1 /* 2 * kmp_os.h -- KPTS runtime header file. 3 */ 4 5 //===----------------------------------------------------------------------===// 6 // 7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 8 // See https://llvm.org/LICENSE.txt for license information. 9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef KMP_OS_H 14 #define KMP_OS_H 15 16 #include "kmp_config.h" 17 #include <atomic> 18 #include <stdarg.h> 19 #include <stdlib.h> 20 21 #define KMP_FTN_PLAIN 1 22 #define KMP_FTN_APPEND 2 23 #define KMP_FTN_UPPER 3 24 /* 25 #define KMP_FTN_PREPEND 4 26 #define KMP_FTN_UAPPEND 5 27 */ 28 29 #define KMP_PTR_SKIP (sizeof(void *)) 30 31 /* -------------------------- Compiler variations ------------------------ */ 32 33 #define KMP_OFF 0 34 #define KMP_ON 1 35 36 #define KMP_MEM_CONS_VOLATILE 0 37 #define KMP_MEM_CONS_FENCE 1 38 39 #ifndef KMP_MEM_CONS_MODEL 40 #define KMP_MEM_CONS_MODEL KMP_MEM_CONS_VOLATILE 41 #endif 42 43 #ifndef __has_cpp_attribute 44 #define __has_cpp_attribute(x) 0 45 #endif 46 47 #ifndef __has_attribute 48 #define __has_attribute(x) 0 49 #endif 50 51 /* ------------------------- Compiler recognition ---------------------- */ 52 #define KMP_COMPILER_ICC 0 53 #define KMP_COMPILER_GCC 0 54 #define KMP_COMPILER_CLANG 0 55 #define KMP_COMPILER_MSVC 0 56 57 #if defined(__INTEL_COMPILER) 58 #undef KMP_COMPILER_ICC 59 #define KMP_COMPILER_ICC 1 60 #elif defined(__clang__) 61 #undef KMP_COMPILER_CLANG 62 #define KMP_COMPILER_CLANG 1 63 #elif defined(__GNUC__) 64 #undef KMP_COMPILER_GCC 65 #define KMP_COMPILER_GCC 1 66 #elif defined(_MSC_VER) 67 #undef KMP_COMPILER_MSVC 68 #define KMP_COMPILER_MSVC 1 69 #else 70 #error Unknown compiler 71 #endif 72 73 #if (KMP_OS_LINUX || KMP_OS_WINDOWS || KMP_OS_FREEBSD) && !KMP_OS_CNK 74 #define KMP_AFFINITY_SUPPORTED 1 75 #if KMP_OS_WINDOWS && KMP_ARCH_X86_64 76 #define KMP_GROUP_AFFINITY 1 77 #else 78 #define KMP_GROUP_AFFINITY 0 79 #endif 80 #else 81 #define KMP_AFFINITY_SUPPORTED 0 82 #define KMP_GROUP_AFFINITY 0 83 #endif 84 85 /* Check for quad-precision extension. */ 86 #define KMP_HAVE_QUAD 0 87 #if KMP_ARCH_X86 || KMP_ARCH_X86_64 88 #if KMP_COMPILER_ICC 89 /* _Quad is already defined for icc */ 90 #undef KMP_HAVE_QUAD 91 #define KMP_HAVE_QUAD 1 92 #elif KMP_COMPILER_CLANG 93 /* Clang doesn't support a software-implemented 94 128-bit extended precision type yet */ 95 typedef long double _Quad; 96 #elif KMP_COMPILER_GCC 97 /* GCC on NetBSD lacks __multc3/__divtc3 builtins needed for quad */ 98 #if !KMP_OS_NETBSD 99 typedef __float128 _Quad; 100 #undef KMP_HAVE_QUAD 101 #define KMP_HAVE_QUAD 1 102 #endif 103 #elif KMP_COMPILER_MSVC 104 typedef long double _Quad; 105 #endif 106 #else 107 #if __LDBL_MAX_EXP__ >= 16384 && KMP_COMPILER_GCC 108 typedef long double _Quad; 109 #undef KMP_HAVE_QUAD 110 #define KMP_HAVE_QUAD 1 111 #endif 112 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ 113 114 #define KMP_USE_X87CONTROL 0 115 #if KMP_OS_WINDOWS 116 #define KMP_END_OF_LINE "\r\n" 117 typedef char kmp_int8; 118 typedef unsigned char kmp_uint8; 119 typedef short kmp_int16; 120 typedef unsigned short kmp_uint16; 121 typedef int kmp_int32; 122 typedef unsigned int kmp_uint32; 123 #define KMP_INT32_SPEC "d" 124 #define KMP_UINT32_SPEC "u" 125 #ifndef KMP_STRUCT64 126 typedef __int64 kmp_int64; 127 typedef unsigned __int64 kmp_uint64; 128 #define KMP_INT64_SPEC "I64d" 129 #define KMP_UINT64_SPEC "I64u" 130 #else 131 struct kmp_struct64 { 132 kmp_int32 a, b; 133 }; 134 typedef struct kmp_struct64 kmp_int64; 135 typedef struct kmp_struct64 kmp_uint64; 136 /* Not sure what to use for KMP_[U]INT64_SPEC here */ 137 #endif 138 #if KMP_ARCH_X86 && KMP_MSVC_COMPAT 139 #undef KMP_USE_X87CONTROL 140 #define KMP_USE_X87CONTROL 1 141 #endif 142 #if KMP_ARCH_X86_64 143 #define KMP_INTPTR 1 144 typedef __int64 kmp_intptr_t; 145 typedef unsigned __int64 kmp_uintptr_t; 146 #define KMP_INTPTR_SPEC "I64d" 147 #define KMP_UINTPTR_SPEC "I64u" 148 #endif 149 #endif /* KMP_OS_WINDOWS */ 150 151 #if KMP_OS_UNIX 152 #define KMP_END_OF_LINE "\n" 153 typedef char kmp_int8; 154 typedef unsigned char kmp_uint8; 155 typedef short kmp_int16; 156 typedef unsigned short kmp_uint16; 157 typedef int kmp_int32; 158 typedef unsigned int kmp_uint32; 159 typedef long long kmp_int64; 160 typedef unsigned long long kmp_uint64; 161 #define KMP_INT32_SPEC "d" 162 #define KMP_UINT32_SPEC "u" 163 #define KMP_INT64_SPEC "lld" 164 #define KMP_UINT64_SPEC "llu" 165 #endif /* KMP_OS_UNIX */ 166 167 #if KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS 168 #define KMP_SIZE_T_SPEC KMP_UINT32_SPEC 169 #elif KMP_ARCH_X86_64 || KMP_ARCH_PPC64 || KMP_ARCH_AARCH64 || \ 170 KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64 171 #define KMP_SIZE_T_SPEC KMP_UINT64_SPEC 172 #else 173 #error "Can't determine size_t printf format specifier." 