| 1 |
38 |
julius |
/* Header file for fp-bit.c. */
|
| 2 |
|
|
/* Copyright (C) 2000, 2002, 2003, 2006 Free Software Foundation, Inc.
|
| 3 |
|
|
|
| 4 |
|
|
This file is part of GCC.
|
| 5 |
|
|
|
| 6 |
|
|
GCC is free software; you can redistribute it and/or modify it under
|
| 7 |
|
|
the terms of the GNU General Public License as published by the Free
|
| 8 |
|
|
Software Foundation; either version 2, or (at your option) any later
|
| 9 |
|
|
version.
|
| 10 |
|
|
|
| 11 |
|
|
In addition to the permissions in the GNU General Public License, the
|
| 12 |
|
|
Free Software Foundation gives you unlimited permission to link the
|
| 13 |
|
|
compiled version of this file into combinations with other programs,
|
| 14 |
|
|
and to distribute those combinations without any restriction coming
|
| 15 |
|
|
from the use of this file. (The General Public License restrictions
|
| 16 |
|
|
do apply in other respects; for example, they cover modification of
|
| 17 |
|
|
the file, and distribution when not linked into a combine
|
| 18 |
|
|
executable.)
|
| 19 |
|
|
|
| 20 |
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
| 21 |
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 22 |
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
| 23 |
|
|
for more details.
|
| 24 |
|
|
|
| 25 |
|
|
You should have received a copy of the GNU General Public License
|
| 26 |
|
|
along with GCC; see the file COPYING. If not, write to the Free
|
| 27 |
|
|
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
| 28 |
|
|
02110-1301, USA. */
|
| 29 |
|
|
|
| 30 |
|
|
#ifndef GCC_FP_BIT_H
|
| 31 |
|
|
#define GCC_FP_BIT_H
|
| 32 |
|
|
|
| 33 |
|
|
/* Defining FINE_GRAINED_LIBRARIES allows one to select which routines
|
| 34 |
|
|
from this file are compiled via additional -D options.
|
| 35 |
|
|
|
| 36 |
|
|
This avoids the need to pull in the entire fp emulation library
|
| 37 |
|
|
when only a small number of functions are needed.
|
| 38 |
|
|
|
| 39 |
|
|
If FINE_GRAINED_LIBRARIES is not defined, then compile every
|
| 40 |
|
|
suitable routine. */
|
| 41 |
|
|
#ifndef FINE_GRAINED_LIBRARIES
|
| 42 |
|
|
#define L_pack_df
|
| 43 |
|
|
#define L_unpack_df
|
| 44 |
|
|
#define L_pack_sf
|
| 45 |
|
|
#define L_unpack_sf
|
| 46 |
|
|
#define L_addsub_sf
|
| 47 |
|
|
#define L_addsub_df
|
| 48 |
|
|
#define L_mul_sf
|
| 49 |
|
|
#define L_mul_df
|
| 50 |
|
|
#define L_div_sf
|
| 51 |
|
|
#define L_div_df
|
| 52 |
|
|
#define L_fpcmp_parts_sf
|
| 53 |
|
|
#define L_fpcmp_parts_df
|
| 54 |
|
|
#define L_compare_sf
|
| 55 |
|
|
#define L_compare_df
|
| 56 |
|
|
#define L_eq_sf
|
| 57 |
|
|
#define L_eq_df
|
| 58 |
|
|
#define L_ne_sf
|
