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Doug McLain
parent
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2797 changed files with 0 additions and 992363 deletions
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////////////////////////////////////////////////////////////////////////////////
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///
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/// gcc version of the MMX optimized routines. All MMX optimized functions
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/// have been gathered into this single source code file, regardless to their
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/// class or original source code file, in order to ease porting the library
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/// to other compiler and processor platforms.
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///
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/// This file is to be compiled on any platform with the GNU C compiler.
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/// Compiler. Please see 'mmx_win.cpp' for the x86 Windows version of this
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/// file.
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///
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/// Author : Copyright (c) Olli Parviainen
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/// Author e-mail : oparviai @ iki.fi
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/// SoundTouch WWW: http://www.iki.fi/oparviai/soundtouch
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///
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////////////////////////////////////////////////////////////////////////////////
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//
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// Last changed : $Date$
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// File revision : $Revision$
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//
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// $Id$
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//
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////////////////////////////////////////////////////////////////////////////////
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//
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// License :
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//
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// SoundTouch audio processing library
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// Copyright (c) Olli Parviainen
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//
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// This library 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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// This library 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 this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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////////////////////////////////////////////////////////////////////////////////
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#include <stdexcept>
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#include <string>
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#include "cpu_detect.h"
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#ifndef __GNUC__
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#error "wrong platform - this source code file is for the GNU C compiler."
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#endif
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using namespace std;
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using namespace soundtouch;
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#ifdef ALLOW_MMX
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// MMX routines available only with integer sample type
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//////////////////////////////////////////////////////////////////////////////
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//
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// implementation of MMX optimized functions of class 'TDStretch'
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//
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// NOTE: ebx in gcc 3.x is not preserved if -fPIC and -DPIC
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// gcc-3.4 correctly flags this error and wont let you continue.
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// gcc-2.95 preserves esi correctly
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "TDStretch.h"
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#include <limits.h>
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// these are declared in 'TDStretch.cpp'
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extern int scanOffsets[4][24];
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// Calculates cross correlation of two buffers
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long TDStretchMMX::calcCrossCorrStereo(const short *pV1, const short *pV2) const
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{
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#ifdef __i386__
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int corr;
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uint local_overlapLength = overlapLength;
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uint local_overlapDividerBits = overlapDividerBits;
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asm volatile(
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// Calculate cross-correlation between the tempOffset and tmpbid_buffer.
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// Process 4 parallel batches of 2 * stereo samples each during one
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// round to improve CPU-level parallellization.
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// load address of sloped pV2 buffer to eax
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// load address of mixing point of the sample data buffer to edi
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// load counter to ecx = overlapLength / 8 - 1
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// empty the mm0
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// prepare to the first round by loading
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// load mm1 = eax[0]
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// load mm2 = eax[1];
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"\n\tmovl %1, %%eax"
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"\n\tmovl %2, %%edi"
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"\n\tmovq (%%eax), %%mm1"
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"\n\tmovl %3, %%ecx"
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"\n\tmovq 8(%%eax), %%mm2"
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"\n\tshr $3, %%ecx"
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"\n\tpxor %%mm0, %%mm0"
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"\n\tsub $1, %%ecx"
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"\n\tmovd %4, %%mm5"
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"\n1:"
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// multiply-add mm1 = mm1 * edi[0]
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// multiply-add mm2 = mm2 * edi[1]
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//
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// add mm2 += mm1