174 #endif 175 176 #if KMP_ARCH_X86 177 #define KMP_SIZE_T_MAX (0xFFFFFFFF) 178 #else 179 #define KMP_SIZE_T_MAX (0xFFFFFFFFFFFFFFFF) 180 #endif 181 182 typedef size_t kmp_size_t; 183 typedef float kmp_real32; 184 typedef double kmp_real64; 185 186 #ifndef KMP_INTPTR 187 #define KMP_INTPTR 1 188 typedef long kmp_intptr_t; 189 typedef unsigned long kmp_uintptr_t; 190 #define KMP_INTPTR_SPEC "ld" 191 #define KMP_UINTPTR_SPEC "lu" 192 #endif 193 194 #ifdef BUILD_I8 195 typedef kmp_int64 kmp_int; 196 typedef kmp_uint64 kmp_uint; 197 #else 198 typedef kmp_int32 kmp_int; 199 typedef kmp_uint32 kmp_uint; 200 #endif /* BUILD_I8 */ 201 #define KMP_INT_MAX ((kmp_int32)0x7FFFFFFF) 202 #define KMP_INT_MIN ((kmp_int32)0x80000000) 203 204 // stdarg handling 205 #if (KMP_ARCH_ARM || KMP_ARCH_X86_64 || KMP_ARCH_AARCH64) && \ 206 (KMP_OS_FREEBSD || KMP_OS_LINUX) 207 typedef va_list *kmp_va_list; 208 #define kmp_va_deref(ap) (*(ap)) 209 #define kmp_va_addr_of(ap) (&(ap)) 210 #else 211 typedef va_list kmp_va_list; 212 #define kmp_va_deref(ap) (ap) 213 #define kmp_va_addr_of(ap) (ap) 214 #endif 215 216 #ifdef __cplusplus 217 // macros to cast out qualifiers and to re-interpret types 218 #define CCAST(type, var) const_cast<type>(var) 219 #define RCAST(type, var) reinterpret_cast<type>(var) 220 //------------------------------------------------------------------------- 221 // template for debug prints specification ( d, u, lld, llu ), and to obtain 222 // signed/unsigned flavors of a type 223 template <typename T> struct traits_t {}; 224 // int 225 template <> struct traits_t<signed int> { 226 typedef signed int signed_t; 227 typedef unsigned int unsigned_t; 228 typedef double floating_t; 229 static char const *spec; 230 static const signed_t max_value = 0x7fffffff; 231 static const signed_t min_value = 0x80000000; 232 static const int type_size = sizeof(signed_t); 233 }; 234 // unsigned int 235 template <> struct traits_t<unsigned int> { 236 typedef signed int signed_t; 237 typedef unsigned int unsigned_t; 238 typedef double floating_t; 239 static char const *spec; 240 static const unsigned_t max_value = 0xffffffff; 241 static const unsigned_t min_value = 0x00000000; 242 static const int type_size = sizeof(unsigned_t); 243 }; 244 // long 245 template <> struct traits_t<signed long> { 246 typedef signed long signed_t; 247 typedef unsigned long unsigned_t; 248 typedef long double floating_t; 249 static char const *spec; 250 static const int type_size = sizeof(signed_t); 251 }; 252 // long long 253 template <> struct traits_t<signed long long> { 254 typedef signed long long signed_t; 255 typedef unsigned long long unsigned_t; 256 typedef long double floating_t; 257 static char const *spec; 258 static const signed_t max_value = 0x7fffffffffffffffLL; 259 static const signed_t min_value = 0x8000000000000000LL; 260 static const int type_size = sizeof(signed_t); 261 }; 262 // unsigned long long 263 template <> struct traits_t<unsigned long long> { 264 typedef signed long long signed_t; 265 typedef unsigned long long unsigned_t; 266 typedef long double floating_t; 267 static char const *spec; 268 static const unsigned_t max_value = 0xffffffffffffffffLL; 269 static const unsigned_t min_value = 0x0000000000000000LL; 270 static const int type_size = sizeof(unsigned_t); 271 }; 272 //------------------------------------------------------------------------- 273 #else 274 #define CCAST(type, var) (type)(var) 275 #define RCAST(type, var) (type)(var) 276 #endif // __cplusplus 277 278 #define KMP_EXPORT extern /* export declaration in guide libraries */ 279 280 #if __GNUC__ >= 4 && !defined(__MINGW32__) 281 #define __forceinline __inline 282 #endif 283 284 #if KMP_OS_WINDOWS 285 #include <windows.h> 286 287 static inline int KMP_GET_PAGE_SIZE(void) { 288 SYSTEM_INFO si; 289 GetSystemInfo(&si); 290 return si.dwPageSize; 291 } 292 #else 293 #define KMP_GET_PAGE_SIZE() getpagesize() 294 #endif 295 296 #define PAGE_ALIGNED(_addr) \ 297 (!((size_t)_addr & (size_t)(KMP_GET_PAGE_SIZE() - 1))) 298 #define ALIGN_TO_PAGE(x) \ 299 (void *)(((size_t)(x)) & ~((size_t)(KMP_GET_PAGE_SIZE() - 1))) 300 301 /* ---------- Support for cache alignment, padding, etc. ----------------*/ 302 303 #ifdef __cplusplus 304 extern "C" { 305 #endif // __cplusplus 306 307 #define INTERNODE_CACHE_LINE 4096 /* for multi-node systems */ 308 309 /* Define the default size of the cache line */ 310 #ifndef CACHE_LINE 311 #define CACHE_LINE 128 /* cache line size in bytes */ 312 #else 313 #if (CACHE_LINE < 64) && !defined(KMP_OS_DARWIN) 314 // 2006-02-13: This produces too many warnings on OS X*. Disable for now 315 #warning CACHE_LINE is too small. 