mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
485 lines
16 KiB
C
485 lines
16 KiB
C
/*
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* Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "libavutil/avassert.h"
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#include "libavutil/mem.h"
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#include "libavutil/ppc/types_altivec.h"
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#include "libavutil/ppc/util_altivec.h"
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#define ASSERT_ALIGNED(ptr) av_assert2(((unsigned long)ptr&0x0000000F));
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#if HAVE_BIGENDIAN
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#define load_alignment(s, ali, pm2, pm1, pp0, pp1, pp2, pp3){\
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vec_u8 srcR1 = vec_ld(-2, s);\
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vec_u8 srcR2 = vec_ld(14, s);\
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switch (ali) {\
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default: {\
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srcM2 = vec_perm(srcR1, srcR2, pm2);\
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srcM1 = vec_perm(srcR1, srcR2, pm1);\
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srcP0 = vec_perm(srcR1, srcR2, pp0);\
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srcP1 = vec_perm(srcR1, srcR2, pp1);\
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srcP2 = vec_perm(srcR1, srcR2, pp2);\
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srcP3 = vec_perm(srcR1, srcR2, pp3);\
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} break;\
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case 11: {\
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srcM2 = vec_perm(srcR1, srcR2, pm2);\
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srcM1 = vec_perm(srcR1, srcR2, pm1);\
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srcP0 = vec_perm(srcR1, srcR2, pp0);\
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srcP1 = vec_perm(srcR1, srcR2, pp1);\
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srcP2 = vec_perm(srcR1, srcR2, pp2);\
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srcP3 = srcR2;\
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} break;\
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case 12: {\
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vec_u8 srcR3 = vec_ld(30, s);\
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srcM2 = vec_perm(srcR1, srcR2, pm2);\
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srcM1 = vec_perm(srcR1, srcR2, pm1);\
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srcP0 = vec_perm(srcR1, srcR2, pp0);\
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srcP1 = vec_perm(srcR1, srcR2, pp1);\
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srcP2 = srcR2;\
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srcP3 = vec_perm(srcR2, srcR3, pp3);\
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} break;\
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case 13: {\
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vec_u8 srcR3 = vec_ld(30, s);\
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srcM2 = vec_perm(srcR1, srcR2, pm2);\
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srcM1 = vec_perm(srcR1, srcR2, pm1);\
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srcP0 = vec_perm(srcR1, srcR2, pp0);\
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srcP1 = srcR2;\
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srcP2 = vec_perm(srcR2, srcR3, pp2);\
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srcP3 = vec_perm(srcR2, srcR3, pp3);\
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} break;\
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case 14: {\
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vec_u8 srcR3 = vec_ld(30, s);\
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srcM2 = vec_perm(srcR1, srcR2, pm2);\
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srcM1 = vec_perm(srcR1, srcR2, pm1);\
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srcP0 = srcR2;\
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srcP1 = vec_perm(srcR2, srcR3, pp1);\
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srcP2 = vec_perm(srcR2, srcR3, pp2);\
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srcP3 = vec_perm(srcR2, srcR3, pp3);\
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} break;\
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case 15: {\
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vec_u8 srcR3 = vec_ld(30, s);\
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srcM2 = vec_perm(srcR1, srcR2, pm2);\
