libgcc/libgcc2.h

   1 /* Header file for libgcc2.c.  */
   2 /* Copyright (C) 2000, 2001, 2004, 2005, 2009, 2010
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 Under Section 7 of GPL version 3, you are granted additional
  18 permissions described in the GCC Runtime Library Exception, version
  19 3.1, as published by the Free Software Foundation.
  20
  21 You should have received a copy of the GNU General Public License and
  22 a copy of the GCC Runtime Library Exception along with this program;
  23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 <http://www.gnu.org/licenses/>.  */
  25
  26 #ifndef GCC_LIBGCC2_H
  27 #define GCC_LIBGCC2_H
  28
  29 #ifndef HIDE_EXPORTS
  30 #pragma GCC visibility push(default)
  31 #endif
  32
  33 extern int __gcc_bcmp (const unsigned char *, const unsigned char *, size_t);
  34 extern void __clear_cache (char *, char *);
  35 extern void __eprintf (const char *, const char *, unsigned int, const char *)
  36   __attribute__ ((__noreturn__));
  37
  38 #ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
  39 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
  40 #endif
  41
  42 #ifndef LIBGCC2_HAS_SF_MODE
  43 #define LIBGCC2_HAS_SF_MODE (BITS_PER_UNIT == 8)
  44 #endif
  45
  46 #ifndef LIBGCC2_HAS_DF_MODE
  47 #define LIBGCC2_HAS_DF_MODE \
  48   (BITS_PER_UNIT == 8 \
  49    && (__SIZEOF_DOUBLE__ * __CHAR_BIT__ == 64 \
  50        || LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64))
  51 #endif
  52
  53 #ifndef LIBGCC2_HAS_XF_MODE
  54 #define LIBGCC2_HAS_XF_MODE \
  55   (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 80)
  56 #endif
  57
  58 #ifndef LIBGCC2_HAS_TF_MODE
  59 #define LIBGCC2_HAS_TF_MODE \
  60   (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
  61 #endif
  62
  63 #ifndef SF_SIZE
  64 #if LIBGCC2_HAS_SF_MODE
  65 #define SF_SIZE FLT_MANT_DIG
  66 #else
  67 #define SF_SIZE 0
  68 #endif
  69 #endif
  70
  71 #ifndef DF_SIZE
  72 #if LIBGCC2_HAS_DF_MODE
  73 #if __SIZEOF_DOUBLE__ * __CHAR_BIT__ == 64
  74 #define DF_SIZE DBL_MANT_DIG
  75 #elif LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64
  76 #define DF_SIZE LDBL_MANT_DIG
  77 #else
  78 #define DF_SIZE 0
  79 #endif
  80 #else
  81 #define DF_SIZE 0
  82 #endif
  83 #endif
  84
  85 #ifndef XF_SIZE
  86 #if LIBGCC2_HAS_XF_MODE
  87 #define XF_SIZE LDBL_MANT_DIG
  88 #else
  89 #define XF_SIZE 0
  90 #endif
  91 #endif
  92
  93 #ifndef TF_SIZE
  94 #if LIBGCC2_HAS_TF_MODE
  95 #define TF_SIZE LDBL_MANT_DIG
  96 #else
  97 #define TF_SIZE 0
  98 #endif
  99 #endif
 100
 101 /* FIXME: This #ifdef probably should be removed, ie. enable the test
 102    for mips too.  */
 103 /* Don't use IBM Extended Double TFmode for TI->SF calculations.
 104    The conversion from long double to float suffers from double
 105    rounding, because we convert via double.  In other cases, going
 106    through the software fp routines is much slower than the fallback.  */
 107 #ifdef __powerpc__
 108 #define AVOID_FP_TYPE_CONVERSION(SIZE) (SIZE == 106)
 109 #elif defined(WIDEST_HARDWARE_FP_SIZE)
 110 #define AVOID_FP_TYPE_CONVERSION(SIZE) (SIZE > WIDEST_HARDWARE_FP_SIZE)
 111 #else
 112 #define AVOID_FP_TYPE_CONVERSION(SIZE) 0
 113 #endif
 114
 115 /* In the first part of this file, we are interfacing to calls generated
 116    by the compiler itself.  These calls pass values into these routines
 117    which have very specific modes (rather than very specific types), and
 118    these compiler-generated calls also expect any return values to have
 119    very specific modes (rather than very specific types).  Thus, we need
 120    to avoid using regular C language type names in this part of the file
 121    because the sizes for those types can be configured to be anything.
