Mercurial > hg > CbC > CbC_gcc
annotate gcc/machmode.h @ 118:fd00160c1b76
ifdef TARGET_64BIT
| author | mir3636 |
|---|---|
| date | Tue, 27 Feb 2018 15:01:35 +0900 |
| parents | 04ced10e8804 |
| children | 84e7813d76e9 |
| rev | line source |
|---|---|
| 0 | 1 /* Machine mode definitions for GCC; included by rtl.h and tree.h. |
| 111 | 2 Copyright (C) 1991-2017 Free Software Foundation, Inc. |
| 0 | 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 3, or (at your option) any later | |
| 9 version. | |
| 10 | |
| 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with GCC; see the file COPYING3. If not see | |
| 18 <http://www.gnu.org/licenses/>. */ | |
| 19 | |
| 20 #ifndef HAVE_MACHINE_MODES | |
| 21 #define HAVE_MACHINE_MODES | |
| 22 | |
| 111 | 23 typedef opt_mode<machine_mode> opt_machine_mode; |
| 24 | |
| 25 extern CONST_MODE_SIZE unsigned short mode_size[NUM_MACHINE_MODES]; | |
| 26 extern const unsigned short mode_precision[NUM_MACHINE_MODES]; | |
| 27 extern const unsigned char mode_inner[NUM_MACHINE_MODES]; | |
| 28 extern const unsigned char mode_nunits[NUM_MACHINE_MODES]; | |
| 29 extern CONST_MODE_UNIT_SIZE unsigned char mode_unit_size[NUM_MACHINE_MODES]; | |
| 30 extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES]; | |
| 31 extern const unsigned char mode_wider[NUM_MACHINE_MODES]; | |
| 32 extern const unsigned char mode_2xwider[NUM_MACHINE_MODES]; | |
| 33 | |
| 34 template<typename T> | |
| 35 struct mode_traits | |
| 36 { | |
| 37 /* For use by the machmode support code only. | |
| 38 | |
| 39 There are cases in which the machmode support code needs to forcibly | |
| 40 convert a machine_mode to a specific mode class T, and in which the | |
| 41 context guarantees that this is valid without the need for an assert. | |
| 42 This can be done using: | |
| 43 | |
| 44 return typename mode_traits<T>::from_int (mode); | |
| 45 | |
| 46 when returning a T and: | |
| 47 | |
| 48 res = T (typename mode_traits<T>::from_int (mode)); | |
| 49 | |
| 50 when assigning to a value RES that must be assignment-compatible | |
| 51 with (but possibly not the same as) T. */ | |
| 52 #ifdef USE_ENUM_MODES | |
| 53 /* Allow direct conversion of enums to specific mode classes only | |
| 54 when USE_ENUM_MODES is defined. This is only intended for use | |
| 55 by gencondmd, so that it can tell more easily when .md conditions | |
| 56 are always false. */ | |
| 57 typedef machine_mode from_int; | |
| 58 #else | |
| 59 /* Here we use an enum type distinct from machine_mode but with the | |
| 60 same range as machine_mode. T should have a constructor that | |
| 61 accepts this enum type; it should not have a constructor that | |
| 62 accepts machine_mode. | |
| 63 | |
| 64 We use this somewhat indirect approach to avoid too many constructor | |
| 65 calls when the compiler is built with -O0. For example, even in | |
| 66 unoptimized code, the return statement above would construct the | |
| 67 returned T directly from the numerical value of MODE. */ | |
| 68 enum from_int { dummy = MAX_MACHINE_MODE }; | |
| 69 #endif | |
| 70 }; | |
| 71 | |
| 72 template<> | |
| 73 struct mode_traits<machine_mode> | |
| 74 { | |
| 75 /* machine_mode itself needs no conversion. */ | |
| 76 typedef machine_mode from_int; | |
| 77 }; | |
| 0 | 78 |
| 79 /* Get the name of mode MODE as a string. */ | |
| 80 | |
| 81 extern const char * const mode_name[NUM_MACHINE_MODES]; | |
| 82 #define GET_MODE_NAME(MODE) mode_name[MODE] | |
| 83 | |
| 84 /* Mode classes. */ | |
| 85 | |
| 86 #include "mode-classes.def" | |
| 87 #define DEF_MODE_CLASS(M) M | |
| 88 enum mode_class { MODE_CLASSES, MAX_MODE_CLASS }; | |
| 89 #undef DEF_MODE_CLASS | |
| 90 #undef MODE_CLASSES | |
| 91 | |
| 92 /* Get the general kind of object that mode MODE represents | |
| 93 (integer, floating, complex, etc.) */ | |
| 94 | |
| 95 extern const unsigned char mode_class[NUM_MACHINE_MODES]; | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
96 #define GET_MODE_CLASS(MODE) ((enum mode_class) mode_class[MODE]) |
| 0 | 97 |
| 98 /* Nonzero if MODE is an integral mode. */ | |
| 99 #define INTEGRAL_MODE_P(MODE) \ | |
| 100 (GET_MODE_CLASS (MODE) == MODE_INT \ | |
| 101 || GET_MODE_CLASS (MODE) == MODE_PARTIAL_INT \ | |
| 102 || GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT \ | |
| 103 || GET_MODE_CLASS (MODE) == MODE_VECTOR_INT) | |
| 104 | |
| 105 /* Nonzero if MODE is a floating-point mode. */ | |
| 106 #define FLOAT_MODE_P(MODE) \ | |
| 107 (GET_MODE_CLASS (MODE) == MODE_FLOAT \ | |
| 108 || GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT \ | |
| 109 || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT \ | |
