512 lines
14 KiB
NASM
512 lines
14 KiB
NASM
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;******************************************************************************
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;* x86 optimized channel mixing
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;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
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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 "libavutil/x86/x86util.asm"
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%include "util.asm"
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SECTION .text
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;-----------------------------------------------------------------------------
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; void ff_mix_2_to_1_fltp_flt(float **src, float **matrix, int len,
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; int out_ch, int in_ch);
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;-----------------------------------------------------------------------------
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%macro MIX_2_TO_1_FLTP_FLT 0
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cglobal mix_2_to_1_fltp_flt, 3,4,6, src, matrix, len, src1
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mov src1q, [srcq+gprsize]
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mov srcq, [srcq ]
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sub src1q, srcq
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mov matrixq, [matrixq ]
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VBROADCASTSS m4, [matrixq ]
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VBROADCASTSS m5, [matrixq+4]
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ALIGN 16
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.loop:
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mulps m0, m4, [srcq ]
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mulps m1, m5, [srcq+src1q ]
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mulps m2, m4, [srcq+ mmsize]
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mulps m3, m5, [srcq+src1q+mmsize]
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addps m0, m0, m1
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addps m2, m2, m3
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mova [srcq ], m0
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mova [srcq+mmsize], m2
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add srcq, mmsize*2
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sub lend, mmsize*2/4
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jg .loop
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REP_RET
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%endmacro
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INIT_XMM sse
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MIX_2_TO_1_FLTP_FLT
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%if HAVE_AVX_EXTERNAL
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INIT_YMM avx
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MIX_2_TO_1_FLTP_FLT
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%endif
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;-----------------------------------------------------------------------------
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; void ff_mix_2_to_1_s16p_flt(int16_t **src, float **matrix, int len,
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; int out_ch, int in_ch);
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;-----------------------------------------------------------------------------
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%macro MIX_2_TO_1_S16P_FLT 0
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cglobal mix_2_to_1_s16p_flt, 3,4,6, src, matrix, len, src1
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mov src1q, [srcq+gprsize]
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mov srcq, [srcq]
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sub src1q, srcq
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mov matrixq, [matrixq ]
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VBROADCASTSS m4, [matrixq ]
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VBROADCASTSS m5, [matrixq+4]
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ALIGN 16
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.loop:
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mova m0, [srcq ]
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mova m2, [srcq+src1q]
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S16_TO_S32_SX 0, 1
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S16_TO_S32_SX 2, 3
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cvtdq2ps m0, m0
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cvtdq2ps m1, m1
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cvtdq2ps m2, m2
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cvtdq2ps m3, m3
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mulps m0, m4
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mulps m1, m4
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mulps m2, m5
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mulps m3, m5
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addps m0, m2
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addps m1, m3
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cvtps2dq m0, m0
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cvtps2dq m1, m1
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packssdw m0, m1
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mova [srcq], m0
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add srcq, mmsize
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sub lend, mmsize/2
