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- /*****************************************************************************
- * dct.c: ppc transform and zigzag
- *****************************************************************************
- * Copyright (C) 2003-2018 x264 project
- *
- * Authors: Guillaume Poirier <gpoirier@mplayerhq.hu>
- * Eric Petit <eric.petit@lapsus.org>
- *
- * This program 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.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
- *
- * This program is also available under a commercial proprietary license.
- * For more information, contact us at licensing@x264.com.
- *****************************************************************************/
- #include "common/common.h"
- #include "ppccommon.h"
- #include "dct.h"
- #if !HIGH_BIT_DEPTH
- #define VEC_DCT(a0,a1,a2,a3,b0,b1,b2,b3) \
- b1 = vec_add( a0, a3 ); \
- b3 = vec_add( a1, a2 ); \
- b0 = vec_add( b1, b3 ); \
- b2 = vec_sub( b1, b3 ); \
- a0 = vec_sub( a0, a3 ); \
- a1 = vec_sub( a1, a2 ); \
- b1 = vec_add( a0, a0 ); \
- b1 = vec_add( b1, a1 ); \
- b3 = vec_sub( a0, a1 ); \
- b3 = vec_sub( b3, a1 )
- void x264_sub4x4_dct_altivec( int16_t dct[16], uint8_t *pix1, uint8_t *pix2 )
- {
- PREP_DIFF_8BYTEALIGNED;
- vec_s16_t dct0v, dct1v, dct2v, dct3v;
- vec_s16_t tmp0v, tmp1v, tmp2v, tmp3v;
- vec_u8_t permHighv;
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct0v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct1v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct2v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct3v );
- VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
- VEC_TRANSPOSE_4( tmp0v, tmp1v, tmp2v, tmp3v,
- dct0v, dct1v, dct2v, dct3v );
- permHighv = (vec_u8_t) CV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17);
- VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
- vec_st(vec_perm(tmp0v, tmp1v, permHighv), 0, dct);
- vec_st(vec_perm(tmp2v, tmp3v, permHighv), 16, dct);
- }
- void x264_sub8x8_dct_altivec( int16_t dct[4][16], uint8_t *pix1, uint8_t *pix2 )
- {
- PREP_DIFF_8BYTEALIGNED;
- vec_s16_t dct0v, dct1v, dct2v, dct3v, dct4v, dct5v, dct6v, dct7v;
- vec_s16_t tmp0v, tmp1v, tmp2v, tmp3v, tmp4v, tmp5v, tmp6v, tmp7v;
- vec_u8_t permHighv, permLowv;
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct0v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct1v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct2v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct3v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct4v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct5v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct6v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct7v );
- VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
- VEC_DCT( dct4v, dct5v, dct6v, dct7v, tmp4v, tmp5v, tmp6v, tmp7v );
- VEC_TRANSPOSE_8( tmp0v, tmp1v, tmp2v, tmp3v,
- tmp4v, tmp5v, tmp6v, tmp7v,
- dct0v, dct1v, dct2v, dct3v,
- dct4v, dct5v, dct6v, dct7v );
- permHighv = (vec_u8_t) CV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17);
- permLowv = (vec_u8_t) CV(0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
- VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
- VEC_DCT( dct4v, dct5v, dct6v, dct7v, tmp4v, tmp5v, tmp6v, tmp7v );
- vec_st(vec_perm(tmp0v, tmp1v, permHighv), 0, *dct);
- vec_st(vec_perm(tmp2v, tmp3v, permHighv), 16, *dct);
- vec_st(vec_perm(tmp4v, tmp5v, permHighv), 32, *dct);
- vec_st(vec_perm(tmp6v, tmp7v, permHighv), 48, *dct);
- vec_st(vec_perm(tmp0v, tmp1v, permLowv), 64, *dct);
- vec_st(vec_perm(tmp2v, tmp3v, permLowv), 80, *dct);
- vec_st(vec_perm(tmp4v, tmp5v, permLowv), 96, *dct);
- vec_st(vec_perm(tmp6v, tmp7v, permLowv), 112, *dct);
- }