316 #endif 317 #endif /* CACHE_LINE */ 318 319 #define KMP_CACHE_PREFETCH(ADDR) /* nothing */ 320 321 // Define attribute that indicates that the fall through from the previous 322 // case label is intentional and should not be diagnosed by a compiler 323 // Code from libcxx/include/__config 324 // Use a function like macro to imply that it must be followed by a semicolon 325 #if __cplusplus > 201402L && __has_cpp_attribute(fallthrough) 326 # define KMP_FALLTHROUGH() [[fallthrough]] 327 #elif __has_cpp_attribute(clang::fallthrough) 328 # define KMP_FALLTHROUGH() [[clang::fallthrough]] 329 #elif __has_attribute(fallthrough) || __GNUC__ >= 7 330 # define KMP_FALLTHROUGH() __attribute__((__fallthrough__)) 331 #else 332 # define KMP_FALLTHROUGH() ((void)0) 333 #endif 334 335 // Define attribute that indicates a function does not return 336 #if __cplusplus >= 201103L 337 #define KMP_NORETURN [[noreturn]] 338 #elif KMP_OS_WINDOWS 339 #define KMP_NORETURN __declspec(noreturn) 340 #else 341 #define KMP_NORETURN __attribute__((noreturn)) 342 #endif 343 344 #if KMP_OS_WINDOWS && KMP_MSVC_COMPAT 345 #define KMP_ALIGN(bytes) __declspec(align(bytes)) 346 #define KMP_THREAD_LOCAL __declspec(thread) 347 #define KMP_ALIAS /* Nothing */ 348 #else 349 #define KMP_ALIGN(bytes) __attribute__((aligned(bytes))) 350 #define KMP_THREAD_LOCAL __thread 351 #define KMP_ALIAS(alias_of) __attribute__((alias(alias_of))) 352 #endif 353 354 #if KMP_HAVE_WEAK_ATTRIBUTE 355 #define KMP_WEAK_ATTRIBUTE __attribute__((weak)) 356 #else 357 #define KMP_WEAK_ATTRIBUTE /* Nothing */ 358 #endif 359 360 // Define KMP_VERSION_SYMBOL and KMP_EXPAND_NAME 361 #ifndef KMP_STR 362 #define KMP_STR(x) _KMP_STR(x) 363 #define _KMP_STR(x) #x 364 #endif 365 366 #ifdef KMP_USE_VERSION_SYMBOLS 367 // If using versioned symbols, KMP_EXPAND_NAME prepends 368 // __kmp_api_ to the real API name 369 #define KMP_EXPAND_NAME(api_name) _KMP_EXPAND_NAME(api_name) 370 #define _KMP_EXPAND_NAME(api_name) __kmp_api_##api_name 371 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) \ 372 _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, "VERSION") 373 #define _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, default_ver) \ 374 __typeof__(__kmp_api_##api_name) __kmp_api_##api_name##_##ver_num##_alias \ 375 __attribute__((alias(KMP_STR(__kmp_api_##api_name)))); \ 376 __asm__( \ 377 ".symver " KMP_STR(__kmp_api_##api_name##_##ver_num##_alias) "," KMP_STR( \ 378 api_name) "@" ver_str "\n\t"); \ 379 __asm__(".symver " KMP_STR(__kmp_api_##api_name) "," KMP_STR( \ 380 api_name) "@@" default_ver "\n\t") 381 #else // KMP_USE_VERSION_SYMBOLS 382 #define KMP_EXPAND_NAME(api_name) api_name 383 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) /* Nothing */ 384 #endif // KMP_USE_VERSION_SYMBOLS 385 386 /* Temporary note: if performance testing of this passes, we can remove 387 all references to KMP_DO_ALIGN and replace with KMP_ALIGN. */ 388 #define KMP_DO_ALIGN(bytes) KMP_ALIGN(bytes) 389 #define KMP_ALIGN_CACHE KMP_ALIGN(CACHE_LINE) 390 #define KMP_ALIGN_CACHE_INTERNODE KMP_ALIGN(INTERNODE_CACHE_LINE) 391 392 /* General purpose fence types for memory operations */ 393 enum kmp_mem_fence_type { 394 kmp_no_fence, /* No memory fence */ 395 kmp_acquire_fence, /* Acquire (read) memory fence */ 396 kmp_release_fence, /* Release (write) memory fence */ 397 kmp_full_fence /* Full (read+write) memory fence */ 398 }; 399 400 // Synchronization primitives 401 402 #if KMP_ASM_INTRINS && KMP_OS_WINDOWS 403 404 #if KMP_MSVC_COMPAT && !KMP_COMPILER_CLANG 405 #pragma intrinsic(InterlockedExchangeAdd) 406 #pragma intrinsic(InterlockedCompareExchange) 407 #pragma intrinsic(InterlockedExchange) 408 #pragma intrinsic(InterlockedExchange64) 409 #endif 410 411 // Using InterlockedIncrement / InterlockedDecrement causes a library loading 412 // ordering problem, so we use InterlockedExchangeAdd instead. 413 #define KMP_TEST_THEN_INC32(p) InterlockedExchangeAdd((volatile long *)(p), 1) 414 #define KMP_TEST_THEN_INC_ACQ32(p) \ 415 InterlockedExchangeAdd((volatile long *)(p), 1) 416 #define KMP_TEST_THEN_ADD4_32(p) InterlockedExchangeAdd((volatile long *)(p), 4) 417 #define KMP_TEST_THEN_ADD4_ACQ32(p) \ 418 InterlockedExchangeAdd((volatile long *)(p), 4) 419 #define KMP_TEST_THEN_DEC32(p) InterlockedExchangeAdd((volatile long *)(p), -1) 420 #define KMP_TEST_THEN_DEC_ACQ32(p) \ 421 InterlockedExchangeAdd((volatile long *)(p), -1) 422 #define KMP_TEST_THEN_ADD32(p, v) \ 423 InterlockedExchangeAdd((volatile long *)(p), (v)) 424 425 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \ 426 InterlockedCompareExchange((volatile long *)(p), (long)(sv), (long)(cv)) 427 428 #define KMP_XCHG_FIXED32(p, v) \ 429 InterlockedExchange((volatile long *)(p), (long)(v)) 430 #define KMP_XCHG_FIXED64(p, v) \ 431 InterlockedExchange64((volatile kmp_int64 *)(p), (kmp_int64)(v)) 432 433 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) { 434 kmp_int32 tmp = InterlockedExchange((volatile long *)p, *(long *)&v); 435 return *(kmp_real32 *)&tmp; 436 } 437 438 // Routines that we still need to implement in assembly. 