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// mm2 >>= mm5 (=overlapDividerBits)
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// add mm0 += mm2
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//
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// load mm3 = eax[2]
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// multiply-add mm3 = mm3 * edi[2]
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//
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// load mm4 = eax[3]
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// multiply-add mm4 = mm4 * edi[3]
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//
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// add mm3 += mm4
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// mm3 >>= mm5 (=overlapDividerBits)
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// add mm0 += mm3
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//
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// add eax += 4
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// add edi += 4
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// load mm1 = eax[0] (~eax[4])
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// load mm2 = eax[1] (~eax[5])
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//
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// loop
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"\n\tpmaddwd (%%edi), %%mm1" // qword ptr [edi]
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"\n\tmovq 16(%%eax), %%mm3" // qword ptr [eax+16]
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"\n\tpmaddwd 8(%%edi), %%mm2" // qword ptr [edi+8]
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"\n\tmovq 24(%%eax), %%mm4" // qword ptr [eax+24]
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"\n\tpmaddwd 16(%%edi), %%mm3" // qword ptr [edi+16]
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"\n\tpaddd %%mm1, %%mm2"
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"\n\tpmaddwd 24(%%edi), %%mm4" // qword ptr [edi+24]
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"\n\tmovq 32(%%eax), %%mm1" // qword ptr [eax+32]
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"\n\tpsrad %%mm5, %%mm2"
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"\n\tadd $32, %%eax"
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"\n\tpaddd %%mm4, %%mm3"
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"\n\tpaddd %%mm2, %%mm0"
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"\n\tmovq 8(%%eax), %%mm2" // qword ptr [eax+8]
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"\n\tpsrad %%mm5, %%mm3"
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"\n\tadd $32, %%edi"
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"\n\tpaddd %%mm3, %%mm0"
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"\n\tdec %%ecx"
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"\n\tjnz 1b"
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// Finalize the last partial loop:
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"\n\tmovq 16(%%eax), %%mm3" // qword ptr [eax+16]
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"\n\tpmaddwd (%%edi), %%mm1" // qword ptr [edi]
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"\n\tmovq 24(%%eax), %%mm4" // qword ptr [eax+24]
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"\n\tpmaddwd 8(%%edi), %%mm2" // qword ptr [edi+8]
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"\n\tpmaddwd 16(%%edi), %%mm3" // qword ptr [edi+16]
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"\n\tpaddd %%mm1, %%mm2"
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"\n\tpmaddwd 24(%%edi), %%mm4" // qword ptr [edi+24]
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"\n\tpsrad %%mm5, %%mm2"
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"\n\tpaddd %%mm4, %%mm3"
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"\n\tpaddd %%mm2, %%mm0"
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"\n\tpsrad %%mm5, %%mm3"
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"\n\tpaddd %%mm3, %%mm0"
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// copy hi-dword of mm0 to lo-dword of mm1, then sum mmo+mm1
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// and finally store the result into the variable "corr"
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"\n\tmovq %%mm0, %%mm1"
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"\n\tpsrlq $32, %%mm1"
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"\n\tpaddd %%mm1, %%mm0"
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"\n\tmovd %%mm0, %0"
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: "=rm" (corr)
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: "rim" (pV1), "rim" (pV2), "rim" (local_overlapLength),
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"rim" (local_overlapDividerBits)
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: "%ecx", "%eax", "%edi"
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);
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return corr;
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// Note: Warning about the missing EMMS instruction is harmless
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// as it'll be called elsewhere.
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#else
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throw runtime_error("MMX not supported");
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#endif
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}
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void TDStretchMMX::clearCrossCorrState()
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{
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#ifdef __i386__
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asm volatile("EMMS");
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#endif
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}
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// MMX-optimized version of the function overlapStereo
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void TDStretchMMX::overlapStereo(short *output, const short *input) const
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{
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#ifdef __i386__
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short *local_midBuffer = pMidBuffer;
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uint local_overlapLength = overlapLength;
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uint local_overlapDividerBits = overlapDividerBits;
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asm volatile(
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"\n\t"
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// load sliding mixing value counter to mm6 and mm7
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// load counter value to ecx = overlapLength / 4
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// load divider-shifter value to esi
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// load mixing value adder to mm5
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// load address of midBuffer to eax
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// load address of inputBuffer added with ovlOffset to edi
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// load address of end of the outputBuffer to edx
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//
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// We need to preserve esi, since gcc uses it for the
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// stack frame.