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jg .loop
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REP_RET
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%endmacro
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INIT_XMM sse2
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MIX_2_TO_1_S16P_FLT
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INIT_XMM sse4
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MIX_2_TO_1_S16P_FLT
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;-----------------------------------------------------------------------------
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; void ff_mix_2_to_1_s16p_q8(int16_t **src, int16_t **matrix, int len,
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; int out_ch, int in_ch);
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;-----------------------------------------------------------------------------
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INIT_XMM sse2
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cglobal mix_2_to_1_s16p_q8, 3,4,6, src, matrix, len, src1
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mov src1q, [srcq+gprsize]
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mov srcq, [srcq]
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sub src1q, srcq
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mov matrixq, [matrixq]
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movd m4, [matrixq]
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movd m5, [matrixq]
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SPLATW m4, m4, 0
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SPLATW m5, m5, 1
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pxor m0, m0
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punpcklwd m4, m0
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punpcklwd m5, m0
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ALIGN 16
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.loop:
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mova m0, [srcq ]
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mova m2, [srcq+src1q]
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punpckhwd m1, m0, m0
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punpcklwd m0, m0
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punpckhwd m3, m2, m2
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punpcklwd m2, m2
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pmaddwd m0, m4
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pmaddwd m1, m4
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pmaddwd m2, m5
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pmaddwd m3, m5
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paddd m0, m2
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paddd m1, m3
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psrad m0, 8
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psrad m1, 8
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packssdw m0, m1
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mova [srcq], m0
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add srcq, mmsize
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sub lend, mmsize/2
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jg .loop
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REP_RET
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;-----------------------------------------------------------------------------
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; void ff_mix_1_to_2_fltp_flt(float **src, float **matrix, int len,
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; int out_ch, int in_ch);
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;-----------------------------------------------------------------------------
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%macro MIX_1_TO_2_FLTP_FLT 0
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cglobal mix_1_to_2_fltp_flt, 3,5,4, src0, matrix0, len, src1, matrix1
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mov src1q, [src0q+gprsize]
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mov src0q, [src0q]
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sub src1q, src0q
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mov matrix1q, [matrix0q+gprsize]
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mov matrix0q, [matrix0q]
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VBROADCASTSS m2, [matrix0q]
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VBROADCASTSS m3, [matrix1q]
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ALIGN 16
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.loop:
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mova m0, [src0q]
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mulps m1, m0, m3
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mulps m0, m0, m2
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mova [src0q ], m0
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mova [src0q+src1q], m1
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add src0q, mmsize
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sub lend, mmsize/4
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jg .loop
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REP_RET
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%endmacro
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INIT_XMM sse
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MIX_1_TO_2_FLTP_FLT
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%if HAVE_AVX_EXTERNAL
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INIT_YMM avx
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MIX_1_TO_2_FLTP_FLT
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%endif
