libpostproc/postprocess_altivec_template.c
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 /*
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  * AltiVec optimizations (C) 2004 Romain Dolbeau <romain@dolbeau.org>
  *
  * based on code by Copyright (C) 2001-2003 Michael Niedermayer (michaelni@gmx.at)
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
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 #include "libavutil/avutil.h"
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 #define ALTIVEC_TRANSPOSE_8x8_SHORT(src_a,src_b,src_c,src_d,src_e,src_f,src_g,src_h) \
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     do {                                                          \
         __typeof__(src_a) tempA1, tempB1, tempC1, tempD1;         \
         __typeof__(src_a) tempE1, tempF1, tempG1, tempH1;         \
         __typeof__(src_a) tempA2, tempB2, tempC2, tempD2;         \
         __typeof__(src_a) tempE2, tempF2, tempG2, tempH2;         \
         tempA1 = vec_mergeh (src_a, src_e);                       \
         tempB1 = vec_mergel (src_a, src_e);                       \
         tempC1 = vec_mergeh (src_b, src_f);                       \
         tempD1 = vec_mergel (src_b, src_f);                       \
         tempE1 = vec_mergeh (src_c, src_g);                       \
         tempF1 = vec_mergel (src_c, src_g);                       \
         tempG1 = vec_mergeh (src_d, src_h);                       \
         tempH1 = vec_mergel (src_d, src_h);                       \
         tempA2 = vec_mergeh (tempA1, tempE1);                     \
         tempB2 = vec_mergel (tempA1, tempE1);                     \
         tempC2 = vec_mergeh (tempB1, tempF1);                     \
         tempD2 = vec_mergel (tempB1, tempF1);                     \
         tempE2 = vec_mergeh (tempC1, tempG1);                     \
         tempF2 = vec_mergel (tempC1, tempG1);                     \
         tempG2 = vec_mergeh (tempD1, tempH1);                     \
         tempH2 = vec_mergel (tempD1, tempH1);                     \
         src_a = vec_mergeh (tempA2, tempE2);                      \
         src_b = vec_mergel (tempA2, tempE2);                      \
         src_c = vec_mergeh (tempB2, tempF2);                      \
         src_d = vec_mergel (tempB2, tempF2);                      \
         src_e = vec_mergeh (tempC2, tempG2);                      \
         src_f = vec_mergel (tempC2, tempG2);                      \
         src_g = vec_mergeh (tempD2, tempH2);                      \
         src_h = vec_mergel (tempD2, tempH2);                      \
     } while (0)
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 static inline int vertClassify_altivec(uint8_t src[], int stride, PPContext *c) {
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     /*
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     this code makes no assumption on src or stride.
     One could remove the recomputation of the perm
     vector by assuming (stride % 16) == 0, unfortunately
     this is not always true.
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     */
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     short data_0 = ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
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     DECLARE_ALIGNED(16, short, data)[8] =
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                     {
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                         data_0,
                         data_0 * 2 + 1,
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                         c->QP * 2,
                         c->QP * 4
                     };
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     int numEq;
     uint8_t *src2 = src;
     vector signed short v_dcOffset;
     vector signed short v2QP;
     vector unsigned short v4QP;
     vector unsigned short v_dcThreshold;
     const int properStride = (stride % 16);
     const int srcAlign = ((unsigned long)src2 % 16);
     const int two_vectors = ((srcAlign > 8) || properStride) ? 1 : 0;
     const vector signed int zero = vec_splat_s32(0);
     const vector signed short mask = vec_splat_s16(1);
     vector signed int v_numEq = vec_splat_s32(0);
     vector signed short v_data = vec_ld(0, data);
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     vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3,
                         v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7;
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 //FIXME avoid this mess if possible
     register int j0 = 0,
                  j1 = stride,
                  j2 = 2 * stride,
                  j3 = 3 * stride,
                  j4 = 4 * stride,
                  j5 = 5 * stride,
                  j6 = 6 * stride,
                  j7 = 7 * stride;
     vector unsigned char v_srcA0, v_srcA1, v_srcA2, v_srcA3,
                          v_srcA4, v_srcA5, v_srcA6, v_srcA7;
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     v_dcOffset = vec_splat(v_data, 0);
     v_dcThreshold = (vector unsigned short)vec_splat(v_data, 1);
     v2QP = vec_splat(v_data, 2);
     v4QP = (vector unsigned short)vec_splat(v_data, 3);
 
     src2 += stride * 4;
 
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 #define LOAD_LINE(i)                                                    \
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     {                                                                   \
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     vector unsigned char perm##i = vec_lvsl(j##i, src2);                \
     vector unsigned char v_srcA2##i;                                    \
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     vector unsigned char v_srcA1##i = vec_ld(j##i, src2);               \
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     if (two_vectors)                                                    \
         v_srcA2##i = vec_ld(j##i + 16, src2);                           \
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     v_srcA##i =                                                         \
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         vec_perm(v_srcA1##i, v_srcA2##i, perm##i);                      \
     v_srcAss##i =                                                       \
         (vector signed short)vec_mergeh((vector signed char)zero,       \
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                                         (vector signed char)v_srcA##i); }
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 #define LOAD_LINE_ALIGNED(i)                                            \
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     v_srcA##i = vec_ld(j##i, src2);                                     \
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     v_srcAss##i =                                                       \
         (vector signed short)vec_mergeh((vector signed char)zero,       \
                                         (vector signed char)v_srcA##i)
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     /* Special-casing the aligned case is worthwhile, as all calls from
      * the (transposed) horizontable deblocks will be aligned, in addition
      * to the naturally aligned vertical deblocks. */
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     if (properStride && srcAlign) {
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         LOAD_LINE_ALIGNED(0);
         LOAD_LINE_ALIGNED(1);
         LOAD_LINE_ALIGNED(2);
         LOAD_LINE_ALIGNED(3);
         LOAD_LINE_ALIGNED(4);
         LOAD_LINE_ALIGNED(5);
         LOAD_LINE_ALIGNED(6);
         LOAD_LINE_ALIGNED(7);
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     } else {
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         LOAD_LINE(0);
         LOAD_LINE(1);
         LOAD_LINE(2);
         LOAD_LINE(3);
         LOAD_LINE(4);
         LOAD_LINE(5);
         LOAD_LINE(6);
         LOAD_LINE(7);
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     }
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 #undef LOAD_LINE
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 #undef LOAD_LINE_ALIGNED
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 #define ITER(i, j)                                                      \
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     const vector signed short v_diff##i =                               \
         vec_sub(v_srcAss##i, v_srcAss##j);                              \
     const vector signed short v_sum##i =                                \
         vec_add(v_diff##i, v_dcOffset);                                 \
     const vector signed short v_comp##i =                               \
         (vector signed short)vec_cmplt((vector unsigned short)v_sum##i, \
                                        v_dcThreshold);                  \
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     const vector signed short v_part##i = vec_and(mask, v_comp##i);
 
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     {
         ITER(0, 1)
         ITER(1, 2)
         ITER(2, 3)
         ITER(3, 4)
         ITER(4, 5)
         ITER(5, 6)
         ITER(6, 7)
 
         v_numEq = vec_sum4s(v_part0, v_numEq);
         v_numEq = vec_sum4s(v_part1, v_numEq);
         v_numEq = vec_sum4s(v_part2, v_numEq);
         v_numEq = vec_sum4s(v_part3, v_numEq);
         v_numEq = vec_sum4s(v_part4, v_numEq);
         v_numEq = vec_sum4s(v_part5, v_numEq);
         v_numEq = vec_sum4s(v_part6, v_numEq);
     }
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 #undef ITER
 
