dep/sdl/include/SDL_cpuinfo.h

   1 /*
   2   Simple DirectMedia Layer
   3   Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
   4
   5   This software is provided 'as-is', without any express or implied
   6   warranty.  In no event will the authors be held liable for any damages
   7   arising from the use of this software.
   8
   9   Permission is granted to anyone to use this software for any purpose,
  10   including commercial applications, and to alter it and redistribute it
  11   freely, subject to the following restrictions:
  12
  13   1. The origin of this software must not be misrepresented; you must not
  14      claim that you wrote the original software. If you use this software
  15      in a product, an acknowledgment in the product documentation would be
  16      appreciated but is not required.
  17   2. Altered source versions must be plainly marked as such, and must not be
  18      misrepresented as being the original software.
  19   3. This notice may not be removed or altered from any source distribution.
  20 */
  21
  22 /**
  23  *  \file SDL_cpuinfo.h
  24  *
  25  *  CPU feature detection for SDL.
  26  */
  27
  28 #ifndef SDL_cpuinfo_h_
  29 #define SDL_cpuinfo_h_
  30
  31 #include "SDL_stdinc.h"
  32
  33 /* Need to do this here because intrin.h has C++ code in it */
  34 /* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */
  35 #if defined(_MSC_VER) && (_MSC_VER >= 1500) && (defined(_M_IX86) || defined(_M_X64))
  36 #ifdef __clang__
  37 /* As of Clang 11, '_m_prefetchw' is conflicting with the winnt.h's version,
  38    so we define the needed '_m_prefetch' here as a pseudo-header, until the issue is fixed. */
  39
  40 #ifndef __PRFCHWINTRIN_H
  41 #define __PRFCHWINTRIN_H
  42
  43 static __inline__ void __attribute__((__always_inline__, __nodebug__))
  44 _m_prefetch(void *__P)
  45 {
  46   __builtin_prefetch (__P, 0, 3 /* _MM_HINT_T0 */);
  47 }
  48
  49 #endif /* __PRFCHWINTRIN_H */
  50 #endif /* __clang__ */
  51 #include <intrin.h>
  52 #ifndef _WIN64
  53 #ifndef __MMX__
  54 #define __MMX__
  55 #endif
  56 #ifndef __3dNOW__
  57 #define __3dNOW__
  58 #endif
  59 #endif
  60 #ifndef __SSE__
  61 #define __SSE__
  62 #endif
  63 #ifndef __SSE2__
  64 #define __SSE2__
  65 #endif
  66 #ifndef __SSE3__
  67 #define __SSE3__
  68 #endif
  69 #elif defined(__MINGW64_VERSION_MAJOR)
  70 #include <intrin.h>
  71 #if !defined(SDL_DISABLE_ARM_NEON_H) && defined(__ARM_NEON)
  72 #  include <arm_neon.h>
  73 #endif
  74 #else
  75 /* altivec.h redefining bool causes a number of problems, see bugs 3993 and 4392, so you need to explicitly define SDL_ENABLE_ALTIVEC_H to have it included. */
  76 #if defined(HAVE_ALTIVEC_H) && defined(__ALTIVEC__) && !defined(__APPLE_ALTIVEC__) && defined(SDL_ENABLE_ALTIVEC_H)
  77 #include <altivec.h>
  78 #endif
  79 #if !defined(SDL_DISABLE_ARM_NEON_H)
  80 #  if defined(__ARM_NEON)
  81 #    include <arm_neon.h>
  82 #  elif defined(__WINDOWS__) || defined(__WINRT__) || defined(__GDK__)
  83 /* Visual Studio doesn't define __ARM_ARCH, but _M_ARM (if set, always 7), and _M_ARM64 (if set, always 1). */
  84 #    if defined(_M_ARM)
  85 #      include <armintr.h>
  86 #      include <arm_neon.h>
  87 #      define __ARM_NEON 1 /* Set __ARM_NEON so that it can be used elsewhere, at compile time */
  88 #    endif
  89 #    if defined (_M_ARM64)