 122    Instead we use the following special type names.  */
 123
 124 typedef          int QItype     __attribute__ ((mode (QI)));
 125 typedef unsigned int UQItype    __attribute__ ((mode (QI)));
 126 typedef          int HItype     __attribute__ ((mode (HI)));
 127 typedef unsigned int UHItype    __attribute__ ((mode (HI)));
 128 #if MIN_UNITS_PER_WORD > 1
 129 /* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1.  */
 130 typedef          int SItype     __attribute__ ((mode (SI)));
 131 typedef unsigned int USItype    __attribute__ ((mode (SI)));
 132 #if __SIZEOF_LONG_LONG__ > 4
 133 /* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2.  */
 134 typedef          int DItype     __attribute__ ((mode (DI)));
 135 typedef unsigned int UDItype    __attribute__ ((mode (DI)));
 136 #if MIN_UNITS_PER_WORD > 4
 137 /* These typedefs are usually forbidden on archs with UNITS_PER_WORD 4.  */
 138 typedef          int TItype     __attribute__ ((mode (TI)));
 139 typedef unsigned int UTItype    __attribute__ ((mode (TI)));
 140 #endif
 141 #endif
 142 #endif
 143
 144 #if LIBGCC2_HAS_SF_MODE
 145 typedef         float SFtype    __attribute__ ((mode (SF)));
 146 typedef _Complex float SCtype   __attribute__ ((mode (SC)));
 147 #endif
 148 #if LIBGCC2_HAS_DF_MODE
 149 typedef         float DFtype    __attribute__ ((mode (DF)));
 150 typedef _Complex float DCtype   __attribute__ ((mode (DC)));
 151 #endif
 152 #if LIBGCC2_HAS_XF_MODE
 153 typedef         float XFtype    __attribute__ ((mode (XF)));
 154 typedef _Complex float XCtype   __attribute__ ((mode (XC)));
 155 #endif
 156 #if LIBGCC2_HAS_TF_MODE
 157 typedef         float TFtype    __attribute__ ((mode (TF)));
 158 typedef _Complex float TCtype   __attribute__ ((mode (TC)));
 159 #endif
 160
 161 typedef int cmp_return_type __attribute__((mode (__libgcc_cmp_return__)));
 162 typedef int shift_count_type __attribute__((mode (__libgcc_shift_count__)));
 163
 164 /* Make sure that we don't accidentally use any normal C language built-in
 165    type names in the first part of this file.  Instead we want to use *only*
 166    the type names defined above.  The following macro definitions insure
 167    that if we *do* accidentally use some normal C language built-in type name,
 168    we will get a syntax error.  */
 169
 170 #define char bogus_type
 171 #define short bogus_type
 172 #define int bogus_type
 173 #define long bogus_type
 174 #define unsigned bogus_type
 175 #define float bogus_type
 176 #define double bogus_type
 177
 178 /* Versions prior to 3.4.4 were not taking into account the word size for
 179    the 5 trapping arithmetic functions absv, addv, subv, mulv and negv.  As
 180    a consequence, the si and di variants were always and the only ones emitted.
