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			235 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			235 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Copyright (C) 2003 Jean-Marc Valin */
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/**
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   @file arch.h
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   @brief Various architecture definitions Speex
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*/
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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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   - 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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   - 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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   - 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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   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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*/
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#ifndef ARCH_H
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#define ARCH_H
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#define FIXED_POINT
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/* A couple test to catch stupid option combinations */
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#ifdef FIXED_POINT
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#ifdef FLOATING_POINT
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#error You cannot compile as floating point and fixed point at the same time
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#endif
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#ifdef _USE_SSE
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#error SSE is only for floating-point
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#endif
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#if ((defined (ARM4_ASM)||defined (ARM4_ASM)) && defined(BFIN_ASM)) || (defined (ARM4_ASM)&&defined(ARM5E_ASM))
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#error Make up your mind. What CPU do you have?
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#endif
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#ifdef VORBIS_PSYCHO
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#error Vorbis-psy model currently not implemented in fixed-point
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#endif
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#else
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#ifndef FLOATING_POINT
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#error You now need to define either FIXED_POINT or FLOATING_POINT
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#endif
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#if defined (ARM4_ASM) || defined(ARM5E_ASM) || defined(BFIN_ASM)
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#error I suppose you can have a [ARM4/ARM5E/Blackfin] that has float instructions?
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#endif
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#ifdef FIXED_POINT_DEBUG
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#error "Don't you think enabling fixed-point is a good thing to do if you want to debug that?"
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#endif
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#endif
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#ifndef OUTSIDE_SPEEX
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#include "speex/speexdsp_types.h"
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#endif
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#define ABS(x) ((x) < 0 ? (-(x)) : (x))      /**< Absolute integer value. */
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#define ABS16(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 16-bit value.  */
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#define MIN16(a,b) ((a) < (b) ? (a) : (b))   /**< Maximum 16-bit value.   */
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#define MAX16(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 16-bit value.   */
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#define ABS32(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 32-bit value.  */
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#define MIN32(a,b) ((a) < (b) ? (a) : (b))   /**< Maximum 32-bit value.   */
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#define MAX32(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 32-bit value.   */
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#ifdef FIXED_POINT
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typedef spx_int16_t spx_word16_t;
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typedef spx_int32_t spx_word32_t;
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typedef spx_word32_t spx_mem_t;
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typedef spx_word16_t spx_coef_t;
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typedef spx_word16_t spx_lsp_t;
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typedef spx_word32_t spx_sig_t;
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#define Q15ONE 32767
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#define LPC_SCALING  8192
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#define SIG_SCALING  16384
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#define LSP_SCALING  8192.
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#define GAMMA_SCALING 32768.
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#define GAIN_SCALING 64
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#define GAIN_SCALING_1 0.015625
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#define LPC_SHIFT    13
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#define LSP_SHIFT    13
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#define SIG_SHIFT    14
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#define GAIN_SHIFT   6
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#define VERY_SMALL 0
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#define VERY_LARGE32 ((spx_word32_t)2147483647)
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#define VERY_LARGE16 ((spx_word16_t)32767)
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#define Q15_ONE ((spx_word16_t)32767)
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#ifdef FIXED_DEBUG
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#include "fixed_debug.h"
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#else
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#include "fixed_generic.h"
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#ifdef ARM5E_ASM
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#include "fixed_arm5e.h"
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#elif defined (ARM4_ASM)
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#include "fixed_arm4.h"
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#elif defined (BFIN_ASM)