| 110 || GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT) | |
| 111 | |
| 112 /* Nonzero if MODE is a complex mode. */ | |
| 113 #define COMPLEX_MODE_P(MODE) \ | |
| 114 (GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT \ | |
| 115 || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT) | |
| 116 | |
| 117 /* Nonzero if MODE is a vector mode. */ | |
| 118 #define VECTOR_MODE_P(MODE) \ | |
| 119 (GET_MODE_CLASS (MODE) == MODE_VECTOR_INT \ | |
| 120 || GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT \ | |
| 121 || GET_MODE_CLASS (MODE) == MODE_VECTOR_FRACT \ | |
| 122 || GET_MODE_CLASS (MODE) == MODE_VECTOR_UFRACT \ | |
| 123 || GET_MODE_CLASS (MODE) == MODE_VECTOR_ACCUM \ | |
| 124 || GET_MODE_CLASS (MODE) == MODE_VECTOR_UACCUM) | |
| 125 | |
| 126 /* Nonzero if MODE is a scalar integral mode. */ | |
| 127 #define SCALAR_INT_MODE_P(MODE) \ | |
| 128 (GET_MODE_CLASS (MODE) == MODE_INT \ | |
| 129 || GET_MODE_CLASS (MODE) == MODE_PARTIAL_INT) | |
| 130 | |
| 131 /* Nonzero if MODE is a scalar floating point mode. */ | |
| 132 #define SCALAR_FLOAT_MODE_P(MODE) \ | |
| 133 (GET_MODE_CLASS (MODE) == MODE_FLOAT \ | |
| 134 || GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT) | |
| 135 | |
| 136 /* Nonzero if MODE is a decimal floating point mode. */ | |
| 137 #define DECIMAL_FLOAT_MODE_P(MODE) \ | |
| 138 (GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT) | |
| 139 | |
| 140 /* Nonzero if MODE is a scalar fract mode. */ | |
| 141 #define SCALAR_FRACT_MODE_P(MODE) \ | |
| 142 (GET_MODE_CLASS (MODE) == MODE_FRACT) | |
| 143 | |
| 144 /* Nonzero if MODE is a scalar ufract mode. */ | |
| 145 #define SCALAR_UFRACT_MODE_P(MODE) \ | |
| 146 (GET_MODE_CLASS (MODE) == MODE_UFRACT) | |
| 147 | |
| 148 /* Nonzero if MODE is a scalar fract or ufract mode. */ | |
| 149 #define ALL_SCALAR_FRACT_MODE_P(MODE) \ | |
| 150 (SCALAR_FRACT_MODE_P (MODE) || SCALAR_UFRACT_MODE_P (MODE)) | |
| 151 | |
| 152 /* Nonzero if MODE is a scalar accum mode. */ | |
| 153 #define SCALAR_ACCUM_MODE_P(MODE) \ | |
| 154 (GET_MODE_CLASS (MODE) == MODE_ACCUM) | |
| 155 | |
| 156 /* Nonzero if MODE is a scalar uaccum mode. */ | |
| 157 #define SCALAR_UACCUM_MODE_P(MODE) \ | |
| 158 (GET_MODE_CLASS (MODE) == MODE_UACCUM) | |
| 159 | |
| 160 /* Nonzero if MODE is a scalar accum or uaccum mode. */ | |
| 161 #define ALL_SCALAR_ACCUM_MODE_P(MODE) \ | |
| 162 (SCALAR_ACCUM_MODE_P (MODE) || SCALAR_UACCUM_MODE_P (MODE)) | |
| 163 | |
| 164 /* Nonzero if MODE is a scalar fract or accum mode. */ | |
| 165 #define SIGNED_SCALAR_FIXED_POINT_MODE_P(MODE) \ | |
| 166 (SCALAR_FRACT_MODE_P (MODE) || SCALAR_ACCUM_MODE_P (MODE)) | |
| 167 | |
| 168 /* Nonzero if MODE is a scalar ufract or uaccum mode. */ | |
| 169 #define UNSIGNED_SCALAR_FIXED_POINT_MODE_P(MODE) \ | |
| 170 (SCALAR_UFRACT_MODE_P (MODE) || SCALAR_UACCUM_MODE_P (MODE)) | |
| 171 | |
| 172 /* Nonzero if MODE is a scalar fract, ufract, accum or uaccum mode. */ | |
| 173 #define ALL_SCALAR_FIXED_POINT_MODE_P(MODE) \ | |
| 174 (SIGNED_SCALAR_FIXED_POINT_MODE_P (MODE) \ | |
| 175 || UNSIGNED_SCALAR_FIXED_POINT_MODE_P (MODE)) | |
| 176 | |
| 177 /* Nonzero if MODE is a scalar/vector fract mode. */ | |
| 178 #define FRACT_MODE_P(MODE) \ | |
| 179 (GET_MODE_CLASS (MODE) == MODE_FRACT \ | |
| 180 || GET_MODE_CLASS (MODE) == MODE_VECTOR_FRACT) | |
| 181 | |
| 182 /* Nonzero if MODE is a scalar/vector ufract mode. */ | |
| 183 #define UFRACT_MODE_P(MODE) \ | |
| 184 (GET_MODE_CLASS (MODE) == MODE_UFRACT \ | |
| 185 || GET_MODE_CLASS (MODE) == MODE_VECTOR_UFRACT) | |
| 186 | |
| 187 /* Nonzero if MODE is a scalar/vector fract or ufract mode. */ | |
| 188 #define ALL_FRACT_MODE_P(MODE) \ | |
| 189 (FRACT_MODE_P (MODE) || UFRACT_MODE_P (MODE)) | |
| 190 | |
| 191 /* Nonzero if MODE is a scalar/vector accum mode. */ | |
| 192 #define ACCUM_MODE_P(MODE) \ | |
| 193 (GET_MODE_CLASS (MODE) == MODE_ACCUM \ | |
| 194 || GET_MODE_CLASS (MODE) == MODE_VECTOR_ACCUM) | |
| 195 | |
| 196 /* Nonzero if MODE is a scalar/vector uaccum mode. */ | |
| 197 #define UACCUM_MODE_P(MODE) \ | |
| 198 (GET_MODE_CLASS (MODE) == MODE_UACCUM \ | |
| 199 || GET_MODE_CLASS (MODE) == MODE_VECTOR_UACCUM) | |
| 200 | |
| 201 /* Nonzero if MODE is a scalar/vector accum or uaccum mode. */ | |
| 202 #define ALL_ACCUM_MODE_P(MODE) \ | |
| 203 (ACCUM_MODE_P (MODE) || UACCUM_MODE_P (MODE)) | |
| 204 | |
| 205 /* Nonzero if MODE is a scalar/vector fract or accum mode. */ | |
| 206 #define SIGNED_FIXED_POINT_MODE_P(MODE) \ | |
| 207 (FRACT_MODE_P (MODE) || ACCUM_MODE_P (MODE)) | |
| 208 | |
| 209 /* Nonzero if MODE is a scalar/vector ufract or uaccum mode. */ | |
| 210 #define UNSIGNED_FIXED_POINT_MODE_P(MODE) \ | |
| 211 (UFRACT_MODE_P (MODE) || UACCUM_MODE_P (MODE)) | |
