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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
+ */
+
+#include "libavutil/avutil.h"
+
+#define ALTIVEC_TRANSPOSE_8x8_SHORT(src_a,src_b,src_c,src_d,src_e,src_f,src_g,src_h) \
+ 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)
+
+
+static inline int vertClassify_altivec(uint8_t src[], int stride, PPContext *c) {
+ /*
+ 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.
+ */
+ short data_0 = ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
+ DECLARE_ALIGNED(16, short, data)[8] =
+ {
+ data_0,
+ data_0 * 2 + 1,
+ c->QP * 2,
+ c->QP * 4
+ };
+ 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);
+ vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3,
+ v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7;
+//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;
+
+ 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;
+
+#define LOAD_LINE(i) \
+ { \
+ vector unsigned char perm##i = vec_lvsl(j##i, src2); \
+ vector unsigned char v_srcA2##i; \
+ vector unsigned char v_srcA1##i = vec_ld(j##i, src2); \
+ if (two_vectors) \
+ v_srcA2##i = vec_ld(j##i + 16, src2); \
+ v_srcA##i = \
+ vec_perm(v_srcA1##i, v_srcA2##i, perm##i); \
+ v_srcAss##i = \
+ (vector signed short)vec_mergeh((vector signed char)zero, \
+ (vector signed char)v_srcA##i); }
+
+#define LOAD_LINE_ALIGNED(i) \
+ v_srcA##i = vec_ld(j##i, src2); \
+ v_srcAss##i = \
+ (vector signed short)vec_mergeh((vector signed char)zero, \
+ (vector signed char)v_srcA##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. */
+ if (properStride && srcAlign) {
+ 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);
+ } else {
+ LOAD_LINE(0);
+ LOAD_LINE(1);
+ LOAD_LINE(2);
+ LOAD_LINE(3);
+ LOAD_LINE(4);
+ LOAD_LINE(5);
+ LOAD_LINE(6);
+ LOAD_LINE(7);
+ }
+#undef LOAD_LINE
+#undef LOAD_LINE_ALIGNED
+
+#define ITER(i, j) \
+ 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); \
+ const vector signed short v_part##i = vec_and(mask, v_comp##i);
+
+ {
+ 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);
+ }
+
+#undef ITER
+
+ 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)
+ {0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
+ 0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B};
+ const vector unsigned char mmoP2 = (const vector unsigned char)
+ {0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f};
+ 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;
+ }
+ else return 2;
+}
+
+static inline void doVertLowPass_altivec(uint8_t *src, int stride, PPContext *c) {
+ /*
+ 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
+ can be removed by assuming proper alignment of
+ src & stride :-(
+ */
+ 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);
+ DECLARE_ALIGNED(16, short, qp)[8] = {c->QP};
+ vector signed short vqp = vec_ld(0, qp);
+ vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9;
+ 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;
+ vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7, vbT8, vbT9;
+ 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;
+
+#define LOAD_LINE(i) \
+ perml##i = vec_lvsl(i * stride, src2); \
+ 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)
+
+#define LOAD_LINE_ALIGNED(i) \
+ 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. */
+ if (properStride && srcAlign) {
+ 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);
+ } else {
+ 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);
+ }
+#undef LOAD_LINE
+#undef LOAD_LINE_ALIGNED
+ {
+ 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);
+ 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};
+
