michael@0: /* Copyright (c) 2003-2008 Jean-Marc Valin
michael@0:    Copyright (c) 2007-2008 CSIRO
michael@0:    Copyright (c) 2007-2009 Xiph.Org Foundation
michael@0:    Written by Jean-Marc Valin */
michael@0: /**
michael@0:    @file arch.h
michael@0:    @brief Various architecture definitions for CELT
michael@0: */
michael@0: /*
michael@0:    Redistribution and use in source and binary forms, with or without
michael@0:    modification, are permitted provided that the following conditions
michael@0:    are met:
michael@0: 
michael@0:    - Redistributions of source code must retain the above copyright
michael@0:    notice, this list of conditions and the following disclaimer.
michael@0: 
michael@0:    - Redistributions in binary form must reproduce the above copyright
michael@0:    notice, this list of conditions and the following disclaimer in the
michael@0:    documentation and/or other materials provided with the distribution.
michael@0: 
michael@0:    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0:    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0:    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0:    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
michael@0:    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0:    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0:    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0:    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
michael@0:    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
michael@0:    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
michael@0:    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: */
michael@0: 
michael@0: #ifndef ARCH_H
michael@0: #define ARCH_H
michael@0: 
michael@0: #include "opus_types.h"
michael@0: #include "opus_defines.h"
michael@0: 
michael@0: # if !defined(__GNUC_PREREQ)
michael@0: #  if defined(__GNUC__)&&defined(__GNUC_MINOR__)
michael@0: #   define __GNUC_PREREQ(_maj,_min) \
michael@0:  ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min))
michael@0: #  else
michael@0: #   define __GNUC_PREREQ(_maj,_min) 0
michael@0: #  endif
michael@0: # endif
michael@0: 
michael@0: #define CELT_SIG_SCALE 32768.f
michael@0: 
michael@0: #define celt_fatal(str) _celt_fatal(str, __FILE__, __LINE__);
michael@0: #ifdef ENABLE_ASSERTIONS
michael@0: #include <stdio.h>
michael@0: #include <stdlib.h>
michael@0: #ifdef __GNUC__
michael@0: __attribute__((noreturn))
michael@0: #endif
michael@0: static OPUS_INLINE void _celt_fatal(const char *str, const char *file, int line)
michael@0: {
michael@0:    fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, str);
michael@0:    abort();
michael@0: }
michael@0: #define celt_assert(cond) {if (!(cond)) {celt_fatal("assertion failed: " #cond);}}
michael@0: #define celt_assert2(cond, message) {if (!(cond)) {celt_fatal("assertion failed: " #cond "\n" message);}}
michael@0: #else
michael@0: #define celt_assert(cond)
michael@0: #define celt_assert2(cond, message)
michael@0: #endif
michael@0: 
michael@0: #define IMUL32(a,b) ((a)*(b))
michael@0: 
michael@0: #define ABS(x) ((x) < 0 ? (-(x)) : (x))      /**< Absolute integer value. */
michael@0: #define ABS16(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 16-bit value.  */
michael@0: #define MIN16(a,b) ((a) < (b) ? (a) : (b))   /**< Minimum 16-bit value.   */
michael@0: #define MAX16(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 16-bit value.   */
michael@0: #define ABS32(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 32-bit value.  */
michael@0: #define MIN32(a,b) ((a) < (b) ? (a) : (b))   /**< Minimum 32-bit value.   */
michael@0: #define MAX32(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 32-bit value.   */
michael@0: #define IMIN(a,b) ((a) < (b) ? (a) : (b))   /**< Minimum int value.   */
michael@0: #define IMAX(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum int value.   */
michael@0: #define UADD32(a,b) ((a)+(b))
michael@0: #define USUB32(a,b) ((a)-(b))
michael@0: 
michael@0: #define PRINT_MIPS(file)
michael@0: 
michael@0: #ifdef FIXED_POINT
michael@0: 
michael@0: typedef opus_int16 opus_val16;
michael@0: typedef opus_int32 opus_val32;
michael@0: 