| 212 | |
| 213 /* Nonzero if MODE is a scalar/vector fract, ufract, accum or uaccum mode. */ | |
| 214 #define ALL_FIXED_POINT_MODE_P(MODE) \ | |
| 215 (SIGNED_FIXED_POINT_MODE_P (MODE) \ | |
| 216 || UNSIGNED_FIXED_POINT_MODE_P (MODE)) | |
| 217 | |
| 218 /* Nonzero if CLASS modes can be widened. */ | |
| 219 #define CLASS_HAS_WIDER_MODES_P(CLASS) \ | |
| 220 (CLASS == MODE_INT \ | |
| 111 | 221 || CLASS == MODE_PARTIAL_INT \ |
| 0 | 222 || CLASS == MODE_FLOAT \ |
| 223 || CLASS == MODE_DECIMAL_FLOAT \ | |
| 224 || CLASS == MODE_COMPLEX_FLOAT \ | |
| 225 || CLASS == MODE_FRACT \ | |
| 226 || CLASS == MODE_UFRACT \ | |
| 227 || CLASS == MODE_ACCUM \ | |
| 228 || CLASS == MODE_UACCUM) | |
| 229 | |
| 111 | 230 #define POINTER_BOUNDS_MODE_P(MODE) \ |
| 231 (GET_MODE_CLASS (MODE) == MODE_POINTER_BOUNDS) | |
| 232 | |
| 233 /* An optional T (i.e. a T or nothing), where T is some form of mode class. */ | |
| 234 template<typename T> | |
| 235 class opt_mode | |
| 236 { | |
| 237 public: | |
| 238 enum from_int { dummy = MAX_MACHINE_MODE }; | |
| 239 | |
| 240 ALWAYS_INLINE opt_mode () : m_mode (E_VOIDmode) {} | |
| 241 ALWAYS_INLINE opt_mode (const T &m) : m_mode (m) {} | |
| 242 template<typename U> | |
| 243 ALWAYS_INLINE opt_mode (const U &m) : m_mode (T (m)) {} | |
| 244 ALWAYS_INLINE opt_mode (from_int m) : m_mode (machine_mode (m)) {} | |
| 245 | |
| 246 machine_mode else_void () const; | |
| 247 machine_mode else_blk () const; | |
| 248 T require () const; | |
| 249 | |
| 250 bool exists () const; | |
| 251 template<typename U> bool exists (U *) const; | |
| 252 | |
| 253 private: | |
| 254 machine_mode m_mode; | |
| 255 }; | |
| 256 | |
| 257 /* If the object contains a T, return its enum value, otherwise return | |
| 258 E_VOIDmode. */ | |
| 259 | |
| 260 template<typename T> | |
| 261 ALWAYS_INLINE machine_mode | |
| 262 opt_mode<T>::else_void () const | |
| 263 { | |
| 264 return m_mode; | |
| 265 } | |
| 266 | |
| 267 /* If the T exists, return its enum value, otherwise return E_BLKmode. */ | |
| 268 | |
| 269 template<typename T> | |
| 270 inline machine_mode | |
| 271 opt_mode<T>::else_blk () const | |
| 272 { | |
| 273 return m_mode == E_VOIDmode ? E_BLKmode : m_mode; | |
| 274 } | |
| 275 | |
| 276 /* Assert that the object contains a T and return it. */ | |
| 277 | |
| 278 template<typename T> | |
| 279 inline T | |
| 280 opt_mode<T>::require () const | |
| 281 { | |
| 282 gcc_checking_assert (m_mode != E_VOIDmode); | |
| 283 return typename mode_traits<T>::from_int (m_mode); | |
| 284 } | |
| 285 | |
| 286 /* Return true if the object contains a T rather than nothing. */ | |
| 287 | |
| 288 template<typename T> | |
| 289 ALWAYS_INLINE bool | |
| 290 opt_mode<T>::exists () const | |
| 291 { | |
| 292 return m_mode != E_VOIDmode; | |
| 293 } | |
| 294 | |
| 295 /* Return true if the object contains a T, storing it in *MODE if so. */ | |
| 296 | |
| 297 template<typename T> | |
| 298 template<typename U> | |
| 299 inline bool | |
| 300 opt_mode<T>::exists (U *mode) const | |
| 301 { | |
| 302 if (m_mode != E_VOIDmode) | |
| 303 { | |
| 304 *mode = T (typename mode_traits<T>::from_int (m_mode)); | |
| 305 return true; | |
| 306 } | |
| 307 return false; | |
| 308 } | |
| 309 | |
| 310 /* A POD version of mode class T. */ | |
| 311 | |
| 312 template<typename T> | |
| 313 struct pod_mode | |
| 314 { | |
| 315 typedef typename mode_traits<T>::from_int from_int; | |
| 316 | |
| 317 machine_mode m_mode; | |
| 318 ALWAYS_INLINE operator machine_mode () const { return m_mode; } | |
| 319 ALWAYS_INLINE operator T () const { return from_int (m_mode); } | |
| 320 ALWAYS_INLINE pod_mode &operator = (const T &m) { m_mode = m; return *this; } | |
| 321 }; | |
| 322 | |
| 323 /* Return true if mode M has type T. */ | |
| 324 | |
| 325 template<typename T> | |
| 326 inline bool | |
| 327 is_a (machine_mode m) | |
| 328 { | |
| 329 return T::includes_p (m); | |
| 330 } | |
| 331 | |
| 332 template<typename T, typename U> | |
| 333 inline bool | |
| 334 is_a (const opt_mode<U> &m) | |
| 335 { | |
| 336 return T::includes_p (m.else_void ()); | |
| 337 } | |
| 338 | |
| 339 /* Assert that mode M has type T, and return it in that form. */ | |
| 340 | |
| 341 template<typename T> | |
| 342 inline T | |
| 343 as_a (machine_mode m) | |
| 344 { | |
| 345 gcc_checking_assert (T::includes_p (m)); | |
| 346 return typename mode_traits<T>::from_int (m); | |
| 347 } | |
| 348 | |
| 349 template<typename T, typename U> | |
| 350 inline T | |
| 351 as_a (const opt_mode<U> &m) | |
| 352 { | |
| 353 return as_a <T> (m.else_void ()); | |
| 354 } | |
| 355 | |
| 356 /* Convert M to an opt_mode<T>. */ | |