| 59 |
|
|
#define L_ne_df
|
| 60 |
|
|
#define L_gt_sf
|
| 61 |
|
|
#define L_gt_df
|
| 62 |
|
|
#define L_ge_sf
|
| 63 |
|
|
#define L_ge_df
|
| 64 |
|
|
#define L_lt_sf
|
| 65 |
|
|
#define L_lt_df
|
| 66 |
|
|
#define L_le_sf
|
| 67 |
|
|
#define L_le_df
|
| 68 |
|
|
#define L_unord_sf
|
| 69 |
|
|
#define L_unord_df
|
| 70 |
|
|
#define L_usi_to_sf
|
| 71 |
|
|
#define L_usi_to_df
|
| 72 |
|
|
#define L_si_to_sf
|
| 73 |
|
|
#define L_si_to_df
|
| 74 |
|
|
#define L_sf_to_si
|
| 75 |
|
|
#define L_df_to_si
|
| 76 |
|
|
#define L_f_to_usi
|
| 77 |
|
|
#define L_df_to_usi
|
| 78 |
|
|
#define L_negate_sf
|
| 79 |
|
|
#define L_negate_df
|
| 80 |
|
|
#define L_make_sf
|
| 81 |
|
|
#define L_make_df
|
| 82 |
|
|
#define L_sf_to_df
|
| 83 |
|
|
#define L_df_to_sf
|
| 84 |
|
|
#ifdef FLOAT
|
| 85 |
|
|
#define L_thenan_sf
|
| 86 |
|
|
#else
|
| 87 |
|
|
#define L_thenan_df
|
| 88 |
|
|
#endif
|
| 89 |
|
|
#endif /* ! FINE_GRAINED_LIBRARIES */
|
| 90 |
|
|
|
| 91 |
|
|
#if __LDBL_MANT_DIG__ == 113 || __LDBL_MANT_DIG__ == 106
|
| 92 |
|
|
# if defined(TFLOAT) || defined(L_sf_to_tf) || defined(L_df_to_tf)
|
| 93 |
|
|
# define TMODES
|
| 94 |
|
|
# endif
|
| 95 |
|
|
#endif
|
| 96 |
|
|
|
| 97 |
|
|
typedef float SFtype __attribute__ ((mode (SF)));
|
| 98 |
|
|
typedef float DFtype __attribute__ ((mode (DF)));
|
| 99 |
|
|
#ifdef TMODES
|
| 100 |
|
|
typedef float TFtype __attribute__ ((mode (TF)));
|
| 101 |
|
|
#endif
|
| 102 |
|
|
|
| 103 |
|
|
typedef int HItype __attribute__ ((mode (HI)));
|
| 104 |
|
|
typedef int SItype __attribute__ ((mode (SI)));
|
| 105 |
|
|
typedef int DItype __attribute__ ((mode (DI)));
|
| 106 |
|
|
#ifdef TMODES
|
| 107 |
|
|
typedef int TItype __attribute__ ((mode (TI)));
|
| 108 |
|
|
#endif
|
| 109 |
|
|
|
| 110 |
|
|
/* The type of the result of a floating point comparison. This must
|
| 111 |
|
|
match `word_mode' in GCC for the target. */
|
| 112 |
|
|
#ifndef CMPtype
|
| 113 |
|
|
typedef int CMPtype __attribute__ ((mode (word)));
|
| 114 |
|
|
#endif
|
| 115 |
|
|
|
| 116 |
|
|
typedef unsigned int UHItype __attribute__ ((mode (HI)));
|
| 117 |
|
|
typedef unsigned int USItype __attribute__ ((mode (SI)));
|
| 118 |
|
|
typedef unsigned int UDItype __attribute__ ((mode (DI)));
|
| 119 |
|
|
#ifdef TMODES
|
| 120 |
|
|
typedef unsigned int UTItype __attribute__ ((mode (TI)));
|
| 121 |
|
|
#endif
|
| 122 |
|
|
|
| 123 |
|
|
#define MAX_USI_INT (~(USItype)0)
|
| 124 |
|
|
#define MAX_SI_INT ((SItype) (MAX_USI_INT >> 1))
|
| 125 |
|
|
#define BITS_PER_SI (4 * BITS_PER_UNIT)
|
| 126 |
|
|
#ifdef TMODES
|
| 127 |
|
|
#define MAX_UDI_INT (~(UDItype)0)
|
| 128 |
|
|
#define MAX_DI_INT ((DItype) (MAX_UDI_INT >> 1))
