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1504 lines
44 KiB
NASM
1504 lines
44 KiB
NASM
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; libFLAC - Free Lossless Audio Codec library
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; Copyright (C) 2001,2002,2003 Josh Coalson
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions
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; are met:
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;
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; - Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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;
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; - Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in the
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; documentation and/or other materials provided with the distribution.
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;
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; - Neither the name of the Xiph.org Foundation nor the names of its
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; contributors may be used to endorse or promote products derived from
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; this software without specific prior written permission.
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;
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; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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%include "ia32/nasm.h"
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data_section
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cglobal FLAC__lpc_compute_autocorrelation_asm_ia32
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cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4
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cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8
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cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12
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cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_3dnow
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cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32
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cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx
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cglobal FLAC__lpc_restore_signal_asm_ia32
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cglobal FLAC__lpc_restore_signal_asm_ia32_mmx
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code_section
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; **********************************************************************
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;
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; void FLAC__lpc_compute_autocorrelation_asm(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
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; {
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; FLAC__real d;
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; unsigned sample, coeff;
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; const unsigned limit = data_len - lag;
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;
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; FLAC__ASSERT(lag > 0);
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; FLAC__ASSERT(lag <= data_len);
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;
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; for(coeff = 0; coeff < lag; coeff++)
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; autoc[coeff] = 0.0;
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; for(sample = 0; sample <= limit; sample++) {
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; d = data[sample];
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; for(coeff = 0; coeff < lag; coeff++)
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; autoc[coeff] += d * data[sample+coeff];
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; }
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; for(; sample < data_len; sample++) {
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; d = data[sample];
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; for(coeff = 0; coeff < data_len - sample; coeff++)
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; autoc[coeff] += d * data[sample+coeff];
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; }
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; }
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;
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ALIGN 16
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cident FLAC__lpc_compute_autocorrelation_asm_ia32
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;[esp + 28] == autoc[]
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;[esp + 24] == lag
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;[esp + 20] == data_len
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;[esp + 16] == data[]
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;ASSERT(lag > 0)
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;ASSERT(lag <= 33)
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;ASSERT(lag <= data_len)
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.begin:
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push esi
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push edi
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push ebx
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; for(coeff = 0; coeff < lag; coeff++)
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; autoc[coeff] = 0.0;
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mov edi, [esp + 28] ; edi == autoc
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mov ecx, [esp + 24] ; ecx = # of dwords (=lag) of 0 to write
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xor eax, eax
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rep stosd
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; const unsigned limit = data_len - lag;
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mov eax, [esp + 24] ; eax == lag
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mov ecx, [esp + 20]
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sub ecx, eax ; ecx == limit
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mov edi, [esp + 28] ; edi == autoc
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mov esi, [esp + 16] ; esi == data
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inc ecx ; we are looping <= limit so we add one to the counter
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; for(sample = 0; sample <= limit; sample++) {
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; d = data[sample];
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; for(coeff = 0; coeff < lag; coeff++)
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; autoc[coeff] += d * data[sample+coeff];
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; }
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fld dword [esi] ; ST = d <- data[sample]
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; each iteration is 11 bytes so we need (-eax)*11, so we do (-12*eax + eax)
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lea edx, [eax + eax*2]
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neg edx
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lea edx, [eax + edx*4 + .jumper1_0 - .get_eip1]
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call .get_eip1
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.get_eip1:
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pop ebx
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add edx, ebx
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inc edx ; compensate for the shorter opcode on the last iteration
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inc edx ; compensate for the shorter opcode on the last iteration
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inc edx ; compensate for the shorter opcode on the last iteration
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cmp eax, 33
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jne .loop1_start
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sub edx, byte 9 ; compensate for the longer opcodes on the first iteration
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.loop1_start:
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jmp edx
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fld st0 ; ST = d d
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fmul dword [esi + (32*4)] ; ST = d*data[sample+32] d WATCHOUT: not a byte displacement here!