| 357 | |
| 358 template<typename T> | |
| 359 inline opt_mode<T> | |
| 360 dyn_cast (machine_mode m) | |
| 361 { | |
| 362 if (T::includes_p (m)) | |
| 363 return T (typename mode_traits<T>::from_int (m)); | |
| 364 return opt_mode<T> (); | |
| 365 } | |
| 366 | |
| 367 template<typename T, typename U> | |
| 368 inline opt_mode<T> | |
| 369 dyn_cast (const opt_mode<U> &m) | |
| 370 { | |
| 371 return dyn_cast <T> (m.else_void ()); | |
| 372 } | |
| 373 | |
| 374 /* Return true if mode M has type T, storing it as a T in *RESULT | |
| 375 if so. */ | |
| 376 | |
| 377 template<typename T, typename U> | |
| 378 inline bool | |
| 379 is_a (machine_mode m, U *result) | |
| 380 { | |
| 381 if (T::includes_p (m)) | |
| 382 { | |
| 383 *result = T (typename mode_traits<T>::from_int (m)); | |
| 384 return true; | |
| 385 } | |
| 386 return false; | |
| 387 } | |
| 388 | |
| 389 /* Represents a machine mode that is known to be a SCALAR_INT_MODE_P. */ | |
| 390 class scalar_int_mode | |
| 391 { | |
| 392 public: | |
| 393 typedef mode_traits<scalar_int_mode>::from_int from_int; | |
| 394 | |
| 395 ALWAYS_INLINE scalar_int_mode () {} | |
| 396 ALWAYS_INLINE scalar_int_mode (from_int m) : m_mode (machine_mode (m)) {} | |
| 397 ALWAYS_INLINE operator machine_mode () const { return m_mode; } | |
| 398 | |
| 399 static bool includes_p (machine_mode); | |
| 400 | |
| 401 protected: | |
| 402 machine_mode m_mode; | |
| 403 }; | |
| 404 | |
| 405 /* Return true if M is a scalar_int_mode. */ | |
| 0 | 406 |
| 111 | 407 inline bool |
| 408 scalar_int_mode::includes_p (machine_mode m) | |
| 409 { | |
| 410 return SCALAR_INT_MODE_P (m); | |
| 411 } | |
| 412 | |
| 413 /* Represents a machine mode that is known to be a SCALAR_FLOAT_MODE_P. */ | |
| 414 class scalar_float_mode | |
| 415 { | |
| 416 public: | |
| 417 typedef mode_traits<scalar_float_mode>::from_int from_int; | |
| 418 | |
| 419 ALWAYS_INLINE scalar_float_mode () {} | |
| 420 ALWAYS_INLINE scalar_float_mode (from_int m) : m_mode (machine_mode (m)) {} | |
| 421 ALWAYS_INLINE operator machine_mode () const { return m_mode; } | |
| 422 | |
| 423 static bool includes_p (machine_mode); | |
| 424 | |
| 425 protected: | |
| 426 machine_mode m_mode; | |
| 427 }; | |
| 428 | |
| 429 /* Return true if M is a scalar_float_mode. */ | |
| 430 | |
| 431 inline bool | |
| 432 scalar_float_mode::includes_p (machine_mode m) | |
| 433 { | |
| 434 return SCALAR_FLOAT_MODE_P (m); | |
| 435 } | |
| 436 | |
| 437 /* Represents a machine mode that is known to be scalar. */ | |
| 438 class scalar_mode | |
| 439 { | |
| 440 public: | |
| 441 typedef mode_traits<scalar_mode>::from_int from_int; | |
| 442 | |
| 443 ALWAYS_INLINE scalar_mode () {} | |
| 444 ALWAYS_INLINE scalar_mode (from_int m) : m_mode (machine_mode (m)) {} | |
| 445 ALWAYS_INLINE scalar_mode (const scalar_int_mode &m) : m_mode (m) {} | |
| 446 ALWAYS_INLINE scalar_mode (const scalar_float_mode &m) : m_mode (m) {} | |
| 447 ALWAYS_INLINE scalar_mode (const scalar_int_mode_pod &m) : m_mode (m) {} | |
| 448 ALWAYS_INLINE operator machine_mode () const { return m_mode; } | |
| 449 | |
| 450 static bool includes_p (machine_mode); | |
| 451 | |
| 452 protected: | |
| 453 machine_mode m_mode; | |
| 454 }; | |
| 455 | |
| 456 /* Return true if M represents some kind of scalar value. */ | |
| 457 | |
| 458 inline bool | |
| 459 scalar_mode::includes_p (machine_mode m) | |
| 460 { | |
| 461 switch (GET_MODE_CLASS (m)) | |
| 462 { | |
| 463 case MODE_INT: | |
| 464 case MODE_PARTIAL_INT: | |
| 465 case MODE_FRACT: | |
| 466 case MODE_UFRACT: | |
| 467 case MODE_ACCUM: | |
| 468 case MODE_UACCUM: | |
| 469 case MODE_FLOAT: | |
| 470 case MODE_DECIMAL_FLOAT: | |
| 471 case MODE_POINTER_BOUNDS: | |
| 472 return true; | |
| 473 default: | |
| 474 return false; | |
| 475 } | |
| 476 } | |
| 477 | |
| 478 /* Represents a machine mode that is known to be a COMPLEX_MODE_P. */ | |
| 479 class complex_mode | |
| 480 { | |
| 481 public: | |
| 482 typedef mode_traits<complex_mode>::from_int from_int; | |
| 483 | |
| 484 ALWAYS_INLINE complex_mode () {} | |
| 485 ALWAYS_INLINE complex_mode (from_int m) : m_mode (machine_mode (m)) {} | |
| 486 ALWAYS_INLINE operator machine_mode () const { return m_mode; } | |
| 487 | |
| 488 static bool includes_p (machine_mode); | |
| 489 | |
| 490 protected: | |
| 491 machine_mode m_mode; | |
| 492 }; | |
| 493 | |
| 494 /* Return true if M is a complex_mode. */ | |
| 495 | |
| 496 inline bool | |
| 497 complex_mode::includes_p (machine_mode m) | |
| 498 { | |
| 499 return COMPLEX_MODE_P (m); | |
| 500 } | |
| 501 | |
| 502 /* Return the base GET_MODE_SIZE value for MODE. */ | |
| 503 | |
| 504 ALWAYS_INLINE unsigned short | |
