" /* odd 7 */ | 
 |           "dpa.w.ph         $ac3,         %[p4],          %[filter56]  \n\t" /* odd 7 */ | 
 |           "dpa.w.ph         $ac3,         %[p1],          %[filter78]  \n\t" /* odd 7 */ | 
 |           "extp             %[Temp3],     $ac3,           31           \n\t" /* odd 7 */ | 
 |  | 
 |           /* odd 8. pixel */ | 
 |           "dpa.w.ph         $ac1,         %[p3],          %[filter12]  \n\t" /* odd 8 */ | 
 |           "dpa.w.ph         $ac1,         %[p4],          %[filter34]  \n\t" /* odd 8 */ | 
 |           "dpa.w.ph         $ac1,         %[p1],          %[filter56]  \n\t" /* odd 8 */ | 
 |           "dpa.w.ph         $ac1,         %[p5],          %[filter78]  \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],       11(%[dst])                   \n\t" /* odd 6 */ | 
 |           "sb               %[st3],       13(%[dst])                   \n\t" /* odd 7 */ | 
 |           "sb               %[st1],       15(%[dst])                   \n\t" /* odd 8 */ | 
 |  | 
 |           : [qload1] "=&r"(qload1), [qload2] "=&r"(qload2), | 
 |             [qload3] "=&r"(qload3), [st1] "=&r"(st1), [st2] "=&r"(st2), | 
 |             [st3] "=&r"(st3), [p1] "=&r"(p1), [p2] "=&r"(p2), [p3] "=&r"(p3), | 
 |             [p4] "=&r"(p4), [p5] "=&r"(p5), [Temp1] "=&r"(Temp1), | 
 |             [Temp2] "=&r"(Temp2), [Temp3] "=&r"(Temp3) | 
 |           : [filter12] "r"(filter12), [filter34] "r"(filter34), | 
 |             [filter56] "r"(filter56), [filter78] "r"(filter78), | 
 |             [vector_64] "r"(vector_64), [cm] "r"(cm), [dst] "r"(dst), | 
 |             [src] "r"(src)); | 
 |  | 
 |       src += 16; | 
 |       dst += 16; | 
 |     } | 
 |  | 
 |     /* Next row... */ | 
 |     src_ptr += src_stride; | 
 |     dst_ptr += dst_stride; | 
 |   } | 
 | } | 
 |  | 
 | void aom_convolve8_horiz_dspr2(const uint8_t *src, ptrdiff_t src_stride, | 
 |                                uint8_t *dst, ptrdiff_t dst_stride, | 
 |                                const int16_t *filter_x, int x_step_q4, | 
 |                                const int16_t *filter_y, int y_step_q4, int w, | 
 |                                int h) { | 
 |   assert(x_step_q4 == 16); | 
 |   assert(((const int32_t *)filter_x)[1] != 0x800000); | 
 |  | 
 |   if (((const int32_t *)filter_x)[0] == 0) { | 
 |     aom_convolve2_horiz_dspr2(src, src_stride, dst, dst_stride, filter_x, | 
 |                               x_step_q4, filter_y, y_step_q4, w, h); | 
 |   } else { | 
 |     uint32_t pos = 38; | 
 |  | 
 |     prefetch_load((const uint8_t *)filter_x); | 
 |     src -= 3; | 
 |  | 
 |     /* 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); | 
 |     prefetch_store(dst); | 
 |  | 
 |     switch (w) { | 
 |       case 4: | 
 |         convolve_horiz_4_dspr2(src, (int32_t)src_stride, dst, | 
 |                                (int32_t)dst_stride, filter_x, (int32_t)h); | 
 |         break; | 
 |       case 8: | 
 |         convolve_horiz_8_dspr2(src, (int32_t)src_stride, dst, | 
 |                                (int32_t)dst_stride, filter_x, (int32_t)h); | 
 |         break; | 
 |       case 16: | 
 |         convolve_horiz_16_dspr2(src, (int32_t)src_stride, dst, | 
 |                                 (int32_t)dst_stride, filter_x, (int32_t)h, 1); | 
 |         break; | 
 |       case 32: | 
 |         convolve_horiz_16_dspr2(src, (int32_t)src_stride, dst, | 
 |                                 (int32_t)dst_stride, filter_x, (int32_t)h, 2); | 
 |         break; | 
 |       case 64: | 
 |         prefetch_load(src + 64); | 
 |         prefetch_store(dst + 32); | 
 |  | 
 |         convolve_horiz_64_dspr2(src, (int32_t)src_stride, dst, | 
 |                                 (int32_t)dst_stride, filter_x, (int32_t)h); | 
 |         break; | 
 |       default: | 
 |         aom_convolve8_horiz_c(src + 3, src_stride, dst, dst_stride, filter_x, | 
 |                               x_step_q4, filter_y, y_step_q4, w, h); | 
 |         break; | 
 |     } | 
 |   } | 
 | } | 
 | #endif |