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;-----------------------------------------------------------------------------
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; void ff_mix_1_to_2_s16p_flt(int16_t **src, float **matrix, int len,
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; int out_ch, int in_ch);
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;-----------------------------------------------------------------------------
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%macro MIX_1_TO_2_S16P_FLT 0
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cglobal mix_1_to_2_s16p_flt, 3,5,6, src0, matrix0, len, src1, matrix1
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mov src1q, [src0q+gprsize]
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mov src0q, [src0q]
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sub src1q, src0q
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mov matrix1q, [matrix0q+gprsize]
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mov matrix0q, [matrix0q]
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VBROADCASTSS m4, [matrix0q]
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VBROADCASTSS m5, [matrix1q]
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ALIGN 16
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.loop:
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mova m0, [src0q]
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S16_TO_S32_SX 0, 2
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cvtdq2ps m0, m0
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cvtdq2ps m2, m2
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mulps m1, m0, m5
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mulps m0, m0, m4
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mulps m3, m2, m5
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mulps m2, m2, m4
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cvtps2dq m0, m0
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cvtps2dq m1, m1
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cvtps2dq m2, m2
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cvtps2dq m3, m3
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packssdw m0, m2
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packssdw m1, m3
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mova [src0q ], m0
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mova [src0q+src1q], m1
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add src0q, mmsize
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sub lend, mmsize/2
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jg .loop
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REP_RET
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%endmacro
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INIT_XMM sse2
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MIX_1_TO_2_S16P_FLT
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INIT_XMM sse4
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MIX_1_TO_2_S16P_FLT
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%if HAVE_AVX_EXTERNAL
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INIT_XMM avx
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MIX_1_TO_2_S16P_FLT
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%endif
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;-----------------------------------------------------------------------------
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; void ff_mix_3_8_to_1_2_fltp/s16p_flt(float/int16_t **src, float **matrix,
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; int len, int out_ch, int in_ch);
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;-----------------------------------------------------------------------------
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%macro MIX_3_8_TO_1_2_FLT 3 ; %1 = in channels, %2 = out channels, %3 = s16p or fltp
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; define some names to make the code clearer
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%assign in_channels %1
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%assign out_channels %2
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%assign stereo out_channels - 1
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%ifidn %3, s16p
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%assign is_s16 1
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%else
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%assign is_s16 0
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%endif
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; determine how many matrix elements must go on the stack vs. mmregs
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%assign matrix_elements in_channels * out_channels
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%if is_s16
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%if stereo
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%assign needed_mmregs 7
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%else
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%assign needed_mmregs 5
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%endif
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%else
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%if stereo
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%assign needed_mmregs 4
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%else
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%assign needed_mmregs 3
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%endif
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%endif
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%assign matrix_elements_mm num_mmregs - needed_mmregs
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%if matrix_elements < matrix_elements_mm