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#include "fixed_bfin.h"
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#endif
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#endif
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#else
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typedef float spx_mem_t;
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typedef float spx_coef_t;
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typedef float spx_lsp_t;
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typedef float spx_sig_t;
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typedef float spx_word16_t;
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typedef float spx_word32_t;
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#define Q15ONE 1.0f
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#define LPC_SCALING  1.f
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#define SIG_SCALING  1.f
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#define LSP_SCALING  1.f
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#define GAMMA_SCALING 1.f
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#define GAIN_SCALING 1.f
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#define GAIN_SCALING_1 1.f
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#define VERY_SMALL 1e-15f
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#define VERY_LARGE32 1e15f
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#define VERY_LARGE16 1e15f
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#define Q15_ONE ((spx_word16_t)1.f)
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#define QCONST16(x,bits) (x)
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#define QCONST32(x,bits) (x)
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#define NEG16(x) (-(x))
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#define NEG32(x) (-(x))
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#define EXTRACT16(x) (x)
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#define EXTEND32(x) (x)
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#define SHR16(a,shift) (a)
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#define SHL16(a,shift) (a)
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#define SHR32(a,shift) (a)
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#define SHL32(a,shift) (a)
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#define PSHR16(a,shift) (a)
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#define PSHR32(a,shift) (a)
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#define VSHR32(a,shift) (a)
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#define SATURATE16(x,a) (x)
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#define SATURATE32(x,a) (x)
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#define SATURATE32PSHR(x,shift,a) (x)
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#define PSHR(a,shift)       (a)
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#define SHR(a,shift)       (a)
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#define SHL(a,shift)       (a)
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#define SATURATE(x,a) (x)
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#define ADD16(a,b) ((a)+(b))
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#define SUB16(a,b) ((a)-(b))
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#define ADD32(a,b) ((a)+(b))
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#define SUB32(a,b) ((a)-(b))
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#define MULT16_16_16(a,b)     ((a)*(b))
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#define MULT16_16(a,b)     ((spx_word32_t)(a)*(spx_word32_t)(b))
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#define MAC16_16(c,a,b)     ((c)+(spx_word32_t)(a)*(spx_word32_t)(b))
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#define MULT16_32_Q11(a,b)     ((a)*(b))
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#define MULT16_32_Q13(a,b)     ((a)*(b))
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#define MULT16_32_Q14(a,b)     ((a)*(b))
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#define MULT16_32_Q15(a,b)     ((a)*(b))
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#define MULT16_32_P15(a,b)     ((a)*(b))
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#define MAC16_32_Q11(c,a,b)     ((c)+(a)*(b))
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#define MAC16_32_Q15(c,a,b)     ((c)+(a)*(b))
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#define MAC16_16_Q11(c,a,b)     ((c)+(a)*(b))
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#define MAC16_16_Q13(c,a,b)     ((c)+(a)*(b))
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#define MAC16_16_P13(c,a,b)     ((c)+(a)*(b))
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#define MULT16_16_Q11_32(a,b)     ((a)*(b))
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#define MULT16_16_Q13(a,b)     ((a)*(b))
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#define MULT16_16_Q14(a,b)     ((a)*(b))
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#define MULT16_16_Q15(a,b)     ((a)*(b))
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#define MULT16_16_P15(a,b)     ((a)*(b))
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#define MULT16_16_P13(a,b)     ((a)*(b))
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#define MULT16_16_P14(a,b)     ((a)*(b))
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#define DIV32_16(a,b)     (((spx_word32_t)(a))/(spx_word16_t)(b))
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#define PDIV32_16(a,b)     (((spx_word32_t)(a))/(spx_word16_t)(b))
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#define DIV32(a,b)     (((spx_word32_t)(a))/(spx_word32_t)(b))
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#define PDIV32(a,b)     (((spx_word32_t)(a))/(spx_word32_t)(b))
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#endif
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#if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
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/* 2 on TI C5x DSP */
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#define BYTES_PER_CHAR 2
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#define BITS_PER_CHAR 16
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#define LOG2_BITS_PER_CHAR 4
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#else
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#define BYTES_PER_CHAR 1
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#define BITS_PER_CHAR 8
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#define LOG2_BITS_PER_CHAR 3
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#endif
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#ifdef FIXED_DEBUG
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extern long long spx_mips;
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#endif
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#endif
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