- void x264_sub16x16_dct_altivec( int16_t dct[16][16], uint8_t *pix1, uint8_t *pix2 )
- {
- x264_sub8x8_dct_altivec( &dct[ 0], &pix1[0], &pix2[0] );
- x264_sub8x8_dct_altivec( &dct[ 4], &pix1[8], &pix2[8] );
- x264_sub8x8_dct_altivec( &dct[ 8], &pix1[8*FENC_STRIDE+0], &pix2[8*FDEC_STRIDE+0] );
- x264_sub8x8_dct_altivec( &dct[12], &pix1[8*FENC_STRIDE+8], &pix2[8*FDEC_STRIDE+8] );
- }
- /***************************************************************************
- * 8x8 transform:
- ***************************************************************************/
- static void pix_diff( uint8_t *p1, uint8_t *p2, vec_s16_t *diff, int i )
- {
- vec_s16_t pix1v, pix2v, tmp[4];
- vec_u8_t pix1v8, pix2v8;
- LOAD_ZERO;
- for( int j = 0; j < 4; j++ )
- {
- pix1v8 = vec_vsx_ld( 0, p1 );
- pix2v8 = vec_vsx_ld( 0, p2 );
- pix1v = vec_u8_to_s16_h( pix1v8 );
- pix2v = vec_u8_to_s16_h( pix2v8 );
- tmp[j] = vec_sub( pix1v, pix2v );
- p1 += FENC_STRIDE;
- p2 += FDEC_STRIDE;
- }
- diff[i] = vec_add( tmp[0], tmp[1] );
- diff[i] = vec_add( diff[i], tmp[2] );
- diff[i] = vec_add( diff[i], tmp[3] );
- }
- void x264_sub8x8_dct_dc_altivec( int16_t dct[4], uint8_t *pix1, uint8_t *pix2 )
- {
- vec_s16_t diff[2], tmp;
- vec_s32_t sum[2];
- vec_s32_t zero32 = vec_splat_s32(0);
- vec_u8_t mask = { 0x00, 0x01, 0x00, 0x01, 0x04, 0x05, 0x04, 0x05,
- 0x02, 0x03, 0x02, 0x03, 0x06, 0x07, 0x06, 0x07 };
- pix_diff( &pix1[0], &pix2[0], diff, 0 );
- pix_diff( &pix1[4*FENC_STRIDE], &pix2[4*FDEC_STRIDE], diff, 1 );
- sum[0] = vec_sum4s( diff[0], zero32 );
- sum[1] = vec_sum4s( diff[1], zero32 );
- diff[0] = vec_packs( sum[0], sum[1] );
- sum[0] = vec_sum4s( diff[0], zero32 );
- diff[0] = vec_packs( sum[0], zero32 );
- diff[0] = vec_perm( diff[0], diff[0], mask ); // 0 0 2 2 1 1 3 3
- tmp = xxpermdi( diff[0], diff[0], 2 ); // 1 1 3 3 0 0 2 2
- diff[1] = vec_add( diff[0], tmp ); // 0+1 0+1 2+3 2+3
- diff[0] = vec_sub( diff[0], tmp ); // 0-1 0-1 2-3 2-3
- tmp = vec_mergeh( diff[1], diff[0] ); // 0+1 0-1 0+1 0-1 2+3 2-3 2+3 2-3
- diff[0] = xxpermdi( tmp, tmp, 2 ); // 2+3 2-3 2+3 2-3
- diff[1] = vec_add( tmp, diff[0] ); // 0+1+2+3 0-1+2+3
- diff[0] = vec_sub( tmp, diff[0] ); // 0+1-2-3 0-1-2+3
- diff[0] = vec_mergeh( diff[1], diff[0] );
- diff[1] = vec_ld( 0, dct );
- diff[0] = xxpermdi( diff[0], diff[1], 0 );
- vec_st( diff[0], 0, dct );
- }
- /* DCT8_1D unrolled by 8 in Altivec */
- #define DCT8_1D_ALTIVEC( dct0v, dct1v, dct2v, dct3v, dct4v, dct5v, dct6v, dct7v ) \
- { \
- /* int s07 = SRC(0) + SRC(7); */ \
- vec_s16_t s07v = vec_add( dct0v, dct7v); \
- /* int s16 = SRC(1) + SRC(6); */ \
- vec_s16_t s16v = vec_add( dct1v, dct6v); \
- /* int s25 = SRC(2) + SRC(5); */ \
- vec_s16_t s25v = vec_add( dct2v, dct5v); \
- /* int s34 = SRC(3) + SRC(4); */ \
- vec_s16_t s34v = vec_add( dct3v, dct4v); \
- \
- /* int a0 = s07 + s34; */ \
- vec_s16_t a0v = vec_add(s07v, s34v); \
- /* int a1 = s16 + s25; */ \
- vec_s16_t a1v = vec_add(s16v, s25v); \
- /* int a2 = s07 - s34; */ \
- vec_s16_t a2v = vec_sub(s07v, s34v); \
- /* int a3 = s16 - s25; */ \
- vec_s16_t a3v = vec_sub(s16v, s25v); \
- \
- /* int d07 = SRC(0) - SRC(7); */ \
- vec_s16_t d07v = vec_sub( dct0v, dct7v); \
- /* int d16 = SRC(1) - SRC(6); */ \
- vec_s16_t d16v = vec_sub( dct1v, dct6v); \
- /* int d25 = SRC(2) - SRC(5); */ \
- vec_s16_t d25v = vec_sub( dct2v, dct5v); \
- /* int d34 = SRC(3) - SRC(4); */ \
- vec_s16_t d34v = vec_sub( dct3v, dct4v); \
- \
- /* int a4 = d16 + d25 + (d07 + (d07>>1)); */ \
- vec_s16_t a4v = vec_add( vec_add(d16v, d25v), vec_add(d07v, vec_sra(d07v, onev)) );\
- /* int a5 = d07 - d34 - (d25 + (d25>>1)); */ \
- vec_s16_t a5v = vec_sub( vec_sub(d07v, d34v), vec_add(d25v, vec_sra(d25v, onev)) );\
- /* int a6 = d07 + d34 - (d16 + (d16>>1)); */ \