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srcM1 = srcR2;\
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srcP0 = vec_perm(srcR2, srcR3, pp0);\
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srcP1 = vec_perm(srcR2, srcR3, pp1);\
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srcP2 = vec_perm(srcR2, srcR3, pp2);\
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srcP3 = vec_perm(srcR2, srcR3, pp3);\
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} break;\
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}\
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}
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#else
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#define load_alignment(s, ali, pm2, pm1, pp0, pp1, pp2, pp3){\
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srcM2 = vec_vsx_ld(-2, s);\
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srcM1 = vec_vsx_ld(-1, s);\
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srcP0 = vec_vsx_ld(0, s);\
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srcP1 = vec_vsx_ld(1, s);\
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srcP2 = vec_vsx_ld(2, s);\
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srcP3 = vec_vsx_ld(3, s);\
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}
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#endif /* HAVE_BIGENDIAN */
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/* this code assume stride % 16 == 0 */
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#ifdef PREFIX_h264_qpel16_h_lowpass_altivec
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static void PREFIX_h264_qpel16_h_lowpass_altivec(uint8_t *dst,
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const uint8_t *src,
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int dstStride, int srcStride)
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{
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register int i;
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LOAD_ZERO;
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vec_u8 permM2, permM1, permP0, permP1, permP2, permP3;
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const vec_s16 v5ss = vec_splat_s16(5);
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const vec_u16 v5us = vec_splat_u16(5);
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const vec_s16 v20ss = vec_sl(vec_splat_s16(5),vec_splat_u16(2));
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const vec_s16 v16ss = vec_sl(vec_splat_s16(1),vec_splat_u16(4));
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vec_u8 srcM2, srcM1, srcP0, srcP1, srcP2, srcP3;
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register int align = ((((unsigned long)src) - 2) % 16);
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vec_s16 srcP0A, srcP0B, srcP1A, srcP1B,
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srcP2A, srcP2B, srcP3A, srcP3B,
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srcM1A, srcM1B, srcM2A, srcM2B,
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sum1A, sum1B, sum2A, sum2B, sum3A, sum3B,
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pp1A, pp1B, pp2A, pp2B, pp3A, pp3B,
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psumA, psumB, sumA, sumB;
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vec_u8 sum, fsum;
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#if HAVE_BIGENDIAN
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permM2 = vec_lvsl(-2, src);
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permM1 = vec_lvsl(-1, src);
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permP0 = vec_lvsl(+0, src);
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permP1 = vec_lvsl(+1, src);
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permP2 = vec_lvsl(+2, src);
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permP3 = vec_lvsl(+3, src);
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#endif /* HAVE_BIGENDIAN */
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for (i = 0 ; i < 16 ; i ++) {
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load_alignment(src, align, permM2, permM1, permP0, permP1, permP2, permP3);
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srcP0A = (vec_s16) VEC_MERGEH(zero_u8v, srcP0);
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srcP0B = (vec_s16) VEC_MERGEL(zero_u8v, srcP0);
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srcP1A = (vec_s16) VEC_MERGEH(zero_u8v, srcP1);
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srcP1B = (vec_s16) VEC_MERGEL(zero_u8v, srcP1);
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srcP2A = (vec_s16) VEC_MERGEH(zero_u8v, srcP2);