|
| 129 |
|
|
#define BITS_PER_DI (8 * BITS_PER_UNIT)
|
| 130 |
|
|
#endif
|
| 131 |
|
|
|
| 132 |
|
|
#ifdef FLOAT_ONLY
|
| 133 |
|
|
#define NO_DI_MODE
|
| 134 |
|
|
#endif
|
| 135 |
|
|
|
| 136 |
|
|
#ifdef TFLOAT
|
| 137 |
|
|
# ifndef TMODES
|
| 138 |
|
|
# error "TFLOAT requires long double to have 113 bits of mantissa"
|
| 139 |
|
|
# endif
|
| 140 |
|
|
|
| 141 |
|
|
# define PREFIXFPDP tp
|
| 142 |
|
|
# define PREFIXSFDF tf
|
| 143 |
|
|
# define NGARDS 10L /* Is this right? */
|
| 144 |
|
|
# define GARDROUND 0x1ff
|
| 145 |
|
|
# define GARDMASK 0x3ff
|
| 146 |
|
|
# define GARDMSB 0x200
|
| 147 |
|
|
# define FRAC_NBITS 128
|
| 148 |
|
|
|
| 149 |
|
|
# if __LDBL_MANT_DIG__ == 113 /* IEEE quad */
|
| 150 |
|
|
# define EXPBITS 15
|
| 151 |
|
|
# define EXPBIAS 16383
|
| 152 |
|
|
# define EXPMAX (0x7fff)
|
| 153 |
|
|
# define QUIET_NAN ((TItype)0x8 << 108)
|
| 154 |
|
|
# define FRACHIGH ((TItype)0x8 << 124)
|
| 155 |
|
|
# define FRACHIGH2 ((TItype)0xc << 124)
|
| 156 |
|
|
# define FRACBITS 112
|
| 157 |
|
|
# endif
|
| 158 |
|
|
|
| 159 |
|
|
# if __LDBL_MANT_DIG__ == 106 /* IBM extended (double+double) */
|
| 160 |
|
|
# define EXPBITS 11
|
| 161 |
|
|
# define EXPBIAS 1023
|
| 162 |
|
|
# define EXPMAX (0x7ff)
|
| 163 |
|
|
# define QUIET_NAN ((TItype)0x8 << (48 + 64))
|
| 164 |
|
|
# define FRACHIGH ((TItype)0x8 << 124)
|
| 165 |
|
|
# define FRACHIGH2 ((TItype)0xc << 124)
|
| 166 |
|
|
# define FRACBITS 105
|
| 167 |
|
|
# define HALFFRACBITS 52
|
| 168 |
|
|
# define HALFSHIFT 64
|
| 169 |
|
|
# endif
|
| 170 |
|
|
|
| 171 |
|
|
# define pack_d __pack_t
|
| 172 |
|
|
# define unpack_d __unpack_t
|
| 173 |
|
|
# define __fpcmp_parts __fpcmp_parts_t
|
| 174 |
|
|
typedef UTItype fractype;
|
| 175 |
|
|
typedef UDItype halffractype;
|
| 176 |
|
|
typedef USItype qrtrfractype;
|
| 177 |
|
|
#define qrtrfractype qrtrfractype
|
| 178 |
|
|
typedef TFtype FLO_type;
|
| 179 |
|
|
typedef TItype intfrac;
|
| 180 |
|
|
#elif defined FLOAT
|
| 181 |
|
|
# define NGARDS 7L
|
| 182 |
|
|
# define GARDROUND 0x3f
|
| 183 |
|
|
# define GARDMASK 0x7f
|
| 184 |
|
|
# define GARDMSB 0x40
|
| 185 |
|
|
# define EXPBITS 8
|
| 186 |
|
|
# define EXPBIAS 127
|
| 187 |
|
|
# define FRACBITS 23
|
| 188 |
|
|
# define EXPMAX (0xff)
|
| 189 |
|
|
# define QUIET_NAN 0x100000L
|
| 190 |
|
|
# define FRAC_NBITS 32
|
| 191 |
|
|
# define FRACHIGH 0x80000000L
|
| 192 |
|
|
# define FRACHIGH2 0xc0000000L
|
| 193 |
|
|
# define pack_d __pack_f
|
| 194 |
|
|
# define unpack_d __unpack_f
|
| 195 |
|
|
# define __fpcmp_parts __fpcmp_parts_f
|
| 196 |
|
|
typedef USItype fractype;
|
| 197 |
|
|
typedef UHItype halffractype;