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     v_numEq = vec_sums(v_numEq, zero);
 
     v_numEq = vec_splat(v_numEq, 3);
     vec_ste(v_numEq, 0, &numEq);
 
     if (numEq > c->ppMode.flatnessThreshold){
         const vector unsigned char mmoP1 = (const vector unsigned char)
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             {0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
              0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B};
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         const vector unsigned char mmoP2 = (const vector unsigned char)
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             {0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F,
              0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f};
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         const vector unsigned char mmoP = (const vector unsigned char)
             vec_lvsl(8, (unsigned char*)0);
 
         vector signed short mmoL1 = vec_perm(v_srcAss0, v_srcAss2, mmoP1);
         vector signed short mmoL2 = vec_perm(v_srcAss4, v_srcAss6, mmoP2);
         vector signed short mmoL = vec_perm(mmoL1, mmoL2, mmoP);
         vector signed short mmoR1 = vec_perm(v_srcAss5, v_srcAss7, mmoP1);
         vector signed short mmoR2 = vec_perm(v_srcAss1, v_srcAss3, mmoP2);
         vector signed short mmoR = vec_perm(mmoR1, mmoR2, mmoP);
         vector signed short mmoDiff = vec_sub(mmoL, mmoR);
         vector unsigned short mmoSum = (vector unsigned short)vec_add(mmoDiff, v2QP);
 
         if (vec_any_gt(mmoSum, v4QP))
             return 0;
         else
             return 1;
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     }
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     else return 2;
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 }
 
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 static inline void doVertLowPass_altivec(uint8_t *src, int stride, PPContext *c) {
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     /*
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     this code makes no assumption on src or stride.
     One could remove the recomputation of the perm
     vector by assuming (stride % 16) == 0, unfortunately
     this is not always true. Quite a lot of load/stores
52b541ad
     can be removed by assuming proper alignment of
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     src & stride :-(
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     */
     uint8_t *src2 = src;
     const vector signed int zero = vec_splat_s32(0);
     const int properStride = (stride % 16);
     const int srcAlign = ((unsigned long)src2 % 16);
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     DECLARE_ALIGNED(16, short, qp)[8] = {c->QP};
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     vector signed short vqp = vec_ld(0, qp);
     vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9;
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     vector unsigned char vbA0, av_uninit(vbA1), av_uninit(vbA2), av_uninit(vbA3), av_uninit(vbA4), av_uninit(vbA5), av_uninit(vbA6), av_uninit(vbA7), av_uninit(vbA8), vbA9;
     vector unsigned char vbB0, av_uninit(vbB1), av_uninit(vbB2), av_uninit(vbB3), av_uninit(vbB4), av_uninit(vbB5), av_uninit(vbB6), av_uninit(vbB7), av_uninit(vbB8), vbB9;
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     vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7, vbT8, vbT9;
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     vector unsigned char perml0, perml1, perml2, perml3, perml4,
                          perml5, perml6, perml7, perml8, perml9;
     register int j0 = 0,
                  j1 = stride,
                  j2 = 2 * stride,
                  j3 = 3 * stride,
                  j4 = 4 * stride,
                  j5 = 5 * stride,
                  j6 = 6 * stride,
                  j7 = 7 * stride,
                  j8 = 8 * stride,
                  j9 = 9 * stride;
 
     vqp = vec_splat(vqp, 0);
 
     src2 += stride*3;
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 #define LOAD_LINE(i)                                                    \
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     perml##i = vec_lvsl(i * stride, src2);                              \
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     vbA##i = vec_ld(i * stride, src2);                                  \
     vbB##i = vec_ld(i * stride + 16, src2);                             \
     vbT##i = vec_perm(vbA##i, vbB##i, perml##i);                        \
     vb##i =                                                             \
         (vector signed short)vec_mergeh((vector unsigned char)zero,     \
                                         (vector unsigned char)vbT##i)
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 #define LOAD_LINE_ALIGNED(i)                                            \
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     vbT##i = vec_ld(j##i, src2);                                        \
     vb##i =                                                             \
         (vector signed short)vec_mergeh((vector signed char)zero,       \
                                         (vector signed char)vbT##i)
 
       /* Special-casing the aligned case is worthwhile, as all calls from
        * the (transposed) horizontable deblocks will be aligned, in addition
        * to the naturally aligned vertical deblocks. */
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     if (properStride && srcAlign) {
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           LOAD_LINE_ALIGNED(0);
           LOAD_LINE_ALIGNED(1);
           LOAD_LINE_ALIGNED(2);
           LOAD_LINE_ALIGNED(3);
           LOAD_LINE_ALIGNED(4);
           LOAD_LINE_ALIGNED(5);
           LOAD_LINE_ALIGNED(6);
           LOAD_LINE_ALIGNED(7);
           LOAD_LINE_ALIGNED(8);
           LOAD_LINE_ALIGNED(9);
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     } else {
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           LOAD_LINE(0);
           LOAD_LINE(1);
           LOAD_LINE(2);
           LOAD_LINE(3);
           LOAD_LINE(4);
           LOAD_LINE(5);
           LOAD_LINE(6);
           LOAD_LINE(7);
           LOAD_LINE(8);
           LOAD_LINE(9);
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     }
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 #undef LOAD_LINE
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 #undef LOAD_LINE_ALIGNED
838cc9c8
     {
         const vector unsigned short v_2 = vec_splat_u16(2);
         const vector unsigned short v_4 = vec_splat_u16(4);
 
         const vector signed short v_diff01 = vec_sub(vb0, vb1);
         const vector unsigned short v_cmp01 =
             (const vector unsigned short) vec_cmplt(vec_abs(v_diff01), vqp);
         const vector signed short v_first = vec_sel(vb1, vb0, v_cmp01);
         const vector signed short v_diff89 = vec_sub(vb8, vb9);
         const vector unsigned short v_cmp89 =
             (const vector unsigned short) vec_cmplt(vec_abs(v_diff89), vqp);
         const vector signed short v_last = vec_sel(vb8, vb9, v_cmp89);
 
         const vector signed short temp01 = vec_mladd(v_first, (vector signed short)v_4, vb1);
         const vector signed short temp02 = vec_add(vb2, vb3);
         const vector signed short temp03 = vec_add(temp01, (vector signed short)v_4);
         const vector signed short v_sumsB0 = vec_add(temp02, temp03);
 
         const vector signed short temp11 = vec_sub(v_sumsB0, v_first);
         const vector signed short v_sumsB1 = vec_add(temp11, vb4);
 
         const vector signed short temp21 = vec_sub(v_sumsB1, v_first);
         const vector signed short v_sumsB2 = vec_add(temp21, vb5);
 
         const vector signed short temp31 = vec_sub(v_sumsB2, v_first);
         const vector signed short v_sumsB3 = vec_add(temp31, vb6);
 
         const vector signed short temp41 = vec_sub(v_sumsB3, v_first);
         const vector signed short v_sumsB4 = vec_add(temp41, vb7);
 
         const vector signed short temp51 = vec_sub(v_sumsB4, vb1);
         const vector signed short v_sumsB5 = vec_add(temp51, vb8);
 
         const vector signed short temp61 = vec_sub(v_sumsB5, vb2);
         const vector signed short v_sumsB6 = vec_add(temp61, v_last);
 
         const vector signed short temp71 = vec_sub(v_sumsB6, vb3);
         const vector signed short v_sumsB7 = vec_add(temp71, v_last);
 
         const vector signed short temp81 = vec_sub(v_sumsB7, vb4);
         const vector signed short v_sumsB8 = vec_add(temp81, v_last);
 
         const vector signed short temp91 = vec_sub(v_sumsB8, vb5);
         const vector signed short v_sumsB9 = vec_add(temp91, v_last);
 