439 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v); 440 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v); 441 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v); 442 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v); 443 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v); 444 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v); 445 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v); 446 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v); 447 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v); 448 449 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv, 450 kmp_int8 sv); 451 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv, 452 kmp_int16 sv); 453 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv, 454 kmp_int32 sv); 455 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv, 456 kmp_int64 sv); 457 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv, 458 kmp_int8 sv); 459 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p, 460 kmp_int16 cv, kmp_int16 sv); 461 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p, 462 kmp_int32 cv, kmp_int32 sv); 463 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p, 464 kmp_int64 cv, kmp_int64 sv); 465 466 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v); 467 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v); 468 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v); 469 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v); 470 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v); 471 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v); 472 473 //#define KMP_TEST_THEN_INC32(p) __kmp_test_then_add32((p), 1) 474 //#define KMP_TEST_THEN_INC_ACQ32(p) __kmp_test_then_add32((p), 1) 475 #define KMP_TEST_THEN_INC64(p) __kmp_test_then_add64((p), 1LL) 476 #define KMP_TEST_THEN_INC_ACQ64(p) __kmp_test_then_add64((p), 1LL) 477 //#define KMP_TEST_THEN_ADD4_32(p) __kmp_test_then_add32((p), 4) 478 //#define KMP_TEST_THEN_ADD4_ACQ32(p) __kmp_test_then_add32((p), 4) 479 #define KMP_TEST_THEN_ADD4_64(p) __kmp_test_then_add64((p), 4LL) 480 #define KMP_TEST_THEN_ADD4_ACQ64(p) __kmp_test_then_add64((p), 4LL) 481 //#define KMP_TEST_THEN_DEC32(p) __kmp_test_then_add32((p), -1) 482 //#define KMP_TEST_THEN_DEC_ACQ32(p) __kmp_test_then_add32((p), -1) 483 #define KMP_TEST_THEN_DEC64(p) __kmp_test_then_add64((p), -1LL) 484 #define KMP_TEST_THEN_DEC_ACQ64(p) __kmp_test_then_add64((p), -1LL) 485 //#define KMP_TEST_THEN_ADD32(p, v) __kmp_test_then_add32((p), (v)) 486 #define KMP_TEST_THEN_ADD8(p, v) __kmp_test_then_add8((p), (v)) 487 #define KMP_TEST_THEN_ADD64(p, v) __kmp_test_then_add64((p), (v)) 488 489 #define KMP_TEST_THEN_OR8(p, v) __kmp_test_then_or8((p), (v)) 490 #define KMP_TEST_THEN_AND8(p, v) __kmp_test_then_and8((p), (v)) 491 #define KMP_TEST_THEN_OR32(p, v) __kmp_test_then_or32((p), (v)) 492 #define KMP_TEST_THEN_AND32(p, v) __kmp_test_then_and32((p), (v)) 493 #define KMP_TEST_THEN_OR64(p, v) __kmp_test_then_or64((p), (v)) 494 #define KMP_TEST_THEN_AND64(p, v) __kmp_test_then_and64((p), (v)) 495 496 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \ 497 __kmp_compare_and_store8((p), (cv), (sv)) 498 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \ 499 __kmp_compare_and_store8((p), (cv), (sv)) 500 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \ 501 __kmp_compare_and_store16((p), (cv), (sv)) 502 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \ 503 __kmp_compare_and_store16((p), (cv), (sv)) 504 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \ 505 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 506 (kmp_int32)(sv)) 507 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \ 508 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 509 (kmp_int32)(sv)) 510 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 511 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 512 (kmp_int64)(sv)) 513 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 514 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 515 (kmp_int64)(sv)) 516 517 #if KMP_ARCH_X86 518 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 519 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 520 (kmp_int32)(sv)) 521 #else /* 64 bit pointers */ 522 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 523 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 524 (kmp_int64)(sv)) 525 #endif /* KMP_ARCH_X86 */ 526 527 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \ 528 __kmp_compare_and_store_ret8((p), (cv), (sv)) 529 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \ 530 __kmp_compare_and_store_ret16((p), (cv), (sv)) 531 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 532 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 533 (kmp_int64)(sv)) 534 535 #define KMP_XCHG_FIXED8(p, v) \ 536 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v)); 537 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v)); 538 //#define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v)); 539 //#define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v)); 540 //#define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v)); 541 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v)); 542 543 #elif (KMP_ASM_INTRINS && KMP_OS_UNIX) || !