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 342 #define KMP_WEAK_ATTRIBUTE __attribute__((weak)) 343 #else 344 #define KMP_WEAK_ATTRIBUTE /* Nothing */ 345 #endif 346 347 // Define KMP_VERSION_SYMBOL and KMP_EXPAND_NAME 348 #ifndef KMP_STR 349 #define KMP_STR(x) _KMP_STR(x) 350 #define _KMP_STR(x) #x 351 #endif 352 353 #ifdef KMP_USE_VERSION_SYMBOLS 354 // If using versioned symbols, KMP_EXPAND_NAME prepends 355 // __kmp_api_ to the real API name 356 #define KMP_EXPAND_NAME(api_name) _KMP_EXPAND_NAME(api_name) 357 #define _KMP_EXPAND_NAME(api_name) __kmp_api_##api_name 358 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) \ 359 _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, "VERSION") 360 #define _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, default_ver) \ 361 __typeof__(__kmp_api_##api_name) __kmp_api_##api_name##_##ver_num##_alias \ 362 __attribute__((alias(KMP_STR(__kmp_api_##api_name)))); \ 363 __asm__( \ 364 ".symver " KMP_STR(__kmp_api_##api_name##_##ver_num##_alias) "," KMP_STR( \ 365 api_name) "@" ver_str "\n\t"); \ 366 __asm__(".symver " KMP_STR(__kmp_api_##api_name) "," KMP_STR( \ 367 api_name) "@@" default_ver "\n\t") 368 #else // KMP_USE_VERSION_SYMBOLS 369 #define KMP_EXPAND_NAME(api_name) api_name 370 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) /* Nothing */ 371 #endif // KMP_USE_VERSION_SYMBOLS 372 373 /* Temporary note: if performance testing of this passes, we can remove 374 all references to KMP_DO_ALIGN and replace with KMP_ALIGN. */ 375 #define KMP_DO_ALIGN(bytes) KMP_ALIGN(bytes) 376 #define KMP_ALIGN_CACHE KMP_ALIGN(CACHE_LINE) 377 #define KMP_ALIGN_CACHE_INTERNODE KMP_ALIGN(INTERNODE_CACHE_LINE) 378 379 /* General purpose fence types for memory operations */ 380 enum kmp_mem_fence_type { 381 kmp_no_fence, /* No memory fence */ 382 kmp_acquire_fence, /* Acquire (read) memory fence */ 383 kmp_release_fence, /* Release (write) memory fence */ 384 kmp_full_fence /* Full (read+write) memory fence */ 385 }; 386 387 // Synchronization primitives 388 389 #if KMP_ASM_INTRINS && KMP_OS_WINDOWS 390 391 #if KMP_MSVC_COMPAT && !KMP_COMPILER_CLANG 392 #pragma intrinsic(InterlockedExchangeAdd) 393 #pragma intrinsic(InterlockedCompareExchange) 394 #pragma intrinsic(InterlockedExchange) 395 #pragma intrinsic(InterlockedExchange64) 396 #endif 397 398 // Using InterlockedIncrement / InterlockedDecrement causes a library loading 399 // ordering problem, so we use InterlockedExchangeAdd instead. 400 #define KMP_TEST_THEN_INC32(p) InterlockedExchangeAdd((volatile long *)(p), 1) 401 #define KMP_TEST_THEN_INC_ACQ32(p) \ 402 InterlockedExchangeAdd((volatile long *)(p), 1) 403 #define KMP_TEST_THEN_ADD4_32(p) InterlockedExchangeAdd((volatile long *)(p), 4) 404 #define KMP_TEST_THEN_ADD4_ACQ32(p) \ 405 InterlockedExchangeAdd((volatile long *)(p), 4) 406 #define KMP_TEST_THEN_DEC32(p) InterlockedExchangeAdd((volatile long *)(p), -1) 407 #define KMP_TEST_THEN_DEC_ACQ32(p) \ 408 InterlockedExchangeAdd((volatile long *)(p), -1) 409 #define KMP_TEST_THEN_ADD32(p, v) \ 410 InterlockedExchangeAdd((volatile long *)(p), (v)) 411 412 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \ 413 InterlockedCompareExchange((volatile long *)(p), (long)(sv), (long)(cv)) 414 415 #define KMP_XCHG_FIXED32(p, v) \ 416 InterlockedExchange((volatile long *)(p), (long)(v)) 417 #define KMP_XCHG_FIXED64(p, v) \ 418 InterlockedExchange64((volatile kmp_int64 *)(p), (kmp_int64)(v)) 419 420 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) { 421 kmp_int32 tmp = InterlockedExchange((volatile long *)p, *(long *)&v); 422 return *(kmp_real32 *)&tmp; 423 } 424 425 // Routines that we still need to implement in assembly. 