     #define COMPUTE_VR(i, j, k)                                             \
         const vector signed short temps1##i =                               \
             vec_add(v_sumsB##i, v_sumsB##k);                                \
         const vector signed short temps2##i =                               \
             vec_mladd(vb##j, (vector signed short)v_2, temps1##i);          \
         const vector signed short  vr##j = vec_sra(temps2##i, v_4)
 
         COMPUTE_VR(0, 1, 2);
         COMPUTE_VR(1, 2, 3);
         COMPUTE_VR(2, 3, 4);
         COMPUTE_VR(3, 4, 5);
         COMPUTE_VR(4, 5, 6);
         COMPUTE_VR(5, 6, 7);
         COMPUTE_VR(6, 7, 8);
         COMPUTE_VR(7, 8, 9);
 
         const vector signed char neg1 = vec_splat_s8(-1);
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         const vector unsigned char permHH = (const vector unsigned char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                                                                          0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F};
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 #define PACK_AND_STORE(i)                                       \
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 {   const vector unsigned char perms##i =                       \
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         vec_lvsr(i * stride, src2);                             \
     const vector unsigned char vf##i =                          \
         vec_packsu(vr##i, (vector signed short)zero);           \
     const vector unsigned char vg##i =                          \
         vec_perm(vf##i, vbT##i, permHH);                        \
     const vector unsigned char mask##i =                        \
         vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
     const vector unsigned char vg2##i =                         \
         vec_perm(vg##i, vg##i, perms##i);                       \
     const vector unsigned char svA##i =                         \
         vec_sel(vbA##i, vg2##i, mask##i);                       \
     const vector unsigned char svB##i =                         \
         vec_sel(vg2##i, vbB##i, mask##i);                       \
     vec_st(svA##i, i * stride, src2);                           \
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     vec_st(svB##i, i * stride + 16, src2);}
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 #define PACK_AND_STORE_ALIGNED(i)                               \
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 {   const vector unsigned char vf##i =                          \
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         vec_packsu(vr##i, (vector signed short)zero);           \
     const vector unsigned char vg##i =                          \
         vec_perm(vf##i, vbT##i, permHH);                        \
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     vec_st(vg##i, i * stride, src2);}
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         /* Special-casing the aligned case is worthwhile, as all calls from
          * the (transposed) horizontable deblocks will be aligned, in addition
          * to the naturally aligned vertical deblocks. */
         if (properStride && srcAlign) {
             PACK_AND_STORE_ALIGNED(1)
             PACK_AND_STORE_ALIGNED(2)
             PACK_AND_STORE_ALIGNED(3)
             PACK_AND_STORE_ALIGNED(4)
             PACK_AND_STORE_ALIGNED(5)
             PACK_AND_STORE_ALIGNED(6)
             PACK_AND_STORE_ALIGNED(7)
             PACK_AND_STORE_ALIGNED(8)
         } else {
             PACK_AND_STORE(1)
             PACK_AND_STORE(2)
             PACK_AND_STORE(3)
             PACK_AND_STORE(4)
             PACK_AND_STORE(5)
             PACK_AND_STORE(6)
             PACK_AND_STORE(7)
             PACK_AND_STORE(8)
         }
     #undef PACK_AND_STORE
     #undef PACK_AND_STORE_ALIGNED
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     }
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 }
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 static inline void doVertDefFilter_altivec(uint8_t src[], int stride, PPContext *c) {
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     /*
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     this code makes no assumption on src or stride.
     One could remove the recomputation of the perm
     vector by assuming (stride % 16) == 0, unfortunately
     this is not always true. Quite a lot of load/stores
52b541ad
     can be removed by assuming proper alignment of
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     src & stride :-(
16e0bf73
     */
72139260
     uint8_t *src2 = src + stride*3;
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     const vector signed int zero = vec_splat_s32(0);
c6727809
     DECLARE_ALIGNED(16, short, qp)[8] = {8*c->QP};
72139260
     vector signed short vqp = vec_splat(
                                 (vector signed short)vec_ld(0, qp), 0);
b0ac780a
 
 #define LOAD_LINE(i)                                                    \
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     const vector unsigned char perm##i =                                \
         vec_lvsl(i * stride, src2);                                     \
     const vector unsigned char vbA##i =                                 \
         vec_ld(i * stride, src2);                                       \
     const vector unsigned char vbB##i =                                 \
         vec_ld(i * stride + 16, src2);                                  \
     const vector unsigned char vbT##i =                                 \
         vec_perm(vbA##i, vbB##i, perm##i);                              \
     const vector signed short vb##i =                                   \
         (vector signed short)vec_mergeh((vector unsigned char)zero,     \
                                         (vector unsigned char)vbT##i)
 
      LOAD_LINE(1);
      LOAD_LINE(2);
      LOAD_LINE(3);
      LOAD_LINE(4);
      LOAD_LINE(5);
      LOAD_LINE(6);
      LOAD_LINE(7);
      LOAD_LINE(8);
b0ac780a
 #undef LOAD_LINE
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16e0bf73
      const vector signed short v_1 = vec_splat_s16(1);
      const vector signed short v_2 = vec_splat_s16(2);
      const vector signed short v_5 = vec_splat_s16(5);
      const vector signed short v_32 = vec_sl(v_1,
                                              (vector unsigned short)v_5);
      /* middle energy */
      const vector signed short l3minusl6 = vec_sub(vb3, vb6);
      const vector signed short l5minusl4 = vec_sub(vb5, vb4);
      const vector signed short twotimes_l3minusl6 = vec_mladd(v_2, l3minusl6, (vector signed short)zero);
      const vector signed short mE = vec_mladd(v_5, l5minusl4, twotimes_l3minusl6);
      const vector signed short absmE = vec_abs(mE);
      /* left & right energy */
      const vector signed short l1minusl4 = vec_sub(vb1, vb4);
      const vector signed short l3minusl2 = vec_sub(vb3, vb2);
      const vector signed short l5minusl8 = vec_sub(vb5, vb8);
      const vector signed short l7minusl6 = vec_sub(vb7, vb6);
      const vector signed short twotimes_l1minusl4 = vec_mladd(v_2, l1minusl4, (vector signed short)zero);
      const vector signed short twotimes_l5minusl8 = vec_mladd(v_2, l5minusl8, (vector signed short)zero);
      const vector signed short lE = vec_mladd(v_5, l3minusl2, twotimes_l1minusl4);
      const vector signed short rE = vec_mladd(v_5, l7minusl6, twotimes_l5minusl8);
      /* d */
      const vector signed short ddiff = vec_sub(absmE,
                                                vec_min(vec_abs(lE),
                                                        vec_abs(rE)));
      const vector signed short ddiffclamp = vec_max(ddiff, (vector signed short)zero);
      const vector signed short dtimes64 = vec_mladd(v_5, ddiffclamp, v_32);
      const vector signed short d = vec_sra(dtimes64, vec_splat_u16(6));
      const vector signed short minusd = vec_sub((vector signed short)zero, d);
      const vector signed short finald = vec_sel(minusd,
                                                 d,
                                                 vec_cmpgt(vec_sub((vector signed short)zero, mE),
                                                           (vector signed short)zero));
      /* q */
      const vector signed short qtimes2 = vec_sub(vb4, vb5);
      /* for a shift right to behave like /2, we need to add one
         to all negative integer */
      const vector signed short rounddown = vec_sel((vector signed short)zero,
                                                    v_1,
                                                    vec_cmplt(qtimes2, (vector signed short)zero));
      const vector signed short q = vec_sra(vec_add(qtimes2, rounddown), vec_splat_u16(1));
      /* clamp */
      const vector signed short dclamp_P1 = vec_max((vector signed short)zero, finald);
      const vector signed short dclamp_P = vec_min(dclamp_P1, q);
      const vector signed short dclamp_N1 = vec_min((vector signed short)zero, finald);
      const vector signed short dclamp_N = vec_max(dclamp_N1, q);
 