(KMP_ARCH_X86 || KMP_ARCH_X86_64) 544 545 /* cast p to correct type so that proper intrinsic will be used */ 546 #define KMP_TEST_THEN_INC32(p) \ 547 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1) 548 #define KMP_TEST_THEN_INC_ACQ32(p) \ 549 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1) 550 #if KMP_ARCH_MIPS 551 #define KMP_TEST_THEN_INC64(p) \ 552 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 553 #define KMP_TEST_THEN_INC_ACQ64(p) \ 554 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 555 #else 556 #define KMP_TEST_THEN_INC64(p) \ 557 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL) 558 #define KMP_TEST_THEN_INC_ACQ64(p) \ 559 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL) 560 #endif 561 #define KMP_TEST_THEN_ADD4_32(p) \ 562 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4) 563 #define KMP_TEST_THEN_ADD4_ACQ32(p) \ 564 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4) 565 #if KMP_ARCH_MIPS 566 #define KMP_TEST_THEN_ADD4_64(p) \ 567 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST) 568 #define KMP_TEST_THEN_ADD4_ACQ64(p) \ 569 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST) 570 #define KMP_TEST_THEN_DEC64(p) \ 571 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 572 #define KMP_TEST_THEN_DEC_ACQ64(p) \ 573 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 574 #else 575 #define KMP_TEST_THEN_ADD4_64(p) \ 576 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL) 577 #define KMP_TEST_THEN_ADD4_ACQ64(p) \ 578 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL) 579 #define KMP_TEST_THEN_DEC64(p) \ 580 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL) 581 #define KMP_TEST_THEN_DEC_ACQ64(p) \ 582 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL) 583 #endif 584 #define KMP_TEST_THEN_DEC32(p) \ 585 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1) 586 #define KMP_TEST_THEN_DEC_ACQ32(p) \ 587 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1) 588 #define KMP_TEST_THEN_ADD8(p, v) \ 589 __sync_fetch_and_add((volatile kmp_int8 *)(p), (kmp_int8)(v)) 590 #define KMP_TEST_THEN_ADD32(p, v) \ 591 __sync_fetch_and_add((volatile kmp_int32 *)(p), (kmp_int32)(v)) 592 #if KMP_ARCH_MIPS 593 #define KMP_TEST_THEN_ADD64(p, v) \ 594 __atomic_fetch_add((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \ 595 __ATOMIC_SEQ_CST) 596 #else 597 #define KMP_TEST_THEN_ADD64(p, v) \ 598 __sync_fetch_and_add((volatile kmp_int64 *)(p), (kmp_int64)(v)) 599 #endif 600 601 #define KMP_TEST_THEN_OR8(p, v) \ 602 __sync_fetch_and_or((volatile kmp_int8 *)(p), (kmp_int8)(v)) 603 #define KMP_TEST_THEN_AND8(p, v) \ 604 __sync_fetch_and_and((volatile kmp_int8 *)(p), (kmp_int8)(v)) 605 #define KMP_TEST_THEN_OR32(p, v) \ 606 __sync_fetch_and_or((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 607 #define KMP_TEST_THEN_AND32(p, v) \ 608 __sync_fetch_and_and((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 609 #if KMP_ARCH_MIPS 610 #define KMP_TEST_THEN_OR64(p, v) \ 611 __atomic_fetch_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \ 612 __ATOMIC_SEQ_CST) 613 #define KMP_TEST_THEN_AND64(p, v) \ 614 __atomic_fetch_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \ 615 __ATOMIC_SEQ_CST) 616 #else 617 #define KMP_TEST_THEN_OR64(p, v) \ 618 __sync_fetch_and_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 619 #define KMP_TEST_THEN_AND64(p, v) \ 620 __sync_fetch_and_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 621 #endif 622 623 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \ 624 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \ 625 (kmp_uint8)(sv)) 626 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \ 627 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \ 628 (kmp_uint8)(sv)) 629 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \ 630 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \ 631 (kmp_uint16)(sv)) 632 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \ 633 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \ 634 (kmp_uint16)(sv)) 635 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \ 636 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \ 637 (kmp_uint32)(sv)) 638 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \ 639 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \ 640 (kmp_uint32)(sv)) 641 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 642 __sync_bool_compare_and_swap((void *volatile *)(p), (void *)(cv), \ 643 (void *)(sv)) 644 645 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \ 646 __sync_val_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \ 647 (kmp_uint8)(sv)) 648 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \ 649 __sync_val_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \ 650 (kmp_uint16)(sv)) 651 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \ 652 __sync_val_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \ 653 (kmp_uint32)(sv)) 654 #if KMP_ARCH_MIPS 655 static inline bool mips_sync_bool_compare_and_swap( 656 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) { 657 return __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST, 658 __ATOMIC_SEQ_CST); 659 } 660 static inline bool mips_sync_val_compare_and_swap( 661 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) { 662 __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST, 663 __ATOMIC_SEQ_CST); 664 return cv; 665 } 666 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 