|
| 198 |
|
|
typedef SFtype FLO_type;
|
| 199 |
|
|
typedef SItype intfrac;
|
| 200 |
|
|
|
| 201 |
|
|
#else
|
| 202 |
|
|
# define PREFIXFPDP dp
|
| 203 |
|
|
# define PREFIXSFDF df
|
| 204 |
|
|
# define NGARDS 8L
|
| 205 |
|
|
# define GARDROUND 0x7f
|
| 206 |
|
|
# define GARDMASK 0xff
|
| 207 |
|
|
# define GARDMSB 0x80
|
| 208 |
|
|
# define EXPBITS 11
|
| 209 |
|
|
# define EXPBIAS 1023
|
| 210 |
|
|
# define FRACBITS 52
|
| 211 |
|
|
# define EXPMAX (0x7ff)
|
| 212 |
|
|
# define QUIET_NAN 0x8000000000000LL
|
| 213 |
|
|
# define FRAC_NBITS 64
|
| 214 |
|
|
# define FRACHIGH 0x8000000000000000LL
|
| 215 |
|
|
# define FRACHIGH2 0xc000000000000000LL
|
| 216 |
|
|
# define pack_d __pack_d
|
| 217 |
|
|
# define unpack_d __unpack_d
|
| 218 |
|
|
# define __fpcmp_parts __fpcmp_parts_d
|
| 219 |
|
|
typedef UDItype fractype;
|
| 220 |
|
|
typedef USItype halffractype;
|
| 221 |
|
|
typedef DFtype FLO_type;
|
| 222 |
|
|
typedef DItype intfrac;
|
| 223 |
|
|
#endif /* FLOAT */
|
| 224 |
|
|
|
| 225 |
|
|
#ifdef US_SOFTWARE_GOFAST
|
| 226 |
|
|
# ifdef TFLOAT
|
| 227 |
|
|
# error "GOFAST TFmode not supported"
|
| 228 |
|
|
# elif defined FLOAT
|
| 229 |
|
|
# define add fpadd
|
| 230 |
|
|
# define sub fpsub
|
| 231 |
|
|
# define multiply fpmul
|
| 232 |
|
|
# define divide fpdiv
|
| 233 |
|
|
# define compare fpcmp
|
| 234 |
|
|
# define _unord_f2 __unordsf2
|
| 235 |
|
|
# define usi_to_float __floatunsisf
|
| 236 |
|
|
# define si_to_float sitofp
|
| 237 |
|
|
# define float_to_si fptosi
|
| 238 |
|
|
# define float_to_usi fptoui
|
| 239 |
|
|
# define negate __negsf2
|
| 240 |
|
|
# define sf_to_df fptodp
|
| 241 |
|
|
# define sf_to_tf __extendsftf2
|
| 242 |
|
|
# else
|
| 243 |
|
|
# define add dpadd
|
| 244 |
|
|
# define sub dpsub
|
| 245 |
|
|
# define multiply dpmul
|
| 246 |
|
|
# define divide dpdiv
|
| 247 |
|
|
# define compare dpcmp
|
| 248 |
|
|
# define _unord_f2 __unorddf2
|
| 249 |
|
|
# define usi_to_float __floatunsidf
|
| 250 |
|
|
# define si_to_float litodp
|
| 251 |
|
|
# define float_to_si dptoli
|
| 252 |
|
|
# define float_to_usi dptoul
|
| 253 |
|
|
# define negate __negdf2
|
| 254 |
|
|
# define df_to_sf dptofp
|
| 255 |
|
|
# define df_to_tf __extenddftf2
|
| 256 |
|
|
# endif /* FLOAT */
|
| 257 |
|
|
#else
|
| 258 |
|
|
# ifdef TFLOAT
|
| 259 |
|
|
# define add __addtf3
|
| 260 |
|
|
# define sub __subtf3
|
| 261 |
|
|
# define multiply __multf3
|
| 262 |
|
|
# define divide __divtf3
|
| 263 |
|
|
# define compare __cmptf2
|
| 264 |
|
|
# define _eq_f2 __eqtf2
|
| 265 |
|
|
# define _ne_f2 __netf2
|
| 266 |
|
|
# define _gt_f2 __gttf2
|
| 267 |
|
|
# define _ge_f2 __getf2
|