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fadd dword [edi + (32*4)] ; ST = autoc[32]+d*data[sample+32] d WATCHOUT: not a byte displacement here!
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fstp dword [edi + (32*4)] ; autoc[32]+=d*data[sample+32] ST = d WATCHOUT: not a byte displacement here!
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fld st0 ; ST = d d
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fmul dword [esi + (31*4)] ; ST = d*data[sample+31] d
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fadd dword [edi + (31*4)] ; ST = autoc[31]+d*data[sample+31] d
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fstp dword [edi + (31*4)] ; autoc[31]+=d*data[sample+31] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (30*4)] ; ST = d*data[sample+30] d
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fadd dword [edi + (30*4)] ; ST = autoc[30]+d*data[sample+30] d
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fstp dword [edi + (30*4)] ; autoc[30]+=d*data[sample+30] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (29*4)] ; ST = d*data[sample+29] d
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fadd dword [edi + (29*4)] ; ST = autoc[29]+d*data[sample+29] d
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fstp dword [edi + (29*4)] ; autoc[29]+=d*data[sample+29] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (28*4)] ; ST = d*data[sample+28] d
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fadd dword [edi + (28*4)] ; ST = autoc[28]+d*data[sample+28] d
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fstp dword [edi + (28*4)] ; autoc[28]+=d*data[sample+28] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (27*4)] ; ST = d*data[sample+27] d
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fadd dword [edi + (27*4)] ; ST = autoc[27]+d*data[sample+27] d
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fstp dword [edi + (27*4)] ; autoc[27]+=d*data[sample+27] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (26*4)] ; ST = d*data[sample+26] d
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fadd dword [edi + (26*4)] ; ST = autoc[26]+d*data[sample+26] d
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fstp dword [edi + (26*4)] ; autoc[26]+=d*data[sample+26] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (25*4)] ; ST = d*data[sample+25] d
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fadd dword [edi + (25*4)] ; ST = autoc[25]+d*data[sample+25] d
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fstp dword [edi + (25*4)] ; autoc[25]+=d*data[sample+25] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (24*4)] ; ST = d*data[sample+24] d
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fadd dword [edi + (24*4)] ; ST = autoc[24]+d*data[sample+24] d
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fstp dword [edi + (24*4)] ; autoc[24]+=d*data[sample+24] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (23*4)] ; ST = d*data[sample+23] d
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fadd dword [edi + (23*4)] ; ST = autoc[23]+d*data[sample+23] d
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fstp dword [edi + (23*4)] ; autoc[23]+=d*data[sample+23] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (22*4)] ; ST = d*data[sample+22] d
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fadd dword [edi + (22*4)] ; ST = autoc[22]+d*data[sample+22] d
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fstp dword [edi + (22*4)] ; autoc[22]+=d*data[sample+22] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (21*4)] ; ST = d*data[sample+21] d
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fadd dword [edi + (21*4)] ; ST = autoc[21]+d*data[sample+21] d
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fstp dword [edi + (21*4)] ; autoc[21]+=d*data[sample+21] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (20*4)] ; ST = d*data[sample+20] d
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fadd dword [edi + (20*4)] ; ST = autoc[20]+d*data[sample+20] d
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fstp dword [edi + (20*4)] ; autoc[20]+=d*data[sample+20] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (19*4)] ; ST = d*data[sample+19] d
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fadd dword [edi + (19*4)] ; ST = autoc[19]+d*data[sample+19] d
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fstp dword [edi + (19*4)] ; autoc[19]+=d*data[sample+19] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (18*4)] ; ST = d*data[sample+18] d
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fadd dword [edi + (18*4)] ; ST = autoc[18]+d*data[sample+18] d
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fstp dword [edi + (18*4)] ; autoc[18]+=d*data[sample+18] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (17*4)] ; ST = d*data[sample+17] d
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fadd dword [edi + (17*4)] ; ST = autoc[17]+d*data[sample+17] d
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fstp dword [edi + (17*4)] ; autoc[17]+=d*data[sample+17] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (16*4)] ; ST = d*data[sample+16] d
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fadd dword [edi + (16*4)] ; ST = autoc[16]+d*data[sample+16] d
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fstp dword [edi + (16*4)] ; autoc[16]+=d*data[sample+16] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (15*4)] ; ST = d*data[sample+15] d
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fadd dword [edi + (15*4)] ; ST = autoc[15]+d*data[sample+15] d
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fstp dword [edi + (15*4)] ; autoc[15]+=d*data[sample+15] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (14*4)] ; ST = d*data[sample+14] d
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fadd dword [edi + (14*4)] ; ST = autoc[14]+d*data[sample+14] d
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fstp dword [edi + (14*4)] ; autoc[14]+=d*data[sample+14] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (13*4)] ; ST = d*data[sample+13] d
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fadd dword [edi + (13*4)] ; ST = autoc[13]+d*data[sample+13] d
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fstp dword [edi + (13*4)] ; autoc[13]+=d*data[sample+13] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (12*4)] ; ST = d*data[sample+12] d
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fadd dword [edi + (12*4)] ; ST = autoc[12]+d*data[sample+12] d
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fstp dword [edi + (12*4)] ; autoc[12]+=d*data[sample+12] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (11*4)] ; ST = d*data[sample+11] d
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fadd dword [edi + (11*4)] ; ST = autoc[11]+d*data[sample+11] d
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fstp dword [edi + (11*4)] ; autoc[11]+=d*data[sample+11] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + (10*4)] ; ST = d*data[sample+10] d
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fadd dword [edi + (10*4)] ; ST = autoc[10]+d*data[sample+10] d
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fstp dword [edi + (10*4)] ; autoc[10]+=d*data[sample+10] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + ( 9*4)] ; ST = d*data[sample+9] d
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fadd dword [edi + ( 9*4)] ; ST = autoc[9]+d*data[sample+9] d
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fstp dword [edi + ( 9*4)] ; autoc[9]+=d*data[sample+9] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + ( 8*4)] ; ST = d*data[sample+8] d
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fadd dword [edi + ( 8*4)] ; ST = autoc[8]+d*data[sample+8] d
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fstp dword [edi + ( 8*4)] ; autoc[8]+=d*data[sample+8] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + ( 7*4)] ; ST = d*data[sample+7] d
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fadd dword [edi + ( 7*4)] ; ST = autoc[7]+d*data[sample+7] d
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fstp dword [edi + ( 7*4)] ; autoc[7]+=d*data[sample+7] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + ( 6*4)] ; ST = d*data[sample+6] d
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fadd dword [edi + ( 6*4)] ; ST = autoc[6]+d*data[sample+6] d
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fstp dword [edi + ( 6*4)] ; autoc[6]+=d*data[sample+6] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + ( 5*4)] ; ST = d*data[sample+4] d
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fadd dword [edi + ( 5*4)] ; ST = autoc[4]+d*data[sample+4] d
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fstp dword [edi + ( 5*4)] ; autoc[4]+=d*data[sample+4] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + ( 4*4)] ; ST = d*data[sample+4] d