  90 #      include <arm64intr.h>
  91 #      include <arm64_neon.h>
  92 #      define __ARM_NEON 1 /* Set __ARM_NEON so that it can be used elsewhere, at compile time */
  93 #      define __ARM_ARCH 8
  94 #    endif
  95 #  endif
  96 #endif
  97 #endif /* compiler version */
  98
  99 #if defined(__3dNOW__) && !defined(SDL_DISABLE_MM3DNOW_H)
 100 #include <mm3dnow.h>
 101 #endif
 102 #if defined(__loongarch_sx) && !defined(SDL_DISABLE_LSX_H)
 103 #include <lsxintrin.h>
 104 #define __LSX__
 105 #endif
 106 #if defined(__loongarch_asx) && !defined(SDL_DISABLE_LASX_H)
 107 #include <lasxintrin.h>
 108 #define __LASX__
 109 #endif
 110 #if defined(HAVE_IMMINTRIN_H) && !defined(SDL_DISABLE_IMMINTRIN_H)
 111 #include <immintrin.h>
 112 #else
 113 #if defined(__MMX__) && !defined(SDL_DISABLE_MMINTRIN_H)
 114 #include <mmintrin.h>
 115 #endif
 116 #if defined(__SSE__) && !defined(SDL_DISABLE_XMMINTRIN_H)
 117 #include <xmmintrin.h>
 118 #endif
 119 #if defined(__SSE2__) && !defined(SDL_DISABLE_EMMINTRIN_H)
 120 #include <emmintrin.h>
 121 #endif
 122 #if defined(__SSE3__) && !defined(SDL_DISABLE_PMMINTRIN_H)
 123 #include <pmmintrin.h>
 124 #endif
 125 #endif /* HAVE_IMMINTRIN_H */
 126
 127 #include "begin_code.h"
 128 /* Set up for C function definitions, even when using C++ */
 129 #ifdef __cplusplus
 130 extern "C" {
 131 #endif
 132
 133 /* This is a guess for the cacheline size used for padding.
 134  * Most x86 processors have a 64 byte cache line.
 135  * The 64-bit PowerPC processors have a 128 byte cache line.
 136  * We'll use the larger value to be generally safe.
 137  */
 138 #define SDL_CACHELINE_SIZE  128
 139
 140 /**
 141  * Get the number of CPU cores available.
 142  *
 143  * \returns the total number of logical CPU cores. On CPUs that include
 144  *          technologies such as hyperthreading, the number of logical cores
 145  *          may be more than the number of physical cores.
 146  *
 147  * \since This function is available since SDL 2.0.0.
 148  */
 149 extern DECLSPEC int SDLCALL SDL_GetCPUCount(void);
 150
 151 /**
 152  * Determine the L1 cache line size of the CPU.
 153  *
 154  * This is useful for determining multi-threaded structure padding or SIMD
 155  * prefetch sizes.
 156  *
 157  * \returns the L1 cache line size of the CPU, in bytes.
 158  *
 159  * \since This function is available since SDL 2.0.0.
 160  */
 161 extern DECLSPEC int SDLCALL SDL_GetCPUCacheLineSize(void);
 162
 163 /**
 164  * Determine whether the CPU has the RDTSC instruction.
 165  *
 166  * This always returns false on CPUs that aren't using Intel instruction sets.
 167  *
 168  * \returns SDL_TRUE if the CPU has the RDTSC instruction or SDL_FALSE if not.
 169  *
 170  * \since This function is available since SDL 2.0.0.
 171  *
 172  * \sa SDL_Has3DNow
 173  * \sa SDL_HasAltiVec
 174  * \sa SDL_HasAVX
 175  * \sa SDL_HasAVX2
 176  * \sa SDL_HasMMX
 177  * \sa SDL_HasSSE
 178  * \sa SDL_HasSSE2
 179  * \sa SDL_HasSSE3
 180  * \sa SDL_HasSSE41
 181  * \sa SDL_HasSSE42
 182  */
 183 extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void);
 184
 185 /**
 186  * Determine whether the CPU has AltiVec features.
 187  *
 188  * This always returns false on CPUs that aren't using PowerPC instruction
 189  * sets.
 190  *
 191  * \returns SDL_TRUE if the CPU has AltiVec features or SDL_FALSE if not.