| 505 mode_to_bytes (machine_mode mode) | |
| 506 { | |
| 507 #if GCC_VERSION >= 4001 | |
| 508 return (__builtin_constant_p (mode) | |
| 509 ? mode_size_inline (mode) : mode_size[mode]); | |
| 510 #else | |
| 511 return mode_size[mode]; | |
| 512 #endif | |
| 513 } | |
| 514 | |
| 515 /* Return the base GET_MODE_BITSIZE value for MODE. */ | |
| 516 | |
| 517 ALWAYS_INLINE unsigned short | |
| 518 mode_to_bits (machine_mode mode) | |
| 519 { | |
| 520 return mode_to_bytes (mode) * BITS_PER_UNIT; | |
| 521 } | |
| 522 | |
| 523 /* Return the base GET_MODE_PRECISION value for MODE. */ | |
| 524 | |
| 525 ALWAYS_INLINE unsigned short | |
| 526 mode_to_precision (machine_mode mode) | |
| 527 { | |
| 528 return mode_precision[mode]; | |
| 529 } | |
| 530 | |
| 531 /* Return the base GET_MODE_INNER value for MODE. */ | |
| 532 | |
| 533 ALWAYS_INLINE scalar_mode | |
| 534 mode_to_inner (machine_mode mode) | |
| 535 { | |
| 536 #if GCC_VERSION >= 4001 | |
| 537 return scalar_mode::from_int (__builtin_constant_p (mode) | |
| 538 ? mode_inner_inline (mode) | |
| 539 : mode_inner[mode]); | |
| 540 #else | |
| 541 return scalar_mode::from_int (mode_inner[mode]); | |
| 542 #endif | |
| 543 } | |
| 544 | |
| 545 /* Return the base GET_MODE_UNIT_SIZE value for MODE. */ | |
| 546 | |
| 547 ALWAYS_INLINE unsigned char | |
| 548 mode_to_unit_size (machine_mode mode) | |
| 549 { | |
| 550 #if GCC_VERSION >= 4001 | |
| 551 return (__builtin_constant_p (mode) | |
| 552 ? mode_unit_size_inline (mode) : mode_unit_size[mode]); | |
| 553 #else | |
| 554 return mode_unit_size[mode]; | |
| 555 #endif | |
| 556 } | |
| 557 | |
| 558 /* Return the base GET_MODE_UNIT_PRECISION value for MODE. */ | |
| 559 | |
| 560 ALWAYS_INLINE unsigned short | |
| 561 mode_to_unit_precision (machine_mode mode) | |
| 562 { | |
| 563 #if GCC_VERSION >= 4001 | |
| 564 return (__builtin_constant_p (mode) | |
| 565 ? mode_unit_precision_inline (mode) : mode_unit_precision[mode]); | |
| 566 #else | |
| 567 return mode_unit_precision[mode]; | |
| 568 #endif | |
| 569 } | |
| 570 | |
| 571 /* Return the base GET_MODE_NUNITS value for MODE. */ | |
| 572 | |
| 573 ALWAYS_INLINE unsigned short | |
| 574 mode_to_nunits (machine_mode mode) | |
| 575 { | |
| 576 #if GCC_VERSION >= 4001 | |
| 577 return (__builtin_constant_p (mode) | |
| 578 ? mode_nunits_inline (mode) : mode_nunits[mode]); | |
| 579 #else | |
| 580 return mode_nunits[mode]; | |
| 581 #endif | |
| 582 } | |
| 583 | |
| 584 /* Get the size in bytes of an object of mode MODE. */ | |
| 585 | |
| 586 #define GET_MODE_SIZE(MODE) (mode_to_bytes (MODE)) | |
| 587 | |
| 588 /* Get the size in bits of an object of mode MODE. */ | |
| 589 | |
| 590 #define GET_MODE_BITSIZE(MODE) (mode_to_bits (MODE)) | |
| 0 | 591 |
| 592 /* Get the number of value bits of an object of mode MODE. */ | |
| 111 | 593 |
| 594 #define GET_MODE_PRECISION(MODE) (mode_to_precision (MODE)) | |
| 0 | 595 |
| 596 /* Get the number of integral bits of an object of mode MODE. */ | |
| 597 extern CONST_MODE_IBIT unsigned char mode_ibit[NUM_MACHINE_MODES]; | |
| 598 #define GET_MODE_IBIT(MODE) mode_ibit[MODE] | |
| 599 | |
| 600 /* Get the number of fractional bits of an object of mode MODE. */ | |
| 601 extern CONST_MODE_FBIT unsigned char mode_fbit[NUM_MACHINE_MODES]; | |
| 602 #define GET_MODE_FBIT(MODE) mode_fbit[MODE] | |
| 603 | |
| 604 /* Get a bitmask containing 1 for all bits in a word | |
| 605 that fit within mode MODE. */ | |
| 606 | |
| 607 extern const unsigned HOST_WIDE_INT mode_mask_array[NUM_MACHINE_MODES]; | |
| 608 | |
| 609 #define GET_MODE_MASK(MODE) mode_mask_array[MODE] | |
| 610 | |
| 111 | 611 /* Return the mode of the basic parts of MODE. For vector modes this is the |
| 612 mode of the vector elements. For complex modes it is the mode of the real | |
| 613 and imaginary parts. For other modes it is MODE itself. */ | |
| 0 | 614 |
| 111 | 615 #define GET_MODE_INNER(MODE) (mode_to_inner (MODE)) |
| 0 | 616 |
| 111 | 617 /* Get the size in bytes or bits of the basic parts of an |
| 618 object of mode MODE. */ | |
| 0 | 619 |
| 111 | 620 #define GET_MODE_UNIT_SIZE(MODE) mode_to_unit_size (MODE) |
| 621 | |
| 622 #define GET_MODE_UNIT_BITSIZE(MODE) \ | |
| 623 ((unsigned short) (GET_MODE_UNIT_SIZE (MODE) * BITS_PER_UNIT)) | |
| 0 | 624 |
| 111 | 625 #define GET_MODE_UNIT_PRECISION(MODE) (mode_to_unit_precision (MODE)) |
| 0 | 626 |
| 111 | 627 /* Get the number of units in an object of mode MODE. This is 2 for |
| 628 complex modes and the number of elements for vector modes. */ | |
| 629 | |
| 630 #define GET_MODE_NUNITS(MODE) (mode_to_nunits (MODE)) | |
| 0 | 631 |