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fadd dword [edi + ( 4*4)] ; ST = autoc[4]+d*data[sample+4] d
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fstp dword [edi + ( 4*4)] ; autoc[4]+=d*data[sample+4] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + ( 3*4)] ; ST = d*data[sample+3] d
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fadd dword [edi + ( 3*4)] ; ST = autoc[3]+d*data[sample+3] d
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fstp dword [edi + ( 3*4)] ; autoc[3]+=d*data[sample+3] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + ( 2*4)] ; ST = d*data[sample+2] d
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fadd dword [edi + ( 2*4)] ; ST = autoc[2]+d*data[sample+2] d
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fstp dword [edi + ( 2*4)] ; autoc[2]+=d*data[sample+2] ST = d
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fld st0 ; ST = d d
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fmul dword [esi + ( 1*4)] ; ST = d*data[sample+1] d
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fadd dword [edi + ( 1*4)] ; ST = autoc[1]+d*data[sample+1] d
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fstp dword [edi + ( 1*4)] ; autoc[1]+=d*data[sample+1] ST = d
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fld st0 ; ST = d d
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fmul dword [esi] ; ST = d*data[sample] d WATCHOUT: no displacement byte here!
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fadd dword [edi] ; ST = autoc[0]+d*data[sample] d WATCHOUT: no displacement byte here!
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fstp dword [edi] ; autoc[0]+=d*data[sample] ST = d WATCHOUT: no displacement byte here!
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.jumper1_0:
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fstp st0 ; pop d, ST = empty
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add esi, byte 4 ; sample++
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dec ecx
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jz .loop1_end
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fld dword [esi] ; ST = d <- data[sample]
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jmp edx
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.loop1_end:
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|
|
; for(; sample < data_len; sample++) {
|
||
|
|
; d = data[sample];
|
||
|
|
; for(coeff = 0; coeff < data_len - sample; coeff++)
|
||
|
|
; autoc[coeff] += d * data[sample+coeff];
|
||
|
|
; }
|
||
|
|
mov ecx, [esp + 24] ; ecx <- lag
|
||
|
|
dec ecx ; ecx <- lag - 1
|
||
|
|
jz near .end ; skip loop if 0 (i.e. lag == 1)
|
||
|
|
|
||
|
|
fld dword [esi] ; ST = d <- data[sample]
|
||
|
|
mov eax, ecx ; eax <- lag - 1 == data_len - sample the first time through
|
||
|
|
; each iteration is 11 bytes so we need (-eax)*11, so we do (-12*eax + eax)
|
||
|
|
lea edx, [eax + eax*2]
|
||
|
|
neg edx
|
||
|
|
lea edx, [eax + edx*4 + .jumper2_0 - .get_eip2]
|
||
|
|
call .get_eip2
|
||
|
|
.get_eip2:
|
||
|
|
pop ebx
|
||
|
|
add edx, ebx
|
||
|
|
inc edx ; compensate for the shorter opcode on the last iteration
|
||
|
|
inc edx ; compensate for the shorter opcode on the last iteration
|
||
|
|
inc edx ; compensate for the shorter opcode on the last iteration
|
||
|
|
jmp edx
|
||
|
|
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (31*4)] ; ST = d*data[sample+31] d
|
||
|
|
fadd dword [edi + (31*4)] ; ST = autoc[31]+d*data[sample+31] d
|
||
|
|
fstp dword [edi + (31*4)] ; autoc[31]+=d*data[sample+31] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (30*4)] ; ST = d*data[sample+30] d
|
||
|
|
fadd dword [edi + (30*4)] ; ST = autoc[30]+d*data[sample+30] d
|
||
|
|
fstp dword [edi + (30*4)] ; autoc[30]+=d*data[sample+30] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (29*4)] ; ST = d*data[sample+29] d
|
||
|
|
fadd dword [edi + (29*4)] ; ST = autoc[29]+d*data[sample+29] d
|
||
|
|
fstp dword [edi + (29*4)] ; autoc[29]+=d*data[sample+29] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (28*4)] ; ST = d*data[sample+28] d
|
||
|
|
fadd dword [edi + (28*4)] ; ST = autoc[28]+d*data[sample+28] d
|
||
|
|
fstp dword [edi + (28*4)] ; autoc[28]+=d*data[sample+28] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (27*4)] ; ST = d*data[sample+27] d
|
||
|
|
fadd dword [edi + (27*4)] ; ST = autoc[27]+d*data[sample+27] d
|
||
|
|
fstp dword [edi + (27*4)] ; autoc[27]+=d*data[sample+27] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (26*4)] ; ST = d*data[sample+26] d
|
||
|
|
fadd dword [edi + (26*4)] ; ST = autoc[26]+d*data[sample+26] d
|
||
|
|
fstp dword [edi + (26*4)] ; autoc[26]+=d*data[sample+26] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (25*4)] ; ST = d*data[sample+25] d
|
||
|
|
fadd dword [edi + (25*4)] ; ST = autoc[25]+d*data[sample+25] d
|
||
|
|
fstp dword [edi + (25*4)] ; autoc[25]+=d*data[sample+25] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (24*4)] ; ST = d*data[sample+24] d
|
||
|
|
fadd dword [edi + (24*4)] ; ST = autoc[24]+d*data[sample+24] d
|
||
|
|
fstp dword [edi + (24*4)] ; autoc[24]+=d*data[sample+24] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (23*4)] ; ST = d*data[sample+23] d
|
||
|
|
fadd dword [edi + (23*4)] ; ST = autoc[23]+d*data[sample+23] d
|
||
|
|
fstp dword [edi + (23*4)] ; autoc[23]+=d*data[sample+23] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (22*4)] ; ST = d*data[sample+22] d
|
||
|
|
fadd dword [edi + (22*4)] ; ST = autoc[22]+d*data[sample+22] d
|
||
|
|
fstp dword [edi + (22*4)] ; autoc[22]+=d*data[sample+22] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (21*4)] ; ST = d*data[sample+21] d
|
||
|
|
fadd dword [edi + (21*4)] ; ST = autoc[21]+d*data[sample+21] d
|
||
|
|
fstp dword [edi + (21*4)] ; autoc[21]+=d*data[sample+21] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (20*4)] ; ST = d*data[sample+20] d
|
||
|
|
fadd dword [edi + (20*4)] ; ST = autoc[20]+d*data[sample+20] d
|
||
|
|
fstp dword [edi + (20*4)] ; autoc[20]+=d*data[sample+20] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (19*4)] ; ST = d*data[sample+19] d
|
||
|
|
fadd dword [edi + (19*4)] ; ST = autoc[19]+d*data[sample+19] d
|
||
|
|
fstp dword [edi + (19*4)] ; autoc[19]+=d*data[sample+19] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (18*4)] ; ST = d*data[sample+18] d
|
||
|
|
fadd dword [edi + (18*4)] ; ST = autoc[18]+d*data[sample+18] d
|
||
|
|
fstp dword [edi + (18*4)] ; autoc[18]+=d*data[sample+18] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (17*4)] ; ST = d*data[sample+17] d
|
||
|
|
fadd dword [edi + (17*4)] ; ST = autoc[17]+d*data[sample+17] d
|
||
|
|
fstp dword [edi + (17*4)] ; autoc[17]+=d*data[sample+17] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (16*4)] ; ST = d*data[sample+16] d
|
||
|
|
fadd dword [edi + (16*4)] ; ST = autoc[16]+d*data[sample+16] d
|
||
|
|
fstp dword [edi + (16*4)] ; autoc[16]+=d*data[sample+16] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (15*4)] ; ST = d*data[sample+15] d
|
||
|
|
fadd dword [edi + (15*4)] ; ST = autoc[15]+d*data[sample+15] d
|
||
|
|
fstp dword [edi + (15*4)] ; autoc[15]+=d*data[sample+15] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (14*4)] ; ST = d*data[sample+14] d
|
||
|
|
fadd dword [edi + (14*4)] ; ST = autoc[14]+d*data[sample+14] d
|
||
|
|
fstp dword [edi + (14*4)] ; autoc[14]+=d*data[sample+14] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (13*4)] ; ST = d*data[sample+13] d
|
||
|
|
fadd dword [edi + (13*4)] ; ST = autoc[13]+d*data[sample+13] d
|
||
|
|
fstp dword [edi + (13*4)] ; autoc[13]+=d*data[sample+13] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (12*4)] ; ST = d*data[sample+12] d
|
||
|
|
fadd dword [edi + (12*4)] ; ST = autoc[12]+d*data[sample+12] d
|
||
|
|
fstp dword [edi + (12*4)] ; autoc[12]+=d*data[sample+12] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (11*4)] ; ST = d*data[sample+11] d
|
||
|
|
fadd dword [edi + (11*4)] ; ST = autoc[11]+d*data[sample+11] d
|
||
|
|
fstp dword [edi + (11*4)] ; autoc[11]+=d*data[sample+11] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + (10*4)] ; ST = d*data[sample+10] d
|
||
|
|
fadd dword [edi + (10*4)] ; ST = autoc[10]+d*data[sample+10] d
|
||
|
|
fstp dword [edi + (10*4)] ; autoc[10]+=d*data[sample+10] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + ( 9*4)] ; ST = d*data[sample+9] d
|
||
|
|
fadd dword [edi + ( 9*4)] ; ST = autoc[9]+d*data[sample+9] d
|
||
|
|
fstp dword [edi + ( 9*4)] ; autoc[9]+=d*data[sample+9] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + ( 8*4)] ; ST = d*data[sample+8] d
|
||
|
|
fadd dword [edi + ( 8*4)] ; ST = autoc[8]+d*data[sample+8] d
|
||
|
|
fstp dword [edi + ( 8*4)] ; autoc[8]+=d*data[sample+8] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + ( 7*4)] ; ST = d*data[sample+7] d
|
||
|
|
fadd dword [edi + ( 7*4)] ; ST = autoc[7]+d*data[sample+7] d