+#define PACK_AND_STORE(i) \
+{ const vector unsigned char perms##i = \
+ 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); \
+ vec_st(svB##i, i * stride + 16, src2);}
+
+#define PACK_AND_STORE_ALIGNED(i) \
+{ 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); \
+ vec_st(vg##i, i * stride, src2);}
+
+ /* 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
+ }
+}
+
+
+
+static inline void doVertDefFilter_altivec(uint8_t src[], int stride, PPContext *c) {
+ /*
+ 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
+ can be removed by assuming proper alignment of
+ src & stride :-(
+ */
+ uint8_t *src2 = src + stride*3;
+ const vector signed int zero = vec_splat_s32(0);
+ DECLARE_ALIGNED(16, short, qp)[8] = {8*c->QP};
+ vector signed short vqp = vec_splat(
+ (vector signed short)vec_ld(0, qp), 0);
+
+#define LOAD_LINE(i) \
+ 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);
+#undef LOAD_LINE
+
+ 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);
+ 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};
+
+#define STORE(i) \
+{ const vector unsigned char perms##i = \
+ 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); \
+ vec_st(svB##i, i * stride + 16, src2);}
+
+ STORE(4)
+ STORE(5)
+}
+
+static inline void dering_altivec(uint8_t src[], int stride, PPContext *c) {
+ const vector signed int vsint32_8 = vec_splat_s32(8);
+ const vector unsigned int vuint32_4 = vec_splat_u32(4);
+ const vector signed char neg1 = vec_splat_s8(-1);
+
+ const vector unsigned char permA1 = (vector unsigned char)
+ {0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F,
+ 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F};
+ const vector unsigned char permA2 = (vector unsigned char)
+ {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11,
+ 0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F};
+ const vector unsigned char permA1inc = (vector unsigned char)
+ {0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+ const vector unsigned char permA2inc = (vector unsigned char)
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+ const vector unsigned char magic = (vector unsigned char)
+ {0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+ const vector unsigned char extractPerm = (vector unsigned char)
+ {0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01,
+ 0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01};
+ const vector unsigned char extractPermInc = (vector unsigned char)
+ {0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
+ 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01};
+ const vector unsigned char identity = vec_lvsl(0,(unsigned char *)0);
+ const vector unsigned char tenRight = (vector unsigned char)
+ {0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+ const vector unsigned char eightLeft = (vector unsigned char)
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08};
+
+ /*
+ 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
+ can be removed by assuming proper alignment of
+ src & stride :-(
+ */
+ uint8_t *srcCopy = src;
+ DECLARE_ALIGNED(16, uint8_t, dt)[16] = { deringThreshold };
+ const vector signed int zero = vec_splat_s32(0);
+ vector unsigned char v_dt = vec_splat(vec_ld(0, dt), 0);
+
+#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); \
+ 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);
+#undef LOAD_LINE
+
+ vector unsigned char v_avg;
+ DECLARE_ALIGNED(16, signed int, S)[8];
+ DECLARE_ALIGNED(16, int, tQP2)[4] = { c->QP/2 + 1 };
+ vector signed int vQP2 = vec_ld(0, tQP2);
+ vQP2 = vec_splat(vQP2, 0);
+
+ {
+ const vector unsigned char trunc_perm = (vector unsigned char)