667 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\ 668 (kmp_uint64)(sv)) 669 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 670 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\ 671 (kmp_uint64)(sv)) 672 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 673 mips_sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 674 (kmp_uint64)(sv)) 675 #else 676 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 677 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 678 (kmp_uint64)(sv)) 679 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 680 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 681 (kmp_uint64)(sv)) 682 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 683 __sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 684 (kmp_uint64)(sv)) 685 #endif 686 687 #define KMP_XCHG_FIXED8(p, v) \ 688 __sync_lock_test_and_set((volatile kmp_uint8 *)(p), (kmp_uint8)(v)) 689 #define KMP_XCHG_FIXED16(p, v) \ 690 __sync_lock_test_and_set((volatile kmp_uint16 *)(p), (kmp_uint16)(v)) 691 #define KMP_XCHG_FIXED32(p, v) \ 692 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 693 #define KMP_XCHG_FIXED64(p, v) \ 694 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 695 696 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) { 697 kmp_int32 tmp = 698 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), *(kmp_uint32 *)&v); 699 return *(kmp_real32 *)&tmp; 700 } 701 702 inline kmp_real64 KMP_XCHG_REAL64(volatile kmp_real64 *p, kmp_real64 v) { 703 kmp_int64 tmp = 704 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), *(kmp_uint64 *)&v); 705 return *(kmp_real64 *)&tmp; 706 } 707 708 #else 709 710 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v); 711 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v); 712 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v); 713 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v); 714 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v); 715 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v); 716 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v); 717 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v); 718 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v); 719 720 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv, 721 kmp_int8 sv); 722 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv, 723 kmp_int16 sv); 724 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv, 725 kmp_int32 sv); 726 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv, 727 kmp_int64 sv); 728 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv, 729 kmp_int8 sv); 730 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p, 731 kmp_int16 cv, kmp_int16 sv); 732 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p, 733 kmp_int32 cv, kmp_int32 sv); 734 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p, 735 kmp_int64 cv, kmp_int64 sv); 736 737 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v); 738 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v); 739 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v); 740 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v); 741 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v); 742 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v); 743 744 #define KMP_TEST_THEN_INC32(p) \ 745 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1) 746 #define KMP_TEST_THEN_INC_ACQ32(p) \ 747 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1) 748 #define KMP_TEST_THEN_INC64(p) \ 749 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL) 750 #define KMP_TEST_THEN_INC_ACQ64(p) \ 751 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL) 752 #define KMP_TEST_THEN_ADD4_32(p) \ 753 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4) 754 #define KMP_TEST_THEN_ADD4_ACQ32(p) \ 755 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4) 756 #define KMP_TEST_THEN_ADD4_64(p) \ 757 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL) 758 #define KMP_TEST_THEN_ADD4_ACQ64(p) \ 759 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL) 760 #define KMP_TEST_THEN_DEC32(p) \ 761 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1) 762 #define KMP_TEST_THEN_DEC_ACQ32(p) \ 763 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1) 764 #define KMP_TEST_THEN_DEC64(p) \ 765 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL) 766 #define KMP_TEST_THEN_DEC_ACQ64(p) \ 767 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL) 768 #define KMP_TEST_THEN_ADD8(p, v) \ 769 __kmp_test_then_add8((volatile kmp_int8 *)(p), (kmp_int8)(v)) 770 #define KMP_TEST_THEN_ADD32(p, v) \ 771 __kmp_test_then_add32((volatile kmp_int32 *)(p), (kmp_int32)(v)) 772 #define KMP_TEST_THEN_ADD64(p, v) \ 773 __kmp_test_then_add64((volatile kmp_int64 *)(p), (kmp_int64)(v)) 774 775 #define KMP_TEST_THEN_OR8(p, v) \ 776 __kmp_test_then_or8((volatile kmp_int8 *)(p), (kmp_int8)(v)) 777 #define KMP_TEST_THEN_AND8(p, v) \ 778 __kmp_test_then_and8((volatile kmp_int8 *)(p), (kmp_int8)(v)) 779 #define KMP_TEST_THEN_OR32(p, v) \ 780 __kmp_test_then_or32((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 781 #define KMP_TEST_THEN_AND32(p, v) \ 782 __kmp_test_then_and32((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 783 #define KMP_TEST_THEN_OR64(p, v) \ 784 __kmp_test_then_or64((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 785 #define KMP_TEST_THEN_AND64(p, v) \ 786 __kmp_test_then_and64((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 787 788 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \ 789 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \ 790 (kmp_int8)(sv)) 791 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \ 792 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \ 793 (kmp_int8)(sv)) 794 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \ 795 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \ 796 (kmp_int16)(sv)) 797 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \ 798 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \ 799 (kmp_int16)(sv)) 800 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \ 801 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 802 (kmp_int32)(sv)) 803 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \ 804 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 805 (kmp_int32)(sv)) 806 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 807 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 808 (kmp_int64)(sv)) 809 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 810 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 811 (kmp_int64)(sv)) 812 813 #if KMP_ARCH_X86 814 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 815 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 816 (kmp_int32)(sv)) 817 #else /* 64 bit pointers */ 818 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 819 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 820 (kmp_int64)(sv)) 821 #endif /* KMP_ARCH_X86 */ 822 823 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \ 824 __kmp_compare_and_store_ret8((p), (cv), (sv)) 825 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \ 826 __kmp_compare_and_store_ret16((p), (cv), (sv)) 827 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \ 828 __kmp_compare_and_store_ret32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 829 (kmp_int32)(sv)) 830 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 831 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 832 (kmp_int64)(sv)) 833 834 #define KMP_XCHG_FIXED8(p, v) \ 835 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v)); 836 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v)); 837 #define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v)); 838 #define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v)); 839 #define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v)); 840 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v)); 841 842 #endif /* KMP_ASM_INTRINS */ 843 844 /* ------------- relaxed consistency memory model stuff ------------------ */ 845 846 #if KMP_OS_WINDOWS 847 #ifdef __ABSOFT_WIN 848 #define KMP_MB() asm("nop") 849 #define KMP_IMB() asm("nop") 850 #else 851 #define KMP_MB() /* _asm{ nop } */ 852 #define KMP_IMB() /* _asm{ nop } */ 853 #endif 854 #endif /* KMP_OS_WINDOWS */ 855 856 #if KMP_ARCH_PPC64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS || \ 857 KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64 858 #define KMP_MB() __sync_synchronize() 859 #endif 860 861 #ifndef KMP_MB 862 #define KMP_MB() /* nothing to do */ 863 #endif 864 865 #ifndef KMP_IMB 866 #define KMP_IMB() /* nothing to do */ 867 #endif 868 869 #ifndef KMP_ST_REL32 870 #define KMP_ST_REL32(A, D) (*(A) = (D)) 871 #endif 872 873 #ifndef KMP_ST_REL64 874 #define KMP_ST_REL64(A, D) (*(A) = (D)) 875 #endif 876 877 #ifndef KMP_LD_ACQ32 878 #define KMP_LD_ACQ32(A) (*(A)) 879 #endif 880 881 #ifndef KMP_LD_ACQ64 882 #define KMP_LD_ACQ64(A) (*(A)) 883 #endif 884 885 /* ------------------------------------------------------------------------ */ 886 // FIXME - maybe this should this be 887 // 888 // #define TCR_4(a) (*(volatile kmp_int32 *)(&a)) 889 // #define TCW_4(a,b) (a) = (*(volatile kmp_int32 *)&(b)) 890 // 891 // #define TCR_8(a) (*(volatile kmp_int64 *)(a)) 892 // #define TCW_8(a,b) (a) = (*(volatile kmp_int64 *)(&b)) 893 // 894 // I'm fairly certain this is the correct thing to do, but I'm afraid 895 // of performance regressions. 