|
||
|
|
fstp dword [edi + ( 7*4)] ; autoc[7]+=d*data[sample+7] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + ( 6*4)] ; ST = d*data[sample+6] d
|
||
|
|
fadd dword [edi + ( 6*4)] ; ST = autoc[6]+d*data[sample+6] d
|
||
|
|
fstp dword [edi + ( 6*4)] ; autoc[6]+=d*data[sample+6] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + ( 5*4)] ; ST = d*data[sample+4] d
|
||
|
|
fadd dword [edi + ( 5*4)] ; ST = autoc[4]+d*data[sample+4] d
|
||
|
|
fstp dword [edi + ( 5*4)] ; autoc[4]+=d*data[sample+4] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + ( 4*4)] ; ST = d*data[sample+4] d
|
||
|
|
fadd dword [edi + ( 4*4)] ; ST = autoc[4]+d*data[sample+4] d
|
||
|
|
fstp dword [edi + ( 4*4)] ; autoc[4]+=d*data[sample+4] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + ( 3*4)] ; ST = d*data[sample+3] d
|
||
|
|
fadd dword [edi + ( 3*4)] ; ST = autoc[3]+d*data[sample+3] d
|
||
|
|
fstp dword [edi + ( 3*4)] ; autoc[3]+=d*data[sample+3] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + ( 2*4)] ; ST = d*data[sample+2] d
|
||
|
|
fadd dword [edi + ( 2*4)] ; ST = autoc[2]+d*data[sample+2] d
|
||
|
|
fstp dword [edi + ( 2*4)] ; autoc[2]+=d*data[sample+2] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi + ( 1*4)] ; ST = d*data[sample+1] d
|
||
|
|
fadd dword [edi + ( 1*4)] ; ST = autoc[1]+d*data[sample+1] d
|
||
|
|
fstp dword [edi + ( 1*4)] ; autoc[1]+=d*data[sample+1] ST = d
|
||
|
|
fld st0 ; ST = d d
|
||
|
|
fmul dword [esi] ; ST = d*data[sample] d WATCHOUT: no displacement byte here!
|
||
|
|
fadd dword [edi] ; ST = autoc[0]+d*data[sample] d WATCHOUT: no displacement byte here!
|
||
|
|
fstp dword [edi] ; autoc[0]+=d*data[sample] ST = d WATCHOUT: no displacement byte here!
|
||
|
|
.jumper2_0:
|
||
|
|
|
||
|
|
fstp st0 ; pop d, ST = empty
|
||
|
|
add esi, byte 4 ; sample++
|
||
|
|
dec ecx
|
||
|
|
jz .loop2_end
|
||
|
|
add edx, byte 11 ; adjust our inner loop counter by adjusting the jump target
|
||
|
|
fld dword [esi] ; ST = d <- data[sample]
|
||
|
|
jmp edx
|
||
|
|
.loop2_end:
|
||
|
|
|
||
|
|
.end:
|
||
|
|
pop ebx
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
ret
|
||
|
|
|
||
|
|
ALIGN 16
|
||
|
|
cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4
|
||
|
|
;[esp + 16] == autoc[]
|
||
|
|
;[esp + 12] == lag
|
||
|
|
;[esp + 8] == data_len
|
||
|
|
;[esp + 4] == data[]
|
||
|
|
|
||
|
|
;ASSERT(lag > 0)
|
||
|
|
;ASSERT(lag <= 4)
|
||
|
|
;ASSERT(lag <= data_len)
|
||
|
|
|
||
|
|
; for(coeff = 0; coeff < lag; coeff++)
|
||
|
|
; autoc[coeff] = 0.0;
|
||
|
|
xorps xmm5, xmm5
|
||
|
|
|
||
|
|
mov edx, [esp + 8] ; edx == data_len
|
||
|
|
mov eax, [esp + 4] ; eax == &data[sample] <- &data[0]
|
||
|
|
|
||
|
|
movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
|
||
|
|
add eax, 4
|
||
|
|
movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0]
|
||
|
|
shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
|
||
|
|
.warmup: ; xmm2 == data[sample-3],data[sample-2],data[sample-1],data[sample]
|
||
|
|
mulps xmm0, xmm2 ; xmm0 = xmm0 * xmm2
|
||
|
|
addps xmm5, xmm0 ; xmm5 += xmm0 * xmm2
|
||
|
|
dec edx
|
||
|
|
jz .loop_end
|
||
|
|
ALIGN 16
|
||
|
|
.loop_start:
|
||
|
|
; start by reading the next sample
|
||
|
|
movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
|
||
|
|
add eax, 4
|
||
|
|
shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample]
|
||
|
|
shufps xmm2, xmm2, 93h ; 93h=2-1-0-3 => xmm2 gets rotated left by one float
|
||
|
|
movss xmm2, xmm0
|
||
|
|
mulps xmm0, xmm2 ; xmm0 = xmm0 * xmm2
|
||
|
|
addps xmm5, xmm0 ; xmm5 += xmm0 * xmm2
|
||
|
|
dec edx
|
||
|
|
jnz .loop_start
|
||
|
|
.loop_end:
|
||
|
|
; store autoc
|
||
|
|
mov edx, [esp + 16] ; edx == autoc
|
||
|
|
movups [edx], xmm5
|
||
|
|
|
||
|
|
.end:
|
||
|
|
ret
|
||
|
|
|
||
|
|
ALIGN 16
|
||
|
|
cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8
|
||
|
|
;[esp + 16] == autoc[]
|
||
|
|
;[esp + 12] == lag
|
||
|
|
;[esp + 8] == data_len
|
||
|
|
;[esp + 4] == data[]
|
||
|
|
|
||
|
|
;ASSERT(lag > 0)
|
||
|
|
;ASSERT(lag <= 8)
|
||
|
|
;ASSERT(lag <= data_len)
|
||
|
|
|
||
|
|
; for(coeff = 0; coeff < lag; coeff++)
|
||
|
|
; autoc[coeff] = 0.0;
|
||
|
|
xorps xmm5, xmm5
|
||
|
|
xorps xmm6, xmm6
|
||
|
|
|
||
|
|
mov edx, [esp + 8] ; edx == data_len
|
||
|
|
mov eax, [esp + 4] ; eax == &data[sample] <- &data[0]
|
||
|
|
|
||
|
|
movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
|
||
|
|
add eax, 4
|
||
|
|
movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0]
|
||
|
|
shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
|
||
|
|
movaps xmm1, xmm0 ; xmm1 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
|
||
|
|
xorps xmm3, xmm3 ; xmm3 = 0,0,0,0
|
||
|
|
.warmup: ; xmm3:xmm2 == data[sample-7],data[sample-6],...,data[sample]
|
||
|
|
mulps xmm0, xmm2
|
||
|
|
mulps xmm1, xmm3 ; xmm1:xmm0 = xmm1:xmm0 * xmm3:xmm2
|
||
|
|
addps xmm5, xmm0
|
||
|
|
addps xmm6, xmm1 ; xmm6:xmm5 += xmm1:xmm0 * xmm3:xmm2
|
||
|
|
dec edx
|
||
|
|
jz .loop_end
|
||
|
|
ALIGN 16
|
||
|
|
.loop_start:
|
||
|
|
; start by reading the next sample
|
||
|
|
movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
|
||
|
|
; here we reorder the instructions; see the (#) indexes for a logical order
|
||
|
|
shufps xmm2, xmm2, 93h ; (3) 93h=2-1-0-3 => xmm2 gets rotated left by one float
|
||
|
|
add eax, 4 ; (0)
|
||
|
|
shufps xmm3, xmm3, 93h ; (4) 93h=2-1-0-3 => xmm3 gets rotated left by one float
|
||
|
|
shufps xmm0, xmm0, 0 ; (1) xmm0 = data[sample],data[sample],data[sample],data[sample]
|
||
|
|
movss xmm3, xmm2 ; (5)
|
||
|
|
movaps xmm1, xmm0 ; (2) xmm1 = data[sample],data[sample],data[sample],data[sample]
|
||
|
|
movss xmm2, xmm0 ; (6)
|
||
|
|
mulps xmm1, xmm3 ; (8)
|
||
|
|
mulps xmm0, xmm2 ; (7) xmm1:xmm0 = xmm1:xmm0 * xmm3:xmm2
|
||
|
|
addps xmm6, xmm1 ; (10)
|
||
|
|
addps xmm5, xmm0 ; (9) xmm6:xmm5 += xmm1:xmm0 * xmm3:xmm2
|
||
|
|
dec edx
|
||
|
|
jnz .loop_start
|
||
|
|
.loop_end:
|
||
|
|
; store autoc
|
||
|
|
mov edx, [esp + 16] ; edx == autoc
|
||
|
|
movups [edx], xmm5
|
||
|
|
movups [edx + 16], xmm6
|
||
|
|
|
||
|
|
.end:
|
||
|
|
ret
|
||
|
|
|
||
|
|
ALIGN 16
|
||
|
|
cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12
|
||
|
|
;[esp + 16] == autoc[]
|
||
|
|
;[esp + 12] == lag
|
||
|
|
;[esp + 8] == data_len
|
||
|
|
;[esp + 4] == data[]
|
||
|
|
|
||
|
|
;ASSERT(lag > 0)
|
||
|
|
;ASSERT(lag <= 12)
|
||
|
|
;ASSERT(lag <= data_len)
|
||
|
|
|
||
|
|
; for(coeff = 0; coeff < lag; coeff++)
|
||
|
|
; autoc[coeff] = 0.0;
|
||
|
|
xorps xmm5, xmm5
|
||
|
|
xorps xmm6, xmm6
|
||
|
|
xorps xmm7, xmm7
|
||
|
|
|
||
|
|
mov edx, [esp + 8] ; edx == data_len
|
||
|
|
mov eax, [esp + 4] ; eax == &data[sample] <- &data[0]
|
||
|
|
|
||
|
|
movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
|
||
|
|
add eax, 4
|
||
|
|
movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0]
|
||
|
|
shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
|
||
|
|
xorps xmm3, xmm3 ; xmm3 = 0,0,0,0
|
||
|
|
xorps xmm4, xmm4 ; xmm4 = 0,0,0,0
|
||
|
|
.warmup: ; xmm3:xmm2 == data[sample-7],data[sample-6],...,data[sample]
|
||
|
|
movaps xmm1, xmm0
|
||
|
|
mulps xmm1, xmm2
|
||
|
|
addps xmm5, xmm1
|
||
|
|
movaps xmm1, xmm0
|
||
|
|
mulps xmm1, xmm3
|
||
|
|
addps xmm6, xmm1
|
||
|
|
mulps xmm0, xmm4
|
||
|
|
addps xmm7, xmm0 ; xmm7:xmm6:xmm5 += xmm0:xmm0:xmm0 * xmm4:xmm3:xmm2
|
||
|
|
dec edx
|
||
|
|
jz .loop_end
|
||
|
|
ALIGN 16
|
||
|
|
.loop_start:
|
||
|
|
; start by reading the next sample
|
||
|
|
movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
|
||
|
|
add eax, 4
|
||
|
|
shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample]
|
||
|
|
|
||
|
|
; shift xmm4:xmm3:xmm2 left by one float
|
||
|
|
shufps xmm2, xmm2, 93h ; 93h=2-1-0-3 => xmm2 gets rotated left by one float
|
||
|
|
shufps xmm3, xmm3, 93h ; 93h=2-1-0-3 => xmm3 gets rotated left by one float
|
||
|
|
shufps xmm4, xmm4, 93h ; 93h=2-1-0-3 => xmm4 gets rotated left by one float
|
||
|
|
movss xmm4, xmm3
|
||
|
|
movss xmm3, xmm2
|
||
|
|
movss xmm2, xmm0
|
||
|
|
|
||
|
|
; xmm7:xmm6:xmm5 += xmm0:xmm0:xmm0 * xmm3:xmm3:xmm2
|
||
|
|
movaps xmm1, xmm0
|
||
|
|
mulps xmm1, xmm2
|
||
|
|
addps xmm5, xmm1
|
||
|
|
movaps xmm1, xmm0
|
||
|
|
mulps xmm1, xmm3
|
||
|
|
addps xmm6, xmm1
|
||
|
|
mulps xmm0, xmm4
|
||
|
|
addps xmm7, xmm0
|
||
|
|
|
||
|
|
dec edx
|
||
|
|
jnz .loop_start
|
||
|
|
.loop_end:
|
||
|
|
; store autoc
|
||
|
|
mov edx, [esp + 16] ; edx == autoc
|
||
|
|
movups [edx], xmm5
|
||
|
|
movups [edx + 16], xmm6
|
||
|
|
movups [edx + 32], xmm7
|
||
|
|
|
||
|
|
.end:
|
||
|
|
ret
|
||
|
|
|
||
|
|
align 16
|
||
|
|
cident FLAC__lpc_compute_autocorrelation_asm_ia32_3dnow
|
||
|
|
;[ebp + 32] autoc
|
||
|
|
;[ebp + 28] lag
|
||
|
|
;[ebp + 24] data_len
|
||
|
|
;[ebp + 20] data
|
||
|
|
|
||
|
|
push ebp
|
||
|
|
push ebx
|
||
|
|
push esi
|
||
|
|
push edi
|