| 268 |
|
|
# define _lt_f2 __lttf2
|
| 269 |
|
|
# define _le_f2 __letf2
|
| 270 |
|
|
# define _unord_f2 __unordtf2
|
| 271 |
|
|
# define usi_to_float __floatunsitf
|
| 272 |
|
|
# define si_to_float __floatsitf
|
| 273 |
|
|
# define float_to_si __fixtfsi
|
| 274 |
|
|
# define float_to_usi __fixunstfsi
|
| 275 |
|
|
# define negate __negtf2
|
| 276 |
|
|
# define tf_to_sf __trunctfsf2
|
| 277 |
|
|
# define tf_to_df __trunctfdf2
|
| 278 |
|
|
# elif defined FLOAT
|
| 279 |
|
|
# define add __addsf3
|
| 280 |
|
|
# define sub __subsf3
|
| 281 |
|
|
# define multiply __mulsf3
|
| 282 |
|
|
# define divide __divsf3
|
| 283 |
|
|
# define compare __cmpsf2
|
| 284 |
|
|
# define _eq_f2 __eqsf2
|
| 285 |
|
|
# define _ne_f2 __nesf2
|
| 286 |
|
|
# define _gt_f2 __gtsf2
|
| 287 |
|
|
# define _ge_f2 __gesf2
|
| 288 |
|
|
# define _lt_f2 __ltsf2
|
| 289 |
|
|
# define _le_f2 __lesf2
|
| 290 |
|
|
# define _unord_f2 __unordsf2
|
| 291 |
|
|
# define usi_to_float __floatunsisf
|
| 292 |
|
|
# define si_to_float __floatsisf
|
| 293 |
|
|
# define float_to_si __fixsfsi
|
| 294 |
|
|
# define float_to_usi __fixunssfsi
|
| 295 |
|
|
# define negate __negsf2
|
| 296 |
|
|
# define sf_to_df __extendsfdf2
|
| 297 |
|
|
# define sf_to_tf __extendsftf2
|
| 298 |
|
|
# else
|
| 299 |
|
|
# define add __adddf3
|
| 300 |
|
|
# define sub __subdf3
|
| 301 |
|
|
# define multiply __muldf3
|
| 302 |
|
|
# define divide __divdf3
|
| 303 |
|
|
# define compare __cmpdf2
|
| 304 |
|
|
# define _eq_f2 __eqdf2
|
| 305 |
|
|
# define _ne_f2 __nedf2
|
| 306 |
|
|
# define _gt_f2 __gtdf2
|
| 307 |
|
|
# define _ge_f2 __gedf2
|
| 308 |
|
|
# define _lt_f2 __ltdf2
|
| 309 |
|
|
# define _le_f2 __ledf2
|
| 310 |
|
|
# define _unord_f2 __unorddf2
|
| 311 |
|
|
# define usi_to_float __floatunsidf
|
| 312 |
|
|
# define si_to_float __floatsidf
|
| 313 |
|
|
# define float_to_si __fixdfsi
|
| 314 |
|
|
# define float_to_usi __fixunsdfsi
|
| 315 |
|
|
# define negate __negdf2
|
| 316 |
|
|
# define df_to_sf __truncdfsf2
|
| 317 |
|
|
# define df_to_tf __extenddftf2
|
| 318 |
|
|
# endif /* FLOAT */
|
| 319 |
|
|
#endif /* US_SOFTWARE_GOFAST */
|
| 320 |
|
|
|
| 321 |
|
|
#ifndef INLINE
|
| 322 |
|
|
#define INLINE __inline__
|
| 323 |
|
|
#endif
|
| 324 |
|
|
|
| 325 |
|
|
/* Preserve the sticky-bit when shifting fractions to the right. */
|
| 326 |
|
|
#define LSHIFT(a, s) { a = (a >> s) | !!(a & (((fractype) 1 << s) - 1)); }
|
| 327 |
|
|
|
| 328 |
|
|
/* numeric parameters */
|
| 329 |
|
|
/* F_D_BITOFF is the number of bits offset between the MSB of the mantissa
|
| 330 |
|
|
of a float and of a double. Assumes there are only two float types.