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srcP2B = (vec_s16) VEC_MERGEL(zero_u8v, srcP2);
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srcP3A = (vec_s16) VEC_MERGEH(zero_u8v, srcP3);
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srcP3B = (vec_s16) VEC_MERGEL(zero_u8v, srcP3);
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srcM1A = (vec_s16) VEC_MERGEH(zero_u8v, srcM1);
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srcM1B = (vec_s16) VEC_MERGEL(zero_u8v, srcM1);
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srcM2A = (vec_s16) VEC_MERGEH(zero_u8v, srcM2);
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srcM2B = (vec_s16) VEC_MERGEL(zero_u8v, srcM2);
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sum1A = vec_adds(srcP0A, srcP1A);
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sum1B = vec_adds(srcP0B, srcP1B);
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sum2A = vec_adds(srcM1A, srcP2A);
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sum2B = vec_adds(srcM1B, srcP2B);
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sum3A = vec_adds(srcM2A, srcP3A);
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sum3B = vec_adds(srcM2B, srcP3B);
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pp1A = vec_mladd(sum1A, v20ss, v16ss);
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pp1B = vec_mladd(sum1B, v20ss, v16ss);
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pp2A = vec_mladd(sum2A, v5ss, zero_s16v);
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pp2B = vec_mladd(sum2B, v5ss, zero_s16v);
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pp3A = vec_add(sum3A, pp1A);
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pp3B = vec_add(sum3B, pp1B);
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psumA = vec_sub(pp3A, pp2A);
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psumB = vec_sub(pp3B, pp2B);
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sumA = vec_sra(psumA, v5us);
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sumB = vec_sra(psumB, v5us);
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sum = vec_packsu(sumA, sumB);
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ASSERT_ALIGNED(dst);
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OP_U8_ALTIVEC(fsum, sum, vec_ld(0, dst));
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vec_st(fsum, 0, dst);
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src += srcStride;
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dst += dstStride;
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}
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}
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#endif
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/* this code assume stride % 16 == 0 */
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#ifdef PREFIX_h264_qpel16_v_lowpass_altivec
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static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t *dst,
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const uint8_t *src,
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int dstStride, int srcStride)
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{
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register int i;
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LOAD_ZERO;
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vec_u8 perm;
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#if HAVE_BIGENDIAN
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perm = vec_lvsl(0, src);
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#endif
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const vec_s16 v20ss = vec_sl(vec_splat_s16(5),vec_splat_u16(2));
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const vec_u16 v5us = vec_splat_u16(5);
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const vec_s16 v5ss = vec_splat_s16(5);
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const vec_s16 v16ss = vec_sl(vec_splat_s16(1),vec_splat_u16(4));
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const uint8_t *srcbis = src - (srcStride * 2);
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const vec_u8 srcM2 = load_with_perm_vec(0, srcbis, perm);
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srcbis += srcStride;
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const vec_u8 srcM1 = load_with_perm_vec(0, srcbis, perm);
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srcbis += srcStride;
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const vec_u8 srcP0 = load_with_perm_vec(0, srcbis, perm);
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srcbis += srcStride;
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const vec_u8 srcP1 = load_with_perm_vec(0, srcbis, perm);