||
|
|
mov ebp, esp
|
||
|
|
|
||
|
|
mov esi, [ebp + 20]
|
||
|
|
mov edi, [ebp + 24]
|
||
|
|
mov edx, [ebp + 28]
|
||
|
|
inc edx
|
||
|
|
and edx, byte -2
|
||
|
|
mov eax, edx
|
||
|
|
neg eax
|
||
|
|
and esp, byte -8
|
||
|
|
lea esp, [esp + 4 * eax]
|
||
|
|
mov ecx, edx
|
||
|
|
xor eax, eax
|
||
|
|
.loop0:
|
||
|
|
dec ecx
|
||
|
|
mov [esp + 4 * ecx], eax
|
||
|
|
jnz short .loop0
|
||
|
|
|
||
|
|
mov eax, edi
|
||
|
|
sub eax, edx
|
||
|
|
mov ebx, edx
|
||
|
|
and ebx, byte 1
|
||
|
|
sub eax, ebx
|
||
|
|
lea ecx, [esi + 4 * eax - 12]
|
||
|
|
cmp esi, ecx
|
||
|
|
mov eax, esi
|
||
|
|
ja short .loop2_pre
|
||
|
|
align 16 ;4 nops
|
||
|
|
.loop1_i:
|
||
|
|
movd mm0, [eax]
|
||
|
|
movd mm2, [eax + 4]
|
||
|
|
movd mm4, [eax + 8]
|
||
|
|
movd mm6, [eax + 12]
|
||
|
|
mov ebx, edx
|
||
|
|
punpckldq mm0, mm0
|
||
|
|
punpckldq mm2, mm2
|
||
|
|
punpckldq mm4, mm4
|
||
|
|
punpckldq mm6, mm6
|
||
|
|
align 16 ;3 nops
|
||
|
|
.loop1_j:
|
||
|
|
sub ebx, byte 2
|
||
|
|
movd mm1, [eax + 4 * ebx]
|
||
|
|
movd mm3, [eax + 4 * ebx + 4]
|
||
|
|
movd mm5, [eax + 4 * ebx + 8]
|
||
|
|
movd mm7, [eax + 4 * ebx + 12]
|
||
|
|
punpckldq mm1, mm3
|
||
|
|
punpckldq mm3, mm5
|
||
|
|
pfmul mm1, mm0
|
||
|
|
punpckldq mm5, mm7
|
||
|
|
pfmul mm3, mm2
|
||
|
|
punpckldq mm7, [eax + 4 * ebx + 16]
|
||
|
|
pfmul mm5, mm4
|
||
|
|
pfmul mm7, mm6
|
||
|
|
pfadd mm1, mm3
|
||
|
|
movq mm3, [esp + 4 * ebx]
|
||
|
|
pfadd mm5, mm7
|
||
|
|
pfadd mm1, mm5
|
||
|
|
pfadd mm3, mm1
|
||
|
|
movq [esp + 4 * ebx], mm3
|
||
|
|
jg short .loop1_j
|
||
|
|
|
||
|
|
add eax, byte 16
|
||
|
|
cmp eax, ecx
|
||
|
|
jb short .loop1_i
|
||
|
|
|
||
|
|
.loop2_pre:
|
||
|
|
mov ebx, eax
|
||
|
|
sub eax, esi
|
||
|
|
shr eax, 2
|
||
|
|
lea ecx, [esi + 4 * edi]
|
||
|
|
mov esi, ebx
|
||
|
|
.loop2_i:
|
||
|
|
movd mm0, [esi]
|
||
|
|
mov ebx, edi
|
||
|
|
sub ebx, eax
|
||
|
|
cmp ebx, edx
|
||
|
|
jbe short .loop2_j
|
||
|
|
mov ebx, edx
|
||
|
|
.loop2_j:
|
||
|
|
dec ebx
|
||
|
|
movd mm1, [esi + 4 * ebx]
|
||
|
|
pfmul mm1, mm0
|
||
|
|
movd mm2, [esp + 4 * ebx]
|
||
|
|
pfadd mm1, mm2
|
||
|
|
movd [esp + 4 * ebx], mm1
|
||
|
|
|
||
|
|
jnz short .loop2_j
|
||
|
|
|
||
|
|
add esi, byte 4
|
||
|
|
inc eax
|
||
|
|
cmp esi, ecx
|
||
|
|
jnz short .loop2_i
|
||
|
|
|
||
|
|
mov edi, [ebp + 32]
|
||
|
|
mov edx, [ebp + 28]
|
||
|
|
.loop3:
|
||
|
|
dec edx
|
||
|
|
mov eax, [esp + 4 * edx]
|
||
|
|
mov [edi + 4 * edx], eax
|
||
|
|
jnz short .loop3
|
||
|
|
|
||
|
|
femms
|
||
|
|
|
||
|
|
mov esp, ebp
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
pop ebx
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
|
||
|
|
;void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 data[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
|
||
|
|
;
|
||
|
|
; for(i = 0; i < data_len; i++) {
|
||
|
|
; sum = 0;
|
||
|
|
; for(j = 0; j < order; j++)
|
||
|
|
; sum += qlp_coeff[j] * data[i-j-1];
|
||
|
|
; residual[i] = data[i] - (sum >> lp_quantization);
|
||
|
|
; }
|
||
|
|
;
|
||
|
|
ALIGN 16
|
||
|
|
cident FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32
|
||
|
|
;[esp + 40] residual[]
|
||
|
|
;[esp + 36] lp_quantization
|
||
|
|
;[esp + 32] order
|
||
|
|
;[esp + 28] qlp_coeff[]
|
||
|
|
;[esp + 24] data_len
|
||
|
|
;[esp + 20] data[]
|
||
|
|
|
||
|
|
;ASSERT(order > 0)
|
||
|
|
|
||
|
|
push ebp
|
||
|
|
push ebx
|
||
|
|
push esi
|
||
|
|
push edi
|
||
|
|
|
||
|
|
mov esi, [esp + 20] ; esi = data[]
|
||
|
|
mov edi, [esp + 40] ; edi = residual[]
|
||
|
|
mov eax, [esp + 32] ; eax = order
|
||
|
|
mov ebx, [esp + 24] ; ebx = data_len
|
||
|
|
|
||
|
|
test ebx, ebx
|
||
|
|
jz near .end ; do nothing if data_len == 0
|
||
|
|
.begin:
|
||
|
|
cmp eax, byte 1
|
||
|
|
jg short .i_1more
|
||
|
|
|
||
|
|
mov ecx, [esp + 28]
|
||
|
|
mov edx, [ecx] ; edx = qlp_coeff[0]
|
||
|
|
mov eax, [esi - 4] ; eax = data[-1]
|
||
|
|
mov cl, [esp + 36] ; cl = lp_quantization
|
||
|
|
ALIGN 16
|
||
|
|
.i_1_loop_i:
|
||
|
|
imul eax, edx
|
||
|
|
sar eax, cl
|
||
|
|
neg eax
|
||
|
|
add eax, [esi]
|
||
|
|
mov [edi], eax
|
||
|
|
mov eax, [esi]
|
||
|
|
add edi, byte 4
|
||
|
|
add esi, byte 4
|
||
|
|
dec ebx
|
||
|
|
jnz .i_1_loop_i
|
||
|
|
|
||
|
|
jmp .end
|
||
|
|
|
||
|
|
.i_1more:
|
||
|
|
cmp eax, byte 32 ; for order <= 32 there is a faster routine
|
||
|
|
jbe short .i_32
|
||
|
|
|
||
|
|
; This version is here just for completeness, since FLAC__MAX_LPC_ORDER == 32
|
||
|
|
ALIGN 16
|
||
|
|
.i_32more_loop_i:
|
||
|
|
xor ebp, ebp
|
||
|
|
mov ecx, [esp + 32]
|
||
|
|
mov edx, ecx
|
||
|
|
shl edx, 2
|
||
|
|
add edx, [esp + 28]
|
||
|
|
neg ecx
|
||
|
|
ALIGN 16
|
||
|
|
.i_32more_loop_j:
|
||
|
|
sub edx, byte 4
|
||
|
|
mov eax, [edx]
|
||
|
|
imul eax, [esi + 4 * ecx]
|
||
|
|
add ebp, eax
|
||
|
|
inc ecx
|
||
|
|
jnz short .i_32more_loop_j
|
||
|
|
|
||
|
|
mov cl, [esp + 36]
|
||
|
|
sar ebp, cl
|
||
|
|
neg ebp
|
||
|
|
add ebp, [esi]
|
||
|
|
mov [edi], ebp
|
||
|
|
add esi, byte 4
|
||
|
|
add edi, byte 4
|
||
|
|
|
||
|
|
dec ebx
|
||
|
|
jnz .i_32more_loop_i
|
||
|
|
|
||
|
|
jmp .end
|
||
|
|
|
||
|
|
.i_32:
|
||
|
|
sub edi, esi
|
||
|
|
neg eax
|
||
|
|
lea edx, [eax + eax * 8 + .jumper_0 - .get_eip0]
|
||
|
|
call .get_eip0
|
||
|
|
.get_eip0:
|
||
|
|
pop eax
|
||
|
|
add edx, eax
|
||
|
|
inc edx
|
||
|
|
mov eax, [esp + 28] ; eax = qlp_coeff[]
|
||
|
|
xor ebp, ebp
|
||
|
|
jmp edx
|
||
|
|
|
||
|
|
mov ecx, [eax + 124]
|
||
|
|
imul ecx, [esi - 128]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 120]
|
||
|
|
imul ecx, [esi - 124]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 116]
|
||
|
|
imul ecx, [esi - 120]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 112]
|
||
|
|
imul ecx, [esi - 116]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 108]
|
||
|
|
imul ecx, [esi - 112]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 104]
|
||
|
|
imul ecx, [esi - 108]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 100]
|
||
|
|
imul ecx, [esi - 104]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 96]
|
||
|
|
imul ecx, [esi - 100]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 92]
|
||
|
|
imul ecx, [esi - 96]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 88]
|
||
|
|
imul ecx, [esi - 92]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 84]
|
||
|
|
imul ecx, [esi - 88]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 80]
|
||
|
|
imul ecx, [esi - 84]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 76]
|
||
|
|
imul ecx, [esi - 80]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 72]
|
||
|
|
imul ecx, [esi - 76]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 68]
|
||
|
|
imul ecx, [esi - 72]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 64]
|
||
|
|
imul ecx, [esi - 68]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 60]
|
||
|
|
imul ecx, [esi - 64]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 56]
|
||
|
|
imul ecx, [esi - 60]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 52]
|
||
|
|
imul ecx, [esi - 56]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 48]
|
||
|
|
imul ecx, [esi - 52]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 44]
|
||
|
|
imul ecx, [esi - 48]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 40]
|
||
|
|
imul ecx, [esi - 44]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 36]
|
||
|
|
imul ecx, [esi - 40]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 32]
|
||
|
|
imul ecx, [esi - 36]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 28]
|
||
|
|
imul ecx, [esi - 32]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 24]
|
||
|
|
imul ecx, [esi - 28]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 20]
|
||
|
|
imul ecx, [esi - 24]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 16]
|
||
|
|
imul ecx, [esi - 20]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 12]
|
||
|
|
imul ecx, [esi - 16]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 8]
|
||
|
|
imul ecx, [esi - 12]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax + 4]
|
||
|
|
imul ecx, [esi - 8]
|
||
|
|
add ebp, ecx
|
||
|
|
mov ecx, [eax] ; there is one byte missing
|
||
|
|
imul ecx, [esi - 4]
|
||
|
|
add ebp, ecx
|
||
|
|
.jumper_0:
|
||
|
|
|
||
|
|
mov cl, [esp + 36]
|
||
|
|
sar ebp, cl
|
||
|
|
neg ebp
|
||
|
|
add ebp, [esi]
|
||
|
|
mov [edi + esi], ebp
|
||
|
|
add esi, byte 4
|
||
|
|
|
||
|
|
dec ebx
|
||
|
|
jz short .end
|
||
|
|
xor ebp, ebp
|
||
|
|
jmp edx
|
||
|
|
|
||
|
|
.end:
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
pop ebx
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
|
||
|
|
; WATCHOUT: this routine works on 16 bit data which means bits-per-sample for
|
||
|
|
; the channel must be <= 16. Especially note that this routine cannot be used
|
||
|
|
; for side-channel coded 16bps channels since the effective bps is 17.