426 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v); 427 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v); 428 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v); 429 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v); 430 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v); 431 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v); 432 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v); 433 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v); 434 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v); 435 436 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv, 437 kmp_int8 sv); 438 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv, 439 kmp_int16 sv); 440 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv, 441 kmp_int32 sv); 442 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv, 443 kmp_int64 sv); 444 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv, 445 kmp_int8 sv); 446 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p, 447 kmp_int16 cv, kmp_int16 sv); 448 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p, 449 kmp_int32 cv, kmp_int32 sv); 450 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p, 451 kmp_int64 cv, kmp_int64 sv); 452 453 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v); 454 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v); 455 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v); 456 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v); 457 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v); 458 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v); 459 460 //#define KMP_TEST_THEN_INC32(p) __kmp_test_then_add32((p), 1) 461 //#define KMP_TEST_THEN_INC_ACQ32(p) __kmp_test_then_add32((p), 1) 462 #define KMP_TEST_THEN_INC64(p) __kmp_test_then_add64((p), 1LL) 463 #define KMP_TEST_THEN_INC_ACQ64(p) __kmp_test_then_add64((p), 1LL) 464 //#define KMP_TEST_THEN_ADD4_32(p) __kmp_test_then_add32((p), 4) 465 //#define KMP_TEST_THEN_ADD4_ACQ32(p) __kmp_test_then_add32((p), 4) 466 #define KMP_TEST_THEN_ADD4_64(p) __kmp_test_then_add64((p), 4LL) 467 #define KMP_TEST_THEN_ADD4_ACQ64(p) __kmp_test_then_add64((p), 4LL) 468 //#define KMP_TEST_THEN_DEC32(p) __kmp_test_then_add32((p), -1) 469 //#define KMP_TEST_THEN_DEC_ACQ32(p) __kmp_test_then_add32((p), -1) 470 #define KMP_TEST_THEN_DEC64(p) __kmp_test_then_add64((p), -1LL) 471 #define KMP_TEST_THEN_DEC_ACQ64(p) __kmp_test_then_add64((p), -1LL) 472 //#define KMP_TEST_THEN_ADD32(p, v) __kmp_test_then_add32((p), (v)) 473 #define KMP_TEST_THEN_ADD8(p, v) __kmp_test_then_add8((p), (v)) 474 #define KMP_TEST_THEN_ADD64(p, v) __kmp_test_then_add64((p), (v)) 475 476 #define KMP_TEST_THEN_OR8(p, v) __kmp_test_then_or8((p), (v)) 477 #define KMP_TEST_THEN_AND8(p, v) __kmp_test_then_and8((p), (v)) 478 #define KMP_TEST_THEN_OR32(p, v) __kmp_test_then_or32((p), (v)) 479 #define KMP_TEST_THEN_AND32(p, v) __kmp_test_then_and32((p), (v)) 480 #define KMP_TEST_THEN_OR64(p, v) __kmp_test_then_or64((p), (v)) 481 #define KMP_TEST_THEN_AND64(p, v) __kmp_test_then_and64((p), (v)) 482 483 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \ 484 __kmp_compare_and_store8((p), (cv), (sv)) 485 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \ 486 __kmp_compare_and_store8((p), (cv), (sv)) 487 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \ 488 __kmp_compare_and_store16((p), (cv), (sv)) 489 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \ 490 __kmp_compare_and_store16((p), (cv), (sv)) 491 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \ 492 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 493 (kmp_int32)(sv)) 494 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \ 495 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 496 (kmp_int32)(sv)) 497 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 498 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 499 (kmp_int64)(sv)) 500 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 501 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 502 (kmp_int64)(sv)) 503 504 #if KMP_ARCH_X86 