- vec_s16_t a6v = vec_sub( vec_add(d07v, d34v), vec_add(d16v, vec_sra(d16v, onev)) );\
- /* int a7 = d16 - d25 + (d34 + (d34>>1)); */ \
- vec_s16_t a7v = vec_add( vec_sub(d16v, d25v), vec_add(d34v, vec_sra(d34v, onev)) );\
- \
- /* DST(0) = a0 + a1; */ \
- dct0v = vec_add( a0v, a1v ); \
- /* DST(1) = a4 + (a7>>2); */ \
- dct1v = vec_add( a4v, vec_sra(a7v, twov) ); \
- /* DST(2) = a2 + (a3>>1); */ \
- dct2v = vec_add( a2v, vec_sra(a3v, onev) ); \
- /* DST(3) = a5 + (a6>>2); */ \
- dct3v = vec_add( a5v, vec_sra(a6v, twov) ); \
- /* DST(4) = a0 - a1; */ \
- dct4v = vec_sub( a0v, a1v ); \
- /* DST(5) = a6 - (a5>>2); */ \
- dct5v = vec_sub( a6v, vec_sra(a5v, twov) ); \
- /* DST(6) = (a2>>1) - a3 ; */ \
- dct6v = vec_sub( vec_sra(a2v, onev), a3v ); \
- /* DST(7) = (a4>>2) - a7 ; */ \
- dct7v = vec_sub( vec_sra(a4v, twov), a7v ); \
- }
- void x264_sub8x8_dct8_altivec( int16_t dct[64], uint8_t *pix1, uint8_t *pix2 )
- {
- vec_u16_t onev = vec_splat_u16(1);
- vec_u16_t twov = vec_add( onev, onev );
- PREP_DIFF_8BYTEALIGNED;
- vec_s16_t dct0v, dct1v, dct2v, dct3v,
- dct4v, dct5v, dct6v, dct7v;
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct0v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct1v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct2v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct3v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct4v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct5v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct6v );
- VEC_DIFF_H_8BYTE_ALIGNED( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct7v );
- DCT8_1D_ALTIVEC( dct0v, dct1v, dct2v, dct3v,
- dct4v, dct5v, dct6v, dct7v );
- vec_s16_t dct_tr0v, dct_tr1v, dct_tr2v, dct_tr3v,
- dct_tr4v, dct_tr5v, dct_tr6v, dct_tr7v;
- VEC_TRANSPOSE_8(dct0v, dct1v, dct2v, dct3v,
- dct4v, dct5v, dct6v, dct7v,
- dct_tr0v, dct_tr1v, dct_tr2v, dct_tr3v,
- dct_tr4v, dct_tr5v, dct_tr6v, dct_tr7v );
- DCT8_1D_ALTIVEC( dct_tr0v, dct_tr1v, dct_tr2v, dct_tr3v,
- dct_tr4v, dct_tr5v, dct_tr6v, dct_tr7v );
- vec_st( dct_tr0v, 0, dct );
- vec_st( dct_tr1v, 16, dct );
- vec_st( dct_tr2v, 32, dct );
- vec_st( dct_tr3v, 48, dct );
- vec_st( dct_tr4v, 64, dct );
- vec_st( dct_tr5v, 80, dct );
- vec_st( dct_tr6v, 96, dct );
- vec_st( dct_tr7v, 112, dct );
- }
- void x264_sub16x16_dct8_altivec( int16_t dct[4][64], uint8_t *pix1, uint8_t *pix2 )
- {
- x264_sub8x8_dct8_altivec( dct[0], &pix1[0], &pix2[0] );
- x264_sub8x8_dct8_altivec( dct[1], &pix1[8], &pix2[8] );
- x264_sub8x8_dct8_altivec( dct[2], &pix1[8*FENC_STRIDE+0], &pix2[8*FDEC_STRIDE+0] );
- x264_sub8x8_dct8_altivec( dct[3], &pix1[8*FENC_STRIDE+8], &pix2[8*FDEC_STRIDE+8] );
- }
- /****************************************************************************
- * IDCT transform:
- ****************************************************************************/
- #define ALTIVEC_STORE8_DC_SUM_CLIP(dest, dcv) \
- { \
- /* unaligned load */ \
- vec_u8_t dstv = vec_vsx_ld( 0, dest ); \
- vec_s16_t dcvsum = vec_adds( dcv, vec_u8_to_s16_h( dstv ) ); \
- vec_u8_t dcvsum8 = vec_packsu( dcvsum, vec_u8_to_s16_l( dstv ) ); \
- /* unaligned store */ \
- vec_vsx_st( dcvsum8, 0, dest ); \
- }
- void x264_add8x8_idct_dc_altivec( uint8_t *p_dst, int16_t dct[4] )
- {
- vec_s16_t dcv0, dcv1;
- vec_s16_t v32 = vec_sl( vec_splat_s16( 8 ), vec_splat_u16( 2 ) );
- vec_u16_t v6 = vec_splat_u16( 6 );
- vec_s16_t dctv = vec_ld( 0, dct );
- vec_u8_t dstv0, dstv1, dstv2, dstv3, dstv4, dstv5, dstv6, dstv7;
- vec_s16_t dcvsum0, dcvsum1, dcvsum2, dcvsum3, dcvsum4, dcvsum5, dcvsum6, dcvsum7;
- vec_u8_t dcvsum8_0, dcvsum8_1, dcvsum8_2, dcvsum8_3, dcvsum8_4, dcvsum8_5, dcvsum8_6, dcvsum8_7;
- LOAD_ZERO;
- dctv = vec_sra( vec_add( dctv, v32 ), v6 );
- dcv1 = (vec_s16_t)vec_mergeh( dctv, dctv );