      const vector signed short dclampedfinal = vec_sel(dclamp_N,
                                                        dclamp_P,
                                                        vec_cmpgt(q, (vector signed short)zero));
      const vector signed short dornotd = vec_sel((vector signed short)zero,
                                                  dclampedfinal,
                                                  vec_cmplt(absmE, vqp));
      /* add/subtract to l4 and l5 */
      const vector signed short vb4minusd = vec_sub(vb4, dornotd);
      const vector signed short vb5plusd  = vec_add(vb5, dornotd);
      /* finally, stores */
      const vector unsigned char st4 = vec_packsu(vb4minusd, (vector signed short)zero);
      const vector unsigned char st5 = vec_packsu(vb5plusd,  (vector signed short)zero);
 
      const vector signed char neg1 = vec_splat_s8(-1);
80a61f08
      const vector unsigned char permHH = (const vector unsigned char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                                                                       0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F};
bb270c08
 
 #define STORE(i)                                                \
2f770701
 {    const vector unsigned char perms##i =                      \
16e0bf73
          vec_lvsr(i * stride, src2);                            \
      const vector unsigned char vg##i =                         \
          vec_perm(st##i, vbT##i, permHH);                       \
      const vector unsigned char mask##i =                       \
          vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
      const vector unsigned char vg2##i =                        \
          vec_perm(vg##i, vg##i, perms##i);                      \
      const vector unsigned char svA##i =                        \
          vec_sel(vbA##i, vg2##i, mask##i);                      \
      const vector unsigned char svB##i =                        \
          vec_sel(vg2##i, vbB##i, mask##i);                      \
      vec_st(svA##i, i * stride, src2);                          \
72139260
      vec_st(svB##i, i * stride + 16, src2);}
16e0bf73
 
72139260
      STORE(4)
      STORE(5)
b0ac780a
 }
 
 static inline void dering_altivec(uint8_t src[], int stride, PPContext *c) {
16e0bf73
     /*
b0ac780a
     this code makes no assumption on src or stride.
     One could remove the recomputation of the perm
     vector by assuming (stride % 16) == 0, unfortunately
     this is not always true. Quite a lot of load/stores
52b541ad
     can be removed by assuming proper alignment of
b0ac780a
     src & stride :-(
16e0bf73
     */
     uint8_t *srcCopy = src;
c6727809
     DECLARE_ALIGNED(16, uint8_t, dt)[16];
16e0bf73
     const vector signed int zero = vec_splat_s32(0);
     vector unsigned char v_dt;
     dt[0] = deringThreshold;
     v_dt = vec_splat(vec_ld(0, dt), 0);
b0ac780a
 
2f770701
 #define LOAD_LINE(i)                                                  \
     const vector unsigned char perm##i =                              \
         vec_lvsl(i * stride, srcCopy);                                \
     vector unsigned char sA##i = vec_ld(i * stride, srcCopy);         \
     vector unsigned char sB##i = vec_ld(i * stride + 16, srcCopy);    \
16e0bf73
     vector unsigned char src##i = vec_perm(sA##i, sB##i, perm##i)
 
     LOAD_LINE(0);
     LOAD_LINE(1);
     LOAD_LINE(2);
     LOAD_LINE(3);
     LOAD_LINE(4);
     LOAD_LINE(5);
     LOAD_LINE(6);
     LOAD_LINE(7);
     LOAD_LINE(8);
     LOAD_LINE(9);
b0ac780a
 #undef LOAD_LINE
 
16e0bf73
     vector unsigned char v_avg;
     {
b0ac780a
     const vector unsigned char trunc_perm = (vector unsigned char)
80a61f08
         {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
          0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18};
b0ac780a
     const vector unsigned char trunc_src12 = vec_perm(src1, src2, trunc_perm);
     const vector unsigned char trunc_src34 = vec_perm(src3, src4, trunc_perm);
     const vector unsigned char trunc_src56 = vec_perm(src5, src6, trunc_perm);
     const vector unsigned char trunc_src78 = vec_perm(src7, src8, trunc_perm);
115329f1
 
bb270c08
 #define EXTRACT(op) do {                                                \
16e0bf73
     const vector unsigned char s##op##_1   = vec_##op(trunc_src12, trunc_src34); \
     const vector unsigned char s##op##_2   = vec_##op(trunc_src56, trunc_src78); \
     const vector unsigned char s##op##_6   = vec_##op(s##op##_1, s##op##_2);     \
     const vector unsigned char s##op##_8h  = vec_mergeh(s##op##_6, s##op##_6);   \
     const vector unsigned char s##op##_8l  = vec_mergel(s##op##_6, s##op##_6);   \
     const vector unsigned char s##op##_9   = vec_##op(s##op##_8h, s##op##_8l);   \
     const vector unsigned char s##op##_9h  = vec_mergeh(s##op##_9, s##op##_9);   \
     const vector unsigned char s##op##_9l  = vec_mergel(s##op##_9, s##op##_9);   \
     const vector unsigned char s##op##_10  = vec_##op(s##op##_9h, s##op##_9l);   \
     const vector unsigned char s##op##_10h = vec_mergeh(s##op##_10, s##op##_10); \
     const vector unsigned char s##op##_10l = vec_mergel(s##op##_10, s##op##_10); \
     const vector unsigned char s##op##_11  = vec_##op(s##op##_10h, s##op##_10l); \
     const vector unsigned char s##op##_11h = vec_mergeh(s##op##_11, s##op##_11); \
     const vector unsigned char s##op##_11l = vec_mergel(s##op##_11, s##op##_11); \
     v_##op = vec_##op(s##op##_11h, s##op##_11l); } while (0)
115329f1
 
b0ac780a
     vector unsigned char v_min;
     vector unsigned char v_max;
     EXTRACT(min);
     EXTRACT(max);
 #undef EXTRACT
115329f1
 
b0ac780a
     if (vec_all_lt(vec_sub(v_max, v_min), v_dt))
16e0bf73
         return;
115329f1
 
b0ac780a
     v_avg = vec_avg(v_min, v_max);
16e0bf73
     }
115329f1
 
c6727809
     DECLARE_ALIGNED(16, signed int, S)[8];
16e0bf73
     {
b0ac780a
     const vector unsigned short mask1 = (vector unsigned short)
80a61f08
                                         {0x0001, 0x0002, 0x0004, 0x0008,
                                          0x0010, 0x0020, 0x0040, 0x0080};
b0ac780a
     const vector unsigned short mask2 = (vector unsigned short)
80a61f08
                                         {0x0100, 0x0200, 0x0000, 0x0000,
                                          0x0000, 0x0000, 0x0000, 0x0000};
115329f1
 
b0ac780a
     const vector unsigned int vuint32_16 = vec_sl(vec_splat_u32(1), vec_splat_u32(4));
     const vector unsigned int vuint32_1 = vec_splat_u32(1);
115329f1
 