| 632 /* Get the next wider natural mode (eg, QI -> HI -> SI -> DI -> TI). */ | |
| 633 | |
| 111 | 634 template<typename T> |
| 635 ALWAYS_INLINE opt_mode<T> | |
| 636 GET_MODE_WIDER_MODE (const T &m) | |
| 637 { | |
| 638 return typename opt_mode<T>::from_int (mode_wider[m]); | |
| 639 } | |
| 640 | |
| 641 /* For scalars, this is a mode with twice the precision. For vectors, | |
| 642 this is a mode with the same inner mode but with twice the elements. */ | |
| 0 | 643 |
| 111 | 644 template<typename T> |
| 645 ALWAYS_INLINE opt_mode<T> | |
| 646 GET_MODE_2XWIDER_MODE (const T &m) | |
| 647 { | |
| 648 return typename opt_mode<T>::from_int (mode_2xwider[m]); | |
| 649 } | |
| 650 | |
| 651 /* Get the complex mode from the component mode. */ | |
| 652 extern const unsigned char mode_complex[NUM_MACHINE_MODES]; | |
| 653 #define GET_MODE_COMPLEX_MODE(MODE) ((machine_mode) mode_complex[MODE]) | |
| 654 | |
| 655 extern opt_machine_mode mode_for_size (unsigned int, enum mode_class, int); | |
| 0 | 656 |
| 111 | 657 /* Return the machine mode to use for a MODE_INT of SIZE bits, if one |
| 658 exists. If LIMIT is nonzero, modes wider than MAX_FIXED_MODE_SIZE | |
| 659 will not be used. */ | |
| 660 | |
| 661 inline opt_scalar_int_mode | |
| 662 int_mode_for_size (unsigned int size, int limit) | |
| 663 { | |
| 664 return dyn_cast <scalar_int_mode> (mode_for_size (size, MODE_INT, limit)); | |
| 665 } | |
| 666 | |
| 667 /* Return the machine mode to use for a MODE_FLOAT of SIZE bits, if one | |
| 668 exists. */ | |
| 0 | 669 |
| 111 | 670 inline opt_scalar_float_mode |
| 671 float_mode_for_size (unsigned int size) | |
| 672 { | |
| 673 return dyn_cast <scalar_float_mode> (mode_for_size (size, MODE_FLOAT, 0)); | |
| 674 } | |
| 0 | 675 |
| 111 | 676 /* Likewise for MODE_DECIMAL_FLOAT. */ |
| 677 | |
| 678 inline opt_scalar_float_mode | |
| 679 decimal_float_mode_for_size (unsigned int size) | |
| 680 { | |
| 681 return dyn_cast <scalar_float_mode> | |
| 682 (mode_for_size (size, MODE_DECIMAL_FLOAT, 0)); | |
| 683 } | |
| 0 | 684 |
| 111 | 685 extern machine_mode smallest_mode_for_size (unsigned int, enum mode_class); |
| 686 | |
| 687 /* Find the narrowest integer mode that contains at least SIZE bits. | |
| 688 Such a mode must exist. */ | |
| 689 | |
| 690 inline scalar_int_mode | |
| 691 smallest_int_mode_for_size (unsigned int size) | |
| 692 { | |
| 693 return as_a <scalar_int_mode> (smallest_mode_for_size (size, MODE_INT)); | |
| 694 } | |
| 0 | 695 |
| 111 | 696 extern opt_scalar_int_mode int_mode_for_mode (machine_mode); |
| 697 extern opt_machine_mode bitwise_mode_for_mode (machine_mode); | |
| 698 extern opt_machine_mode mode_for_vector (scalar_mode, unsigned); | |
| 699 extern opt_machine_mode mode_for_int_vector (unsigned int, unsigned int); | |
| 0 | 700 |
| 111 | 701 /* Return the integer vector equivalent of MODE, if one exists. In other |
| 702 words, return the mode for an integer vector that has the same number | |
| 703 of bits as MODE and the same number of elements as MODE, with the | |
| 704 latter being 1 if MODE is scalar. The returned mode can be either | |
| 705 an integer mode or a vector mode. */ | |
| 0 | 706 |
| 111 | 707 inline opt_machine_mode |
| 708 mode_for_int_vector (machine_mode mode) | |
| 709 { | |
| 710 return mode_for_int_vector (GET_MODE_UNIT_BITSIZE (mode), | |
| 711 GET_MODE_NUNITS (mode)); | |
| 712 } | |
| 0 | 713 |
| 111 | 714 /* A class for iterating through possible bitfield modes. */ |
| 715 class bit_field_mode_iterator | |
| 716 { | |
| 717 public: | |
| 718 bit_field_mode_iterator (HOST_WIDE_INT, HOST_WIDE_INT, | |
| 719 HOST_WIDE_INT, HOST_WIDE_INT, | |
| 720 unsigned int, bool); | |
| 721 bool next_mode (scalar_int_mode *); | |
| 722 bool prefer_smaller_modes (); | |
|
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|
723 |
| 111 | 724 private: |
| 725 opt_scalar_int_mode m_mode; | |
| 726 /* We use signed values here because the bit position can be negative | |
| 727 for invalid input such as gcc.dg/pr48335-8.c. */ | |
| 728 HOST_WIDE_INT m_bitsize; | |
| 729 HOST_WIDE_INT m_bitpos; | |
| 730 HOST_WIDE_INT m_bitregion_start; | |
| 731 HOST_WIDE_INT m_bitregion_end; | |
| 732 unsigned int m_align; | |
| 733 bool m_volatilep; | |
| 734 int m_count; | |
| 735 }; | |
|
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changeset
|
736 |
| 0 | 737 /* Find the best mode to use to access a bit field. */ |
| 738 | |
| 111 | 739 extern bool get_best_mode (int, int, unsigned HOST_WIDE_INT, |
| 740 unsigned HOST_WIDE_INT, unsigned int, | |
| 741 unsigned HOST_WIDE_INT, bool, scalar_int_mode *); | |
| 0 | 742 |
| 743 /* Determine alignment, 1<=result<=BIGGEST_ALIGNMENT. */ | |
| 744 | |