- dcv0 = (vec_s16_t)vec_mergeh( (vec_s32_t)dcv1, (vec_s32_t)dcv1 );
- dcv1 = (vec_s16_t)vec_mergel( (vec_s32_t)dcv1, (vec_s32_t)dcv1 );
- dstv0 = vec_vsx_ld( 0, p_dst );
- dstv4 = vec_vsx_ld( 0, p_dst + 4*FDEC_STRIDE );
- dstv1 = vec_vsx_ld( 0, p_dst + 1*FDEC_STRIDE );
- dstv5 = vec_vsx_ld( 0, p_dst + 4*FDEC_STRIDE + 1*FDEC_STRIDE );
- dstv2 = vec_vsx_ld( 0, p_dst + 2*FDEC_STRIDE);
- dstv6 = vec_vsx_ld( 0, p_dst + 4*FDEC_STRIDE + 2*FDEC_STRIDE );
- dstv3 = vec_vsx_ld( 0, p_dst + 3*FDEC_STRIDE);
- dstv7 = vec_vsx_ld( 0, p_dst + 4*FDEC_STRIDE + 3*FDEC_STRIDE );
- vec_s16_t s0 = vec_u8_to_s16_h( dstv0 );
- vec_s16_t s1 = vec_u8_to_s16_h( dstv4 );
- vec_s16_t s2 = vec_u8_to_s16_h( dstv1 );
- vec_s16_t s3 = vec_u8_to_s16_h( dstv5 );
- vec_s16_t s4 = vec_u8_to_s16_h( dstv2 );
- vec_s16_t s5 = vec_u8_to_s16_h( dstv6 );
- vec_s16_t s6 = vec_u8_to_s16_h( dstv3 );
- vec_s16_t s7 = vec_u8_to_s16_h( dstv7 );
- dcvsum0 = vec_adds( dcv0, s0 );
- dcvsum4 = vec_adds( dcv1, s1 );
- dcvsum1 = vec_adds( dcv0, s2 );
- dcvsum5 = vec_adds( dcv1, s3 );
- dcvsum2 = vec_adds( dcv0, s4 );
- dcvsum6 = vec_adds( dcv1, s5 );
- dcvsum3 = vec_adds( dcv0, s6 );
- dcvsum7 = vec_adds( dcv1, s7 );
- dcvsum8_0 = vec_packsu( dcvsum0, vec_u8_to_s16_l( dstv0 ) );
- dcvsum8_1 = vec_packsu( dcvsum1, vec_u8_to_s16_l( dstv1 ) );
- dcvsum8_2 = vec_packsu( dcvsum2, vec_u8_to_s16_l( dstv2 ) );
- dcvsum8_3 = vec_packsu( dcvsum3, vec_u8_to_s16_l( dstv3 ) );
- dcvsum8_4 = vec_packsu( dcvsum4, vec_u8_to_s16_l( dstv4 ) );
- dcvsum8_5 = vec_packsu( dcvsum5, vec_u8_to_s16_l( dstv5 ) );
- dcvsum8_6 = vec_packsu( dcvsum6, vec_u8_to_s16_l( dstv6 ) );
- dcvsum8_7 = vec_packsu( dcvsum7, vec_u8_to_s16_l( dstv7 ) );
- vec_vsx_st( dcvsum8_0, 0, p_dst );
- vec_vsx_st( dcvsum8_4, 0, p_dst + 4*FDEC_STRIDE );
- vec_vsx_st( dcvsum8_1, 0, p_dst + 1*FDEC_STRIDE );
- vec_vsx_st( dcvsum8_5, 0, p_dst + 4*FDEC_STRIDE + 1*FDEC_STRIDE );
- vec_vsx_st( dcvsum8_2, 0, p_dst + 2*FDEC_STRIDE );
- vec_vsx_st( dcvsum8_6, 0, p_dst + 4*FDEC_STRIDE + 2*FDEC_STRIDE );
- vec_vsx_st( dcvsum8_3, 0, p_dst + 3*FDEC_STRIDE );
- vec_vsx_st( dcvsum8_7, 0, p_dst + 4*FDEC_STRIDE + 3*FDEC_STRIDE );
- }
- #define LOAD16 \
- dstv0 = vec_ld( 0, p_dst ); \
- dstv1 = vec_ld( 0, p_dst + 1*FDEC_STRIDE ); \
- dstv2 = vec_ld( 0, p_dst + 2*FDEC_STRIDE ); \
- dstv3 = vec_ld( 0, p_dst + 3*FDEC_STRIDE );
- #define SUM16 \
- dcvsum0 = vec_adds( dcv0, vec_u8_to_s16_h( dstv0 ) ); \
- dcvsum4 = vec_adds( dcv1, vec_u8_to_s16_l( dstv0 ) ); \
- dcvsum1 = vec_adds( dcv0, vec_u8_to_s16_h( dstv1 ) ); \
- dcvsum5 = vec_adds( dcv1, vec_u8_to_s16_l( dstv1 ) ); \
- dcvsum2 = vec_adds( dcv0, vec_u8_to_s16_h( dstv2 ) ); \
- dcvsum6 = vec_adds( dcv1, vec_u8_to_s16_l( dstv2 ) ); \
- dcvsum3 = vec_adds( dcv0, vec_u8_to_s16_h( dstv3 ) ); \
- dcvsum7 = vec_adds( dcv1, vec_u8_to_s16_l( dstv3 ) ); \
- dcvsum8_0 = vec_packsu( dcvsum0, dcvsum4 ); \
- dcvsum8_1 = vec_packsu( dcvsum1, dcvsum5 ); \
- dcvsum8_2 = vec_packsu( dcvsum2, dcvsum6 ); \
- dcvsum8_3 = vec_packsu( dcvsum3, dcvsum7 );
- #define STORE16 \
- vec_st( dcvsum8_0, 0, p_dst ); \
- vec_st( dcvsum8_1, 0, p_dst + 1*FDEC_STRIDE ); \
- vec_st( dcvsum8_2, 0, p_dst + 2*FDEC_STRIDE ); \
- vec_st( dcvsum8_3, 0, p_dst + 3*FDEC_STRIDE );
- void x264_add16x16_idct_dc_altivec( uint8_t *p_dst, int16_t dct[16] )
- {
- vec_s16_t dcv0, dcv1;
- vec_s16_t v32 = vec_sl( vec_splat_s16( 8 ), vec_splat_u16( 2 ) );
- vec_u16_t v6 = vec_splat_u16( 6 );
- vec_u8_t dstv0, dstv1, dstv2, dstv3;
- vec_s16_t dcvsum0, dcvsum1, dcvsum2, dcvsum3, dcvsum4, dcvsum5, dcvsum6, dcvsum7;
- vec_u8_t dcvsum8_0, dcvsum8_1, dcvsum8_2, dcvsum8_3;
- LOAD_ZERO;
- for( int i = 0; i < 2; i++ )
- {
- vec_s16_t dctv = vec_ld( 0, dct );
- dctv = vec_sra( vec_add( dctv, v32 ), v6 );