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srcbis += srcStride;
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const vec_u8 srcP2 = load_with_perm_vec(0, srcbis, perm);
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srcbis += srcStride;
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vec_s16 srcM2ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcM2);
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vec_s16 srcM2ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcM2);
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vec_s16 srcM1ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcM1);
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vec_s16 srcM1ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcM1);
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vec_s16 srcP0ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcP0);
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vec_s16 srcP0ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcP0);
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vec_s16 srcP1ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcP1);
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vec_s16 srcP1ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcP1);
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vec_s16 srcP2ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcP2);
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vec_s16 srcP2ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcP2);
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vec_s16 pp1A, pp1B, pp2A, pp2B, pp3A, pp3B,
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psumA, psumB, sumA, sumB,
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srcP3ssA, srcP3ssB,
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sum1A, sum1B, sum2A, sum2B, sum3A, sum3B;
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vec_u8 sum, fsum, srcP3;
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for (i = 0 ; i < 16 ; i++) {
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srcP3 = load_with_perm_vec(0, srcbis, perm);
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srcbis += srcStride;
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srcP3ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcP3);
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srcP3ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcP3);
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sum1A = vec_adds(srcP0ssA, srcP1ssA);
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sum1B = vec_adds(srcP0ssB, srcP1ssB);
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sum2A = vec_adds(srcM1ssA, srcP2ssA);
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sum2B = vec_adds(srcM1ssB, srcP2ssB);
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sum3A = vec_adds(srcM2ssA, srcP3ssA);
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sum3B = vec_adds(srcM2ssB, srcP3ssB);
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srcM2ssA = srcM1ssA;
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srcM2ssB = srcM1ssB;
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srcM1ssA = srcP0ssA;
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srcM1ssB = srcP0ssB;
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srcP0ssA = srcP1ssA;
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srcP0ssB = srcP1ssB;
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srcP1ssA = srcP2ssA;
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srcP1ssB = srcP2ssB;
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srcP2ssA = srcP3ssA;
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srcP2ssB = srcP3ssB;
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pp1A = vec_mladd(sum1A, v20ss, v16ss);
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pp1B = vec_mladd(sum1B, v20ss, v16ss);
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pp2A = vec_mladd(sum2A, v5ss, zero_s16v);
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pp2B = vec_mladd(sum2B, v5ss, zero_s16v);
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pp3A = vec_add(sum3A, pp1A);
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pp3B = vec_add(sum3B, pp1B);
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psumA = vec_sub(pp3A, pp2A);
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psumB = vec_sub(pp3B, pp2B);
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sumA = vec_sra(psumA, v5us);
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sumB = vec_sra(psumB, v5us);
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sum = vec_packsu(sumA, sumB);
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ASSERT_ALIGNED(dst);
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OP_U8_ALTIVEC(fsum, sum, vec_ld(0, dst));