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%assign matrix_elements_mm matrix_elements
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%endif
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%if matrix_elements_mm < matrix_elements
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%assign matrix_elements_stack matrix_elements - matrix_elements_mm
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%else
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%assign matrix_elements_stack 0
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%endif
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%assign matrix_stack_size matrix_elements_stack * mmsize
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%assign needed_stack_size -1 * matrix_stack_size
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%if ARCH_X86_32 && in_channels >= 7
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%assign needed_stack_size needed_stack_size - 16
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%endif
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cglobal mix_%1_to_%2_%3_flt, 3,in_channels+2,needed_mmregs+matrix_elements_mm, needed_stack_size, src0, src1, len, src2, src3, src4, src5, src6, src7
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; define src pointers on stack if needed
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%if matrix_elements_stack > 0 && ARCH_X86_32 && in_channels >= 7
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%define src5m [rsp+matrix_stack_size+0]
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%define src6m [rsp+matrix_stack_size+4]
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%define src7m [rsp+matrix_stack_size+8]
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%endif
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; load matrix pointers
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%define matrix0q r1q
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%define matrix1q r3q
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%if stereo
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mov matrix1q, [matrix0q+gprsize]
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%endif
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mov matrix0q, [matrix0q]
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; define matrix coeff names
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%assign %%i 0
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%assign %%j needed_mmregs
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%rep in_channels
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%if %%i >= matrix_elements_mm
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CAT_XDEFINE mx_stack_0_, %%i, 1
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CAT_XDEFINE mx_0_, %%i, [rsp+(%%i-matrix_elements_mm)*mmsize]
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%else
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CAT_XDEFINE mx_stack_0_, %%i, 0
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CAT_XDEFINE mx_0_, %%i, m %+ %%j
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%assign %%j %%j+1
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%endif
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%assign %%i %%i+1
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%endrep
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%if stereo
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%assign %%i 0
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%rep in_channels
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%if in_channels + %%i >= matrix_elements_mm
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CAT_XDEFINE mx_stack_1_, %%i, 1
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CAT_XDEFINE mx_1_, %%i, [rsp+(in_channels+%%i-matrix_elements_mm)*mmsize]
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%else
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CAT_XDEFINE mx_stack_1_, %%i, 0
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CAT_XDEFINE mx_1_, %%i, m %+ %%j
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%assign %%j %%j+1
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%endif
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%assign %%i %%i+1
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%endrep
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%endif
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; load/splat matrix coeffs
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%assign %%i 0
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%rep in_channels
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%if mx_stack_0_ %+ %%i
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VBROADCASTSS m0, [matrix0q+4*%%i]
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mova mx_0_ %+ %%i, m0
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%else
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VBROADCASTSS mx_0_ %+ %%i, [matrix0q+4*%%i]
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%endif
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%if stereo
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%if mx_stack_1_ %+ %%i
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VBROADCASTSS m0, [matrix1q+4*%%i]
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mova mx_1_ %+ %%i, m0
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%else
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VBROADCASTSS mx_1_ %+ %%i, [matrix1q+4*%%i]
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%endif
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%endif
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%assign %%i %%i+1
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%endrep
