mirror of
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314 lines
7.6 KiB
NASM
314 lines
7.6 KiB
NASM
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;******************************************************************************
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;* FLAC DSP SIMD optimizations
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;*
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;* Copyright (C) 2014 Loren Merritt
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;* Copyright (C) 2014 James Almer
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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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SECTION .text
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%macro PMACSDQL 5
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%if cpuflag(xop)
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pmacsdql %1, %2, %3, %1
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%else
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pmuldq %2, %3
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paddq %1, %2
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%endif
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%endmacro
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%macro LPC_32 1
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INIT_XMM %1
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cglobal flac_lpc_32, 5,6,5, decoded, coeffs, pred_order, qlevel, len, j
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sub lend, pred_orderd
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jle .ret
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lea decodedq, [decodedq+pred_orderq*4-8]
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lea coeffsq, [coeffsq+pred_orderq*4]
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neg pred_orderq
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movd m4, qlevelm
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ALIGN 16
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.loop_sample:
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movd m0, [decodedq+pred_orderq*4+8]
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add decodedq, 8
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movd m1, [coeffsq+pred_orderq*4]
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pxor m2, m2
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pxor m3, m3
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lea jq, [pred_orderq+1]
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test jq, jq
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jz .end_order
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.loop_order:
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PMACSDQL m2, m0, m1, m2, m0
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movd m0, [decodedq+jq*4]
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PMACSDQL m3, m1, m0, m3, m1
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movd m1, [coeffsq+jq*4]
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inc jq
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jl .loop_order
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.end_order:
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PMACSDQL m2, m0, m1, m2, m0
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psrlq m2, m4
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movd m0, [decodedq]
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paddd m0, m2
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movd [decodedq], m0
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sub lend, 2
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jl .ret
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PMACSDQL m3, m1, m0, m3, m1
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psrlq m3, m4
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movd m1, [decodedq+4]
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paddd m1, m3
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movd [decodedq+4], m1
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jg .loop_sample
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.ret:
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REP_RET
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%endmacro
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%if HAVE_XOP_EXTERNAL
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LPC_32 xop
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%endif
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LPC_32 sse4
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;----------------------------------------------------------------------------------
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;void ff_flac_decorrelate_[lrm]s_16_sse2(uint8_t **out, int32_t **in, int channels,
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; int len, int shift);
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;----------------------------------------------------------------------------------
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%macro FLAC_DECORRELATE_16 3-4
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cglobal flac_decorrelate_%1_16, 2, 4, 4, out, in0, in1, len
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%if ARCH_X86_32
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mov lend, lenm
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%endif
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movd m3, r4m
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shl lend, 2
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mov in1q, [in0q + gprsize]
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mov in0q, [in0q]
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mov outq, [outq]
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add in1q, lenq
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add in0q, lenq
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add outq, lenq
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neg lenq
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align 16
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.loop:
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mova m0, [in0q + lenq]
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mova m1, [in1q + lenq]
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%ifidn %1, ms
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psrad m2, m1, 1
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psubd m0, m2
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%endif
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%ifnidn %1, indep2
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p%4d m2, m0, m1
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%endif
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packssdw m%2, m%2
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packssdw m%3, m%3
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punpcklwd m%2, m%3
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psllw m%2, m3
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mova [outq + lenq], m%2
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add lenq, 16
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jl .loop
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REP_RET
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%endmacro
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INIT_XMM sse2
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FLAC_DECORRELATE_16 ls, 0, 2, sub
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FLAC_DECORRELATE_16 rs, 2, 1, add
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FLAC_DECORRELATE_16 ms, 2, 0, add
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;----------------------------------------------------------------------------------
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;void ff_flac_decorrelate_[lrm]s_32_sse2(uint8_t **out, int32_t **in, int channels,
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; int len, int shift);
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;----------------------------------------------------------------------------------
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%macro FLAC_DECORRELATE_32 5
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cglobal flac_decorrelate_%1_32, 2, 4, 4, out, in0, in1, len
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%if ARCH_X86_32
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mov lend, lenm
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%endif
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movd m3, r4m
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mov in1q, [in0q + gprsize]
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mov in0q, [in0q]
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mov outq, [outq]
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sub in1q, in0q
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align 16
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.loop:
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mova m0, [in0q]
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mova m1, [in0q + in1q]
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%ifidn %1, ms
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psrad m2, m1, 1
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psubd m0, m2
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%endif
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p%5d m2, m0, m1
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pslld m%2, m3
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pslld m%3, m3
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SBUTTERFLY dq, %2, %3, %4