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"movl %0, %%eax\n\t" // ecx = 0x0000 OVL_
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"movl $0x0002fffe, %%edi\n\t" // ecx = 0x0002 fffe
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"movl %1, %%esi\n\t"
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"movd %%eax, %%mm6\n\t" // mm6 = 0x0000 0000 0000 OVL_
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"movl %%eax, %%ecx\n\t"
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"sub $1, %%eax\n\t"
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"punpckldq %%mm6, %%mm6\n\t" // mm6 = 0x0000 OVL_ 0000 OVL_
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"or $0x00010000, %%eax\n\t" // eax = 0x0001 overlapLength-1
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"movd %%edi, %%mm5\n\t" // mm5 = 0x0000 0000 0002 fffe
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"movd %%eax, %%mm7\n\t" // mm7 = 0x0000 0000 0001 01ff
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"movl %3, %%edi\n\t"
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"movl %4, %%eax\n\t" // dword ptr local_midBuffer
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"punpckldq %%mm5, %%mm5\n\t" // mm5 = 0x0002 fffe 0002 fffe
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"shr $2, %%ecx\n\t" // ecx = overlapLength / 2
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"punpckldq %%mm7, %%mm7\n\t" // mm7 = 0x0001 01ff 0001 01ff
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"movl %2, %%edx\n"
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"2:\n\t"
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// Process two parallel batches of 2+2 stereo samples during each round
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// to improve CPU-level parallellization.
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//
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// Load [eax] into mm0 and mm1
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// Load [edi] into mm3
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// unpack words of mm0, mm1 and mm3 into mm0 and mm1
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// multiply-add mm0*mm6 and mm1*mm7, store results into mm0 and mm1
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// divide mm0 and mm1 by 512 (=right-shift by overlapDividerBits)
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// pack the result into mm0 and store into [edx]
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//
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// Load [eax+8] into mm2 and mm3
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// Load [edi+8] into mm4
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// unpack words of mm2, mm3 and mm4 into mm2 and mm3
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// multiply-add mm2*mm6 and mm3*mm7, store results into mm2 and mm3
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// divide mm2 and mm3 by 512 (=right-shift by overlapDividerBits)
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// pack the result into mm2 and store into [edx+8]
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"movq (%%eax), %%mm0\n\t" // mm0 = m1l m1r m0l m0r
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"add $16, %%edx\n\t"
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"movq (%%edi), %%mm3\n\t" // mm3 = i1l i1r i0l i0r
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"movq %%mm0, %%mm1\n\t" // mm1 = m1l m1r m0l m0r