|
||
|
|
ALIGN 16
|
||
|
|
cident FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx
|
||
|
|
;[esp + 40] residual[]
|
||
|
|
;[esp + 36] lp_quantization
|
||
|
|
;[esp + 32] order
|
||
|
|
;[esp + 28] qlp_coeff[]
|
||
|
|
;[esp + 24] data_len
|
||
|
|
;[esp + 20] data[]
|
||
|
|
|
||
|
|
;ASSERT(order > 0)
|
||
|
|
|
||
|
|
push ebp
|
||
|
|
push ebx
|
||
|
|
push esi
|
||
|
|
push edi
|
||
|
|
|
||
|
|
mov esi, [esp + 20] ; esi = data[]
|
||
|
|
mov edi, [esp + 40] ; edi = residual[]
|
||
|
|
mov eax, [esp + 32] ; eax = order
|
||
|
|
mov ebx, [esp + 24] ; ebx = data_len
|
||
|
|
|
||
|
|
test ebx, ebx
|
||
|
|
jz near .end ; do nothing if data_len == 0
|
||
|
|
dec ebx
|
||
|
|
test ebx, ebx
|
||
|
|
jz near .last_one
|
||
|
|
|
||
|
|
mov edx, [esp + 28] ; edx = qlp_coeff[]
|
||
|
|
movd mm6, [esp + 36] ; mm6 = 0:lp_quantization
|
||
|
|
mov ebp, esp
|
||
|
|
|
||
|
|
and esp, 0xfffffff8
|
||
|
|
|
||
|
|
xor ecx, ecx
|
||
|
|
.copy_qlp_loop:
|
||
|
|
push word [edx + 4 * ecx]
|
||
|
|
inc ecx
|
||
|
|
cmp ecx, eax
|
||
|
|
jnz short .copy_qlp_loop
|
||
|
|
|
||
|
|
and ecx, 0x3
|
||
|
|
test ecx, ecx
|
||
|
|
je short .za_end
|
||
|
|
sub ecx, byte 4
|
||
|
|
.za_loop:
|
||
|
|
push word 0
|
||
|
|
inc eax
|
||
|
|
inc ecx
|
||
|
|
jnz short .za_loop
|
||
|
|
.za_end:
|
||
|
|
|
||
|
|
movq mm5, [esp + 2 * eax - 8]
|
||
|
|
movd mm4, [esi - 16]
|
||
|
|
punpckldq mm4, [esi - 12]
|
||
|
|
movd mm0, [esi - 8]
|
||
|
|
punpckldq mm0, [esi - 4]
|
||
|
|
packssdw mm4, mm0
|
||
|
|
|
||
|
|
cmp eax, byte 4
|
||
|
|
jnbe short .mmx_4more
|
||
|
|
|
||
|
|
align 16
|
||
|
|
.mmx_4_loop_i:
|
||
|
|
movd mm1, [esi]
|
||
|
|
movq mm3, mm4
|
||
|
|
punpckldq mm1, [esi + 4]
|
||
|
|
psrlq mm4, 16
|
||
|
|
movq mm0, mm1
|
||
|
|
psllq mm0, 48
|
||
|
|
por mm4, mm0
|
||
|
|
movq mm2, mm4
|
||
|
|
psrlq mm4, 16
|
||
|
|
pxor mm0, mm0
|
||
|
|
punpckhdq mm0, mm1
|
||
|
|
pmaddwd mm3, mm5
|
||
|
|
pmaddwd mm2, mm5
|
||
|
|
psllq mm0, 16
|
||
|
|
por mm4, mm0
|
||
|
|
movq mm0, mm3
|
||
|
|
punpckldq mm3, mm2
|
||
|
|
punpckhdq mm0, mm2
|
||
|
|
paddd mm3, mm0
|
||
|
|
psrad mm3, mm6
|
||
|
|
psubd mm1, mm3
|
||
|
|
movd [edi], mm1
|
||
|
|
punpckhdq mm1, mm1
|
||
|
|
movd [edi + 4], mm1
|
||
|
|
|
||
|
|
add edi, byte 8
|
||
|
|
add esi, byte 8
|
||
|
|
|
||
|
|
sub ebx, 2
|
||
|
|
jg .mmx_4_loop_i
|
||
|
|
jmp .mmx_end
|
||
|
|
|
||
|
|
.mmx_4more:
|
||
|
|
shl eax, 2
|
||
|
|
neg eax
|
||
|
|
add eax, byte 16
|
||
|
|
|
||
|
|
align 16
|
||
|
|
.mmx_4more_loop_i:
|
||
|
|
movd mm1, [esi]
|
||
|
|
punpckldq mm1, [esi + 4]
|
||
|
|
movq mm3, mm4
|
||
|
|
psrlq mm4, 16
|
||
|
|
movq mm0, mm1
|
||
|
|
psllq mm0, 48
|
||
|
|
por mm4, mm0
|
||
|
|
movq mm2, mm4
|
||
|
|
psrlq mm4, 16
|
||
|
|
pxor mm0, mm0
|
||
|
|
punpckhdq mm0, mm1
|
||
|
|
pmaddwd mm3, mm5
|
||
|
|
pmaddwd mm2, mm5
|
||
|
|
psllq mm0, 16
|
||
|
|
por mm4, mm0
|
||
|
|
|
||
|
|
mov ecx, esi
|
||
|
|
add ecx, eax
|
||
|
|
mov edx, esp
|
||
|
|
|
||
|
|
align 16
|
||
|
|
.mmx_4more_loop_j:
|
||
|
|
movd mm0, [ecx - 16]
|
||
|
|
movd mm7, [ecx - 8]
|
||
|
|
punpckldq mm0, [ecx - 12]
|
||
|
|
punpckldq mm7, [ecx - 4]
|
||
|
|
packssdw mm0, mm7
|
||
|
|
pmaddwd mm0, [edx]
|
||
|
|
punpckhdq mm7, mm7
|
||
|
|
paddd mm3, mm0
|
||
|
|
movd mm0, [ecx - 12]
|
||
|
|
punpckldq mm0, [ecx - 8]
|
||
|
|
punpckldq mm7, [ecx]
|
||
|
|
packssdw mm0, mm7
|
||
|
|
pmaddwd mm0, [edx]
|
||
|
|
paddd mm2, mm0
|
||
|
|
|
||
|
|
add edx, byte 8
|
||
|
|
add ecx, byte 16
|
||
|
|
cmp ecx, esi
|
||
|
|
jnz .mmx_4more_loop_j
|
||
|
|
|
||
|
|
movq mm0, mm3
|
||
|
|
punpckldq mm3, mm2
|
||
|
|
punpckhdq mm0, mm2
|
||
|
|
paddd mm3, mm0
|
||
|
|
psrad mm3, mm6
|
||
|
|
psubd mm1, mm3
|
||
|
|
movd [edi], mm1
|
||
|
|
punpckhdq mm1, mm1
|
||
|
|
movd [edi + 4], mm1
|
||
|
|
|
||
|
|
add edi, byte 8
|
||
|
|
add esi, byte 8
|
||
|
|
|
||
|
|
sub ebx, 2
|
||
|
|
jg near .mmx_4more_loop_i
|
||
|
|
|
||
|
|
.mmx_end:
|
||
|
|
emms
|
||
|
|
mov esp, ebp
|
||
|
|
.last_one:
|
||
|
|
mov eax, [esp + 32]
|
||
|
|
inc ebx
|
||
|
|
jnz near FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32.begin
|
||
|
|
|
||
|
|
.end:
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
pop ebx
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
|
||
|
|
; **********************************************************************
|
||
|
|
;
|
||
|
|
; void FLAC__lpc_restore_signal(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
|
||
|
|
; {
|
||
|
|
; unsigned i, j;
|
||
|
|
; FLAC__int32 sum;
|
||
|
|
;
|
||
|
|
; FLAC__ASSERT(order > 0);
|
||
|
|
;
|
||
|
|
; for(i = 0; i < data_len; i++) {
|
||
|
|
; sum = 0;
|
||
|
|
; for(j = 0; j < order; j++)
|
||
|
|
; sum += qlp_coeff[j] * data[i-j-1];
|
||
|
|
; data[i] = residual[i] + (sum >> lp_quantization);
|
||
|
|
; }
|
||
|
|
; }
|
||
|
|
ALIGN 16
|
||
|
|
cident FLAC__lpc_restore_signal_asm_ia32
|
||
|
|
;[esp + 40] data[]
|
||
|
|
;[esp + 36] lp_quantization
|
||
|
|
;[esp + 32] order
|
||
|
|
;[esp + 28] qlp_coeff[]
|
||
|
|
;[esp + 24] data_len
|
||
|
|
;[esp + 20] residual[]
|
||
|
|
|
||
|
|
;ASSERT(order > 0)
|
||
|
|
|
||
|
|
push ebp
|
||
|
|
push ebx
|
||
|
|
push esi
|
||
|
|
push edi
|
||
|
|
|
||
|
|
mov esi, [esp + 20] ; esi = residual[]
|
||
|
|
mov edi, [esp + 40] ; edi = data[]
|
||
|
|
mov eax, [esp + 32] ; eax = order
|
||
|
|
mov ebx, [esp + 24] ; ebx = data_len
|
||
|
|
|
||
|
|
test ebx, ebx
|
||
|
|
jz near .end ; do nothing if data_len == 0
|
||
|
|
|
||
|
|
.begin:
|
||
|
|
cmp eax, byte 1
|
||
|
|
jg short .x87_1more
|
||
|
|
|
||
|
|
mov ecx, [esp + 28]
|
||
|
|
mov edx, [ecx]
|
||
|
|
mov eax, [edi - 4]
|
||
|
|
mov cl, [esp + 36]
|
||
|
|
ALIGN 16
|
||
|
|
.x87_1_loop_i:
|
||
|
|
imul eax, edx
|
||
|
|
sar eax, cl
|
||
|
|
add eax, [esi]
|
||
|
|
mov [edi], eax