+ {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+ 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18};
+ 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);
+
+#define EXTRACT(op) do { \
+ const vector unsigned char s_1 = vec_##op(trunc_src12, trunc_src34); \
+ const vector unsigned char s_2 = vec_##op(trunc_src56, trunc_src78); \
+ const vector unsigned char s_6 = vec_##op(s_1, s_2); \
+ const vector unsigned char s_8h = vec_mergeh(s_6, s_6); \
+ const vector unsigned char s_8l = vec_mergel(s_6, s_6); \
+ const vector unsigned char s_9 = vec_##op(s_8h, s_8l); \
+ const vector unsigned char s_9h = vec_mergeh(s_9, s_9); \
+ const vector unsigned char s_9l = vec_mergel(s_9, s_9); \
+ const vector unsigned char s_10 = vec_##op(s_9h, s_9l); \
+ const vector unsigned char s_10h = vec_mergeh(s_10, s_10); \
+ const vector unsigned char s_10l = vec_mergel(s_10, s_10); \
+ const vector unsigned char s_11 = vec_##op(s_10h, s_10l); \
+ const vector unsigned char s_11h = vec_mergeh(s_11, s_11); \
+ const vector unsigned char s_11l = vec_mergel(s_11, s_11); \
+ v_##op = vec_##op(s_11h, s_11l); \
+} while (0)
+
+ vector unsigned char v_min;
+ vector unsigned char v_max;
+ EXTRACT(min);
+ EXTRACT(max);
+#undef EXTRACT
+
+ if (vec_all_lt(vec_sub(v_max, v_min), v_dt))
+ return;
+
+ v_avg = vec_avg(v_min, v_max);
+ }
+
+ {
+ const vector unsigned short mask1 = (vector unsigned short)
+ {0x0001, 0x0002, 0x0004, 0x0008,
+ 0x0010, 0x0020, 0x0040, 0x0080};
+ const vector unsigned short mask2 = (vector unsigned short)
+ {0x0100, 0x0200, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000};
+
+ 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);
+
+ vector signed int sumA2;
+ vector signed int sumB2;
+ vector signed int sum0, sum1, sum2, sum3, sum4;
+ vector signed int sum5, sum6, sum7, sum8, sum9;
+
+#define COMPARE(i) \
+ do { \
+ const vector unsigned char cmp = \
+ (vector unsigned char)vec_cmpgt(src##i, v_avg); \
+ const vector unsigned short cmpHi = \
+ (vector unsigned short)vec_mergeh(cmp, cmp); \
+ const vector unsigned short cmpLi = \
+ (vector unsigned short)vec_mergel(cmp, cmp); \
+ const vector signed short cmpHf = \
+ (vector signed short)vec_and(cmpHi, mask1); \
+ const vector signed short cmpLf = \
+ (vector signed short)vec_and(cmpLi, mask2); \
+ const vector signed int sump = vec_sum4s(cmpHf, zero); \
+ const vector signed int sumq = vec_sum4s(cmpLf, sump); \
+ sum##i = vec_sums(sumq, zero); \
+ } while (0)
+
+ COMPARE(0);
+ COMPARE(1);
+ COMPARE(2);
+ COMPARE(3);
+ COMPARE(4);
+ COMPARE(5);
+ COMPARE(6);
+ COMPARE(7);
+ COMPARE(8);
+ COMPARE(9);
+#undef COMPARE
+
+ {
+ 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));
+ }
+ vec_st(sumA2, 0, S);
+ vec_st(sumB2, 16, S);
+ }
+
+ /* I'm not sure the following is actually faster
+ than straight, unvectorized C code :-( */
+
+#define F_INIT() \
+ vector unsigned char tenRightM = tenRight; \
+ vector unsigned char permA1M = permA1; \
+ vector unsigned char permA2M = permA2; \
+ vector unsigned char extractPermM = extractPerm
+
+#define F2(i, j, k, l) \
+ if (S[i] & (1 << (l+1))) { \
+ const vector unsigned char a_A = vec_perm(src##i, src##j, permA1M); \
+ const vector unsigned char a_B = vec_perm(a_A, src##k, permA2M); \
+ const vector signed int a_sump = \
+ (vector signed int)vec_msum(a_B, magic, (vector unsigned int)zero);\
+ vector signed int F = vec_sr(vec_sums(a_sump, vsint32_8), vuint32_4); \
+ const vector signed int p = \
+ (vector signed int)vec_perm(src##j, (vector unsigned char)zero, \
+ extractPermM); \
+ const vector signed int sum = vec_add(p, vQP2); \
+ const vector signed int diff = vec_sub(p, vQP2); \