 181    To maintain backward compatibility, COMPAT_SIMODE_TRAPPING_ARITHMETIC is
 182    defined on platforms where it makes sense to still have the si variants
 183    emitted.  As a bonus, their implementation is now correct.  Note that the
 184    same mechanism should have been implemented for the di variants, but it
 185    turns out that no platform would define COMPAT_DIMODE_TRAPPING_ARITHMETIC
 186    if it existed.  */
 187
 188 #if LIBGCC2_UNITS_PER_WORD == 8
 189 #define W_TYPE_SIZE (8 * BITS_PER_UNIT)
 190 #define Wtype   DItype
 191 #define UWtype  UDItype
 192 #define HWtype  DItype
 193 #define UHWtype UDItype
 194 #define DWtype  TItype
 195 #define UDWtype UTItype
 196 #ifdef LIBGCC2_GNU_PREFIX
 197 #define __NW(a,b)       __gnu_ ## a ## di ## b
 198 #define __NDW(a,b)      __gnu_ ## a ## ti ## b
 199 #else
 200 #define __NW(a,b)       __ ## a ## di ## b
 201 #define __NDW(a,b)      __ ## a ## ti ## b
 202 #endif
 203 #define COMPAT_SIMODE_TRAPPING_ARITHMETIC
 204 #elif LIBGCC2_UNITS_PER_WORD == 4
 205 #define W_TYPE_SIZE (4 * BITS_PER_UNIT)
 206 #define Wtype   SItype
 207 #define UWtype  USItype
 208 #define HWtype  SItype
 209 #define UHWtype USItype
 210 #define DWtype  DItype
 211 #define UDWtype UDItype
 212 #ifdef LIBGCC2_GNU_PREFIX
 213 #define __NW(a,b)       __gnu_ ## a ## si ## b
 214 #define __NDW(a,b)      __gnu_ ## a ## di ## b
 215 #else
 216 #define __NW(a,b)       __ ## a ## si ## b
 217 #define __NDW(a,b)      __ ## a ## di ## b
 218 #endif
 219 #elif LIBGCC2_UNITS_PER_WORD == 2
 220 #define W_TYPE_SIZE (2 * BITS_PER_UNIT)
 221 #define Wtype   HItype
 222 #define UWtype  UHItype
 223 #define HWtype  HItype
 224 #define UHWtype UHItype
 225 #define DWtype  SItype
 226 #define UDWtype USItype
 227 #ifdef LIBGCC2_GNU_PREFIX
 228 #define __NW(a,b)       __gnu_ ## a ## hi ## b
 229 #define __NDW(a,b)      __gnu_ ## a ## si ## b
 230 #else
 231 #define __NW(a,b)       __ ## a ## hi ## b
 232 #define __NDW(a,b)      __ ## a ## si ## b
 233 #endif
 234 #else
 235 #define W_TYPE_SIZE BITS_PER_UNIT
 236 #define Wtype   QItype
 237 #define UWtype  UQItype
 238 #define HWtype  QItype
 239 #define UHWtype UQItype
 240 #define DWtype  HItype
 241 #define UDWtype UHItype
 242 #ifdef LIBGCC2_GNU_PREFIX
 243 #define __NW(a,b)       __gnu_ ## a ## qi ## b
 244 #define __NDW(a,b)      __gnu_ ## a ## hi ## b
 245 #else
 246 #define __NW(a,b)       __ ## a ## qi ## b
 247 #define __NDW(a,b)      __ ## a ## hi ## b
 248 #endif
 249 #endif
 250
 251 #ifdef LIBGCC2_GNU_PREFIX
 252 #define __N(a)  __gnu_ ## a
 253 #else
 254 #define __N(a)  __ ## a
 255 #endif
 256 #define Wtype_MAX ((Wtype)(((UWtype)1 << (W_TYPE_SIZE - 1)) - 1))
 257 #define Wtype_MIN (- Wtype_MAX - 1)
 258
 259 #if W_TYPE_SIZE == 8
 260 # define Wtype_MAXp1_F  0x1p8f
 261 #elif W_TYPE_SIZE == 16
 262 # define Wtype_MAXp1_F  0x1p16f
 263 #elif W_TYPE_SIZE == 32
 264 # define Wtype_MAXp1_F  0x1p32f
 265 #elif W_TYPE_SIZE == 64
 266 # define Wtype_MAXp1_F  0x1p64f
 267 #else
 268 # error "expand the table"
 269 #endif
 270
 271 #define __muldi3        __NDW(mul,3)
 272 #define __divdi3        __NDW(div,3)
 273 #define __udivdi3       __NDW(udiv,3)