|
||
|
|
add esi, byte 4
|
||
|
|
add edi, byte 4
|
||
|
|
dec ebx
|
||
|
|
jnz .x87_1_loop_i
|
||
|
|
|
||
|
|
jmp .end
|
||
|
|
|
||
|
|
.x87_1more:
|
||
|
|
cmp eax, byte 32 ; for order <= 32 there is a faster routine
|
||
|
|
jbe short .x87_32
|
||
|
|
|
||
|
|
; This version is here just for completeness, since FLAC__MAX_LPC_ORDER == 32
|
||
|
|
ALIGN 16
|
||
|
|
.x87_32more_loop_i:
|
||
|
|
xor ebp, ebp
|
||
|
|
mov ecx, [esp + 32]
|
||
|
|
mov edx, ecx
|
||
|
|
shl edx, 2
|
||
|
|
add edx, [esp + 28]
|
||
|
|
neg ecx
|
||
|
|
ALIGN 16
|
||
|
|
.x87_32more_loop_j:
|
||
|
|
sub edx, byte 4
|
||
|
|
mov eax, [edx]
|
||
|
|
imul eax, [edi + 4 * ecx]
|
||
|
|
add ebp, eax
|
||
|
|
inc ecx
|
||
|
|
jnz short .x87_32more_loop_j
|
||
|
|
|
||
|
|
mov cl, [esp + 36]
|
||
|
|
sar ebp, cl
|
||
|
|
add ebp, [esi]
|
||
|
|
mov [edi], ebp
|
||
|
|
add edi, byte 4
|
||
|
|
add esi, byte 4
|
||
|
|
|
||
|
|
dec ebx
|
||
|
|
jnz .x87_32more_loop_i
|
||
|
|
|
||
|
|
jmp .end
|
||
|
|
|
||
|
|
.x87_32:
|
||
|
|
sub esi, edi
|
||
|
|
neg eax
|
||
|
|
lea edx, [eax + eax * 8 + .jumper_0 - .get_eip0]
|
||
|
|
call .get_eip0
|
||
|
|
.get_eip0:
|
||
|
|
pop eax
|
||
|
|
add edx, eax
|
||
|
|
inc edx ; compensate for the shorter opcode on the last iteration
|
||
|
|
mov eax, [esp + 28] ; eax = qlp_coeff[]
|
||
|
|
xor ebp, ebp
|
||
|
|
jmp edx
|
||
|
|
|
||
|
|
mov ecx, [eax + 124] ; ecx = qlp_coeff[31]
|
||
|
|
imul ecx, [edi - 128] ; ecx = qlp_coeff[31] * data[i-32]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[31] * data[i-32]
|
||
|
|
mov ecx, [eax + 120] ; ecx = qlp_coeff[30]
|
||
|
|
imul ecx, [edi - 124] ; ecx = qlp_coeff[30] * data[i-31]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[30] * data[i-31]
|
||
|
|
mov ecx, [eax + 116] ; ecx = qlp_coeff[29]
|
||
|
|
imul ecx, [edi - 120] ; ecx = qlp_coeff[29] * data[i-30]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[29] * data[i-30]
|
||
|
|
mov ecx, [eax + 112] ; ecx = qlp_coeff[28]
|
||
|
|
imul ecx, [edi - 116] ; ecx = qlp_coeff[28] * data[i-29]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[28] * data[i-29]
|
||
|
|
mov ecx, [eax + 108] ; ecx = qlp_coeff[27]
|
||
|
|
imul ecx, [edi - 112] ; ecx = qlp_coeff[27] * data[i-28]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[27] * data[i-28]
|
||
|
|
mov ecx, [eax + 104] ; ecx = qlp_coeff[26]
|
||
|
|
imul ecx, [edi - 108] ; ecx = qlp_coeff[26] * data[i-27]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[26] * data[i-27]
|
||
|
|
mov ecx, [eax + 100] ; ecx = qlp_coeff[25]
|
||
|
|
imul ecx, [edi - 104] ; ecx = qlp_coeff[25] * data[i-26]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[25] * data[i-26]
|
||
|
|
mov ecx, [eax + 96] ; ecx = qlp_coeff[24]
|
||
|
|
imul ecx, [edi - 100] ; ecx = qlp_coeff[24] * data[i-25]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[24] * data[i-25]
|
||
|
|
mov ecx, [eax + 92] ; ecx = qlp_coeff[23]
|
||
|
|
imul ecx, [edi - 96] ; ecx = qlp_coeff[23] * data[i-24]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[23] * data[i-24]
|
||
|
|
mov ecx, [eax + 88] ; ecx = qlp_coeff[22]
|
||
|
|
imul ecx, [edi - 92] ; ecx = qlp_coeff[22] * data[i-23]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[22] * data[i-23]
|
||
|
|
mov ecx, [eax + 84] ; ecx = qlp_coeff[21]
|
||
|
|
imul ecx, [edi - 88] ; ecx = qlp_coeff[21] * data[i-22]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[21] * data[i-22]
|
||
|
|
mov ecx, [eax + 80] ; ecx = qlp_coeff[20]
|
||
|
|
imul ecx, [edi - 84] ; ecx = qlp_coeff[20] * data[i-21]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[20] * data[i-21]
|
||
|
|
mov ecx, [eax + 76] ; ecx = qlp_coeff[19]
|
||
|
|
imul ecx, [edi - 80] ; ecx = qlp_coeff[19] * data[i-20]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[19] * data[i-20]
|
||
|
|
mov ecx, [eax + 72] ; ecx = qlp_coeff[18]
|
||
|
|
imul ecx, [edi - 76] ; ecx = qlp_coeff[18] * data[i-19]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[18] * data[i-19]
|
||
|
|
mov ecx, [eax + 68] ; ecx = qlp_coeff[17]
|
||
|
|
imul ecx, [edi - 72] ; ecx = qlp_coeff[17] * data[i-18]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[17] * data[i-18]
|
||
|
|
mov ecx, [eax + 64] ; ecx = qlp_coeff[16]
|
||
|
|
imul ecx, [edi - 68] ; ecx = qlp_coeff[16] * data[i-17]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[16] * data[i-17]
|
||
|
|
mov ecx, [eax + 60] ; ecx = qlp_coeff[15]
|
||
|
|
imul ecx, [edi - 64] ; ecx = qlp_coeff[15] * data[i-16]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[15] * data[i-16]
|
||
|
|
mov ecx, [eax + 56] ; ecx = qlp_coeff[14]
|
||
|
|
imul ecx, [edi - 60] ; ecx = qlp_coeff[14] * data[i-15]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[14] * data[i-15]
|
||
|
|
mov ecx, [eax + 52] ; ecx = qlp_coeff[13]
|
||
|
|
imul ecx, [edi - 56] ; ecx = qlp_coeff[13] * data[i-14]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[13] * data[i-14]
|
||
|
|
mov ecx, [eax + 48] ; ecx = qlp_coeff[12]
|
||
|
|
imul ecx, [edi - 52] ; ecx = qlp_coeff[12] * data[i-13]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[12] * data[i-13]
|
||
|
|
mov ecx, [eax + 44] ; ecx = qlp_coeff[11]
|
||
|
|
imul ecx, [edi - 48] ; ecx = qlp_coeff[11] * data[i-12]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[11] * data[i-12]
|
||
|
|
mov ecx, [eax + 40] ; ecx = qlp_coeff[10]
|
||
|
|
imul ecx, [edi - 44] ; ecx = qlp_coeff[10] * data[i-11]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[10] * data[i-11]
|
||
|
|
mov ecx, [eax + 36] ; ecx = qlp_coeff[ 9]
|
||
|
|
imul ecx, [edi - 40] ; ecx = qlp_coeff[ 9] * data[i-10]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 9] * data[i-10]
|
||
|
|
mov ecx, [eax + 32] ; ecx = qlp_coeff[ 8]
|
||
|
|