+ vector signed int newpm; \
+ vector unsigned char newpm2, mask; \
+ F = vec_splat(F, 3); \
+ if (vec_all_lt(sum, F)) \
+ newpm = sum; \
+ else if (vec_all_gt(diff, F)) \
+ newpm = diff; \
+ else newpm = F; \
+ newpm2 = vec_splat((vector unsigned char)newpm, 15); \
+ mask = vec_add(identity, tenRightM); \
+ src##j = vec_perm(src##j, newpm2, mask); \
+ } \
+ permA1M = vec_add(permA1M, permA1inc); \
+ permA2M = vec_add(permA2M, permA2inc); \
+ tenRightM = vec_sro(tenRightM, eightLeft); \
+ extractPermM = vec_add(extractPermM, extractPermInc)
+
+#define ITER(i, j, k) do { \
+ F_INIT(); \
+ 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); \
+} while (0)
+
+ 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);
+
+#define STORE_LINE(i) do { \
+ const vector unsigned char permST = \
+ vec_lvsr(i * stride, srcCopy); \
+ const vector unsigned char maskST = \
+ vec_perm((vector unsigned char)zero, \
+ (vector unsigned char)neg1, permST); \
+ src##i = vec_perm(src##i ,src##i, permST); \
+ sA##i= vec_sel(sA##i, src##i, maskST); \
+ sB##i= vec_sel(src##i, sB##i, maskST); \
+ vec_st(sA##i, i * stride, srcCopy); \
+ vec_st(sB##i, i * stride + 16, srcCopy); \
+} while (0)
+
+ STORE_LINE(1);
+ STORE_LINE(2);
+ STORE_LINE(3);
+ STORE_LINE(4);
+ STORE_LINE(5);
+ STORE_LINE(6);
+ STORE_LINE(7);
+ STORE_LINE(8);
+
+#undef STORE_LINE
+#undef ITER
+#undef F2
+}
+
+#define doHorizLowPass_altivec(a...) doHorizLowPass_C(a)
+#define doHorizDefFilter_altivec(a...) doHorizDefFilter_C(a)
+#define do_a_deblock_altivec(a...) do_a_deblock_C(a)
+
+static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
+ uint8_t *tempBlurred, uint32_t *tempBlurredPast, int *maxNoise)
+{
+ const vector signed char neg1 = vec_splat_s8(-1);
+ 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};
+
+ 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;
+
+#define LOAD_LINE(src, i) \
+ 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);
+
+ 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);
+#undef LOAD_LINE
+
+#define ACCUMULATE_DIFFS(i) do { \
+ vector signed short v_d = vec_sub(v_tempBlurredAss##i, \
+ v_srcAss##i); \
+ v_dp = vec_msums(v_d, v_d, v_dp); \
+ v_sysdp = vec_msums(v_d, vsint16_1, v_sysdp); \
+ } while (0)
+
+ ACCUMULATE_DIFFS(0);
+ ACCUMULATE_DIFFS(1);
+ ACCUMULATE_DIFFS(2);
+ ACCUMULATE_DIFFS(3);
+ ACCUMULATE_DIFFS(4);
+ ACCUMULATE_DIFFS(5);
+ ACCUMULATE_DIFFS(6);
+ ACCUMULATE_DIFFS(7);
+#undef ACCUMULATE_DIFFS
+
+ tempBlurredPast[127]= maxNoise[0];
+ tempBlurredPast[128]= maxNoise[1];
+ tempBlurredPast[129]= maxNoise[2];
+
+ v_dp = vec_sums(v_dp, zero);
+ v_sysdp = vec_sums(v_sysdp, zero);
+
+ v_dp = vec_splat(v_dp, 3);
+ v_sysdp = vec_splat(v_sysdp, 3);
+
+ vec_ste(v_dp, 0, &d);
+ vec_ste(v_sysdp, 0, &sysd);
+
+ i = d;
+ d = (4*d
+ +(*(tempBlurredPast-256))
+ +(*(tempBlurredPast-1))+ (*(tempBlurredPast+1))
+ +(*(tempBlurredPast+256))
+ +4)>>3;
+
+ *tempBlurredPast=i;
+
+ if (d > maxNoise[1]) {
+ if (d < maxNoise[2]) {
+#define OP(i) v_tempBlurredAss##i = vec_avg(v_tempBlurredAss##i, v_srcAss##i);
+
+ OP(0);
+ OP(1);
+ OP(2);
+ OP(3);
+ OP(4);
+ OP(5);
+ OP(6);
+ OP(7);
+#undef OP
+ } else {
+#define OP(i) v_tempBlurredAss##i = v_srcAss##i;
+
+ OP(0);
+ OP(1);
+ OP(2);
+ OP(3);
+ OP(4);
+ OP(5);
+ OP(6);
+ OP(7);
+#undef OP
+ }
+ } 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);
+
+#define OP(i) do { \
+ const vector signed short v_temp = \
+ vec_mladd(v_tempBlurredAss##i, vsint16_7, v_srcAss##i); \
+ const vector signed short v_temp2 = vec_add(v_temp, vsint16_4); \
+ v_tempBlurredAss##i = vec_sr(v_temp2, vuint16_3); \
+ } while (0)
+
+ OP(0);
+ OP(1);
+ OP(2);