 192  *
 193  * \since This function is available since SDL 2.0.0.
 194  *
 195  * \sa SDL_Has3DNow
 196  * \sa SDL_HasAVX
 197  * \sa SDL_HasAVX2
 198  * \sa SDL_HasMMX
 199  * \sa SDL_HasRDTSC
 200  * \sa SDL_HasSSE
 201  * \sa SDL_HasSSE2
 202  * \sa SDL_HasSSE3
 203  * \sa SDL_HasSSE41
 204  * \sa SDL_HasSSE42
 205  */
 206 extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void);
 207
 208 /**
 209  * Determine whether the CPU has MMX features.
 210  *
 211  * This always returns false on CPUs that aren't using Intel instruction sets.
 212  *
 213  * \returns SDL_TRUE if the CPU has MMX features or SDL_FALSE if not.
 214  *
 215  * \since This function is available since SDL 2.0.0.
 216  *
 217  * \sa SDL_Has3DNow
 218  * \sa SDL_HasAltiVec
 219  * \sa SDL_HasAVX
 220  * \sa SDL_HasAVX2
 221  * \sa SDL_HasRDTSC
 222  * \sa SDL_HasSSE
 223  * \sa SDL_HasSSE2
 224  * \sa SDL_HasSSE3
 225  * \sa SDL_HasSSE41
 226  * \sa SDL_HasSSE42
 227  */
 228 extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void);
 229
 230 /**
 231  * Determine whether the CPU has 3DNow! features.
 232  *
 233  * This always returns false on CPUs that aren't using AMD instruction sets.
 234  *
 235  * \returns SDL_TRUE if the CPU has 3DNow! features or SDL_FALSE if not.
 236  *
 237  * \since This function is available since SDL 2.0.0.
 238  *
 239  * \sa SDL_HasAltiVec
 240  * \sa SDL_HasAVX
 241  * \sa SDL_HasAVX2
 242  * \sa SDL_HasMMX
 243  * \sa SDL_HasRDTSC
 244  * \sa SDL_HasSSE
 245  * \sa SDL_HasSSE2
 246  * \sa SDL_HasSSE3
 247  * \sa SDL_HasSSE41
 248  * \sa SDL_HasSSE42
 249  */
 250 extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void);
 251
 252 /**
 253  * Determine whether the CPU has SSE features.
 254  *
 255  * This always returns false on CPUs that aren't using Intel instruction sets.
 256  *
 257  * \returns SDL_TRUE if the CPU has SSE features or SDL_FALSE if not.
 258  *
 259  * \since This function is available since SDL 2.0.0.
 260  *
 261  * \sa SDL_Has3DNow
 262  * \sa SDL_HasAltiVec
 263  * \sa SDL_HasAVX
 264  * \sa SDL_HasAVX2
 265  * \sa SDL_HasMMX
 266  * \sa SDL_HasRDTSC
 267  * \sa SDL_HasSSE2
 268  * \sa SDL_HasSSE3
 269  * \sa SDL_HasSSE41
 270  * \sa SDL_HasSSE42
 271  */
 272 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(void);
 273
 274 /**
 275  * Determine whether the CPU has SSE2 features.
 276  *
 277  * This always returns false on CPUs that aren't using Intel instruction sets.
 278  *
 279  * \returns SDL_TRUE if the CPU has SSE2 features or SDL_FALSE if not.
 280  *
 281  * \since This function is available since SDL 2.0.0.
 282  *
 283  * \sa SDL_Has3DNow
 284  * \sa SDL_HasAltiVec
 285  * \sa SDL_HasAVX
 286  * \sa SDL_HasAVX2
 287  * \sa SDL_HasMMX
 288  * \sa SDL_HasRDTSC
 289  * \sa SDL_HasSSE
 290  * \sa SDL_HasSSE3
 291  * \sa SDL_HasSSE41
 292  * \sa SDL_HasSSE42
 293  */
 294 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(void);
 295
 296 /**
 297  * Determine whether the CPU has SSE3 features.
 298  *
 299  * This always returns false on CPUs that aren't using Intel instruction sets.
 300  *
 301  * \returns SDL_TRUE if the CPU has SSE3 features or SDL_FALSE if not.