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"movq 8(%%eax), %%mm2\n\t" // mm2 = m3l m3r m2l m2r
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"punpcklwd %%mm3, %%mm0\n\t" // mm0 = i0l m0l i0r m0r
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"movq 8(%%edi), %%mm4\n\t" // mm4 = i3l i3r i2l i2r
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"punpckhwd %%mm3, %%mm1\n\t" // mm1 = i1l m1l i1r m1r
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"movq %%mm2, %%mm3\n\t" // mm3 = m3l m3r m2l m2r
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"punpcklwd %%mm4, %%mm2\n\t" // mm2 = i2l m2l i2r m2r
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"pmaddwd %%mm6, %%mm0\n\t" // mm0 = i0l*m63+m0l*m62 i0r*m61+m0r*m60
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"punpckhwd %%mm4, %%mm3\n\t" // mm3 = i3l m3l i3r m3r
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"movd %%esi, %%mm4\n\t" // mm4 = overlapDividerBits
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|
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"pmaddwd %%mm7, %%mm1\n\t" // mm1 = i1l*m73+m1l*m72 i1r*m71+m1r*m70
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"paddw %%mm5, %%mm6\n\t"
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|
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"paddw %%mm5, %%mm7\n\t"
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"psrad %%mm4, %%mm0\n\t" // mmo >>= overlapDividerBits
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|
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"pmaddwd %%mm6, %%mm2\n\t" // mm2 = i2l*m63+m2l*m62 i2r*m61+m2r*m60
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"psrad %%mm4, %%mm1\n\t" // mm1 >>= overlapDividerBits
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"pmaddwd %%mm7, %%mm3\n\t" // mm3 = i3l*m73+m3l*m72 i3r*m71+m3r*m70
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"psrad %%mm4, %%mm2\n\t" // mm2 >>= overlapDividerBits
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|
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"packssdw %%mm1, %%mm0\n\t" // mm0 = mm1h mm1l mm0h mm0l
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"psrad %%mm4, %%mm3\n\t" // mm3 >>= overlapDividerBits
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"add $16, %%eax\n\t"
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"paddw %%mm5, %%mm6\n\t"
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"packssdw %%mm3, %%mm2\n\t" // mm2 = mm2h mm2l mm3h mm3l
|
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"paddw %%mm5, %%mm7\n\t"
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||||
"movq %%mm0, -16(%%edx)\n\t"
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"add $16, %%edi\n\t"
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||||
|
||||
"movq %%mm2, -8(%%edx)\n\t"
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||||
"dec %%ecx\n\t"
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"jnz 2b\n\t"
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|
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"emms\n\t"
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||||
:
|
||||
: "rim" (local_overlapLength),
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"rim" (local_overlapDividerBits),
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"rim" (output),
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"rim" (input),
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"rim" (local_midBuffer)
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||||