bb270c08
 #define COMPARE(i)                                                      \
     vector signed int sum##i;                                           \
     do {                                                                \
16e0bf73
         const vector unsigned char cmp##i =                             \
             (vector unsigned char)vec_cmpgt(src##i, v_avg);             \
         const vector unsigned short cmpHi##i =                          \
             (vector unsigned short)vec_mergeh(cmp##i, cmp##i);          \
         const vector unsigned short cmpLi##i =                          \
             (vector unsigned short)vec_mergel(cmp##i, cmp##i);          \
         const vector signed short cmpHf##i =                            \
             (vector signed short)vec_and(cmpHi##i, mask1);              \
         const vector signed short cmpLf##i =                            \
             (vector signed short)vec_and(cmpLi##i, mask2);              \
         const vector signed int sump##i = vec_sum4s(cmpHf##i, zero);    \
         const vector signed int sumq##i = vec_sum4s(cmpLf##i, sump##i); \
         sum##i  = vec_sums(sumq##i, zero); } while (0)
115329f1
 
b0ac780a
     COMPARE(0);
     COMPARE(1);
     COMPARE(2);
     COMPARE(3);
     COMPARE(4);
     COMPARE(5);
     COMPARE(6);
     COMPARE(7);
     COMPARE(8);
     COMPARE(9);
 #undef COMPARE
115329f1
 
b0ac780a
     vector signed int sumA2;
     vector signed int sumB2;
     {
16e0bf73
     const vector signed int sump02 = vec_mergel(sum0, sum2);
     const vector signed int sump13 = vec_mergel(sum1, sum3);
     const vector signed int sumA = vec_mergel(sump02, sump13);
 
     const vector signed int sump46 = vec_mergel(sum4, sum6);
     const vector signed int sump57 = vec_mergel(sum5, sum7);
     const vector signed int sumB = vec_mergel(sump46, sump57);
 
     const vector signed int sump8A = vec_mergel(sum8, zero);
     const vector signed int sump9B = vec_mergel(sum9, zero);
     const vector signed int sumC = vec_mergel(sump8A, sump9B);
 
     const vector signed int tA = vec_sl(vec_nor(zero, sumA), vuint32_16);
     const vector signed int tB = vec_sl(vec_nor(zero, sumB), vuint32_16);
     const vector signed int tC = vec_sl(vec_nor(zero, sumC), vuint32_16);
     const vector signed int t2A = vec_or(sumA, tA);
     const vector signed int t2B = vec_or(sumB, tB);
     const vector signed int t2C = vec_or(sumC, tC);
     const vector signed int t3A = vec_and(vec_sra(t2A, vuint32_1),
                                           vec_sl(t2A, vuint32_1));
     const vector signed int t3B = vec_and(vec_sra(t2B, vuint32_1),
                                           vec_sl(t2B, vuint32_1));
     const vector signed int t3C = vec_and(vec_sra(t2C, vuint32_1),
                                           vec_sl(t2C, vuint32_1));
     const vector signed int yA = vec_and(t2A, t3A);
     const vector signed int yB = vec_and(t2B, t3B);
     const vector signed int yC = vec_and(t2C, t3C);
 
     const vector unsigned char strangeperm1 = vec_lvsl(4, (unsigned char*)0);
     const vector unsigned char strangeperm2 = vec_lvsl(8, (unsigned char*)0);
     const vector signed int sumAd4 = vec_perm(yA, yB, strangeperm1);
     const vector signed int sumAd8 = vec_perm(yA, yB, strangeperm2);
     const vector signed int sumBd4 = vec_perm(yB, yC, strangeperm1);
     const vector signed int sumBd8 = vec_perm(yB, yC, strangeperm2);
     const vector signed int sumAp = vec_and(yA,
                                             vec_and(sumAd4,sumAd8));
     const vector signed int sumBp = vec_and(yB,
                                             vec_and(sumBd4,sumBd8));
     sumA2 = vec_or(sumAp,
                    vec_sra(sumAp,
                            vuint32_16));
     sumB2  = vec_or(sumBp,
                     vec_sra(sumBp,
                             vuint32_16));
115329f1
     }
b0ac780a
     vec_st(sumA2, 0, S);
     vec_st(sumB2, 16, S);
16e0bf73
     }
 
     /* I'm not sure the following is actually faster
        than straight, unvectorized C code :-( */
 
c6727809
     DECLARE_ALIGNED(16, int, tQP2)[4];
16e0bf73
     tQP2[0]= c->QP/2 + 1;
     vector signed int vQP2 = vec_ld(0, tQP2);
     vQP2 = vec_splat(vQP2, 0);
     const vector signed int vsint32_8 = vec_splat_s32(8);
     const vector unsigned int vuint32_4 = vec_splat_u32(4);
 
     const vector unsigned char permA1 = (vector unsigned char)
80a61f08
         {0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F,
          0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F};
16e0bf73
     const vector unsigned char permA2 = (vector unsigned char)
80a61f08
         {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11,
          0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F};
16e0bf73
     const vector unsigned char permA1inc = (vector unsigned char)
80a61f08
         {0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
16e0bf73
     const vector unsigned char permA2inc = (vector unsigned char)
80a61f08
         {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
          0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
16e0bf73
     const vector unsigned char magic = (vector unsigned char)
80a61f08
         {0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02,
          0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
16e0bf73
     const vector unsigned char extractPerm = (vector unsigned char)
80a61f08
         {0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01,
          0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01};
16e0bf73
     const vector unsigned char extractPermInc = (vector unsigned char)
80a61f08
         {0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
          0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01};
16e0bf73
     const vector unsigned char identity = vec_lvsl(0,(unsigned char *)0);
     const vector unsigned char tenRight = (vector unsigned char)
80a61f08
         {0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
16e0bf73
     const vector unsigned char eightLeft = (vector unsigned char)
80a61f08
         {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08};
b0ac780a
 
 
bb270c08
 #define F_INIT(i)                                       \
16e0bf73
     vector unsigned char tenRightM##i = tenRight;       \
     vector unsigned char permA1M##i = permA1;           \
     vector unsigned char permA2M##i = permA2;           \
     vector unsigned char extractPermM##i = extractPerm
b0ac780a
 
bb270c08
 #define F2(i, j, k, l)                                                  \
16e0bf73
     if (S[i] & (1 << (l+1))) {                                          \
         const vector unsigned char a_##j##_A##l =                       \
             vec_perm(src##i, src##j, permA1M##i);                       \
         const vector unsigned char a_##j##_B##l =                       \
             vec_perm(a_##j##_A##l, src##k, permA2M##i);                 \
         const vector signed int a_##j##_sump##l =                       \
             (vector signed int)vec_msum(a_##j##_B##l, magic,            \
                                         (vector unsigned int)zero);     \
         vector signed int F_##j##_##l =                                 \
             vec_sr(vec_sums(a_##j##_sump##l, vsint32_8), vuint32_4);    \
         F_##j##_##l = vec_splat(F_##j##_##l, 3);                        \
         const vector signed int p_##j##_##l =                           \
             (vector signed int)vec_perm(src##j,                         \
                                         (vector unsigned char)zero,     \
                                         extractPermM##i);               \
         const vector signed int sum_##j##_##l  = vec_add( p_##j##_##l, vQP2);\
         const vector signed int diff_##j##_##l = vec_sub( p_##j##_##l, vQP2);\
         vector signed int newpm_##j##_##l;                              \
         if (vec_all_lt(sum_##j##_##l, F_##j##_##l))                     \
             newpm_##j##_##l = sum_##j##_##l;                            \
         else if (vec_all_gt(diff_##j##_##l, F_##j##_##l))               \
             newpm_##j##_##l = diff_##j##_##l;                           \
         else newpm_##j##_##l = F_##j##_##l;                             \
         const vector unsigned char newpm2_##j##_##l =                   \
             vec_splat((vector unsigned char)newpm_##j##_##l, 15);       \
         const vector unsigned char mask##j##l = vec_add(identity,       \
                                                         tenRightM##i);  \
         src##j = vec_perm(src##j, newpm2_##j##_##l, mask##j##l);        \
     }                                                                   \
     permA1M##i = vec_add(permA1M##i, permA1inc);                        \
     permA2M##i = vec_add(permA2M##i, permA2inc);                        \
     tenRightM##i = vec_sro(tenRightM##i, eightLeft);                    \
     extractPermM##i = vec_add(extractPermM##i, extractPermInc)
b0ac780a
 