| 111 | 745 extern CONST_MODE_BASE_ALIGN unsigned short mode_base_align[NUM_MACHINE_MODES]; |
| 0 | 746 |
| 111 | 747 extern unsigned get_mode_alignment (machine_mode); |
| 0 | 748 |
| 749 #define GET_MODE_ALIGNMENT(MODE) get_mode_alignment (MODE) | |
| 750 | |
| 751 /* For each class, get the narrowest mode in that class. */ | |
| 752 | |
| 753 extern const unsigned char class_narrowest_mode[MAX_MODE_CLASS]; | |
|
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|
754 #define GET_CLASS_NARROWEST_MODE(CLASS) \ |
| 111 | 755 ((machine_mode) class_narrowest_mode[CLASS]) |
| 756 | |
| 757 /* The narrowest full integer mode available on the target. */ | |
| 758 | |
| 759 #define NARROWEST_INT_MODE \ | |
| 760 (scalar_int_mode \ | |
| 761 (scalar_int_mode::from_int (class_narrowest_mode[MODE_INT]))) | |
| 762 | |
| 763 /* Return the narrowest mode in T's class. */ | |
| 764 | |
| 765 template<typename T> | |
| 766 inline T | |
| 767 get_narrowest_mode (T mode) | |
| 768 { | |
| 769 return typename mode_traits<T>::from_int | |
| 770 (class_narrowest_mode[GET_MODE_CLASS (mode)]); | |
| 771 } | |
| 0 | 772 |
| 773 /* Define the integer modes whose sizes are BITS_PER_UNIT and BITS_PER_WORD | |
| 774 and the mode whose class is Pmode and whose size is POINTER_SIZE. */ | |
| 775 | |
| 111 | 776 extern scalar_int_mode byte_mode; |
| 777 extern scalar_int_mode word_mode; | |
| 778 extern scalar_int_mode ptr_mode; | |
| 0 | 779 |
| 780 /* Target-dependent machine mode initialization - in insn-modes.c. */ | |
| 781 extern void init_adjust_machine_modes (void); | |
| 782 | |
| 111 | 783 #define TRULY_NOOP_TRUNCATION_MODES_P(MODE1, MODE2) \ |
| 784 (targetm.truly_noop_truncation (GET_MODE_PRECISION (MODE1), \ | |
| 785 GET_MODE_PRECISION (MODE2))) | |
| 786 | |
| 787 #define HWI_COMPUTABLE_MODE_P(MODE) \ | |
| 788 (SCALAR_INT_MODE_P (MODE) \ | |
| 789 && GET_MODE_PRECISION (MODE) <= HOST_BITS_PER_WIDE_INT) | |
| 790 | |
| 791 struct int_n_data_t { | |
| 792 /* These parts are initailized by genmodes output */ | |
| 793 unsigned int bitsize; | |
| 794 scalar_int_mode_pod m; | |
| 795 /* RID_* is RID_INTN_BASE + index into this array */ | |
| 796 }; | |
| 797 | |
| 798 /* This is also in tree.h. genmodes.c guarantees the're sorted from | |
| 799 smallest bitsize to largest bitsize. */ | |
| 800 extern bool int_n_enabled_p[NUM_INT_N_ENTS]; | |
| 801 extern const int_n_data_t int_n_data[NUM_INT_N_ENTS]; | |
| 802 | |
| 803 /* Return true if MODE has class MODE_INT, storing it as a scalar_int_mode | |
| 804 in *INT_MODE if so. */ | |
| 805 | |
| 806 template<typename T> | |
| 807 inline bool | |
| 808 is_int_mode (machine_mode mode, T *int_mode) | |
| 809 { | |
| 810 if (GET_MODE_CLASS (mode) == MODE_INT) | |
| 811 { | |
| 812 *int_mode = scalar_int_mode (scalar_int_mode::from_int (mode)); | |
| 813 return true; | |
| 814 } | |
| 815 return false; | |
| 816 } | |
| 817 | |
| 818 /* Return true if MODE has class MODE_FLOAT, storing it as a | |
| 819 scalar_float_mode in *FLOAT_MODE if so. */ | |
| 820 | |
| 821 template<typename T> | |
| 822 inline bool | |
| 823 is_float_mode (machine_mode mode, T *float_mode) | |
| 824 { | |
| 825 if (GET_MODE_CLASS (mode) == MODE_FLOAT) | |
| 826 { | |
| 827 *float_mode = scalar_float_mode (scalar_float_mode::from_int (mode)); | |
| 828 return true; | |
| 829 } | |
| 830 return false; | |
| 831 } | |
| 832 | |
| 833 /* Return true if MODE has class MODE_COMPLEX_INT, storing it as | |
| 834 a complex_mode in *CMODE if so. */ | |
| 835 | |
| 836 template<typename T> | |
| 837 inline bool | |
| 838 is_complex_int_mode (machine_mode mode, T *cmode) | |
| 839 { | |
| 840 if (GET_MODE_CLASS (mode) == MODE_COMPLEX_INT) | |
| 841 { | |
| 842 *cmode = complex_mode (complex_mode::from_int (mode)); | |
| 843 return true; | |
| 844 } | |
| 845 return false; | |
| 846 } | |
| 847 | |
| 848 /* Return true if MODE has class MODE_COMPLEX_FLOAT, storing it as | |
| 849 a complex_mode in *CMODE if so. */ | |
| 850 | |
| 851 template<typename T> | |
| 852 inline bool | |
| 853 is_complex_float_mode (machine_mode mode, T *cmode) | |
| 854 { | |
| 855 if (GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT) | |
| 856 { | |
| 857 *cmode = complex_mode (complex_mode::from_int (mode)); | |
| 858 return true; | |
| 859 } | |
| 860 return false; | |
| 861 } | |
| 862 | |
| 863 namespace mode_iterator | |
| 864 { | |
| 865 /* Start mode iterator *ITER at the first mode in class MCLASS, if any. */ | |
| 866 | |
| 867 template<typename T> | |
| 868 inline void | |
| 869 start (opt_mode<T> *iter, enum mode_class mclass) | |
| 870 { | |
| 871 if (GET_CLASS_NARROWEST_MODE (mclass) == E_VOIDmode) | |
| 872 *iter = opt_mode<T> (); | |