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vec_st(fsum, 0, dst);
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dst += dstStride;
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}
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}
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#endif
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/* this code assume stride % 16 == 0 *and* tmp is properly aligned */
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#ifdef PREFIX_h264_qpel16_hv_lowpass_altivec
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static void PREFIX_h264_qpel16_hv_lowpass_altivec(uint8_t *dst, int16_t *tmp,
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const uint8_t *src,
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int dstStride, int tmpStride,
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int srcStride)
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{
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register int i;
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LOAD_ZERO;
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vec_u8 permM2, permM1, permP0, permP1, permP2, permP3;
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const vec_s16 v20ss = vec_sl(vec_splat_s16(5),vec_splat_u16(2));
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const vec_u32 v10ui = vec_splat_u32(10);
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const vec_s16 v5ss = vec_splat_s16(5);
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const vec_s16 v1ss = vec_splat_s16(1);
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const vec_s32 v512si = vec_sl(vec_splat_s32(1),vec_splat_u32(9));
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const vec_u32 v16ui = vec_sl(vec_splat_u32(1),vec_splat_u32(4));
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register int align = ((((unsigned long)src) - 2) % 16);
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vec_s16 srcP0A, srcP0B, srcP1A, srcP1B,
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srcP2A, srcP2B, srcP3A, srcP3B,
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srcM1A, srcM1B, srcM2A, srcM2B,
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sum1A, sum1B, sum2A, sum2B, sum3A, sum3B,
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pp1A, pp1B, pp2A, pp2B, psumA, psumB;
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const vec_u8 mperm = (const vec_u8)
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{0x00, 0x08, 0x01, 0x09, 0x02, 0x0A, 0x03, 0x0B,
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0x04, 0x0C, 0x05, 0x0D, 0x06, 0x0E, 0x07, 0x0F};
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int16_t *tmpbis = tmp;
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vec_s16 tmpM1ssA, tmpM1ssB, tmpM2ssA, tmpM2ssB,
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tmpP0ssA, tmpP0ssB, tmpP1ssA, tmpP1ssB,
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tmpP2ssA, tmpP2ssB;
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vec_s32 pp1Ae, pp1Ao, pp1Be, pp1Bo, pp2Ae, pp2Ao, pp2Be, pp2Bo,
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pp3Ae, pp3Ao, pp3Be, pp3Bo, pp1cAe, pp1cAo, pp1cBe, pp1cBo,
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pp32Ae, pp32Ao, pp32Be, pp32Bo, sumAe, sumAo, sumBe, sumBo,
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ssumAe, ssumAo, ssumBe, ssumBo;
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vec_u8 fsum, sumv, sum;
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vec_s16 ssume, ssumo;
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#if HAVE_BIGENDIAN
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permM2 = vec_lvsl(-2, src);
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permM1 = vec_lvsl(-1, src);
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permP0 = vec_lvsl(+0, src);
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permP1 = vec_lvsl(+1, src);
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permP2 = vec_lvsl(+2, src);
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permP3 = vec_lvsl(+3, src);
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#endif /* HAVE_BIGENDIAN */
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src -= (2 * srcStride);
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for (i = 0 ; i < 21 ; i ++) {
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vec_u8 srcM2, srcM1, srcP0, srcP1, srcP2, srcP3;
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load_alignment(src, align, permM2, permM1, permP0, permP1, permP2, permP3);
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srcP0A = (vec_s16) VEC_MERGEH(zero_u8v, srcP0);
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srcP0B = (vec_s16) VEC_MERGEL(zero_u8v, srcP0);