 302  *
 303  * \since This function is available since SDL 2.0.0.
 304  *
 305  * \sa SDL_Has3DNow
 306  * \sa SDL_HasAltiVec
 307  * \sa SDL_HasAVX
 308  * \sa SDL_HasAVX2
 309  * \sa SDL_HasMMX
 310  * \sa SDL_HasRDTSC
 311  * \sa SDL_HasSSE
 312  * \sa SDL_HasSSE2
 313  * \sa SDL_HasSSE41
 314  * \sa SDL_HasSSE42
 315  */
 316 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE3(void);
 317
 318 /**
 319  * Determine whether the CPU has SSE4.1 features.
 320  *
 321  * This always returns false on CPUs that aren't using Intel instruction sets.
 322  *
 323  * \returns SDL_TRUE if the CPU has SSE4.1 features or SDL_FALSE if not.
 324  *
 325  * \since This function is available since SDL 2.0.0.
 326  *
 327  * \sa SDL_Has3DNow
 328  * \sa SDL_HasAltiVec
 329  * \sa SDL_HasAVX
 330  * \sa SDL_HasAVX2
 331  * \sa SDL_HasMMX
 332  * \sa SDL_HasRDTSC
 333  * \sa SDL_HasSSE
 334  * \sa SDL_HasSSE2
 335  * \sa SDL_HasSSE3
 336  * \sa SDL_HasSSE42
 337  */
 338 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE41(void);
 339
 340 /**
 341  * Determine whether the CPU has SSE4.2 features.
 342  *
 343  * This always returns false on CPUs that aren't using Intel instruction sets.
 344  *
 345  * \returns SDL_TRUE if the CPU has SSE4.2 features or SDL_FALSE if not.
 346  *
 347  * \since This function is available since SDL 2.0.0.
 348  *
 349  * \sa SDL_Has3DNow
 350  * \sa SDL_HasAltiVec
 351  * \sa SDL_HasAVX
 352  * \sa SDL_HasAVX2
 353  * \sa SDL_HasMMX
 354  * \sa SDL_HasRDTSC
 355  * \sa SDL_HasSSE
 356  * \sa SDL_HasSSE2
 357  * \sa SDL_HasSSE3
 358  * \sa SDL_HasSSE41
 359  */
 360 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE42(void);
 361
 362 /**
 363  * Determine whether the CPU has AVX features.
 364  *
 365  * This always returns false on CPUs that aren't using Intel instruction sets.
 366  *
 367  * \returns SDL_TRUE if the CPU has AVX features or SDL_FALSE if not.
 368  *
 369  * \since This function is available since SDL 2.0.2.
 370  *
 371  * \sa SDL_Has3DNow
 372  * \sa SDL_HasAltiVec
 373  * \sa SDL_HasAVX2
 374  * \sa SDL_HasMMX
 375  * \sa SDL_HasRDTSC
 376  * \sa SDL_HasSSE
 377  * \sa SDL_HasSSE2
 378  * \sa SDL_HasSSE3
 379  * \sa SDL_HasSSE41
 380  * \sa SDL_HasSSE42
 381  */
 382 extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX(void);
 383
 384 /**
 385  * Determine whether the CPU has AVX2 features.
 386  *
 387  * This always returns false on CPUs that aren't using Intel instruction sets.
 388  *
 389  * \returns SDL_TRUE if the CPU has AVX2 features or SDL_FALSE if not.
 390  *
 391  * \since This function is available since SDL 2.0.4.
 392  *
 393  * \sa SDL_Has3DNow
 394  * \sa SDL_HasAltiVec
 395  * \sa SDL_HasAVX
 396  * \sa SDL_HasMMX
 397  * \sa SDL_HasRDTSC
 398  * \sa SDL_HasSSE
 399  * \sa SDL_HasSSE2
 400  * \sa SDL_HasSSE3
 401  * \sa SDL_HasSSE41
 402  * \sa SDL_HasSSE42
 403  */
 404 extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX2(void);
 405
 406 /**
 407  * Determine whether the CPU has AVX-512F (foundation) features.
 408  *
 409  * This always returns false on CPUs that aren't using Intel instruction sets.