imul ecx, [edi - 36] ; ecx = qlp_coeff[ 8] * data[i- 9]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 8] * data[i- 9]
|
||
|
|
mov ecx, [eax + 28] ; ecx = qlp_coeff[ 7]
|
||
|
|
imul ecx, [edi - 32] ; ecx = qlp_coeff[ 7] * data[i- 8]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 7] * data[i- 8]
|
||
|
|
mov ecx, [eax + 24] ; ecx = qlp_coeff[ 6]
|
||
|
|
imul ecx, [edi - 28] ; ecx = qlp_coeff[ 6] * data[i- 7]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 6] * data[i- 7]
|
||
|
|
mov ecx, [eax + 20] ; ecx = qlp_coeff[ 5]
|
||
|
|
imul ecx, [edi - 24] ; ecx = qlp_coeff[ 5] * data[i- 6]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 5] * data[i- 6]
|
||
|
|
mov ecx, [eax + 16] ; ecx = qlp_coeff[ 4]
|
||
|
|
imul ecx, [edi - 20] ; ecx = qlp_coeff[ 4] * data[i- 5]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 4] * data[i- 5]
|
||
|
|
mov ecx, [eax + 12] ; ecx = qlp_coeff[ 3]
|
||
|
|
imul ecx, [edi - 16] ; ecx = qlp_coeff[ 3] * data[i- 4]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 3] * data[i- 4]
|
||
|
|
mov ecx, [eax + 8] ; ecx = qlp_coeff[ 2]
|
||
|
|
imul ecx, [edi - 12] ; ecx = qlp_coeff[ 2] * data[i- 3]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 2] * data[i- 3]
|
||
|
|
mov ecx, [eax + 4] ; ecx = qlp_coeff[ 1]
|
||
|
|
imul ecx, [edi - 8] ; ecx = qlp_coeff[ 1] * data[i- 2]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 1] * data[i- 2]
|
||
|
|
mov ecx, [eax] ; ecx = qlp_coeff[ 0] (NOTE: one byte missing from instruction)
|
||
|
|
imul ecx, [edi - 4] ; ecx = qlp_coeff[ 0] * data[i- 1]
|
||
|
|
add ebp, ecx ; sum += qlp_coeff[ 0] * data[i- 1]
|
||
|
|
.jumper_0:
|
||
|
|
|
||
|
|
mov cl, [esp + 36]
|
||
|
|
sar ebp, cl ; ebp = (sum >> lp_quantization)
|
||
|
|
add ebp, [esi + edi] ; ebp = residual[i] + (sum >> lp_quantization)
|
||
|
|
mov [edi], ebp ; data[i] = residual[i] + (sum >> lp_quantization)
|
||
|
|
add edi, byte 4
|
||
|
|
|
||
|
|
dec ebx
|
||
|
|
jz short .end
|
||
|
|
xor ebp, ebp
|
||
|
|
jmp edx
|
||
|
|
|
||
|
|
.end:
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
pop ebx
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
|
||
|
|
; WATCHOUT: this routine works on 16 bit data which means bits-per-sample for
|
||
|
|
; the channel must be <= 16. Especially note that this routine cannot be used
|
||
|
|
; for side-channel coded 16bps channels since the effective bps is 17.
|
||
|
|
; WATCHOUT: this routine requires that each data array have a buffer of up to
|
||
|
|
; 3 zeroes in front (at negative indices) for alignment purposes, i.e. for each
|
||
|
|
; channel n, data[n][-1] through data[n][-3] should be accessible and zero.
|
||
|
|
ALIGN 16
|
||
|
|
cident FLAC__lpc_restore_signal_asm_ia32_mmx
|
||
|
|
;[esp + 40] data[]
|
||
|
|
;[esp + 36] lp_quantization
|
||
|
|
;[esp + 32] order
|
||
|
|
;[esp + 28] qlp_coeff[]
|
||
|
|
;[esp + 24] data_len
|
||
|
|
;[esp + 20] residual[]
|
||
|
|
|
||
|
|
;ASSERT(order > 0)
|
||
|
|
|
||
|
|
push ebp
|
||
|
|
push ebx
|
||
|
|
push esi
|
||
|
|
push edi
|
||
|
|
|
||
|
|
mov esi, [esp + 20]
|
||
|
|
mov edi, [esp + 40]
|
||
|
|
mov eax, [esp + 32]
|
||
|
|
mov ebx, [esp + 24]
|
||
|
|
|
||
|
|
test ebx, ebx
|
||
|
|
jz near .end ; do nothing if data_len == 0
|
||
|
|
cmp eax, byte 4
|
||
|
|
jb near FLAC__lpc_restore_signal_asm_ia32.begin
|
||
|
|
|
||
|
|
mov edx, [esp + 28]
|
||
|
|
movd mm6, [esp + 36]
|
||
|
|
mov ebp, esp
|
||
|
|
|
||
|
|
and esp, 0xfffffff8
|
||
|
|
|
||
|
|
xor ecx, ecx
|
||
|
|
.copy_qlp_loop:
|
||
|
|
push word [edx + 4 * ecx]
|
||
|
|
inc ecx
|
||
|
|
cmp ecx, eax
|
||
|
|
jnz short .copy_qlp_loop
|
||
|
|
|
||
|
|
and ecx, 0x3
|
||
|
|
test ecx, ecx
|
||
|
|
je short .za_end
|
||
|
|
sub ecx, byte 4
|
||
|
|
.za_loop:
|
||
|
|
push word 0
|
||
|
|
inc eax
|
||
|
|
inc ecx
|
||
|
|
jnz short .za_loop
|
||
|
|
.za_end:
|
||
|
|
|
||
|
|
movq mm5, [esp + 2 * eax - 8]
|
||
|
|
movd mm4, [edi - 16]
|
||
|
|
punpckldq mm4, [edi - 12]
|
||
|
|
movd mm0, [edi - 8]
|
||
|
|
punpckldq mm0, [edi - 4]
|
||
|
|
packssdw mm4, mm0
|
||
|
|
|
||
|
|
cmp eax, byte 4
|
||
|
|
jnbe short .mmx_4more
|
||
|
|
|
||
|
|
align 16
|
||
|
|
.mmx_4_loop_i:
|
||
|
|
movq mm7, mm4
|
||
|
|
pmaddwd mm7, mm5
|
||
|
|
movq mm0, mm7
|
||
|
|
punpckhdq mm7, mm7
|
||
|
|
paddd mm7, mm0
|
||
|
|
psrad mm7, mm6
|
||
|
|
movd mm1, [esi]
|
||
|
|
paddd mm7, mm1
|
||
|
|
movd [edi], mm7
|
||
|
|
psllq mm7, 48
|
||
|
|
psrlq mm4, 16
|
||
|
|
por mm4, mm7
|
||
|
|
|
||
|
|
add esi, byte 4
|
||
|
|
add edi, byte 4
|
||
|
|
|
||
|
|
dec ebx
|
||
|
|
jnz .mmx_4_loop_i
|
||
|
|
jmp .mmx_end
|
||
|
|
.mmx_4more:
|
||
|
|
shl eax, 2
|
||
|
|
neg eax
|
||
|
|
add eax, byte 16
|
||
|
|
align 16
|
||
|
|
.mmx_4more_loop_i:
|
||
|
|
mov ecx, edi
|
||
|
|
add ecx, eax
|
||
|
|
mov edx, esp
|
||
|
|
|
||
|
|
movq mm7, mm4
|
||
|
|
pmaddwd mm7, mm5
|
||
|
|
|
||
|
|
align 16
|
||
|
|
.mmx_4more_loop_j:
|
||
|
|
movd mm0, [ecx - 16]
|
||
|
|
punpckldq mm0, [ecx - 12]
|
||
|
|
movd mm1, [ecx - 8]
|
||
|
|
punpckldq mm1, [ecx - 4]
|
||
|
|
packssdw mm0, mm1
|
||
|
|
pmaddwd mm0, [edx]
|
||
|
|
paddd mm7, mm0
|
||
|
|
|
||
|
|
add edx, byte 8
|
||
|
|
add ecx, byte 16
|
||
|
|
cmp ecx, edi
|
||
|
|
jnz .mmx_4more_loop_j
|
||
|
|
|
||
|
|
movq mm0, mm7
|
||
|
|
punpckhdq mm7, mm7
|
||
|
|
paddd mm7, mm0
|
||
|
|
psrad mm7, mm6
|
||
|
|
movd mm1, [esi]
|
||
|
|
paddd mm7, mm1
|
||
|
|
movd [edi], mm7
|
||
|
|
psllq mm7, 48
|
||
|
|
psrlq mm4, 16
|
||
|
|
por mm4, mm7
|
||
|
|
|
||
|
|
add esi, byte 4
|
||
|
|
add edi, byte 4
|
||
|
|
|
||
|
|
dec ebx
|
||
|
|
jnz short .mmx_4more_loop_i
|
||
|
|
.mmx_end:
|
||
|
|
emms
|
||
|
|
mov esp, ebp
|
||
|
|
|
||
|
|
.end:
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
pop ebx
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
|
||
|
|
end
|