|
| 331 |
|
|
(double::FRAC_BITS+double::NGARDS-(float::FRAC_BITS-float::NGARDS))
|
| 332 |
|
|
*/
|
| 333 |
|
|
#define F_D_BITOFF (52+8-(23+7))
|
| 334 |
|
|
|
| 335 |
|
|
#ifdef TMODES
|
| 336 |
|
|
# define F_T_BITOFF (__LDBL_MANT_DIG__-1+10-(23+7))
|
| 337 |
|
|
# define D_T_BITOFF (__LDBL_MANT_DIG__-1+10-(52+8))
|
| 338 |
|
|
#endif
|
| 339 |
|
|
|
| 340 |
|
|
|
| 341 |
|
|
#define NORMAL_EXPMIN (-(EXPBIAS)+1)
|
| 342 |
|
|
#define IMPLICIT_1 ((fractype)1<<(FRACBITS+NGARDS))
|
| 343 |
|
|
#define IMPLICIT_2 ((fractype)1<<(FRACBITS+1+NGARDS))
|
| 344 |
|
|
|
| 345 |
|
|
/* common types */
|
| 346 |
|
|
|
| 347 |
|
|
typedef enum
|
| 348 |
|
|
{
|
| 349 |
|
|
CLASS_SNAN,
|
| 350 |
|
|
CLASS_QNAN,
|
| 351 |
|
|
CLASS_ZERO,
|
| 352 |
|
|
CLASS_NUMBER,
|
| 353 |
|
|
CLASS_INFINITY
|
| 354 |
|
|
} fp_class_type;
|
| 355 |
|
|
|
| 356 |
|
|
typedef struct
|
| 357 |
|
|
{
|
| 358 |
|
|
#ifdef SMALL_MACHINE
|
| 359 |
|
|
char class;
|
| 360 |
|
|
unsigned char sign;
|
| 361 |
|
|
short normal_exp;
|
| 362 |
|
|
#else
|
| 363 |
|
|
fp_class_type class;
|
| 364 |
|
|
unsigned int sign;
|
| 365 |
|
|
int normal_exp;
|
| 366 |
|
|
#endif
|
| 367 |
|
|
|
| 368 |
|
|
union
|
| 369 |
|
|
{
|
| 370 |
|
|
fractype ll;
|
| 371 |
|
|
halffractype l[2];
|
| 372 |
|
|
} fraction;
|
| 373 |
|
|
} fp_number_type;
|
| 374 |
|
|
|
| 375 |
|
|
typedef union
|
| 376 |
|
|
{
|
| 377 |
|
|
FLO_type value;
|
| 378 |
|
|
fractype value_raw;
|
| 379 |
|
|
|
| 380 |
|
|
#ifndef FLOAT
|
| 381 |
|
|
# ifdef qrtrfractype
|
| 382 |
|
|
qrtrfractype qwords[4];
|
| 383 |
|
|
# else
|
| 384 |
|
|
halffractype words[2];
|
| 385 |
|
|
# endif
|
| 386 |
|
|
#endif
|
| 387 |
|
|
|
| 388 |
|
|
#ifdef FLOAT_BIT_ORDER_MISMATCH
|
| 389 |
|
|
struct
|
| 390 |
|
|
{
|
| 391 |
|
|
fractype fraction:FRACBITS __attribute__ ((packed));
|
| 392 |
|
|
unsigned int exp:EXPBITS __attribute__ ((packed));
|
| 393 |
|
|
unsigned int sign:1 __attribute__ ((packed));
|
| 394 |
|
|
}
|
| 395 |
|
|
bits;
|
| 396 |
|
|
#endif
|
| 397 |
|
|
|
| 398 |
|
|
#ifdef _DEBUG_BITFLOAT
|
| 399 |
|
|
struct
|
| 400 |
|
|
{
|
| 401 |
|
|
unsigned int sign:1 __attribute__ ((packed));
|
| 402 |
|
|
unsigned int exp:EXPBITS __attribute__ ((packed));
|
| 403 |
|
|
fractype fraction:FRACBITS __attribute__ ((packed));
|
| 404 |
|
|
}
|
| 405 |
|
|
bits_big_endian;
|
| 406 |
|
|
|
| 407 |
|
|
struct
|
| 408 |
|
|
{
|
| 409 |
|
|
fractype fraction:FRACBITS __attribute__ ((packed));
|
| 410 |
|
|
unsigned int exp:EXPBITS __attribute__ ((packed));
|
| 411 |
|
|
unsigned int sign:1 __attribute__ ((packed));
|
| 412 |
|
|
}
|
| 413 |
|
|
bits_little_endian;
|
| 414 |
|
|
#endif