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; load channel pointers to registers as offsets from the first channel pointer
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%if ARCH_X86_64
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movsxd lenq, r2d
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%endif
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shl lenq, 2-is_s16
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%assign %%i 1
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%rep (in_channels - 1)
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%if ARCH_X86_32 && in_channels >= 7 && %%i >= 5
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mov src5q, [src0q+%%i*gprsize]
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add src5q, lenq
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mov src %+ %%i %+ m, src5q
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%else
|
||
|
|
mov src %+ %%i %+ q, [src0q+%%i*gprsize]
|
||
|
|
add src %+ %%i %+ q, lenq
|
||
|
|
%endif
|
||
|
|
%assign %%i %%i+1
|
||
|
|
%endrep
|
||
|
|
mov src0q, [src0q]
|
||
|
|
add src0q, lenq
|
||
|
|
neg lenq
|
||
|
|
.loop:
|
||
|
|
; for x86-32 with 7-8 channels we do not have enough gp registers for all src
|
||
|
|
; pointers, so we have to load some of them from the stack each time
|
||
|
|
%define copy_src_from_stack ARCH_X86_32 && in_channels >= 7 && %%i >= 5
|
||
|
|
%if is_s16
|
||
|
|
; mix with s16p input
|
||
|
|
mova m0, [src0q+lenq]
|
||
|
|
S16_TO_S32_SX 0, 1
|
||
|
|
cvtdq2ps m0, m0
|
||
|
|
cvtdq2ps m1, m1
|
||
|
|
%if stereo
|
||
|
|
mulps m2, m0, mx_1_0
|
||
|
|
mulps m3, m1, mx_1_0
|
||
|
|
%endif
|
||
|
|
mulps m0, m0, mx_0_0
|
||
|
|
mulps m1, m1, mx_0_0
|
||
|
|
%assign %%i 1
|
||
|
|
%rep (in_channels - 1)
|
||
|
|
%if copy_src_from_stack
|
||
|
|
%define src_ptr src5q
|
||
|
|
%else
|
||
|
|
%define src_ptr src %+ %%i %+ q
|
||
|
|
%endif
|
||
|
|
%if stereo
|
||
|
|
%if copy_src_from_stack
|
||
|
|
mov src_ptr, src %+ %%i %+ m
|
||
|
|
%endif
|
||
|
|
mova m4, [src_ptr+lenq]
|
||
|
|
S16_TO_S32_SX 4, 5
|
||
|
|
cvtdq2ps m4, m4
|
||
|
|
cvtdq2ps m5, m5
|
||
|
|
FMULADD_PS m2, m4, mx_1_ %+ %%i, m2, m6
|
||
|
|
FMULADD_PS m3, m5, mx_1_ %+ %%i, m3, m6
|
||
|
|
FMULADD_PS m0, m4, mx_0_ %+ %%i, m0, m4
|
||
|
|
FMULADD_PS m1, m5, mx_0_ %+ %%i, m1, m5
|
||
|
|
%else
|
||
|
|
%if copy_src_from_stack
|
||
|
|
mov src_ptr, src %+ %%i %+ m
|
||
|
|
%endif
|
||
|
|
mova m2, [src_ptr+lenq]
|
||
|
|
S16_TO_S32_SX 2, 3
|
||
|
|
cvtdq2ps m2, m2
|
||
|
|
cvtdq2ps m3, m3
|
||
|
|
FMULADD_PS m0, m2, mx_0_ %+ %%i, m0, m4
|
||
|
|
FMULADD_PS m1, m3, mx_0_ %+ %%i, m1, m4
|
||
|
|
%endif
|
||
|
|
%assign %%i %%i+1
|
||
|
|
%endrep
|
||
|
|
%if stereo
|
||
|
|
cvtps2dq m2, m2
|
||
|
|
cvtps2dq m3, m3
|
||
|
|
packssdw m2, m3
|
||
|
|
mova [src1q+lenq], m2
|
||
|
|
%endif
|
||
|
|
cvtps2dq m0, m0
|
||
|
|
cvtps2dq m1, m1
|
||
|
|
packssdw m0, m1
|
||
|
|
mova [src0q+lenq], m0
|
||
|
|
%else
|
||
|
|
; mix with fltp input
|
||
|
|
%if stereo || mx_stack_0_0
|
||
|
|
mova m0, [src0q+lenq]
|
||
|
|
%endif
|
||
|
|
%if stereo
|
||
|
|
mulps m1, m0, mx_1_0
|
||
|
|
%endif
|
||
|
|
%if stereo || mx_stack_0_0
|
||
|
|
mulps m0, m0, mx_0_0
|
||
|
|
%else
|
||
|
|
mulps m0, mx_0_0, [src0q+lenq]
|
||
|
|
%endif
|
||
|
|
%assign %%i 1
|
||
|
|
%rep (in_channels - 1)
|
||
|
|
%if copy_src_from_stack
|
||
|
|
%define src_ptr src5q
|
||
|
|
mov src_ptr, src %+ %%i %+ m
|
||
|
|
%else
|
||
|
|
%define src_ptr src %+ %%i %+ q
|
||
|
|
%endif
|
||
|
|
; avoid extra load for mono if matrix is in a mm register
|
||
|
|
%if stereo || mx_stack_0_ %+ %%i
|
||
|
|
mova m2, [src_ptr+lenq]
|
||
|
|
%endif
|
||
|
|
%if stereo
|
||
|
|
FMULADD_PS m1, m2, mx_1_ %+ %%i, m1, m3
|
||
|
|
%endif
|
||
|
|
%if stereo || mx_stack_0_ %+ %%i
|
||
|
|
FMULADD_PS m0, m2, mx_0_ %+ %%i, m0, m2
|
||
|
|
%else
|
||
|
|
FMULADD_PS m0, mx_0_ %+ %%i, [src_ptr+lenq], m0, m1
|
||
|
|
%endif
|
||
|
|
%assign %%i %%i+1
|
||
|
|
%endrep
|
||
|
|
mova [src0q+lenq], m0
|
||
|
|
%if stereo
|
||
|
|
mova [src1q+lenq], m1
|
||
|
|
%endif
|
||
|
|
%endif
|
||
|
|
|
||
|
|
add lenq, mmsize
|
||
|
|
jl .loop
|
||
|
|
; zero ymm high halves
|
||
|
|
%if mmsize == 32
|
||
|
|
vzeroupper
|
||
|
|
%endif
|
||
|
|
RET
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
%macro MIX_3_8_TO_1_2_FLT_FUNCS 0
|
||
|
|
%assign %%i 3
|
||
|
|
%rep 6
|
||
|
|
INIT_XMM sse
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 1, fltp
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 2, fltp
|
||
|
|
INIT_XMM sse2
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 1, s16p
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 2, s16p
|
||
|
|
INIT_XMM sse4
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 1, s16p
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 2, s16p
|
||
|
|
; do not use ymm AVX or FMA4 in x86-32 for 6 or more channels due to stack alignment issues
|
||
|
|
%if HAVE_AVX_EXTERNAL
|
||
|
|
%if ARCH_X86_64 || %%i < 6
|
||
|
|
INIT_YMM avx
|
||
|
|
%else
|
||
|
|
INIT_XMM avx
|
||
|
|
%endif
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 1, fltp
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 2, fltp
|
||
|
|
INIT_XMM avx
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 1, s16p
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 2, s16p
|
||
|
|
%endif
|
||
|
|
%if HAVE_FMA4_EXTERNAL
|
||
|
|
%if ARCH_X86_64 || %%i < 6
|
||
|
|
INIT_YMM fma4
|
||
|
|
%else
|
||
|
|
INIT_XMM fma4
|
||
|
|
%endif
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 1, fltp
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 2, fltp
|
||
|
|
INIT_XMM fma4
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 1, s16p
|
||
|
|
MIX_3_8_TO_1_2_FLT %%i, 2, s16p
|
||
|
|
%endif
|
||
|
|
%assign %%i %%i+1
|
||
|
|
%endrep
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
MIX_3_8_TO_1_2_FLT_FUNCS
|