- dcv1 = (vec_s16_t)vec_mergeh( dctv, dctv );
- dcv0 = (vec_s16_t)vec_mergeh( (vec_s32_t)dcv1, (vec_s32_t)dcv1 );
- dcv1 = (vec_s16_t)vec_mergel( (vec_s32_t)dcv1, (vec_s32_t)dcv1 );
- LOAD16;
- SUM16;
- STORE16;
- p_dst += 4*FDEC_STRIDE;
- dcv1 = (vec_s16_t)vec_mergel( dctv, dctv );
- dcv0 = (vec_s16_t)vec_mergeh( (vec_s32_t)dcv1, (vec_s32_t)dcv1 );
- dcv1 = (vec_s16_t)vec_mergel( (vec_s32_t)dcv1, (vec_s32_t)dcv1 );
- LOAD16;
- SUM16;
- STORE16;
- dct += 8;
- p_dst += 4*FDEC_STRIDE;
- }
- }
- #define IDCT_1D_ALTIVEC(s0, s1, s2, s3, d0, d1, d2, d3) \
- { \
- /* a0 = SRC(0) + SRC(2); */ \
- vec_s16_t a0v = vec_add(s0, s2); \
- /* a1 = SRC(0) - SRC(2); */ \
- vec_s16_t a1v = vec_sub(s0, s2); \
- /* a2 = (SRC(1)>>1) - SRC(3); */ \
- vec_s16_t a2v = vec_sub(vec_sra(s1, onev), s3); \
- /* a3 = (SRC(3)>>1) + SRC(1); */ \
- vec_s16_t a3v = vec_add(vec_sra(s3, onev), s1); \
- /* DST(0, a0 + a3); */ \
- d0 = vec_add(a0v, a3v); \
- /* DST(1, a1 + a2); */ \
- d1 = vec_add(a1v, a2v); \
- /* DST(2, a1 - a2); */ \
- d2 = vec_sub(a1v, a2v); \
- /* DST(3, a0 - a3); */ \
- d3 = vec_sub(a0v, a3v); \
- }
- #define VEC_LOAD_U8_ADD_S16_STORE_U8(va) \
- vdst_orig = vec_ld(0, dst); \
- vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); \
- vdst_ss = (vec_s16_t)vec_mergeh(zero_u8v, vdst); \
- va = vec_add(va, vdst_ss); \
- va_u8 = vec_s16_to_u8(va); \
- va_u32 = vec_splat((vec_u32_t)va_u8, 0); \
- vec_ste(va_u32, element, (uint32_t*)dst);
- #define ALTIVEC_STORE4_SUM_CLIP(dest, idctv) \
- { \
- /* unaligned load */ \
- vec_u8_t dstv = vec_vsx_ld(0, dest); \
- vec_s16_t idct_sh6 = vec_sra(idctv, sixv); \
- vec_u16_t dst16 = vec_u8_to_u16_h(dstv); \
- vec_s16_t idstsum = vec_adds(idct_sh6, (vec_s16_t)dst16); \
- vec_u8_t idstsum8 = vec_s16_to_u8(idstsum); \
- /* unaligned store */ \
- vec_u32_t bodyv = vec_splat((vec_u32_t)idstsum8, 0); \
- int element = ((unsigned long)dest & 0xf) >> 2; \
- vec_ste(bodyv, element, (uint32_t *)dest); \
- }
- void x264_add4x4_idct_altivec( uint8_t *dst, int16_t dct[16] )
- {
- vec_u16_t onev = vec_splat_u16(1);
- dct[0] += 32; // rounding for the >>6 at the end
- vec_s16_t s0, s1, s2, s3;
- s0 = vec_ld( 0x00, dct );
- s1 = vec_sld( s0, s0, 8 );
- s2 = vec_ld( 0x10, dct );
- s3 = vec_sld( s2, s2, 8 );
- vec_s16_t d0, d1, d2, d3;
- IDCT_1D_ALTIVEC( s0, s1, s2, s3, d0, d1, d2, d3 );
- vec_s16_t tr0, tr1, tr2, tr3;
- VEC_TRANSPOSE_4( d0, d1, d2, d3, tr0, tr1, tr2, tr3 );
- vec_s16_t idct0, idct1, idct2, idct3;
- IDCT_1D_ALTIVEC( tr0, tr1, tr2, tr3, idct0, idct1, idct2, idct3 );
- vec_u16_t sixv = vec_splat_u16(6);
- LOAD_ZERO;
- ALTIVEC_STORE4_SUM_CLIP( &dst[0*FDEC_STRIDE], idct0 );
- ALTIVEC_STORE4_SUM_CLIP( &dst[1*FDEC_STRIDE], idct1 );
- ALTIVEC_STORE4_SUM_CLIP( &dst[2*FDEC_STRIDE], idct2 );
- ALTIVEC_STORE4_SUM_CLIP( &dst[3*FDEC_STRIDE], idct3 );
- }
- void x264_add8x8_idct_altivec( uint8_t *p_dst, int16_t dct[4][16] )
- {
- x264_add4x4_idct_altivec( &p_dst[0], dct[0] );
- x264_add4x4_idct_altivec( &p_dst[4], dct[1] );
- x264_add4x4_idct_altivec( &p_dst[4*FDEC_STRIDE+0], dct[2] );
- x264_add4x4_idct_altivec( &p_dst[4*FDEC_STRIDE+4], dct[3] );
- }
- void x264_add16x16_idct_altivec( uint8_t *p_dst, int16_t dct[16][16] )
- {
- x264_add8x8_idct_altivec( &p_dst[0], &dct[0] );
- x264_add8x8_idct_altivec( &p_dst[8], &dct[4] );
- x264_add8x8_idct_altivec( &p_dst[8*FDEC_STRIDE+0], &dct[8] );
- x264_add8x8_idct_altivec( &p_dst[8*FDEC_STRIDE+8], &dct[12] );
- }
- #define IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7)\
- {\
- /* a0 = SRC(0) + SRC(4); */ \
- vec_s16_t a0v = vec_add(s0, s4); \
- /* a2 = SRC(0) - SRC(4); */ \
- vec_s16_t a2v = vec_sub(s0, s4); \
- /* a4 = (SRC(2)>>1) - SRC(6); */ \
- vec_s16_t a4v = vec_sub(vec_sra(s2, onev), s6); \