|
| 415 |
|
|
}
|
| 416 |
|
|
FLO_union_type;
|
| 417 |
|
|
|
| 418 |
|
|
/* Prototypes */
|
| 419 |
|
|
|
| 420 |
|
|
#if defined(L_pack_df) || defined(L_pack_sf) || defined(L_pack_tf)
|
| 421 |
|
|
extern FLO_type pack_d (fp_number_type *);
|
| 422 |
|
|
#endif
|
| 423 |
|
|
|
| 424 |
|
|
extern void unpack_d (FLO_union_type *, fp_number_type *);
|
| 425 |
|
|
|
| 426 |
|
|
#if defined(L_addsub_sf) || defined(L_addsub_df) || defined(L_addsub_tf)
|
| 427 |
|
|
extern FLO_type add (FLO_type, FLO_type);
|
| 428 |
|
|
extern FLO_type sub (FLO_type, FLO_type);
|
| 429 |
|
|
#endif
|
| 430 |
|
|
|
| 431 |
|
|
#if defined(L_mul_sf) || defined(L_mul_df) || defined(L_mul_tf)
|
| 432 |
|
|
extern FLO_type multiply (FLO_type, FLO_type);
|
| 433 |
|
|
#endif
|
| 434 |
|
|
|
| 435 |
|
|
#if defined(L_div_sf) || defined(L_div_df) || defined(L_div_tf)
|
| 436 |
|
|
extern FLO_type divide (FLO_type, FLO_type);
|
| 437 |
|
|
#endif
|
| 438 |
|
|
|
| 439 |
|
|
extern int __fpcmp_parts (fp_number_type *, fp_number_type *);
|
| 440 |
|
|
|
| 441 |
|
|
#if defined(L_compare_sf) || defined(L_compare_df) || defined(L_compare_tf)
|
| 442 |
|
|
extern CMPtype compare (FLO_type, FLO_type);
|
| 443 |
|
|
#endif
|
| 444 |
|
|
|
| 445 |
|
|
#ifndef US_SOFTWARE_GOFAST
|
| 446 |
|
|
|
| 447 |
|
|
#if defined(L_eq_sf) || defined(L_eq_df) || defined(L_eq_tf)
|
| 448 |
|
|
extern CMPtype _eq_f2 (FLO_type, FLO_type);
|
| 449 |
|
|
#endif
|
| 450 |
|
|
|
| 451 |
|
|
#if defined(L_ne_sf) || defined(L_ne_df) || defined(L_ne_tf)
|
| 452 |
|
|
extern CMPtype _ne_f2 (FLO_type, FLO_type);
|
| 453 |
|
|
#endif
|
| 454 |
|
|
|
| 455 |
|
|
#if defined(L_gt_sf) || defined(L_gt_df) || defined(L_gt_tf)
|
| 456 |
|
|
extern CMPtype _gt_f2 (FLO_type, FLO_type);
|
| 457 |
|
|
#endif
|
| 458 |
|
|
|
| 459 |
|
|
#if defined(L_ge_sf) || defined(L_ge_df) || defined(L_ge_tf)
|
| 460 |
|
|
extern CMPtype _ge_f2 (FLO_type, FLO_type);
|
| 461 |
|
|
#endif
|
| 462 |
|
|
|
| 463 |
|
|
#if defined(L_lt_sf) || defined(L_lt_df) || defined(L_lt_tf)
|
| 464 |
|
|
extern CMPtype _lt_f2 (FLO_type, FLO_type);
|
| 465 |
|
|
#endif
|
| 466 |
|
|
|
| 467 |
|
|
#if defined(L_le_sf) || defined(L_le_df) || defined(L_le_tf)
|
| 468 |
|
|
extern CMPtype _le_f2 (FLO_type, FLO_type);
|
| 469 |
|
|
#endif
|
| 470 |
|
|
|
| 471 |
|
|
#if defined(L_unord_sf) || defined(L_unord_df) || defined(L_unord_tf)
|
| 472 |
|
|
extern CMPtype _unord_f2 (FLO_type, FLO_type);
|
| 473 |
|
|
#endif
|
| 474 |
|
|
|
| 475 |
|
|
#endif /* ! US_SOFTWARE_GOFAST */
|
| 476 |
|
|
|
| 477 |
|
|
#if defined(L_si_to_sf) || defined(L_si_to_df) || defined(L_si_to_tf)
|
| 478 |
|
|