bb270c08
 #define ITER(i, j, k)                           \
16e0bf73
     F_INIT(i);                                  \
     F2(i, j, k, 0);                             \
     F2(i, j, k, 1);                             \
     F2(i, j, k, 2);                             \
     F2(i, j, k, 3);                             \
     F2(i, j, k, 4);                             \
     F2(i, j, k, 5);                             \
     F2(i, j, k, 6);                             \
     F2(i, j, k, 7)
 
     ITER(0, 1, 2);
     ITER(1, 2, 3);
     ITER(2, 3, 4);
     ITER(3, 4, 5);
     ITER(4, 5, 6);
     ITER(5, 6, 7);
     ITER(6, 7, 8);
     ITER(7, 8, 9);
 
     const vector signed char neg1 = vec_splat_s8(-1);
115329f1
 
bb270c08
 #define STORE_LINE(i)                                   \
16e0bf73
     const vector unsigned char permST##i =              \
         vec_lvsr(i * stride, srcCopy);                  \
     const vector unsigned char maskST##i =              \
         vec_perm((vector unsigned char)zero,            \
                  (vector unsigned char)neg1, permST##i);\
     src##i = vec_perm(src##i ,src##i, permST##i);       \
     sA##i= vec_sel(sA##i, src##i, maskST##i);           \
     sB##i= vec_sel(src##i, sB##i, maskST##i);           \
     vec_st(sA##i, i * stride, srcCopy);                 \
     vec_st(sB##i, i * stride + 16, srcCopy)
 
     STORE_LINE(1);
     STORE_LINE(2);
     STORE_LINE(3);
     STORE_LINE(4);
     STORE_LINE(5);
     STORE_LINE(6);
     STORE_LINE(7);
     STORE_LINE(8);
b0ac780a
 
 #undef STORE_LINE
 #undef ITER
 #undef F2
 }
 
 #define doHorizLowPass_altivec(a...) doHorizLowPass_C(a)
 #define doHorizDefFilter_altivec(a...) doHorizDefFilter_C(a)
a7b2871c
 #define do_a_deblock_altivec(a...) do_a_deblock_C(a)
 
 static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
aa089f6c
                                             uint8_t *tempBlurred, uint32_t *tempBlurredPast, int *maxNoise)
a7b2871c
 {
16e0bf73
     const vector signed int zero = vec_splat_s32(0);
     const vector signed short vsint16_1 = vec_splat_s16(1);
     vector signed int v_dp = zero;
     vector signed int v_sysdp = zero;
     int d, sysd, i;
115329f1
 
aa089f6c
     tempBlurredPast[127]= maxNoise[0];
     tempBlurredPast[128]= maxNoise[1];
     tempBlurredPast[129]= maxNoise[2];
a7b2871c
 
bb270c08
 #define LOAD_LINE(src, i)                                               \
16e0bf73
     register int j##src##i = i * stride;                                \
     vector unsigned char perm##src##i = vec_lvsl(j##src##i, src);       \
     const vector unsigned char v_##src##A1##i = vec_ld(j##src##i, src); \
     const vector unsigned char v_##src##A2##i = vec_ld(j##src##i + 16, src); \
     const vector unsigned char v_##src##A##i =                          \
         vec_perm(v_##src##A1##i, v_##src##A2##i, perm##src##i);         \
     vector signed short v_##src##Ass##i =                               \
         (vector signed short)vec_mergeh((vector signed char)zero,       \
                                         (vector signed char)v_##src##A##i)
 
     LOAD_LINE(src, 0);
     LOAD_LINE(src, 1);
     LOAD_LINE(src, 2);
     LOAD_LINE(src, 3);
     LOAD_LINE(src, 4);
     LOAD_LINE(src, 5);
     LOAD_LINE(src, 6);
     LOAD_LINE(src, 7);
 
aa089f6c
     LOAD_LINE(tempBlurred, 0);
     LOAD_LINE(tempBlurred, 1);
     LOAD_LINE(tempBlurred, 2);
     LOAD_LINE(tempBlurred, 3);
     LOAD_LINE(tempBlurred, 4);
     LOAD_LINE(tempBlurred, 5);
     LOAD_LINE(tempBlurred, 6);
     LOAD_LINE(tempBlurred, 7);
a7b2871c
 #undef LOAD_LINE
 
bb270c08
 #define ACCUMULATE_DIFFS(i)                                     \
2f770701
     vector signed short v_d##i = vec_sub(v_tempBlurredAss##i,   \
16e0bf73
                                          v_srcAss##i);          \
     v_dp = vec_msums(v_d##i, v_d##i, v_dp);                     \
     v_sysdp = vec_msums(v_d##i, vsint16_1, v_sysdp)
 
     ACCUMULATE_DIFFS(0);
     ACCUMULATE_DIFFS(1);
     ACCUMULATE_DIFFS(2);
     ACCUMULATE_DIFFS(3);
     ACCUMULATE_DIFFS(4);
     ACCUMULATE_DIFFS(5);
     ACCUMULATE_DIFFS(6);
     ACCUMULATE_DIFFS(7);
a7b2871c
 #undef ACCUMULATE_DIFFS
 
16e0bf73
     v_dp = vec_sums(v_dp, zero);
     v_sysdp = vec_sums(v_sysdp, zero);
a7b2871c
 
16e0bf73
     v_dp = vec_splat(v_dp, 3);
     v_sysdp = vec_splat(v_sysdp, 3);
115329f1
 
16e0bf73
     vec_ste(v_dp, 0, &d);
     vec_ste(v_sysdp, 0, &sysd);
a7b2871c
 
16e0bf73
     i = d;
     d = (4*d
aa089f6c
          +(*(tempBlurredPast-256))
          +(*(tempBlurredPast-1))+ (*(tempBlurredPast+1))
          +(*(tempBlurredPast+256))
16e0bf73
          +4)>>3;
a7b2871c
 
aa089f6c
     *tempBlurredPast=i;
a7b2871c
 
16e0bf73
     if (d > maxNoise[1]) {
         if (d < maxNoise[2]) {
aa089f6c
 #define OP(i) v_tempBlurredAss##i = vec_avg(v_tempBlurredAss##i, v_srcAss##i);
a7b2871c
 
16e0bf73
             OP(0);
             OP(1);
             OP(2);
             OP(3);
             OP(4);
             OP(5);
             OP(6);
             OP(7);
a7b2871c
 #undef OP
16e0bf73
         } else {
aa089f6c
 #define OP(i) v_tempBlurredAss##i = v_srcAss##i;
a7b2871c
 