896 897 #define TCR_1(a) (a) 898 #define TCW_1(a, b) (a) = (b) 899 #define TCR_4(a) (a) 900 #define TCW_4(a, b) (a) = (b) 901 #define TCI_4(a) (++(a)) 902 #define TCD_4(a) (--(a)) 903 #define TCR_8(a) (a) 904 #define TCW_8(a, b) (a) = (b) 905 #define TCI_8(a) (++(a)) 906 #define TCD_8(a) (--(a)) 907 #define TCR_SYNC_4(a) (a) 908 #define TCW_SYNC_4(a, b) (a) = (b) 909 #define TCX_SYNC_4(a, b, c) \ 910 KMP_COMPARE_AND_STORE_REL32((volatile kmp_int32 *)(volatile void *)&(a), \ 911 (kmp_int32)(b), (kmp_int32)(c)) 912 #define TCR_SYNC_8(a) (a) 913 #define TCW_SYNC_8(a, b) (a) = (b) 914 #define TCX_SYNC_8(a, b, c) \ 915 KMP_COMPARE_AND_STORE_REL64((volatile kmp_int64 *)(volatile void *)&(a), \ 916 (kmp_int64)(b), (kmp_int64)(c)) 917 918 #if KMP_ARCH_X86 || KMP_ARCH_MIPS 919 // What about ARM? 920 #define TCR_PTR(a) ((void *)TCR_4(a)) 921 #define TCW_PTR(a, b) TCW_4((a), (b)) 922 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_4(a)) 923 #define TCW_SYNC_PTR(a, b) TCW_SYNC_4((a), (b)) 924 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_4((a), (b), (c))) 925 926 #else /* 64 bit pointers */ 927 928 #define TCR_PTR(a) ((void *)TCR_8(a)) 929 #define TCW_PTR(a, b) TCW_8((a), (b)) 930 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_8(a)) 931 #define TCW_SYNC_PTR(a, b) TCW_SYNC_8((a), (b)) 932 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_8((a), (b), (c))) 933 934 #endif /* KMP_ARCH_X86 */ 935 936 /* If these FTN_{TRUE,FALSE} values change, may need to change several places 937 where they are used to check that language is Fortran, not C. */ 938 939 #ifndef FTN_TRUE 940 #define FTN_TRUE TRUE 941 #endif 942 943 #ifndef FTN_FALSE 944 #define FTN_FALSE FALSE 945 #endif 946 947 typedef void (*microtask_t)(int *gtid, int *npr, ...); 948 949 #ifdef USE_VOLATILE_CAST 950 #define VOLATILE_CAST(x) (volatile x) 951 #else 952 #define VOLATILE_CAST(x) (x) 953 #endif 954 955 #define KMP_WAIT __kmp_wait_4 956 #define KMP_WAIT_PTR __kmp_wait_4_ptr 957 #define KMP_EQ __kmp_eq_4 958 #define KMP_NEQ __kmp_neq_4 959 #define KMP_LT __kmp_lt_4 960 #define KMP_GE __kmp_ge_4 961 #define KMP_LE __kmp_le_4 962 963 /* Workaround for Intel(R) 64 code gen bug when taking address of static array 964 * (Intel(R) 64 Tracker #138) */ 965 #if (KMP_ARCH_X86_64 || KMP_ARCH_PPC64) && KMP_OS_LINUX 966 #define STATIC_EFI2_WORKAROUND 967 #else 968 #define STATIC_EFI2_WORKAROUND static 969 #endif 970 971 // Support of BGET usage 972 #ifndef KMP_USE_BGET 973 #define KMP_USE_BGET 1 974 #endif 975 976 // Switches for OSS builds 977 #ifndef USE_CMPXCHG_FIX 978 #define USE_CMPXCHG_FIX 1 979 #endif 980 981 // Enable dynamic user lock 982 #define KMP_USE_DYNAMIC_LOCK 1 983 984 // Enable Intel(R) Transactional Synchronization Extensions (Intel(R) TSX) if 985 // dynamic user lock is turned on 986 #if KMP_USE_DYNAMIC_LOCK 987 // Visual studio can't handle the asm sections in this code 988 #define KMP_USE_TSX (KMP_ARCH_X86 || KMP_ARCH_X86_64) && !KMP_COMPILER_MSVC 989 #ifdef KMP_USE_ADAPTIVE_LOCKS 990 #undef KMP_USE_ADAPTIVE_LOCKS 991 #endif 992 #define KMP_USE_ADAPTIVE_LOCKS KMP_USE_TSX 993 #endif 994 995 // Enable tick time conversion of ticks to seconds 996 #if KMP_STATS_ENABLED 997 #define KMP_HAVE_TICK_TIME \ 998 (KMP_OS_LINUX && (KMP_MIC || KMP_ARCH_X86 || KMP_ARCH_X86_64)) 999 #endif 1000 1001 // Warning levels 1002 enum kmp_warnings_level { 1003 kmp_warnings_off = 0, /* No warnings */ 1004 kmp_warnings_low, /* Minimal warnings (default) */ 1005 kmp_warnings_explicit = 6, /* Explicitly set to ON - more warnings */ 1006 kmp_warnings_verbose /* reserved */ 1007 }; 1008 1009 #ifdef __cplusplus 1010 } // extern "C" 1011 #endif // __cplusplus 1012 1013 // Macros for C++11 atomic functions 1014 #define KMP_ATOMIC_LD(p, order) (p)->load(std::memory_order_##order) 1015 #define KMP_ATOMIC_OP(op, p, v, order) (p)->op(v, std::memory_order_##order) 1016 1017 // For non-default load/store 1018 #define KMP_ATOMIC_LD_ACQ(p) KMP_ATOMIC_LD(p, acquire) 1019 #define KMP_ATOMIC_LD_RLX(p) KMP_ATOMIC_LD(p, relaxed) 1020 #define KMP_ATOMIC_ST_REL(p, v) KMP_ATOMIC_OP(store, p, v, release) 1021 #define KMP_ATOMIC_ST_RLX(p, v) KMP_ATOMIC_OP(store, p, v, relaxed) 1022 1023 // For non-default fetch_<op> 1024 #define KMP_ATOMIC_ADD(p, v) KMP_ATOMIC_OP(fetch_add, p, v, acq_rel) 1025 #define KMP_ATOMIC_SUB(p, v) KMP_ATOMIC_OP(fetch_sub, p, v, acq_rel) 1026 #define KMP_ATOMIC_AND(p, v) KMP_ATOMIC_OP(fetch_and, p, v, acq_rel) 1027 #define KMP_ATOMIC_OR(p, v) KMP_ATOMIC_OP(fetch_or, p, v, acq_rel) 1028 #define KMP_ATOMIC_INC(p) KMP_ATOMIC_OP(fetch_add, p, 1, acq_rel) 1029 #define KMP_ATOMIC_DEC(p) KMP_ATOMIC_OP(fetch_sub, p, 1, acq_rel) 1030 #define KMP_ATOMIC_ADD_RLX(p, v) KMP_ATOMIC_OP(fetch_add, p, v, relaxed) 1031 #define KMP_ATOMIC_INC_RLX(p) KMP_ATOMIC_OP(fetch_add, p, 1, relaxed) 1032 1033 // Callers of the following functions cannot see the side effect on "expected". 1034 template <typename T> 1035 bool __kmp_atomic_compare_store(std::atomic<T> *p, T expected, T desired) { 1036 return p->compare_exchange_strong( 1037 expected, desired, std::memory_order_acq_rel, std::memory_order_relaxed); 1038 } 1039 1040 template <typename T> 1041 bool __kmp_atomic_compare_store_acq(std::atomic<T> *p, T expected, T desired) { 1042 return p->compare_exchange_strong( 1043 expected, desired, std::memory_order_acquire, std::memory_order_relaxed); 1044 } 1045 1046 template <typename T> 1047 bool __kmp_atomic_compare_store_rel(std::atomic<T> *p, T expected, T desired) { 1048 return p->compare_exchange_strong( 1049 expected, desired, std::memory_order_release, std::memory_order_relaxed); 1050 } 1051 1052 #endif /* KMP_OS_H */ 1053 // Safe C API 1054 #include "kmp_safe_c_api.h" 1055