 274 #define __moddi3        __NDW(mod,3)
 275 #define __umoddi3       __NDW(umod,3)
 276 #define __negdi2        __NDW(neg,2)
 277 #define __lshrdi3       __NDW(lshr,3)
 278 #define __ashldi3       __NDW(ashl,3)
 279 #define __ashrdi3       __NDW(ashr,3)
 280 #define __cmpdi2        __NDW(cmp,2)
 281 #define __ucmpdi2       __NDW(ucmp,2)
 282 #define __udivmoddi4    __NDW(udivmod,4)
 283 #define __fixunstfDI    __NDW(fixunstf,)
 284 #define __fixtfdi       __NDW(fixtf,)
 285 #define __fixunsxfDI    __NDW(fixunsxf,)
 286 #define __fixxfdi       __NDW(fixxf,)
 287 #define __fixunsdfDI    __NDW(fixunsdf,)
 288 #define __fixdfdi       __NDW(fixdf,)
 289 #define __fixunssfDI    __NDW(fixunssf,)
 290 #define __fixsfdi       __NDW(fixsf,)
 291 #define __floatdixf     __NDW(float,xf)
 292 #define __floatditf     __NDW(float,tf)
 293 #define __floatdidf     __NDW(float,df)
 294 #define __floatdisf     __NDW(float,sf)
 295 #define __floatundixf   __NDW(floatun,xf)
 296 #define __floatunditf   __NDW(floatun,tf)
 297 #define __floatundidf   __NDW(floatun,df)
 298 #define __floatundisf   __NDW(floatun,sf)
 299 #define __fixunsxfSI    __NW(fixunsxf,)
 300 #define __fixunstfSI    __NW(fixunstf,)
 301 #define __fixunsdfSI    __NW(fixunsdf,)
 302 #define __fixunssfSI    __NW(fixunssf,)
 303
 304 #define __absvSI2       __NW(absv,2)
 305 #define __addvSI3       __NW(addv,3)
 306 #define __subvSI3       __NW(subv,3)
 307 #define __mulvSI3       __NW(mulv,3)
 308 #define __negvSI2       __NW(negv,2)
 309 #define __absvDI2       __NDW(absv,2)
 310 #define __addvDI3       __NDW(addv,3)
 311 #define __subvDI3       __NDW(subv,3)
 312 #define __mulvDI3       __NDW(mulv,3)
 313 #define __negvDI2       __NDW(negv,2)
 314
 315 #define __ffsSI2        __NW(ffs,2)
 316 #define __clzSI2        __NW(clz,2)
 317 #define __ctzSI2        __NW(ctz,2)
 318 #define __clrsbSI2      __NW(clrsb,2)
 319 #define __popcountSI2   __NW(popcount,2)
 320 #define __paritySI2     __NW(parity,2)
 321 #define __ffsDI2        __NDW(ffs,2)
 322 #define __clzDI2        __NDW(clz,2)
 323 #define __ctzDI2        __NDW(ctz,2)
 324 #define __clrsbDI2      __NDW(clrsb,2)
 325 #define __popcountDI2   __NDW(popcount,2)
 326 #define __parityDI2     __NDW(parity,2)
 327
 328 #define __clz_tab               __N(clz_tab)
 329 #define __bswapsi2              __N(bswapsi2)
 330 #define __bswapdi2              __N(bswapdi2)
 331 #define __udiv_w_sdiv           __N(udiv_w_sdiv)
 332 #define __clear_cache           __N(clear_cache)
 333 #define __enable_execute_stack  __N(enable_execute_stack)
 334
 335 #ifndef __powisf2
 336 #define __powisf2               __N(powisf2)
 337 #endif
 338 #ifndef __powidf2
 339 #define __powidf2               __N(powidf2)
 340 #endif
 341 #ifndef __powitf2
 342 #define __powitf2               __N(powitf2)
 343 #endif
 344 #ifndef __powixf2
 345 #define __powixf2               __N(powixf2)
 346 #endif
 347 #ifndef __mulsc3
 348 #define __mulsc3                __N(mulsc3)
 349 #endif
 350 #ifndef __muldc3
 351 #define __muldc3                __N(muldc3)
 352 #endif
 353 #ifndef __mulxc3
 354 #define __mulxc3                __N(mulxc3)
 355 #endif