16e0bf73
             OP(0);
             OP(1);
             OP(2);
             OP(3);
             OP(4);
             OP(5);
             OP(6);
             OP(7);
a7b2871c
 #undef OP
16e0bf73
         }
     } else {
         if (d < maxNoise[0]) {
             const vector signed short vsint16_7 = vec_splat_s16(7);
             const vector signed short vsint16_4 = vec_splat_s16(4);
             const vector unsigned short vuint16_3 = vec_splat_u16(3);
115329f1
 
bb270c08
 #define OP(i)                                                   \
16e0bf73
             const vector signed short v_temp##i =               \
2f770701
                 vec_mladd(v_tempBlurredAss##i,                  \
16e0bf73
                           vsint16_7, v_srcAss##i);              \
             const vector signed short v_temp2##i =              \
                 vec_add(v_temp##i, vsint16_4);                  \
aa089f6c
             v_tempBlurredAss##i = vec_sr(v_temp2##i, vuint16_3)
16e0bf73
 
             OP(0);
             OP(1);
             OP(2);
             OP(3);
             OP(4);
             OP(5);
             OP(6);
             OP(7);
a7b2871c
 #undef OP
16e0bf73
         } else {
             const vector signed short vsint16_3 = vec_splat_s16(3);
             const vector signed short vsint16_2 = vec_splat_s16(2);
115329f1
 
bb270c08
 #define OP(i)                                                   \
16e0bf73
             const vector signed short v_temp##i =               \
2f770701
                 vec_mladd(v_tempBlurredAss##i,                  \
16e0bf73
                           vsint16_3, v_srcAss##i);              \
             const vector signed short v_temp2##i =              \
                 vec_add(v_temp##i, vsint16_2);                  \
aa089f6c
             v_tempBlurredAss##i = vec_sr(v_temp2##i, (vector unsigned short)vsint16_2)
16e0bf73
 
             OP(0);
             OP(1);
             OP(2);
             OP(3);
             OP(4);
             OP(5);
             OP(6);
             OP(7);
a7b2871c
 #undef OP
16e0bf73
         }
a7b2871c
     }
 
16e0bf73
     const vector signed char neg1 = vec_splat_s8(-1);
80a61f08
     const vector unsigned char permHH = (const vector unsigned char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                                                                      0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F};
bb270c08
 
 #define PACK_AND_STORE(src, i)                                  \
16e0bf73
     const vector unsigned char perms##src##i =                  \
         vec_lvsr(i * stride, src);                              \
     const vector unsigned char vf##src##i =                     \
aa089f6c
         vec_packsu(v_tempBlurredAss##i, (vector signed short)zero); \
16e0bf73
     const vector unsigned char vg##src##i =                     \
         vec_perm(vf##src##i, v_##src##A##i, permHH);            \
     const vector unsigned char mask##src##i =                   \
         vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##src##i); \
     const vector unsigned char vg2##src##i =                    \
         vec_perm(vg##src##i, vg##src##i, perms##src##i);        \
     const vector unsigned char svA##src##i =                    \
         vec_sel(v_##src##A1##i, vg2##src##i, mask##src##i);     \
     const vector unsigned char svB##src##i =                    \
         vec_sel(vg2##src##i, v_##src##A2##i, mask##src##i);     \
     vec_st(svA##src##i, i * stride, src);                       \
     vec_st(svB##src##i, i * stride + 16, src)
 
     PACK_AND_STORE(src, 0);
     PACK_AND_STORE(src, 1);
     PACK_AND_STORE(src, 2);
     PACK_AND_STORE(src, 3);
     PACK_AND_STORE(src, 4);
     PACK_AND_STORE(src, 5);
     PACK_AND_STORE(src, 6);
     PACK_AND_STORE(src, 7);
aa089f6c
     PACK_AND_STORE(tempBlurred, 0);
     PACK_AND_STORE(tempBlurred, 1);
     PACK_AND_STORE(tempBlurred, 2);
     PACK_AND_STORE(tempBlurred, 3);
     PACK_AND_STORE(tempBlurred, 4);
     PACK_AND_STORE(tempBlurred, 5);
     PACK_AND_STORE(tempBlurred, 6);
     PACK_AND_STORE(tempBlurred, 7);
a7b2871c
 #undef PACK_AND_STORE
 }
20646267
 
 static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
16e0bf73
     const vector unsigned char zero = vec_splat_u8(0);
20646267
 
bb270c08
 #define LOAD_DOUBLE_LINE(i, j)                                          \
16e0bf73
     vector unsigned char perm1##i = vec_lvsl(i * stride, src);          \
     vector unsigned char perm2##i = vec_lvsl(j * stride, src);          \
     vector unsigned char srcA##i = vec_ld(i * stride, src);             \
     vector unsigned char srcB##i = vec_ld(i * stride + 16, src);        \
     vector unsigned char srcC##i = vec_ld(j * stride, src);             \
     vector unsigned char srcD##i = vec_ld(j * stride+ 16, src);         \
     vector unsigned char src##i = vec_perm(srcA##i, srcB##i, perm1##i); \
     vector unsigned char src##j = vec_perm(srcC##i, srcD##i, perm2##i)
 
     LOAD_DOUBLE_LINE(0, 1);
     LOAD_DOUBLE_LINE(2, 3);
     LOAD_DOUBLE_LINE(4, 5);
     LOAD_DOUBLE_LINE(6, 7);
20646267
 #undef LOAD_DOUBLE_LINE
 
16e0bf73
     vector unsigned char tempA = vec_mergeh(src0, zero);
     vector unsigned char tempB = vec_mergel(src0, zero);
     vector unsigned char tempC = vec_mergeh(src1, zero);
     vector unsigned char tempD = vec_mergel(src1, zero);
     vector unsigned char tempE = vec_mergeh(src2, zero);
     vector unsigned char tempF = vec_mergel(src2, zero);
     vector unsigned char tempG = vec_mergeh(src3, zero);
     vector unsigned char tempH = vec_mergel(src3, zero);
     vector unsigned char tempI = vec_mergeh(src4, zero);
     vector unsigned char tempJ = vec_mergel(src4, zero);
     vector unsigned char tempK = vec_mergeh(src5, zero);
     vector unsigned char tempL = vec_mergel(src5, zero);
     vector unsigned char tempM = vec_mergeh(src6, zero);
     vector unsigned char tempN = vec_mergel(src6, zero);
     vector unsigned char tempO = vec_mergeh(src7, zero);
     vector unsigned char tempP = vec_mergel(src7, zero);
 
2f770701
     vector unsigned char temp0  = vec_mergeh(tempA, tempI);
     vector unsigned char temp1  = vec_mergel(tempA, tempI);
     vector unsigned char temp2  = vec_mergeh(tempB, tempJ);
     vector unsigned char temp3  = vec_mergel(tempB, tempJ);
     vector unsigned char temp4  = vec_mergeh(tempC, tempK);
     vector unsigned char temp5  = vec_mergel(tempC, tempK);
     vector unsigned char temp6  = vec_mergeh(tempD, tempL);
     vector unsigned char temp7  = vec_mergel(tempD, tempL);
     vector unsigned char temp8  = vec_mergeh(tempE, tempM);
     vector unsigned char temp9  = vec_mergel(tempE, tempM);
16e0bf73
     vector unsigned char temp10 = vec_mergeh(tempF, tempN);
     vector unsigned char temp11 = vec_mergel(tempF, tempN);
     vector unsigned char temp12 = vec_mergeh(tempG, tempO);
     vector unsigned char temp13 = vec_mergel(tempG, tempO);
     vector unsigned char temp14 = vec_mergeh(tempH, tempP);
     vector unsigned char temp15 = vec_mergel(tempH, tempP);
 
     tempA = vec_mergeh(temp0, temp8);
     tempB = vec_mergel(temp0, temp8);
     tempC = vec_mergeh(temp1, temp9);
     tempD = vec_mergel(temp1, temp9);
     tempE = vec_mergeh(temp2, temp10);
     tempF = vec_mergel(temp2, temp10);
     tempG = vec_mergeh(temp3, temp11);
     tempH = vec_mergel(temp3, temp11);
     tempI = vec_mergeh(temp4, temp12);
     tempJ = vec_mergel(temp4, temp12);
     tempK = vec_mergeh(temp5, temp13);
     tempL = vec_mergel(temp5, temp13);
     tempM = vec_mergeh(temp6, temp14);
     tempN = vec_mergel(temp6, temp14);
     tempO = vec_mergeh(temp7, temp15);
     tempP = vec_mergel(temp7, temp15);
 
