1 /* Copyright (c) 2003-2008 Jean-Marc Valin 2 Copyright (c) 2007-2008 CSIRO 3 Copyright (c) 2007-2009 Xiph.Org Foundation 4 Written by Jean-Marc Valin */ 5 /** 6 @file arch.h 7 @brief Various architecture definitions for CELT 8 */ 9 /* 10 Redistribution and use in source and binary forms, with or without 11 modification, are permitted provided that the following conditions 12 are met: 13 14 - Redistributions of source code must retain the above copyright 15 notice, this list of conditions and the following disclaimer. 16 17 - Redistributions in binary form must reproduce the above copyright 18 notice, this list of conditions and the following disclaimer in the 19 documentation and/or other materials provided with the distribution. 20 21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 25 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 26 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 28 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 29 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 31 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef ARCH_H 35 #define ARCH_H 36 37 #include "opus_types.h" 38 39 # if !defined(__GNUC_PREREQ) 40 # if defined(__GNUC__)&&defined(__GNUC_MINOR__) 41 # define __GNUC_PREREQ(_maj,_min) \ 42 ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min)) 43 # else 44 # define __GNUC_PREREQ(_maj,_min) 0 45 # endif 46 # endif 47 48 #define CELT_SIG_SCALE 32768.f 49 50 #define celt_fatal(str) _celt_fatal(str, __FILE__, __LINE__); 51 #ifdef ENABLE_ASSERTIONS 52 #include <stdio.h> 53 #include <stdlib.h> 54 #ifdef __GNUC__ 55 __attribute__((noreturn)) 56 #endif 57 static inline void _celt_fatal(const char *str, const char *file, int line) 58 { 59 fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, str); 60 abort(); 61 } 62 #define celt_assert(cond) {if (!(cond)) {celt_fatal("assertion failed: " #cond);}} 63 #define celt_assert2(cond, message) {if (!(cond)) {celt_fatal("assertion failed: " #cond "\n" message);}} 64 #else 65 #define celt_assert(cond) 66 #define celt_assert2(cond, message) 67 #endif 68 69 #define IMUL32(a,b) ((a)*(b)) 70 71 #define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */ 72 #define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */ 73 #define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 16-bit value. */ 74 #define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */ 75 #define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */ 76 #define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 32-bit value. */ 77 #define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */ 78 #define IMIN(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum int value. */ 79 #define IMAX(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum int value. */ 80 #define UADD32(a,b) ((a)+(b)) 81 #define USUB32(a,b) ((a)-(b)) 82 83 #define PRINT_MIPS(file) 84 85 #ifdef FIXED_POINT 86 87 typedef opus_int16 opus_val16; 88 typedef opus_int32 opus_val32; 89 90 typedef opus_val32 celt_sig; 91 typedef opus_val16 celt_norm; 92 typedef opus_val32 celt_ener; 93 94 #define Q15ONE 32767 95 96 #define SIG_SHIFT 12 97 98 #define NORM_SCALING 16384 99 100 #define DB_SHIFT 10 101 102 #define EPSILON 1 103 #define VERY_LARGE16 ((opus_val16)32767) 104 #define Q15_ONE ((opus_val16)32767) 105 106 #define SCALEIN(a) (a) 107 #define SCALEOUT(a) (a) 108 109 #ifdef FIXED_DEBUG 110 #include "fixed_debug.h" 111 #else 112 113 #include "fixed_generic.h" 114 115 #ifdef ARM5E_ASM 116 #include "fixed_arm5e.h" 117 #elif defined (ARM4_ASM) 118 #include "fixed_arm4.h" 119 #elif defined (BFIN_ASM) 120 #include "fixed_bfin.h" 121 #elif defined (TI_C5X_ASM) 122 #include "fixed_c5x.h" 123 #elif defined (TI_C6X_ASM) 124 #include "fixed_c6x.h" 125 #endif 126 127 #endif 128 129 #else /* FIXED_POINT */ 130 131 typedef float opus_val16; 132 typedef float opus_val32; 133 134 typedef float celt_sig; 135 typedef float celt_norm; 136 typedef float celt_ener; 137 138 #define Q15ONE 1.0f 139 140 #define NORM_SCALING 1.f 141 142 #define EPSILON 1e-15f 143 #define VERY_LARGE16 1e15f 144 #define Q15_ONE ((opus_val16)1.f) 145 146 #define QCONST16(x,bits) (x) 147 #define QCONST32(x,bits) (x) 148 149 #define NEG16(x) (-(x)) 150 #define NEG32(x) (-(x)) 151 #define EXTRACT16(x) (x) 152 #define EXTEND32(x) (x) 153 #define SHR16(a,shift) (a) 154 #define SHL16(a,shift) (a) 155 #define SHR32(a,shift) (a) 156 #define SHL32(a,shift) (a) 157 #define PSHR32(a,shift) (a) 158 #define VSHR32(a,shift) (a) 159 160 #define PSHR(a,shift) (a) 161 #define SHR(a,shift) (a) 162 #define SHL(a,shift) (a) 163 #define SATURATE(x,a) (x) 164 165 #define ROUND16(a,shift) (a) 166 #define HALF16(x) (.5f*(x)) 167 #define HALF32(x) (.5f*(x)) 168 169 #define ADD16(a,b) ((a)+(b)) 170 #define SUB16(a,b) ((a)-(b)) 171 #define ADD32(a,b) ((a)+(b)) 172 #define SUB32(a,b) ((a)-(b)) 173 #define MULT16_16_16(a,b) ((a)*(b)) 174 #define MULT16_16(a,b) ((opus_val32)(a)*(opus_val32)(b)) 175 #define MAC16_16(c,a,b) ((c)+(opus_val32)(a)*(opus_val32)(b)) 176 177 #define MULT16_32_Q15(a,b) ((a)*(b)) 178 #define MULT16_32_Q16(a,b) ((a)*(b)) 179 180 #define MULT32_32_Q31(a,b) ((a)*(b)) 181 182 #define MAC16_32_Q15(c,a,b) ((c)+(a)*(b)) 183 184 #define MULT16_16_Q11_32(a,b) ((a)*(b)) 185 #define MULT16_16_Q13(a,b) ((a)*(b)) 186 #define MULT16_16_Q14(a,b) ((a)*(b)) 187 #define MULT16_16_Q15(a,b) ((a)*(b)) 188 #define MULT16_16_P15(a,b) ((a)*(b)) 189 #define MULT16_16_P13(a,b) ((a)*(b)) 190 #define MULT16_16_P14(a,b) ((a)*(b)) 191 #define MULT16_32_P16(a,b) ((a)*(b)) 192 193 #define DIV32_16(a,b) (((opus_val32)(a))/(opus_val16)(b)) 194 #define DIV32(a,b) (((opus_val32)(a))/(opus_val32)(b)) 195 196 #define SCALEIN(a) ((a)*CELT_SIG_SCALE) 197 #define SCALEOUT(a) ((a)*(1/CELT_SIG_SCALE)) 198 199 #endif /* !FIXED_POINT */ 200 201 #ifndef GLOBAL_STACK_SIZE 202 #ifdef FIXED_POINT 203 #define GLOBAL_STACK_SIZE 100000 204 #else 205 #define GLOBAL_STACK_SIZE 100000 206 #endif 207 #endif 208 209 #endif /* ARCH_H */ 210