+ OP(3);
+ OP(4);
+ OP(5);
+ OP(6);
+ OP(7);
+#undef OP
+ } else {
+ const vector signed short vsint16_3 = vec_splat_s16(3);
+ const vector signed short vsint16_2 = vec_splat_s16(2);
+
+#define OP(i) do { \
+ const vector signed short v_temp = \
+ vec_mladd(v_tempBlurredAss##i, vsint16_3, v_srcAss##i); \
+ const vector signed short v_temp2 = vec_add(v_temp, vsint16_2); \
+ v_tempBlurredAss##i = \
+ vec_sr(v_temp2, (vector unsigned short)vsint16_2); \
+ } while (0)
+
+ OP(0);
+ OP(1);
+ OP(2);
+ OP(3);
+ OP(4);
+ OP(5);
+ OP(6);
+ OP(7);
+#undef OP
+ }
+ }
+
+#define PACK_AND_STORE(src, i) do { \
+ const vector unsigned char perms = vec_lvsr(i * stride, src); \
+ const vector unsigned char vf = \
+ vec_packsu(v_tempBlurredAss##1, (vector signed short)zero); \
+ const vector unsigned char vg = vec_perm(vf, v_##src##A##i, permHH); \
+ const vector unsigned char mask = \
+ vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms); \
+ const vector unsigned char vg2 = vec_perm(vg, vg, perms); \
+ const vector unsigned char svA = vec_sel(v_##src##A1##i, vg2, mask); \
+ const vector unsigned char svB = vec_sel(vg2, v_##src##A2##i, mask); \
+ vec_st(svA, i * stride, src); \
+ vec_st(svB, i * stride + 16, src); \
+} while (0)
+
+ 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);
+ 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);
+#undef PACK_AND_STORE
+}
+
+static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
+ const vector unsigned char zero = vec_splat_u8(0);
+
+#define LOAD_DOUBLE_LINE(i, j) \
+ 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);
+#undef LOAD_DOUBLE_LINE
+
+ 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);
+
+ 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);
+ 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);
+
+ 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);
+ 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);
+
+ 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);
+ 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);
+}
+
+static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
+ const vector unsigned char zero = vec_splat_u8(0);
+ const vector signed char neg1 = vec_splat_s8(-1);
+
+#define LOAD_DOUBLE_LINE(i, j) \
+ 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);
+#undef LOAD_DOUBLE_LINE
+
+ 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);
+
+
+#define STORE_DOUBLE_LINE(i, j) do { \
+ vector unsigned char dstAi = vec_ld(i * stride, dst); \
+ vector unsigned char dstBi = vec_ld(i * stride + 16, dst); \
+ vector unsigned char dstAj = vec_ld(j * stride, dst); \
+ vector unsigned char dstBj = vec_ld(j * stride+ 16, dst); \
+ vector unsigned char aligni = vec_lvsr(i * stride, dst); \
+ vector unsigned char alignj = vec_lvsr(j * stride, dst); \
+ vector unsigned char maski = \
+ vec_perm(zero, (vector unsigned char)neg1, aligni); \
+ vector unsigned char maskj = \
+ vec_perm(zero, (vector unsigned char)neg1, alignj); \
+ vector unsigned char dstRi = vec_perm(temp##i, temp##i, aligni); \
+ vector unsigned char dstRj = vec_perm(temp##j, temp##j, alignj); \
+ vector unsigned char dstAFi = vec_sel(dstAi, dstRi, maski); \
+ vector unsigned char dstBFi = vec_sel(dstRi, dstBi, maski); \
+ vector unsigned char dstAFj = vec_sel(dstAj, dstRj, maskj); \
+ vector unsigned char dstBFj = vec_sel(dstRj, dstBj, maskj); \
+ vec_st(dstAFi, i * stride, dst); \
+ vec_st(dstBFi, i * stride + 16, dst); \
+ vec_st(dstAFj, j * stride, dst); \
+ vec_st(dstBFj, j * stride + 16, dst); \
+} while (0)
+
+ STORE_DOUBLE_LINE(0,1);
+ STORE_DOUBLE_LINE(2,3);
+ STORE_DOUBLE_LINE(4,5);
+ STORE_DOUBLE_LINE(6,7);
+}