2f770701
     temp0  = vec_mergeh(tempA, tempI);
     temp1  = vec_mergel(tempA, tempI);
     temp2  = vec_mergeh(tempB, tempJ);
     temp3  = vec_mergel(tempB, tempJ);
     temp4  = vec_mergeh(tempC, tempK);
     temp5  = vec_mergel(tempC, tempK);
     temp6  = vec_mergeh(tempD, tempL);
     temp7  = vec_mergel(tempD, tempL);
     temp8  = vec_mergeh(tempE, tempM);
     temp9  = vec_mergel(tempE, tempM);
16e0bf73
     temp10 = vec_mergeh(tempF, tempN);
     temp11 = vec_mergel(tempF, tempN);
     temp12 = vec_mergeh(tempG, tempO);
     temp13 = vec_mergel(tempG, tempO);
     temp14 = vec_mergeh(tempH, tempP);
     temp15 = vec_mergel(tempH, tempP);
 
2f770701
     vec_st(temp0,    0, dst);
     vec_st(temp1,   16, dst);
     vec_st(temp2,   32, dst);
     vec_st(temp3,   48, dst);
     vec_st(temp4,   64, dst);
     vec_st(temp5,   80, dst);
     vec_st(temp6,   96, dst);
     vec_st(temp7,  112, dst);
     vec_st(temp8,  128, dst);
     vec_st(temp9,  144, dst);
16e0bf73
     vec_st(temp10, 160, dst);
     vec_st(temp11, 176, dst);
     vec_st(temp12, 192, dst);
     vec_st(temp13, 208, dst);
     vec_st(temp14, 224, dst);
     vec_st(temp15, 240, dst);
20646267
 }
 
 static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
16e0bf73
     const vector unsigned char zero = vec_splat_u8(0);
115329f1
 
bb270c08
 #define LOAD_DOUBLE_LINE(i, j)                                  \
16e0bf73
     vector unsigned char src##i = vec_ld(i * 16, src);            \
     vector unsigned char src##j = vec_ld(j * 16, src)
 
     LOAD_DOUBLE_LINE(0, 1);
     LOAD_DOUBLE_LINE(2, 3);
     LOAD_DOUBLE_LINE(4, 5);
     LOAD_DOUBLE_LINE(6, 7);
     LOAD_DOUBLE_LINE(8, 9);
     LOAD_DOUBLE_LINE(10, 11);
     LOAD_DOUBLE_LINE(12, 13);
     LOAD_DOUBLE_LINE(14, 15);
20646267
 #undef LOAD_DOUBLE_LINE
 
16e0bf73
     vector unsigned char tempA = vec_mergeh(src0, src8);
     vector unsigned char tempB;
     vector unsigned char tempC = vec_mergeh(src1, src9);
     vector unsigned char tempD;
     vector unsigned char tempE = vec_mergeh(src2, src10);
     vector unsigned char tempG = vec_mergeh(src3, src11);
     vector unsigned char tempI = vec_mergeh(src4, src12);
     vector unsigned char tempJ;
     vector unsigned char tempK = vec_mergeh(src5, src13);
     vector unsigned char tempL;
     vector unsigned char tempM = vec_mergeh(src6, src14);
     vector unsigned char tempO = vec_mergeh(src7, src15);
 
     vector unsigned char temp0 = vec_mergeh(tempA, tempI);
     vector unsigned char temp1 = vec_mergel(tempA, tempI);
     vector unsigned char temp2;
     vector unsigned char temp3;
     vector unsigned char temp4 = vec_mergeh(tempC, tempK);
     vector unsigned char temp5 = vec_mergel(tempC, tempK);
     vector unsigned char temp6;
     vector unsigned char temp7;
     vector unsigned char temp8 = vec_mergeh(tempE, tempM);
     vector unsigned char temp9 = vec_mergel(tempE, tempM);
     vector unsigned char temp12 = vec_mergeh(tempG, tempO);
     vector unsigned char temp13 = vec_mergel(tempG, tempO);
 
     tempA = vec_mergeh(temp0, temp8);
     tempB = vec_mergel(temp0, temp8);
     tempC = vec_mergeh(temp1, temp9);
     tempD = vec_mergel(temp1, temp9);
     tempI = vec_mergeh(temp4, temp12);
     tempJ = vec_mergel(temp4, temp12);
     tempK = vec_mergeh(temp5, temp13);
     tempL = vec_mergel(temp5, temp13);
 
     temp0 = vec_mergeh(tempA, tempI);
     temp1 = vec_mergel(tempA, tempI);
     temp2 = vec_mergeh(tempB, tempJ);
     temp3 = vec_mergel(tempB, tempJ);
     temp4 = vec_mergeh(tempC, tempK);
     temp5 = vec_mergel(tempC, tempK);
     temp6 = vec_mergeh(tempD, tempL);
     temp7 = vec_mergel(tempD, tempL);
 
 
     const vector signed char neg1 = vec_splat_s8(-1);
bb270c08
 #define STORE_DOUBLE_LINE(i, j)                                         \
16e0bf73
     vector unsigned char dstA##i = vec_ld(i * stride, dst);             \
     vector unsigned char dstB##i = vec_ld(i * stride + 16, dst);        \
     vector unsigned char dstA##j = vec_ld(j * stride, dst);             \
     vector unsigned char dstB##j = vec_ld(j * stride+ 16, dst);         \
     vector unsigned char align##i = vec_lvsr(i * stride, dst);          \
     vector unsigned char align##j = vec_lvsr(j * stride, dst);          \
     vector unsigned char mask##i = vec_perm(zero, (vector unsigned char)neg1, align##i); \
     vector unsigned char mask##j = vec_perm(zero, (vector unsigned char)neg1, align##j); \
     vector unsigned char dstR##i = vec_perm(temp##i, temp##i, align##i);\
     vector unsigned char dstR##j = vec_perm(temp##j, temp##j, align##j);\
     vector unsigned char dstAF##i = vec_sel(dstA##i, dstR##i, mask##i); \
     vector unsigned char dstBF##i = vec_sel(dstR##i, dstB##i, mask##i); \
     vector unsigned char dstAF##j = vec_sel(dstA##j, dstR##j, mask##j); \
     vector unsigned char dstBF##j = vec_sel(dstR##j, dstB##j, mask##j); \
     vec_st(dstAF##i, i * stride, dst);                                  \
     vec_st(dstBF##i, i * stride + 16, dst);                             \
     vec_st(dstAF##j, j * stride, dst);                                  \
     vec_st(dstBF##j, j * stride + 16, dst)
 
     STORE_DOUBLE_LINE(0,1);
     STORE_DOUBLE_LINE(2,3);
     STORE_DOUBLE_LINE(4,5);
     STORE_DOUBLE_LINE(6,7);
20646267
 }