 410  *
 411  * \returns SDL_TRUE if the CPU has AVX-512F features or SDL_FALSE if not.
 412  *
 413  * \since This function is available since SDL 2.0.9.
 414  *
 415  * \sa SDL_HasAVX
 416  */
 417 extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX512F(void);
 418
 419 /**
 420  * Determine whether the CPU has ARM SIMD (ARMv6) features.
 421  *
 422  * This is different from ARM NEON, which is a different instruction set.
 423  *
 424  * This always returns false on CPUs that aren't using ARM instruction sets.
 425  *
 426  * \returns SDL_TRUE if the CPU has ARM SIMD features or SDL_FALSE if not.
 427  *
 428  * \since This function is available since SDL 2.0.12.
 429  *
 430  * \sa SDL_HasNEON
 431  */
 432 extern DECLSPEC SDL_bool SDLCALL SDL_HasARMSIMD(void);
 433
 434 /**
 435  * Determine whether the CPU has NEON (ARM SIMD) features.
 436  *
 437  * This always returns false on CPUs that aren't using ARM instruction sets.
 438  *
 439  * \returns SDL_TRUE if the CPU has ARM NEON features or SDL_FALSE if not.
 440  *
 441  * \since This function is available since SDL 2.0.6.
 442  */
 443 extern DECLSPEC SDL_bool SDLCALL SDL_HasNEON(void);
 444
 445 /**
 446  * Determine whether the CPU has LSX (LOONGARCH SIMD) features.
 447  *
 448  * This always returns false on CPUs that aren't using LOONGARCH instruction
 449  * sets.
 450  *
 451  * \returns SDL_TRUE if the CPU has LOONGARCH LSX features or SDL_FALSE if
 452  *          not.
 453  *
 454  * \since This function is available since SDL 2.24.0.
 455  */
 456 extern DECLSPEC SDL_bool SDLCALL SDL_HasLSX(void);
 457
 458 /**
 459  * Determine whether the CPU has LASX (LOONGARCH SIMD) features.
 460  *
 461  * This always returns false on CPUs that aren't using LOONGARCH instruction
 462  * sets.
 463  *
 464  * \returns SDL_TRUE if the CPU has LOONGARCH LASX features or SDL_FALSE if
 465  *          not.
 466  *
 467  * \since This function is available since SDL 2.24.0.
 468  */
 469 extern DECLSPEC SDL_bool SDLCALL SDL_HasLASX(void);
 470
 471 /**
 472  * Get the amount of RAM configured in the system.
 473  *
 474  * \returns the amount of RAM configured in the system in MiB.
 475  *
 476  * \since This function is available since SDL 2.0.1.
 477  */
 478 extern DECLSPEC int SDLCALL SDL_GetSystemRAM(void);
 479
 480 /**
 481  * Report the alignment this system needs for SIMD allocations.
 482  *
 483  * This will return the minimum number of bytes to which a pointer must be
 484  * aligned to be compatible with SIMD instructions on the current machine. For
 485  * example, if the machine supports SSE only, it will return 16, but if it
 486  * supports AVX-512F, it'll return 64 (etc). This only reports values for
 487  * instruction sets SDL knows about, so if your SDL build doesn't have
 488  * SDL_HasAVX512F(), then it might return 16 for the SSE support it sees and
 489  * not 64 for the AVX-512 instructions that exist but SDL doesn't know about.
 490  * Plan accordingly.
 491  *
 492  * \returns the alignment in bytes needed for available, known SIMD
 493  *          instructions.
 494  *
 495  * \since This function is available since SDL 2.0.10.
 496  */
 497 extern DECLSPEC size_t SDLCALL SDL_SIMDGetAlignment(void);
 498
 499 /**
 500  * Allocate memory in a SIMD-friendly way.
 501  *
 502  * This will allocate a block of memory that is suitable for use with SIMD
 503  * instructions. Specifically, it will be properly aligned and padded for the
 504  * system's supported vector instructions.
 505  *
 506  * The memory returned will be padded such that it is safe to read or write an
 507  * incomplete vector at the end of the memory block. This can be useful so you
 508  * don't have to drop back to a scalar fallback at the end of your SIMD
 509  * processing loop to deal with the final elements without overflowing the
 510  * allocated buffer.