 356 #ifndef __multc3
 357 #define __multc3                __N(multc3)
 358 #endif
 359 #ifndef __divsc3
 360 #define __divsc3                __N(divsc3)
 361 #endif
 362 #ifndef __divdc3
 363 #define __divdc3                __N(divdc3)
 364 #endif
 365 #ifndef __divxc3
 366 #define __divxc3                __N(divxc3)
 367 #endif
 368 #ifndef __divtc3
 369 #define __divtc3                __N(divtc3)
 370 #endif
 371
 372 extern DWtype __muldi3 (DWtype, DWtype);
 373 extern DWtype __divdi3 (DWtype, DWtype);
 374 extern UDWtype __udivdi3 (UDWtype, UDWtype);
 375 extern UDWtype __umoddi3 (UDWtype, UDWtype);
 376 extern DWtype __moddi3 (DWtype, DWtype);
 377
 378 /* __udivmoddi4 is static inline when building other libgcc2 portions.  */
 379 #if (!defined (L_udivdi3) && !defined (L_divdi3) && \
 380      !defined (L_umoddi3) && !defined (L_moddi3))
 381 extern UDWtype __udivmoddi4 (UDWtype, UDWtype, UDWtype *);
 382 #endif
 383
 384 /* __negdi2 is static inline when building other libgcc2 portions.  */
 385 #if !defined(L_divdi3) && !defined(L_moddi3)
 386 extern DWtype __negdi2 (DWtype);
 387 #endif
 388
 389 extern DWtype __lshrdi3 (DWtype, shift_count_type);
 390 extern DWtype __ashldi3 (DWtype, shift_count_type);
 391 extern DWtype __ashrdi3 (DWtype, shift_count_type);
 392
 393 /* __udiv_w_sdiv is static inline when building other libgcc2 portions.  */
 394 #if (!defined(L_udivdi3) && !defined(L_divdi3) && \
 395      !defined(L_umoddi3) && !defined(L_moddi3))
 396 extern UWtype __udiv_w_sdiv (UWtype *, UWtype, UWtype, UWtype);
 397 #endif
 398
 399 extern cmp_return_type __cmpdi2 (DWtype, DWtype);
 400 extern cmp_return_type __ucmpdi2 (DWtype, DWtype);
 401
 402 #if MIN_UNITS_PER_WORD > 1
 403 extern SItype __bswapsi2 (SItype);
 404 #endif
 405 #if __SIZEOF_LONG_LONG__ > 4
 406 extern DItype __bswapdi2 (DItype);
 407 #endif
 408
 409 extern Wtype __absvSI2 (Wtype);
 410 extern Wtype __addvSI3 (Wtype, Wtype);
 411 extern Wtype __subvSI3 (Wtype, Wtype);
 412 extern Wtype __mulvSI3 (Wtype, Wtype);
 413 extern Wtype __negvSI2 (Wtype);
 414 extern DWtype __absvDI2 (DWtype);
 415 extern DWtype __addvDI3 (DWtype, DWtype);
 416 extern DWtype __subvDI3 (DWtype, DWtype);
 417 extern DWtype __mulvDI3 (DWtype, DWtype);
 418 extern DWtype __negvDI2 (DWtype);
 419
 420 #ifdef COMPAT_SIMODE_TRAPPING_ARITHMETIC
 421 #define __absvsi2       __N(absvsi2)
 422 #define __negvsi2       __N(negvsi2)
 423 #define __addvsi3       __N(addvsi3)
 424 #define __subvsi3       __N(subvsi3)
 425 #define __mulvsi3       __N(mulvsi3)
 426
 427 extern SItype __absvsi2 (SItype);
 428 extern SItype __addvsi3 (SItype, SItype);
 429 extern SItype __subvsi3 (SItype, SItype);
 430 extern SItype __mulvsi3 (SItype, SItype);
 431 extern SItype __negvsi2 (SItype);
 432 #endif /* COMPAT_SIMODE_TRAPPING_ARITHMETIC */
 433
 434 #undef int
 435 #if LIBGCC2_HAS_SF_MODE
 436 extern DWtype __fixsfdi (SFtype);
 437 extern SFtype __floatdisf (DWtype);
 438 extern SFtype __floatundisf (UDWtype);
 439 extern UWtype __fixunssfSI (SFtype);
 440 extern UDWtype __fixunssfDI (SFtype);
 441 extern SFtype __powisf2 (SFtype, int);
 442 extern SCtype __divsc3 (SFtype, SFtype, SFtype, SFtype);