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srcP1A = (vec_s16) VEC_MERGEH(zero_u8v, srcP1);
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srcP1B = (vec_s16) VEC_MERGEL(zero_u8v, srcP1);
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srcP2A = (vec_s16) VEC_MERGEH(zero_u8v, srcP2);
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srcP2B = (vec_s16) VEC_MERGEL(zero_u8v, srcP2);
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srcP3A = (vec_s16) VEC_MERGEH(zero_u8v, srcP3);
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srcP3B = (vec_s16) VEC_MERGEL(zero_u8v, srcP3);
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srcM1A = (vec_s16) VEC_MERGEH(zero_u8v, srcM1);
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srcM1B = (vec_s16) VEC_MERGEL(zero_u8v, srcM1);
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srcM2A = (vec_s16) VEC_MERGEH(zero_u8v, srcM2);
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srcM2B = (vec_s16) VEC_MERGEL(zero_u8v, srcM2);
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sum1A = vec_adds(srcP0A, srcP1A);
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sum1B = vec_adds(srcP0B, srcP1B);
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sum2A = vec_adds(srcM1A, srcP2A);
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sum2B = vec_adds(srcM1B, srcP2B);
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sum3A = vec_adds(srcM2A, srcP3A);
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sum3B = vec_adds(srcM2B, srcP3B);
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pp1A = vec_mladd(sum1A, v20ss, sum3A);
|
|
pp1B = vec_mladd(sum1B, v20ss, sum3B);
|
|
|
|
pp2A = vec_mladd(sum2A, v5ss, zero_s16v);
|
|
pp2B = vec_mladd(sum2B, v5ss, zero_s16v);
|
|
|
|
psumA = vec_sub(pp1A, pp2A);
|
|
psumB = vec_sub(pp1B, pp2B);
|
|
|
|
vec_st(psumA, 0, tmp);
|
|
vec_st(psumB, 16, tmp);
|
|
|
|
src += srcStride;
|
|
tmp += tmpStride; /* int16_t*, and stride is 16, so it's OK here */
|
|
}
|
|
|
|
tmpM2ssA = vec_ld(0, tmpbis);
|
|
tmpM2ssB = vec_ld(16, tmpbis);
|
|
tmpbis += tmpStride;
|
|
tmpM1ssA = vec_ld(0, tmpbis);
|
|
tmpM1ssB = vec_ld(16, tmpbis);
|
|
tmpbis += tmpStride;
|
|
tmpP0ssA = vec_ld(0, tmpbis);
|
|
tmpP0ssB = vec_ld(16, tmpbis);
|
|
tmpbis += tmpStride;
|
|
tmpP1ssA = vec_ld(0, tmpbis);
|
|
tmpP1ssB = vec_ld(16, tmpbis);
|
|
tmpbis += tmpStride;
|
|
tmpP2ssA = vec_ld(0, tmpbis);
|
|
tmpP2ssB = vec_ld(16, tmpbis);
|
|
tmpbis += tmpStride;
|
|
|
|
for (i = 0 ; i < 16 ; i++) {
|
|
const vec_s16 tmpP3ssA = vec_ld(0, tmpbis);
|
|
const vec_s16 tmpP3ssB = vec_ld(16, tmpbis);
|
|
|
|
const vec_s16 sum1A = vec_adds(tmpP0ssA, tmpP1ssA);
|
|
const vec_s16 sum1B = vec_adds(tmpP0ssB, tmpP1ssB);
|
|
const vec_s16 sum2A = vec_adds(tmpM1ssA, tmpP2ssA);
|
|
const vec_s16 sum2B = vec_adds(tmpM1ssB, tmpP2ssB);
|
|
vec_s16 sum3A = vec_adds(tmpM2ssA, tmpP3ssA);
|
|
vec_s16 sum3B = vec_adds(tmpM2ssB, tmpP3ssB);
|
|
|
|
tmpbis += tmpStride;
|
|
|
|
tmpM2ssA = tmpM1ssA;
|
|
tmpM2ssB = tmpM1ssB;
|
|
tmpM1ssA = tmpP0ssA;
|
|
tmpM1ssB = tmpP0ssB;
|
|
tmpP0ssA = tmpP1ssA;
|
|
tmpP0ssB = tmpP1ssB;
|
|
tmpP1ssA = tmpP2ssA;
|
|
tmpP1ssB = tmpP2ssB;
|
|
tmpP2ssA = tmpP3ssA;
|
|
tmpP2ssB = tmpP3ssB;
|
|
|
|
pp1Ae = vec_mule(sum1A, v20ss);
|
|
pp1Ao = vec_mulo(sum1A, v20ss);
|
|
pp1Be = vec_mule(sum1B, v20ss);
|
|
pp1Bo = vec_mulo(sum1B, v20ss);
|
|
|
|
pp2Ae = vec_mule(sum2A, v5ss);
|
|
pp2Ao = vec_mulo(sum2A, v5ss);
|
|
pp2Be = vec_mule(sum2B, v5ss);
|
|
pp2Bo = vec_mulo(sum2B, v5ss);
|
|
|
|
pp3Ao = vec_mulo(sum3A, v1ss);
|
|
pp3Bo = vec_mulo(sum3B, v1ss);
|
|
#if !HAVE_BIGENDIAN
|
|
sum3A = (vec_s16)vec_perm(sum3A, sum3A,vcswapi2s(0,1,2,3));
|
|
sum3B = (vec_s16)vec_perm(sum3B, sum3B,vcswapi2s(0,1,2,3));
|
|
#endif
|
|
pp3Ae = vec_sra((vec_s32)sum3A, v16ui);
|
|
pp3Be = vec_sra((vec_s32)sum3B, v16ui);
|
|
|
|
pp1cAe = vec_add(pp1Ae, v512si);
|
|
pp1cAo = vec_add(pp1Ao, v512si);
|
|
pp1cBe = vec_add(pp1Be, v512si);
|
|
pp1cBo = vec_add(pp1Bo, v512si);
|
|
|
|
pp32Ae = vec_sub(pp3Ae, pp2Ae);
|
|
pp32Ao = vec_sub(pp3Ao, pp2Ao);
|
|
pp32Be = vec_sub(pp3Be, pp2Be);
|
|
pp32Bo = vec_sub(pp3Bo, pp2Bo);
|
|
|
|
sumAe = vec_add(pp1cAe, pp32Ae);
|
|
sumAo = vec_add(pp1cAo, pp32Ao);
|
|
sumBe = vec_add(pp1cBe, pp32Be);
|
|
sumBo = vec_add(pp1cBo, pp32Bo);
|
|
|
|
ssumAe = vec_sra(sumAe, v10ui);
|
|
ssumAo = vec_sra(sumAo, v10ui);
|
|
ssumBe = vec_sra(sumBe, v10ui);
|
|
ssumBo = vec_sra(sumBo, v10ui);
|
|
|
|
ssume = vec_packs(ssumAe, ssumBe);
|
|
ssumo = vec_packs(ssumAo, ssumBo);
|
|
|
|
sumv = vec_packsu(ssume, ssumo);
|
|
sum = vec_perm(sumv, sumv, mperm);
|
|
|
|
ASSERT_ALIGNED(dst);
|
|
|
|
OP_U8_ALTIVEC(fsum, sum, vec_ld(0, dst));
|
|
|
|
vec_st(fsum, 0, dst);
|
|
|
|
dst += dstStride;
|
|
}
|
|
}
|
|
#endif
|