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