 443 extern SCtype __mulsc3 (SFtype, SFtype, SFtype, SFtype);
 444 #endif
 445 #if LIBGCC2_HAS_DF_MODE
 446 extern DWtype __fixdfdi (DFtype);
 447 extern DFtype __floatdidf (DWtype);
 448 extern DFtype __floatundidf (UDWtype);
 449 extern UWtype __fixunsdfSI (DFtype);
 450 extern UDWtype __fixunsdfDI (DFtype);
 451 extern DFtype __powidf2 (DFtype, int);
 452 extern DCtype __divdc3 (DFtype, DFtype, DFtype, DFtype);
 453 extern DCtype __muldc3 (DFtype, DFtype, DFtype, DFtype);
 454 #endif
 455
 456 #if LIBGCC2_HAS_XF_MODE
 457 extern DWtype __fixxfdi (XFtype);
 458 extern UDWtype __fixunsxfDI (XFtype);
 459 extern XFtype __floatdixf (DWtype);
 460 extern XFtype __floatundixf (UDWtype);
 461 extern UWtype __fixunsxfSI (XFtype);
 462 extern XFtype __powixf2 (XFtype, int);
 463 extern XCtype __divxc3 (XFtype, XFtype, XFtype, XFtype);
 464 extern XCtype __mulxc3 (XFtype, XFtype, XFtype, XFtype);
 465 #endif
 466
 467 #if LIBGCC2_HAS_TF_MODE
 468 extern UDWtype __fixunstfDI (TFtype);
 469 extern DWtype __fixtfdi (TFtype);
 470 extern TFtype __floatditf (DWtype);
 471 extern TFtype __floatunditf (UDWtype);
 472 extern TFtype __powitf2 (TFtype, int);
 473 extern TCtype __divtc3 (TFtype, TFtype, TFtype, TFtype);
 474 extern TCtype __multc3 (TFtype, TFtype, TFtype, TFtype);
 475 #endif
 476 #define int bogus_type
 477
 478 /* DWstructs are pairs of Wtype values in the order determined by
 479    __BYTE_ORDER__.  */
 480
 481 #if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
 482   struct DWstruct {Wtype high, low;};
 483 #else
 484   struct DWstruct {Wtype low, high;};
 485 #endif
 486
 487 /* We need this union to unpack/pack DImode values, since we don't have
 488    any arithmetic yet.  Incoming DImode parameters are stored into the
 489    `ll' field, and the unpacked result is read from the struct `s'.  */
 490
 491 typedef union
 492 {
 493   struct DWstruct s;
 494   DWtype ll;
 495 } DWunion;
 496
 497 /* Defined for L_popcount_tab.  Exported here because some targets may
 498    want to use it for their own versions of the __popcount builtins.  */
 499 extern const UQItype __popcount_tab[256];
 500
 501 /* Defined for L_clz.  Exported here because some targets may want to use
 502    it for their own versions of the __clz builtins.  It contains the bit
 503    position of the first set bit for the numbers 0 - 255.  This avoids the
 504    need for a separate table for the __ctz builtins.  */
 505 extern const UQItype __clz_tab[256];
 506
 507 #include "longlong.h"
 508
 509 #undef int
 510 extern int __clzDI2 (UDWtype);
 511 extern int __clzSI2 (UWtype);
 512 extern int __ctzSI2 (UWtype);
 513 extern int __ctzDI2 (UDWtype);
 514 extern int __clrsbSI2 (Wtype);
 515 extern int __clrsbDI2 (DWtype);
 516 extern int __ffsSI2 (UWtype);
 517 extern int __ffsDI2 (DWtype);
 518 extern int __popcountSI2 (UWtype);
 519 extern int __popcountDI2 (UDWtype);
 520 extern int __paritySI2 (UWtype);
 521 extern int __parityDI2 (UDWtype);
 522 #define int bogus_type
 523
 524 extern void __enable_execute_stack (void *);
 525
 526 #ifndef HIDE_EXPORTS
 527 #pragma GCC visibility pop
 528 #endif
 529
 530 #endif /* ! GCC_LIBGCC2_H */