- /* a6 = (SRC(6)>>1) + SRC(2); */ \
- vec_s16_t a6v = vec_add(vec_sra(s6, onev), s2); \
- /* b0 = a0 + a6; */ \
- vec_s16_t b0v = vec_add(a0v, a6v); \
- /* b2 = a2 + a4; */ \
- vec_s16_t b2v = vec_add(a2v, a4v); \
- /* b4 = a2 - a4; */ \
- vec_s16_t b4v = vec_sub(a2v, a4v); \
- /* b6 = a0 - a6; */ \
- vec_s16_t b6v = vec_sub(a0v, a6v); \
- /* a1 = SRC(5) - SRC(3) - SRC(7) - (SRC(7)>>1); */ \
- /* a1 = (SRC(5)-SRC(3)) - (SRC(7) + (SRC(7)>>1)); */ \
- vec_s16_t a1v = vec_sub( vec_sub(s5, s3), vec_add(s7, vec_sra(s7, onev)) );\
- /* a3 = SRC(7) + SRC(1) - SRC(3) - (SRC(3)>>1); */ \
- /* a3 = (SRC(7)+SRC(1)) - (SRC(3) + (SRC(3)>>1)); */ \
- vec_s16_t a3v = vec_sub( vec_add(s7, s1), vec_add(s3, vec_sra(s3, onev)) );\
- /* a5 = SRC(7) - SRC(1) + SRC(5) + (SRC(5)>>1); */ \
- /* a5 = (SRC(7)-SRC(1)) + SRC(5) + (SRC(5)>>1); */ \
- vec_s16_t a5v = vec_add( vec_sub(s7, s1), vec_add(s5, vec_sra(s5, onev)) );\
- /* a7 = SRC(5)+SRC(3) + SRC(1) + (SRC(1)>>1); */ \
- vec_s16_t a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\
- /* b1 = (a7>>2) + a1; */ \
- vec_s16_t b1v = vec_add( vec_sra(a7v, twov), a1v); \
- /* b3 = a3 + (a5>>2); */ \
- vec_s16_t b3v = vec_add(a3v, vec_sra(a5v, twov)); \
- /* b5 = (a3>>2) - a5; */ \
- vec_s16_t b5v = vec_sub( vec_sra(a3v, twov), a5v); \
- /* b7 = a7 - (a1>>2); */ \
- vec_s16_t b7v = vec_sub( a7v, vec_sra(a1v, twov)); \
- /* DST(0, b0 + b7); */ \
- d0 = vec_add(b0v, b7v); \
- /* DST(1, b2 + b5); */ \
- d1 = vec_add(b2v, b5v); \
- /* DST(2, b4 + b3); */ \
- d2 = vec_add(b4v, b3v); \
- /* DST(3, b6 + b1); */ \
- d3 = vec_add(b6v, b1v); \
- /* DST(4, b6 - b1); */ \
- d4 = vec_sub(b6v, b1v); \
- /* DST(5, b4 - b3); */ \
- d5 = vec_sub(b4v, b3v); \
- /* DST(6, b2 - b5); */ \
- d6 = vec_sub(b2v, b5v); \
- /* DST(7, b0 - b7); */ \
- d7 = vec_sub(b0v, b7v); \
- }
- #define ALTIVEC_STORE_SUM_CLIP(dest, idctv) \
- { \
- vec_s16_t idct_sh6 = vec_sra( idctv, sixv ); \
- /* unaligned load */ \
- vec_u8_t dstv = vec_vsx_ld( 0, dest ); \
- vec_s16_t idstsum = vec_adds( idct_sh6, vec_u8_to_s16_h( dstv ) ); \
- vec_u8_t idstsum8 = vec_packsu( idstsum, vec_u8_to_s16_l( dstv ) ); \
- /* unaligned store */ \
- vec_vsx_st( idstsum8, 0, dest ); \
- }
- void x264_add8x8_idct8_altivec( uint8_t *dst, int16_t dct[64] )
- {
- vec_u16_t onev = vec_splat_u16(1);
- vec_u16_t twov = vec_splat_u16(2);
- dct[0] += 32; // rounding for the >>6 at the end
- vec_s16_t s0, s1, s2, s3, s4, s5, s6, s7;
- s0 = vec_ld(0x00, dct);
- s1 = vec_ld(0x10, dct);
- s2 = vec_ld(0x20, dct);
- s3 = vec_ld(0x30, dct);
- s4 = vec_ld(0x40, dct);
- s5 = vec_ld(0x50, dct);
- s6 = vec_ld(0x60, dct);
- s7 = vec_ld(0x70, dct);
- vec_s16_t d0, d1, d2, d3, d4, d5, d6, d7;
- IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7);
- vec_s16_t tr0, tr1, tr2, tr3, tr4, tr5, tr6, tr7;
- VEC_TRANSPOSE_8( d0, d1, d2, d3, d4, d5, d6, d7,
- tr0, tr1, tr2, tr3, tr4, tr5, tr6, tr7);
- vec_s16_t idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7;
- IDCT8_1D_ALTIVEC(tr0, tr1, tr2, tr3, tr4, tr5, tr6, tr7,
- idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7);
- vec_u16_t sixv = vec_splat_u16(6);
- LOAD_ZERO;
- ALTIVEC_STORE_SUM_CLIP(&dst[0*FDEC_STRIDE], idct0);
- ALTIVEC_STORE_SUM_CLIP(&dst[1*FDEC_STRIDE], idct1);
- ALTIVEC_STORE_SUM_CLIP(&dst[2*FDEC_STRIDE], idct2);
- ALTIVEC_STORE_SUM_CLIP(&dst[3*FDEC_STRIDE], idct3);
- ALTIVEC_STORE_SUM_CLIP(&dst[4*FDEC_STRIDE], idct4);
- ALTIVEC_STORE_SUM_CLIP(&dst[5*FDEC_STRIDE], idct5);
- ALTIVEC_STORE_SUM_CLIP(&dst[6*FDEC_STRIDE], idct6);
- ALTIVEC_STORE_SUM_CLIP(&dst[7*FDEC_STRIDE], idct7);
- }
- void x264_add16x16_idct8_altivec( uint8_t *dst, int16_t dct[4][64] )
- {
- x264_add8x8_idct8_altivec( &dst[0], dct[0] );
- x264_add8x8_idct8_altivec( &dst[8], dct[1] );