/* input */
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||||
: "%edi", "%ecx", "%edx", "%eax", "%esi" /* regs */
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);
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#else
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throw runtime_error("MMX not supported");
|
||||
#endif
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||||
}
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||||
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//////////////////////////////////////////////////////////////////////////////
|
||||
//
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// implementation of MMX optimized functions of class 'FIRFilter'
|
||||
//
|
||||
//////////////////////////////////////////////////////////////////////////////
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||||
|
||||
#include "FIRFilter.h"
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||||
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||||
FIRFilterMMX::FIRFilterMMX() : FIRFilter()
|
||||
{
|
||||
filterCoeffsUnalign = NULL;
|
||||
}
|
||||
|
||||
|
||||
FIRFilterMMX::~FIRFilterMMX()
|
||||
{
|
||||
delete[] filterCoeffsUnalign;
|
||||
}
|
||||
|
||||
|
||||
#if 1
|
||||
// (overloaded) Calculates filter coefficients for MMX routine
|
||||
void FIRFilterMMX::setCoefficients(const short *coeffs, uint newLength, uint uResultDivFactor)
|
||||
{
|
||||
#ifdef __i386__
|
||||
uint i;
|
||||
FIRFilter::setCoefficients(coeffs, newLength, uResultDivFactor);
|
||||
|
||||
// Ensure that filter coeffs array is aligned to 16-byte boundary
|
||||
delete[] filterCoeffsUnalign;
|
||||
filterCoeffsUnalign = new short[2 * newLength + 8];
|
||||
filterCoeffsAlign = (short *)(((uint)filterCoeffsUnalign + 15) & -16);
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||||
|
||||
// rearrange the filter coefficients for mmx routines
|
||||
for (i = 0;i < length; i += 4)
|
||||
{
|
||||
filterCoeffsAlign[2 * i + 0] = coeffs[i + 0];
|
||||
filterCoeffsAlign[2 * i + 1] = coeffs[i + 2];
|
||||
filterCoeffsAlign[2 * i + 2] = coeffs[i + 0];
|
||||
filterCoeffsAlign[2 * i + 3] = coeffs[i + 2];
|
||||
|
||||
filterCoeffsAlign[2 * i + 4] = coeffs[i + 1];
|
||||
filterCoeffsAlign[2 * i + 5] = coeffs[i + 3];
|
||||
filterCoeffsAlign[2 * i + 6] = coeffs[i + 1];
|
||||
filterCoeffsAlign[2 * i + 7] = coeffs[i + 3];
|
||||
}
|
||||
#else
|
||||
throw runtime_error("MMX not supported");
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
|
||||
// mmx-optimized version of the filter routine for stereo sound
|
||||
uint FIRFilterMMX::evaluateFilterStereo(short *dest, const short *src, const uint numSamples) const
|
||||
{
|
||||
#ifdef __i386__
|
||||
// Create stack copies of the needed member variables for asm routines :
|
||||
uint local_length = length;
|
||||
uint local_lengthDiv8 = lengthDiv8;
|
||||
uint local_resultDivider = resultDivFactor;
|
||||
short *local_filterCoeffs = (short*)filterCoeffsAlign;
|
||||
short *local_src = (short *)src;
|
||||
|
||||
asm volatile(
|
||||
"\n\t"
|
||||
// Load (num_samples-aa_filter_length)/2 to edi as a i
|
||||
// Load a pointer to samples to esi
|
||||
// Load a pointer to destination to edx
|
||||
|
||||
"movl %0, %%edi\n\t"
|
||||
"subl %2, %%edi\n\t"
|
||||
"movl %3, %%edx\n\t"
|
||||
"sar $1, %%edi\n"
|
||||
|
||||
// Load filter length/8 to ecx
|
||||
// Load pointer to samples from esi to ebx
|
||||
// Load counter from edi to ecx
|
||||
// Load [ebx] to mm3
|
||||
// Load pointer to filter coefficients to eax