michael@0: typedef opus_val32 celt_sig;
michael@0: typedef opus_val16 celt_norm;
michael@0: typedef opus_val32 celt_ener;
michael@0: 
michael@0: #define Q15ONE 32767
michael@0: 
michael@0: #define SIG_SHIFT 12
michael@0: 
michael@0: #define NORM_SCALING 16384
michael@0: 
michael@0: #define DB_SHIFT 10
michael@0: 
michael@0: #define EPSILON 1
michael@0: #define VERY_SMALL 0
michael@0: #define VERY_LARGE16 ((opus_val16)32767)
michael@0: #define Q15_ONE ((opus_val16)32767)
michael@0: 
michael@0: #define SCALEIN(a)      (a)
michael@0: #define SCALEOUT(a)     (a)
michael@0: 
michael@0: #ifdef FIXED_DEBUG
michael@0: #include "fixed_debug.h"
michael@0: #else
michael@0: 
michael@0: #include "fixed_generic.h"
michael@0: 
michael@0: #ifdef OPUS_ARM_INLINE_EDSP
michael@0: #include "arm/fixed_armv5e.h"
michael@0: #elif defined (OPUS_ARM_INLINE_ASM)
michael@0: #include "arm/fixed_armv4.h"
michael@0: #elif defined (BFIN_ASM)
michael@0: #include "fixed_bfin.h"
michael@0: #elif defined (TI_C5X_ASM)
michael@0: #include "fixed_c5x.h"
michael@0: #elif defined (TI_C6X_ASM)
michael@0: #include "fixed_c6x.h"
michael@0: #endif
michael@0: 
michael@0: #endif
michael@0: 
michael@0: #else /* FIXED_POINT */
michael@0: 
michael@0: typedef float opus_val16;
michael@0: typedef float opus_val32;
michael@0: 
michael@0: typedef float celt_sig;
michael@0: typedef float celt_norm;
michael@0: typedef float celt_ener;
michael@0: 
michael@0: #define Q15ONE 1.0f
michael@0: 
michael@0: #define NORM_SCALING 1.f
michael@0: 
michael@0: #define EPSILON 1e-15f
michael@0: #define VERY_SMALL 1e-30f
michael@0: #define VERY_LARGE16 1e15f
michael@0: #define Q15_ONE ((opus_val16)1.f)
michael@0: 
michael@0: #define QCONST16(x,bits) (x)
michael@0: #define QCONST32(x,bits) (x)
michael@0: 
michael@0: #define NEG16(x) (-(x))
michael@0: #define NEG32(x) (-(x))
michael@0: #define EXTRACT16(x) (x)
michael@0: #define EXTEND32(x) (x)
michael@0: #define SHR16(a,shift) (a)
michael@0: #define SHL16(a,shift) (a)
michael@0: #define SHR32(a,shift) (a)
michael@0: #define SHL32(a,shift) (a)
michael@0: #define PSHR32(a,shift) (a)
michael@0: #define VSHR32(a,shift) (a)
michael@0: 
michael@0: #define PSHR(a,shift)   (a)
michael@0: #define SHR(a,shift)    (a)
michael@0: #define SHL(a,shift)    (a)
michael@0: #define SATURATE(x,a)   (x)
michael@0: #define SATURATE16(x)   (x)
michael@0: 
michael@0: #define ROUND16(a,shift)  (a)
michael@0: #define HALF16(x)       (.5f*(x))
michael@0: #define HALF32(x)       (.5f*(x))
michael@0: 
michael@0: #define ADD16(a,b) ((a)+(b))
michael@0: #define SUB16(a,b) ((a)-(b))
michael@0: #define ADD32(a,b) ((a)+(b))
michael@0: #define SUB32(a,b) ((a)-(b))
michael@0: #define MULT16_16_16(a,b)     ((a)*(b))
michael@0: #define MULT16_16(a,b)     ((opus_val32)(a)*(opus_val32)(b))
michael@0: #define MAC16_16(c,a,b)     ((c)+(opus_val32)(a)*(opus_val32)(b))
michael@0: 
michael@0: #define MULT16_32_Q15(a,b)     ((a)*(b))
michael@0: #define MULT16_32_Q16(a,b)     ((a)*(b))
michael@0: 
michael@0: #define MULT32_32_Q31(a,b)     ((a)*(b))
michael@0: 
michael@0: #define MAC16_32_Q15(c,a,b)     ((c)+(a)*(b))
michael@0: 
michael@0: #define MULT16_16_Q11_32(a,b)     ((a)*(b))
michael@0: #define MULT16_16_Q11(a,b)     ((a)*(b))
michael@0: #define MULT16_16_Q13(a,b)     ((a)*(b))
michael@0: #define MULT16_16_Q14(a,b)     ((a)*(b))
michael@0: #define MULT16_16_Q15(a,b)     ((a)*(b))
michael@0: #define MULT16_16_P15(a,b)     ((a)*(b))
michael@0: #define MULT16_16_P13(a,b)     ((a)*(b))
michael@0: #define MULT16_16_P14(a,b)     ((a)*(b))
michael@0: #define MULT16_32_P16(a,b)     ((a)*(b))
michael@0: 
michael@0: #define DIV32_16(a,b)     (((opus_val32)(a))/(opus_val16)(b))
michael@0: #define DIV32(a,b)     (((opus_val32)(a))/(opus_val32)(b))
michael@0: 
michael@0: #define SCALEIN(a)      ((a)*CELT_SIG_SCALE)
michael@0: #define SCALEOUT(a)     ((a)*(1/CELT_SIG_SCALE))
michael@0: 
michael@0: #endif /* !FIXED_POINT */
michael@0: 
michael@0: #ifndef GLOBAL_STACK_SIZE
michael@0: #ifdef FIXED_POINT
michael@0: #define GLOBAL_STACK_SIZE 100000
michael@0: #else
michael@0: #define GLOBAL_STACK_SIZE 100000
michael@0: #endif
michael@0: #endif
michael@0: 
michael@0: #endif /* ARCH_H */