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mova [outq ], m%2
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mova [outq + mmsize], m%3
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add in0q, mmsize
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add outq, mmsize*2
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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 sse2
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FLAC_DECORRELATE_32 ls, 0, 2, 1, sub
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FLAC_DECORRELATE_32 rs, 2, 1, 0, add
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FLAC_DECORRELATE_32 ms, 2, 0, 1, add
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;-----------------------------------------------------------------------------------------
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;void ff_flac_decorrelate_indep<ch>_<bps>_<opt>(uint8_t **out, int32_t **in, int channels,
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; int len, int shift);
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;-----------------------------------------------------------------------------------------
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;%1 = bps
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;%2 = channels
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;%3 = last xmm reg used
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;%4 = word/dword (shift instruction)
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%macro FLAC_DECORRELATE_INDEP 4
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%define REPCOUNT %2/(32/%1) ; 16bits = channels / 2; 32bits = channels
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cglobal flac_decorrelate_indep%2_%1, 2, %2+2, %3+1, out, in0, in1, len, in2, in3, in4, in5, in6, in7
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%if ARCH_X86_32
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%if %2 == 6
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DEFINE_ARGS out, in0, in1, in2, in3, in4, in5
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%define lend dword r3m
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%else
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mov lend, lenm
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%endif
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%endif
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movd m%3, r4m
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%assign %%i 1
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%rep %2-1
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mov in %+ %%i %+ q, [in0q+%%i*gprsize]
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%assign %%i %%i+1
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%endrep
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mov in0q, [in0q]
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mov outq, [outq]
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%assign %%i 1
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%rep %2-1
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sub in %+ %%i %+ q, in0q
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%assign %%i %%i+1
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%endrep
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align 16
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.loop:
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mova m0, [in0q]
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%assign %%i 1
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%rep REPCOUNT-1
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mova m %+ %%i, [in0q + in %+ %%i %+ q]
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%assign %%i %%i+1
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%endrep
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%if %1 == 32
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%if %2 == 8
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TRANSPOSE8x4D 0, 1, 2, 3, 4, 5, 6, 7, 8
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%elif %2 == 6
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SBUTTERFLY dq, 0, 1, 6
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SBUTTERFLY dq, 2, 3, 6
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SBUTTERFLY dq, 4, 5, 6
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punpcklqdq m6, m0, m2
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punpckhqdq m2, m4
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shufps m4, m0, 0xe4
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punpcklqdq m0, m1, m3
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punpckhqdq m3, m5
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shufps m5, m1, 0xe4
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SWAP 0,6,1,4,5,3
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%elif %2 == 4
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TRANSPOSE4x4D 0, 1, 2, 3, 4
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%else ; %2 == 2
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SBUTTERFLY dq, 0, 1, 2
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%endif
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%else ; %1 == 16
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%if %2 == 8
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packssdw m0, [in0q + in4q]
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packssdw m1, [in0q + in5q]
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packssdw m2, [in0q + in6q]
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packssdw m3, [in0q + in7q]
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TRANSPOSE2x4x4W 0, 1, 2, 3, 4
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%elif %2 == 6
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packssdw m0, [in0q + in3q]
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packssdw m1, [in0q + in4q]
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packssdw m2, [in0q + in5q]
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pshufd m3, m0, q1032
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punpcklwd m0, m1
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punpckhwd m1, m2
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punpcklwd m2, m3
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shufps m3, m0, m2, q2020
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shufps m0, m1, q2031
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shufps m2, m1, q3131
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shufps m1, m2, m3, q3120
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shufps m3, m0, q0220
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shufps m0, m2, q3113
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SWAP 2, 0, 3
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%else ; %2 == 4
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packssdw m0, [in0q + in2q]
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packssdw m1, [in0q + in3q]
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SBUTTERFLY wd, 0, 1, 2
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SBUTTERFLY dq, 0, 1, 2
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%endif
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%endif
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%assign %%i 0
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%rep REPCOUNT
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psll%4 m %+ %%i, m%3
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%assign %%i %%i+1
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%endrep
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%assign %%i 0
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%rep REPCOUNT
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mova [outq + %%i*mmsize], m %+ %%i
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%assign %%i %%i+1
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%endrep
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add in0q, mmsize
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add outq, mmsize*REPCOUNT
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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 sse2
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FLAC_DECORRELATE_16 indep2, 0, 1 ; Reuse stereo 16bits macro
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FLAC_DECORRELATE_INDEP 32, 2, 3, d
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FLAC_DECORRELATE_INDEP 16, 4, 3, w
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FLAC_DECORRELATE_INDEP 32, 4, 5, d
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FLAC_DECORRELATE_INDEP 16, 6, 4, w
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FLAC_DECORRELATE_INDEP 32, 6, 7, d
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%if ARCH_X86_64
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FLAC_DECORRELATE_INDEP 16, 8, 5, w
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FLAC_DECORRELATE_INDEP 32, 8, 9, d
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%endif
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INIT_XMM avx
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FLAC_DECORRELATE_INDEP 32, 4, 5, d
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FLAC_DECORRELATE_INDEP 32, 6, 7, d
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%if ARCH_X86_64
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FLAC_DECORRELATE_INDEP 16, 8, 5, w
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FLAC_DECORRELATE_INDEP 32, 8, 9, d
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%endif
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