extern FLO_type si_to_float (SItype);
|
| 479 |
|
|
#endif
|
| 480 |
|
|
|
| 481 |
|
|
#if defined(L_sf_to_si) || defined(L_df_to_si) || defined(L_tf_to_si)
|
| 482 |
|
|
extern SItype float_to_si (FLO_type);
|
| 483 |
|
|
#endif
|
| 484 |
|
|
|
| 485 |
|
|
#if defined(L_sf_to_usi) || defined(L_df_to_usi) || defined(L_tf_to_usi)
|
| 486 |
|
|
#if defined(US_SOFTWARE_GOFAST) || defined(L_tf_to_usi)
|
| 487 |
|
|
extern USItype float_to_usi (FLO_type);
|
| 488 |
|
|
#endif
|
| 489 |
|
|
#endif
|
| 490 |
|
|
|
| 491 |
|
|
#if defined(L_usi_to_sf) || defined(L_usi_to_df) || defined(L_usi_to_tf)
|
| 492 |
|
|
extern FLO_type usi_to_float (USItype);
|
| 493 |
|
|
#endif
|
| 494 |
|
|
|
| 495 |
|
|
#if defined(L_negate_sf) || defined(L_negate_df) || defined(L_negate_tf)
|
| 496 |
|
|
extern FLO_type negate (FLO_type);
|
| 497 |
|
|
#endif
|
| 498 |
|
|
|
| 499 |
|
|
#ifdef FLOAT
|
| 500 |
|
|
#if defined(L_make_sf)
|
| 501 |
|
|
extern SFtype __make_fp (fp_class_type, unsigned int, int, USItype);
|
| 502 |
|
|
#endif
|
| 503 |
|
|
#ifndef FLOAT_ONLY
|
| 504 |
|
|
extern DFtype __make_dp (fp_class_type, unsigned int, int, UDItype);
|
| 505 |
|
|
#if defined(L_sf_to_df)
|
| 506 |
|
|
extern DFtype sf_to_df (SFtype);
|
| 507 |
|
|
#endif
|
| 508 |
|
|
#if defined(L_sf_to_tf) && defined(TMODES)
|
| 509 |
|
|
extern TFtype sf_to_tf (SFtype);
|
| 510 |
|
|
#endif
|
| 511 |
|
|
#endif /* ! FLOAT_ONLY */
|
| 512 |
|
|
#endif /* FLOAT */
|
| 513 |
|
|
|
| 514 |
|
|
#ifndef FLOAT
|
| 515 |
|
|
extern SFtype __make_fp (fp_class_type, unsigned int, int, USItype);
|
| 516 |
|
|
#if defined(L_make_df)
|
| 517 |
|
|
extern DFtype __make_dp (fp_class_type, unsigned int, int, UDItype);
|
| 518 |
|
|
#endif
|
| 519 |
|
|
#if defined(L_df_to_sf)
|
| 520 |
|
|
extern SFtype df_to_sf (DFtype);
|
| 521 |
|
|
#endif
|
| 522 |
|
|
#if defined(L_df_to_tf) && defined(TMODES)
|
| 523 |
|
|
extern TFtype df_to_tf (DFtype);
|
| 524 |
|
|
#endif
|
| 525 |
|
|
#endif /* ! FLOAT */
|
| 526 |
|
|
|
| 527 |
|
|
#ifdef TMODES
|
| 528 |
|
|
extern DFtype __make_dp (fp_class_type, unsigned int, int, UDItype);
|
| 529 |
|
|
extern TFtype __make_tp (fp_class_type, unsigned int, int, UTItype);
|
| 530 |
|
|
#ifdef TFLOAT
|
| 531 |
|
|
#if defined(L_tf_to_sf)
|
| 532 |
|
|
extern SFtype tf_to_sf (TFtype);
|
| 533 |
|
|
#endif
|
| 534 |
|
|
#if defined(L_tf_to_df)
|
| 535 |
|
|
extern DFtype tf_to_df (TFtype);
|
| 536 |
|
|
#endif
|
| 537 |
|
|
#if defined(L_di_to_tf)
|
| 538 |
|
|
extern TFtype di_to_df (DItype);
|
| 539 |
|
|
#endif
|
| 540 |
|
|
#endif /* TFLOAT */
|
| 541 |
|
|
#endif /* TMODES */
|
| 542 |
|
|
|
| 543 |
|
|
#endif /* ! GCC_FP_BIT_H */
|