 511  *
 512  * You must free this memory with SDL_FreeSIMD(), not free() or SDL_free() or
 513  * delete[], etc.
 514  *
 515  * Note that SDL will only deal with SIMD instruction sets it is aware of; for
 516  * example, SDL 2.0.8 knows that SSE wants 16-byte vectors (SDL_HasSSE()), and
 517  * AVX2 wants 32 bytes (SDL_HasAVX2()), but doesn't know that AVX-512 wants
 518  * 64. To be clear: if you can't decide to use an instruction set with an
 519  * SDL_Has*() function, don't use that instruction set with memory allocated
 520  * through here.
 521  *
 522  * SDL_AllocSIMD(0) will return a non-NULL pointer, assuming the system isn't
 523  * out of memory, but you are not allowed to dereference it (because you only
 524  * own zero bytes of that buffer).
 525  *
 526  * \param len The length, in bytes, of the block to allocate. The actual
 527  *            allocated block might be larger due to padding, etc.
 528  * \returns a pointer to the newly-allocated block, NULL if out of memory.
 529  *
 530  * \since This function is available since SDL 2.0.10.
 531  *
 532  * \sa SDL_SIMDGetAlignment
 533  * \sa SDL_SIMDRealloc
 534  * \sa SDL_SIMDFree
 535  */
 536 extern DECLSPEC void * SDLCALL SDL_SIMDAlloc(const size_t len);
 537
 538 /**
 539  * Reallocate memory obtained from SDL_SIMDAlloc
 540  *
 541  * It is not valid to use this function on a pointer from anything but
 542  * SDL_SIMDAlloc(). It can't be used on pointers from malloc, realloc,
 543  * SDL_malloc, memalign, new[], etc.
 544  *
 545  * \param mem The pointer obtained from SDL_SIMDAlloc. This function also
 546  *            accepts NULL, at which point this function is the same as
 547  *            calling SDL_SIMDAlloc with a NULL pointer.
 548  * \param len The length, in bytes, of the block to allocated. The actual
 549  *            allocated block might be larger due to padding, etc. Passing 0
 550  *            will return a non-NULL pointer, assuming the system isn't out of
 551  *            memory.
 552  * \returns a pointer to the newly-reallocated block, NULL if out of memory.
 553  *
 554  * \since This function is available since SDL 2.0.14.
 555  *
 556  * \sa SDL_SIMDGetAlignment
 557  * \sa SDL_SIMDAlloc
 558  * \sa SDL_SIMDFree
 559  */
 560 extern DECLSPEC void * SDLCALL SDL_SIMDRealloc(void *mem, const size_t len);
 561
 562 /**
 563  * Deallocate memory obtained from SDL_SIMDAlloc
 564  *
 565  * It is not valid to use this function on a pointer from anything but
 566  * SDL_SIMDAlloc() or SDL_SIMDRealloc(). It can't be used on pointers from
 567  * malloc, realloc, SDL_malloc, memalign, new[], etc.
 568  *
 569  * However, SDL_SIMDFree(NULL) is a legal no-op.
 570  *
 571  * The memory pointed to by `ptr` is no longer valid for access upon return,
 572  * and may be returned to the system or reused by a future allocation. The
 573  * pointer passed to this function is no longer safe to dereference once this
 574  * function returns, and should be discarded.
 575  *
 576  * \param ptr The pointer, returned from SDL_SIMDAlloc or SDL_SIMDRealloc, to
 577  *            deallocate. NULL is a legal no-op.
 578  *
 579  * \since This function is available since SDL 2.0.10.
 580  *
 581  * \sa SDL_SIMDAlloc
 582  * \sa SDL_SIMDRealloc
 583  */
 584 extern DECLSPEC void SDLCALL SDL_SIMDFree(void *ptr);
 585
 586 /* Ends C function definitions when using C++ */
 587 #ifdef __cplusplus
 588 }
 589 #endif
 590 #include "close_code.h"
 591
 592 #endif /* SDL_cpuinfo_h_ */
 593
 594 /* vi: set ts=4 sw=4 expandtab: */