| 873 else | |
| 874 *iter = as_a<T> (GET_CLASS_NARROWEST_MODE (mclass)); | |
| 875 } | |
| 876 | |
| 877 inline void | |
| 878 start (machine_mode *iter, enum mode_class mclass) | |
| 879 { | |
| 880 *iter = GET_CLASS_NARROWEST_MODE (mclass); | |
| 881 } | |
| 882 | |
| 883 /* Return true if mode iterator *ITER has not reached the end. */ | |
| 884 | |
| 885 template<typename T> | |
| 886 inline bool | |
| 887 iterate_p (opt_mode<T> *iter) | |
| 888 { | |
| 889 return iter->exists (); | |
| 890 } | |
| 891 | |
| 892 inline bool | |
| 893 iterate_p (machine_mode *iter) | |
| 894 { | |
| 895 return *iter != E_VOIDmode; | |
| 896 } | |
| 897 | |
| 898 /* Set mode iterator *ITER to the next widest mode in the same class, | |
| 899 if any. */ | |
| 900 | |
| 901 template<typename T> | |
| 902 inline void | |
| 903 get_wider (opt_mode<T> *iter) | |
| 904 { | |
| 905 *iter = GET_MODE_WIDER_MODE (iter->require ()); | |
| 906 } | |
| 907 | |
| 908 inline void | |
| 909 get_wider (machine_mode *iter) | |
| 910 { | |
| 911 *iter = GET_MODE_WIDER_MODE (*iter).else_void (); | |
| 912 } | |
| 913 | |
| 914 /* Set mode iterator *ITER to the next widest mode in the same class. | |
| 915 Such a mode is known to exist. */ | |
| 916 | |
| 917 template<typename T> | |
| 918 inline void | |
| 919 get_known_wider (T *iter) | |
| 920 { | |
| 921 *iter = GET_MODE_WIDER_MODE (*iter).require (); | |
| 922 } | |
| 923 | |
| 924 /* Set mode iterator *ITER to the mode that is two times wider than the | |
| 925 current one, if such a mode exists. */ | |
| 926 | |
| 927 template<typename T> | |
| 928 inline void | |
| 929 get_2xwider (opt_mode<T> *iter) | |
| 930 { | |
| 931 *iter = GET_MODE_2XWIDER_MODE (iter->require ()); | |
| 932 } | |
| 933 | |
| 934 inline void | |
| 935 get_2xwider (machine_mode *iter) | |
| 936 { | |
| 937 *iter = GET_MODE_2XWIDER_MODE (*iter).else_void (); | |
| 938 } | |
| 939 } | |
| 940 | |
| 941 /* Make ITERATOR iterate over all the modes in mode class CLASS, | |
| 942 from narrowest to widest. */ | |
| 943 #define FOR_EACH_MODE_IN_CLASS(ITERATOR, CLASS) \ | |
| 944 for (mode_iterator::start (&(ITERATOR), CLASS); \ | |
| 945 mode_iterator::iterate_p (&(ITERATOR)); \ | |
| 946 mode_iterator::get_wider (&(ITERATOR))) | |
| 947 | |
| 948 /* Make ITERATOR iterate over all the modes in the range [START, END), | |
| 949 in order of increasing width. */ | |
| 950 #define FOR_EACH_MODE(ITERATOR, START, END) \ | |
| 951 for ((ITERATOR) = (START); \ | |
| 952 (ITERATOR) != (END); \ | |
| 953 mode_iterator::get_known_wider (&(ITERATOR))) | |
| 954 | |
| 955 /* Make ITERATOR iterate over START and all wider modes in the same | |
| 956 class, in order of increasing width. */ | |
| 957 #define FOR_EACH_MODE_FROM(ITERATOR, START) \ | |
| 958 for ((ITERATOR) = (START); \ | |
| 959 mode_iterator::iterate_p (&(ITERATOR)); \ | |
| 960 mode_iterator::get_wider (&(ITERATOR))) | |
| 961 | |
| 962 /* Make ITERATOR iterate over modes in the range [NARROWEST, END) | |
| 963 in order of increasing width, where NARROWEST is the narrowest mode | |
| 964 in END's class. */ | |
| 965 #define FOR_EACH_MODE_UNTIL(ITERATOR, END) \ | |
| 966 FOR_EACH_MODE (ITERATOR, get_narrowest_mode (END), END) | |
| 967 | |
| 968 /* Make ITERATOR iterate over modes in the same class as MODE, in order | |
| 969 of increasing width. Start at the first mode wider than START, | |
| 970 or don't iterate at all if there is no wider mode. */ | |
| 971 #define FOR_EACH_WIDER_MODE(ITERATOR, START) \ | |
| 972 for ((ITERATOR) = (START), mode_iterator::get_wider (&(ITERATOR)); \ | |
| 973 mode_iterator::iterate_p (&(ITERATOR)); \ | |
| 974 mode_iterator::get_wider (&(ITERATOR))) | |
| 975 | |
| 976 /* Make ITERATOR iterate over modes in the same class as MODE, in order | |
| 977 of increasing width, and with each mode being twice the width of the | |
| 978 previous mode. Start at the mode that is two times wider than START, | |
| 979 or don't iterate at all if there is no such mode. */ | |
| 980 #define FOR_EACH_2XWIDER_MODE(ITERATOR, START) \ | |
| 981 for ((ITERATOR) = (START), mode_iterator::get_2xwider (&(ITERATOR)); \ | |
| 982 mode_iterator::iterate_p (&(ITERATOR)); \ | |
| 983 mode_iterator::get_2xwider (&(ITERATOR))) | |
| 984 | |
| 985 template<typename T> | |
| 986 void | |
| 987 gt_ggc_mx (pod_mode<T> *) | |
| 988 { | |
| 989 } | |
| 990 | |
| 991 template<typename T> | |
| 992 void | |
| 993 gt_pch_nx (pod_mode<T> *) | |
| 994 { | |
| 995 } | |
| 996 | |
| 997 template<typename T> | |
| 998 void | |
| 999 gt_pch_nx (pod_mode<T> *, void (*) (void *, void *), void *) | |
| 1000 { | |
| 1001 } | |
| 1002 | |
| 0 | 1003 #endif /* not HAVE_MACHINE_MODES */ |