- x264_add8x8_idct8_altivec( &dst[8*FDEC_STRIDE+0], dct[2] );
- x264_add8x8_idct8_altivec( &dst[8*FDEC_STRIDE+8], dct[3] );
- }
- void x264_zigzag_scan_4x4_frame_altivec( int16_t level[16], int16_t dct[16] )
- {
- vec_s16_t dct0v, dct1v;
- vec_s16_t tmp0v, tmp1v;
- dct0v = vec_ld(0x00, dct);
- dct1v = vec_ld(0x10, dct);
- const vec_u8_t sel0 = (vec_u8_t) CV(0,1,8,9,2,3,4,5,10,11,16,17,24,25,18,19);
- const vec_u8_t sel1 = (vec_u8_t) CV(12,13,6,7,14,15,20,21,26,27,28,29,22,23,30,31);
- tmp0v = vec_perm( dct0v, dct1v, sel0 );
- tmp1v = vec_perm( dct0v, dct1v, sel1 );
- vec_st( tmp0v, 0x00, level );
- vec_st( tmp1v, 0x10, level );
- }
- void x264_zigzag_scan_4x4_field_altivec( int16_t level[16], int16_t dct[16] )
- {
- vec_s16_t dct0v, dct1v;
- vec_s16_t tmp0v, tmp1v;
- dct0v = vec_ld(0x00, dct);
- dct1v = vec_ld(0x10, dct);
- const vec_u8_t sel0 = (vec_u8_t) CV(0,1,2,3,8,9,4,5,6,7,10,11,12,13,14,15);
- tmp0v = vec_perm( dct0v, dct1v, sel0 );
- tmp1v = dct1v;
- vec_st( tmp0v, 0x00, level );
- vec_st( tmp1v, 0x10, level );
- }
- void x264_zigzag_scan_8x8_frame_altivec( int16_t level[64], int16_t dct[64] )
- {
- vec_s16_t tmpv[6];
- vec_s16_t dct0v = vec_ld( 0*16, dct );
- vec_s16_t dct1v = vec_ld( 1*16, dct );
- vec_s16_t dct2v = vec_ld( 2*16, dct );
- vec_s16_t dct3v = vec_ld( 3*16, dct );
- vec_s16_t dct4v = vec_ld( 4*16, dct );
- vec_s16_t dct5v = vec_ld( 5*16, dct );
- vec_s16_t dct6v = vec_ld( 6*16, dct );
- vec_s16_t dct7v = vec_ld( 7*16, dct );
- const vec_u8_t mask1[14] = {
- { 0x00, 0x01, 0x02, 0x03, 0x12, 0x13, 0x14, 0x15, 0x0A, 0x0B, 0x04, 0x05, 0x06, 0x07, 0x0C, 0x0D },
- { 0x0A, 0x0B, 0x0C, 0x0D, 0x00, 0x00, 0x0E, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x12, 0x13 },
- { 0x00, 0x01, 0x02, 0x03, 0x18, 0x19, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x18, 0x19, 0x16, 0x17, 0x0C, 0x0D, 0x0E, 0x0F },
- { 0x00, 0x00, 0x14, 0x15, 0x18, 0x19, 0x02, 0x03, 0x04, 0x05, 0x08, 0x09, 0x06, 0x07, 0x12, 0x13 },
- { 0x12, 0x13, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
- { 0x1A, 0x1B, 0x10, 0x11, 0x08, 0x09, 0x04, 0x05, 0x02, 0x03, 0x0C, 0x0D, 0x14, 0x15, 0x18, 0x19 },
- { 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x0A, 0x0B },
- { 0x00, 0x01, 0x02, 0x03, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x06, 0x07, 0x04, 0x05, 0x08, 0x09 },
- { 0x00, 0x11, 0x16, 0x17, 0x18, 0x19, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x1A, 0x1B },
- { 0x02, 0x03, 0x18, 0x19, 0x16, 0x17, 0x1A, 0x1B, 0x1C, 0x1D, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 },
- { 0x08, 0x09, 0x0A, 0x0B, 0x06, 0x07, 0x0E, 0x0F, 0x10, 0x11, 0x00, 0x00, 0x12, 0x13, 0x14, 0x15 },
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x16, 0x17, 0x0C, 0x0D, 0x0E, 0x0F },
- { 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x08, 0x09, 0x06, 0x07, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F }
- };
- tmpv[0] = vec_mergeh( dct0v, dct1v );
- tmpv[1] = vec_mergeh( dct2v, dct3v );
- tmpv[2] = (vec_s16_t)vec_mergeh( (vec_s32_t)tmpv[0], (vec_s32_t)tmpv[1] );
- tmpv[3] = vec_perm( tmpv[2], dct0v, mask1[0] );
- vec_st( tmpv[3], 0*16, level );
- tmpv[4] = vec_mergeh( dct4v, dct5v );
- tmpv[3] = vec_perm( tmpv[0], tmpv[4], mask1[1] );
- tmpv[3] = vec_perm( tmpv[3], dct0v, mask1[2] );
- tmpv[3] = vec_perm( tmpv[3], tmpv[1], mask1[3] );
- vec_st( tmpv[3], 1*16, level );
- tmpv[3] = vec_mergel( dct0v, dct1v );
- tmpv[1] = vec_mergel( tmpv[1], dct2v );
- tmpv[5] = vec_perm( tmpv[3], tmpv[1], mask1[4] );
- tmpv[5] = vec_perm( tmpv[5], dct4v, mask1[5] );
- vec_st( tmpv[5], 2*16, level );
- tmpv[2] = vec_mergeh( dct5v, dct6v );
- tmpv[5] = vec_mergeh( tmpv[2], dct7v );
- tmpv[4] = vec_mergel( tmpv[4], tmpv[1] );
- tmpv[0] = vec_perm( tmpv[5], tmpv[4], mask1[6] );