|
||||
"3:\n\t"
|
||||
"movl %1, %%esi\n\t"
|
||||
"pxor %%mm0, %%mm0\n\t"
|
||||
|
||||
"movl %4, %%ecx\n\t"
|
||||
"pxor %%mm7, %%mm7\n\t"
|
||||
|
||||
"movq (%%esi), %%mm1\n\t" // mm1 = l1 r1 l0 r0
|
||||
"movl %5, %%eax\n"
|
||||
"4:\n\t"
|
||||
|
||||
"movq 8(%%esi), %%mm2\n\t" // mm2 = l3 r3 l2 r2
|
||||
"movq %%mm1, %%mm4\n\t" // mm4 = l1 r1 l0 r0
|
||||
|
||||
"movq 16(%%esi), %%mm3\n\t" // mm3 = l5 r5 l4 r4
|
||||
"punpckhwd %%mm2, %%mm1\n\t" // mm1 = l3 l1 r3 r1
|
||||
|
||||
"movq %%mm2, %%mm6\n\t" // mm6 = l3 r3 l2 r2
|
||||
"punpcklwd %%mm2, %%mm4\n\t" // mm4 = l2 l0 r2 r0
|
||||
|
||||
"movq (%%eax), %%mm2\n\t" // mm2 = f2 f0 f2 f0
|
||||
"movq %%mm1, %%mm5\n\t" // mm5 = l3 l1 r3 r1
|
||||
|
||||
"punpcklwd %%mm3, %%mm6\n\t" // mm6 = l4 l2 r4 r2
|
||||
"pmaddwd %%mm2, %%mm4\n\t" // mm4 = l2*f2+l0*f0 r2*f2+r0*f0
|
||||
|
||||
"pmaddwd %%mm2, %%mm5\n\t" // mm5 = l3*f2+l1*f0 r3*f2+l1*f0
|
||||
"movq 8(%%eax), %%mm2\n\t" // mm2 = f3 f1 f3 f1
|
||||
|
||||
"paddd %%mm4, %%mm0\n\t" // mm0 += s02*f02
|
||||
"movq %%mm3, %%mm4\n\t" // mm4 = l1 r1 l0 r0
|
||||
|
||||
"pmaddwd %%mm2, %%mm1\n\t" // mm1 = l3*f3+l1*f1 r3*f3+l1*f1
|
||||
"paddd %%mm5, %%mm7\n\t" // mm7 += s13*f02
|
||||
|
||||
"pmaddwd %%mm2, %%mm6\n\t" // mm6 = l4*f3+l2*f1 r4*f3+f4*f1
|
||||
"movq 24(%%esi), %%mm2\n\t" // mm2 = l3 r3 l2 r2
|
||||
|
||||
"paddd %%mm1, %%mm0\n\t" // mm0 += s31*f31
|
||||
"movq 32(%%esi), %%mm1\n\t" // mm1 = l5 r5 l4 r4
|
||||
|
||||
"paddd %%mm6, %%mm7\n\t" // mm7 += s42*f31
|
||||
"punpckhwd %%mm2, %%mm3\n\t" // mm3 = l3 l1 r3 r1
|
||||
|
||||
"movq %%mm2, %%mm6\n\t" // mm6 = l3 r3 l2 r2
|
||||
"punpcklwd %%mm2, %%mm4\n\t" // mm4 = l2 l0 r2 r0
|
||||
|
||||
"movq 16(%%eax), %%mm2\n\t" // mm2 = f2 f0 f2 f0
|
||||
"movq %%mm3, %%mm5\n\t" // mm5 = l3 l1 r3 r1
|
||||
|
||||
"punpcklwd %%mm1, %%mm6\n\t" // mm6 = l4 l2 r4 r2
|
||||
"add $32, %%eax\n\t"
|
||||
|
||||
"pmaddwd %%mm2, %%mm4\n\t" // mm4 = l2*f2+l0*f0 r2*f2+r0*f0
|
||||
"add $32, %%esi\n\t"
|
||||
|
||||
"pmaddwd %%mm2, %%mm5\n\t" // mm5 = l3*f2+l1*f0 r3*f2+l1*f0
|
||||
"movq -8(%%eax), %%mm2\n\t" // mm2 = f3 f1 f3 f1
|
||||
|
||||
"paddd %%mm4, %%mm0\n\t" // mm0 += s02*f02
|
||||
"pmaddwd %%mm2, %%mm3\n\t" // mm3 = l3*f3+l1*f1 r3*f3+l1*f1
|
||||
|
||||
"paddd %%mm5, %%mm7\n\t" // mm7 += s13*f02
|
||||
"pmaddwd %%mm2, %%mm6\n\t" // mm6 = l4*f3+l2*f1 r4*f3+f4*f1
|
||||
|
||||
"paddd %%mm3, %%mm0\n\t" // mm0 += s31*f31
|
||||
"paddd %%mm6, %%mm7\n\t" // mm7 += s42*f31
|
||||
|
||||
"dec %%ecx\n\t"
|
||||
"jnz 4b\n\t"
|
||||
|
||||
// Divide mm0 and mm7 by 8192 (= right-shift by 13),
|
||||
// pack and store to [edx]
|
||||
"movd %6, %%mm4\n\t"
|
||||
|
||||
"psrad %%mm4, %%mm0\n\t" // divide the result
|
||||
|
||||
"add $8, %%edx\n\t"
|
||||
"psrad %%mm4, %%mm7\n\t" // divide the result
|
||||
|
||||
"add $8, %1\n\t"
|
||||
"packssdw %%mm7, %%mm0\n\t"
|
||||
|
||||
"movq %%mm0, -8(%%edx)\n\t"
|
||||
"dec %%edi\n\t"
|
||||
|
||||
"jnz 3b\n\t"
|
||||
|
||||
"emms\n\t"
|
||||
|
||||
:
|
||||
: "rim" (numSamples),
|
||||
"rim" (local_src),
|
||||
"rim" (local_length),
|
||||
"rim" (dest),
|
||||
"rim" (local_lengthDiv8),
|
||||
"rim" (local_filterCoeffs),
|
||||
"rim" (local_resultDivider) /* input */
|
||||
: "%eax", "%ecx", "%edx", "%edi", "%esi" /* regs */
|
||||
);
|
||||
return (numSamples & 0xfffffffe) - local_length;
|
||||
#else
|
||||
throw runtime_error("MMX not supported");
|
||||
return 0;
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif // ALLOW_MMX
|
||||
Loading…
Add table
Add a link
Reference in a new issue