- vec_st( tmpv[0], 3*16, level );
- tmpv[1] = vec_mergel( dct2v, dct3v );
- tmpv[0] = vec_mergel( dct4v, dct5v );
- tmpv[4] = vec_perm( tmpv[1], tmpv[0], mask1[7] );
- tmpv[3] = vec_perm( tmpv[4], tmpv[3], mask1[8] );
- vec_st( tmpv[3], 4*16, level );
- tmpv[3] = vec_mergeh( dct6v, dct7v );
- tmpv[2] = vec_mergel( dct3v, dct4v );
- tmpv[2] = vec_perm( tmpv[2], dct5v, mask1[9] );
- tmpv[3] = vec_perm( tmpv[2], tmpv[3], mask1[10] );
- vec_st( tmpv[3], 5*16, level );
- tmpv[1] = vec_mergel( tmpv[1], tmpv[2] );
- tmpv[2] = vec_mergel( dct6v, dct7v );
- tmpv[1] = vec_perm( tmpv[1], tmpv[2], mask1[11] );
- tmpv[1] = vec_perm( tmpv[1], dct7v, mask1[12] );
- vec_st( tmpv[1], 6*16, level );
- tmpv[2] = vec_perm( tmpv[2], tmpv[0], mask1[13] );
- vec_st( tmpv[2], 7*16, level );
- }
- void x264_zigzag_interleave_8x8_cavlc_altivec( int16_t *dst, int16_t *src, uint8_t *nnz )
- {
- vec_s16_t tmpv[8];
- vec_s16_t merge[2];
- vec_s16_t permv[3];
- vec_s16_t orv[4];
- vec_s16_t src0v = vec_ld( 0*16, src );
- vec_s16_t src1v = vec_ld( 1*16, src );
- vec_s16_t src2v = vec_ld( 2*16, src );
- vec_s16_t src3v = vec_ld( 3*16, src );
- vec_s16_t src4v = vec_ld( 4*16, src );
- vec_s16_t src5v = vec_ld( 5*16, src );
- vec_s16_t src6v = vec_ld( 6*16, src );
- vec_s16_t src7v = vec_ld( 7*16, src );
- vec_u8_t pack;
- vec_u8_t nnzv = vec_vsx_ld( 0, nnz );
- vec_u8_t shift = vec_splat_u8( 7 );
- LOAD_ZERO;
- const vec_u8_t mask[3] = {
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17 },
- { 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
- { 0x10, 0x11, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x12, 0x13, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F }
- };
- tmpv[0] = vec_mergeh( src0v, src1v );
- tmpv[1] = vec_mergel( src0v, src1v );
- tmpv[2] = vec_mergeh( src2v, src3v );
- tmpv[3] = vec_mergel( src2v, src3v );
- tmpv[4] = vec_mergeh( src4v, src5v );
- tmpv[5] = vec_mergel( src4v, src5v );
- tmpv[6] = vec_mergeh( src6v, src7v );
- tmpv[7] = vec_mergel( src6v, src7v );
- merge[0] = vec_mergeh( tmpv[0], tmpv[1] );
- merge[1] = vec_mergeh( tmpv[2], tmpv[3] );
- permv[0] = vec_perm( merge[0], merge[1], mask[0] );
- permv[1] = vec_perm( merge[0], merge[1], mask[1] );
- vec_st( permv[0], 0*16, dst );
- merge[0] = vec_mergeh( tmpv[4], tmpv[5] );
- merge[1] = vec_mergeh( tmpv[6], tmpv[7] );
- permv[0] = vec_perm( merge[0], merge[1], mask[0] );
- permv[2] = vec_perm( merge[0], merge[1], mask[1] );
- vec_st( permv[0], 1*16, dst );
- vec_st( permv[1], 2*16, dst );
- vec_st( permv[2], 3*16, dst );
- merge[0] = vec_mergel( tmpv[0], tmpv[1] );
- merge[1] = vec_mergel( tmpv[2], tmpv[3] );
- permv[0] = vec_perm( merge[0], merge[1], mask[0] );
- permv[1] = vec_perm( merge[0], merge[1], mask[1] );
- vec_st( permv[0], 4*16, dst );
- merge[0] = vec_mergel( tmpv[4], tmpv[5] );
- merge[1] = vec_mergel( tmpv[6], tmpv[7] );
- permv[0] = vec_perm( merge[0], merge[1], mask[0] );
- permv[2] = vec_perm( merge[0], merge[1], mask[1] );
- vec_st( permv[0], 5*16, dst );
- vec_st( permv[1], 6*16, dst );
- vec_st( permv[2], 7*16, dst );
- orv[0] = vec_or( src0v, src1v );
- orv[1] = vec_or( src2v, src3v );
- orv[2] = vec_or( src4v, src5v );
- orv[3] = vec_or( src6v, src7v );
- permv[0] = vec_or( orv[0], orv[1] );
- permv[1] = vec_or( orv[2], orv[3] );
- permv[0] = vec_or( permv[0], permv[1] );
- permv[1] = vec_perm( permv[0], permv[0], mask[1] );
- permv[0] = vec_or( permv[0], permv[1] );
- pack = (vec_u8_t)vec_packs( permv[0], permv[0] );
- pack = (vec_u8_t)vec_cmpeq( pack, zerov );
- pack = vec_nor( pack, zerov );
- pack = vec_sr( pack, shift );
- nnzv = vec_perm( nnzv, pack, mask[2] );
- vec_st( nnzv, 0, nnz );
- }
- #endif // !HIGH_BIT_DEPTH
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