505 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 506 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 507 (kmp_int32)(sv)) 508 #else /* 64 bit pointers */ 509 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 510 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 511 (kmp_int64)(sv)) 512 #endif /* KMP_ARCH_X86 */ 513 514 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \ 515 __kmp_compare_and_store_ret8((p), (cv), (sv)) 516 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \ 517 __kmp_compare_and_store_ret16((p), (cv), (sv)) 518 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 519 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 520 (kmp_int64)(sv)) 521 522 #define KMP_XCHG_FIXED8(p, v) \ 523 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v)); 524 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v)); 525 //#define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v)); 526 //#define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v)); 527 //#define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v)); 528 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v)); 529 530 #elif (KMP_ASM_INTRINS && KMP_OS_UNIX) || !(KMP_ARCH_X86 || KMP_ARCH_X86_64) 531 532 /* cast p to correct type so that proper intrinsic will be used */ 533 #define KMP_TEST_THEN_INC32(p) \ 534 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1) 535 #define KMP_TEST_THEN_INC_ACQ32(p) \ 536 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1) 537 #if KMP_ARCH_MIPS 538 #define KMP_TEST_THEN_INC64(p) \ 539 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 540 #define KMP_TEST_THEN_INC_ACQ64(p) \ 541 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 542 #else 543 #define KMP_TEST_THEN_INC64(p) \ 544 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL) 545 #define KMP_TEST_THEN_INC_ACQ64(p) \ 546 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL) 547 #endif 548 #define KMP_TEST_THEN_ADD4_32(p) \ 549 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4) 550 #define KMP_TEST_THEN_ADD4_ACQ32(p) \ 551 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4) 552 #if KMP_ARCH_MIPS 553 #define KMP_TEST_THEN_ADD4_64(p) \ 554 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST) 555 #define KMP_TEST_THEN_ADD4_ACQ64(p) \ 556 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST) 557 #define KMP_TEST_THEN_DEC64(p) \ 558 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 559 #define KMP_TEST_THEN_DEC_ACQ64(p) \ 560 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 561 #else 562 #define KMP_TEST_THEN_ADD4_64(p) \ 563 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL) 564 #define KMP_TEST_THEN_ADD4_ACQ64(p) \ 565 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL) 566 #define KMP_TEST_THEN_DEC64(p) \ 567 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL) 568 #define KMP_TEST_THEN_DEC_ACQ64(p) \ 569 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL) 570 #endif 571 #define KMP_TEST_THEN_DEC32(p) \ 572 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1) 573 #define KMP_TEST_THEN_DEC_ACQ32(p) \ 574 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1) 575 #define KMP_TEST_THEN_ADD8(p, v) \ 576 __sync_fetch_and_add((volatile kmp_int8 *)(p), (kmp_int8)(v)) 577 #define KMP_TEST_THEN_ADD32(p, v) \ 578 __sync_fetch_and_add((volatile kmp_int32 *)(p), (kmp_int32)(v)) 579 #if KMP_ARCH_MIPS 580 #define KMP_TEST_THEN_ADD64(p, v) \ 581 __atomic_fetch_add((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \ 582 __ATOMIC_SEQ_CST) 583 #else 584 #define KMP_TEST_THEN_ADD64(p, v) \ 585 __sync_fetch_and_add((volatile kmp_int64 *)(p), (kmp_int64)(v)) 586 #endif 587 588 #define KMP_TEST_THEN_OR8(p, v) \ 589 __sync_fetch_and_or((volatile kmp_int8 *)(p), (kmp_int8)(v)) 590 #define KMP_TEST_THEN_AND8(p, v) \ 591 __sync_fetch_and_and((volatile kmp_int8 *)(p), (kmp_int8)(v)) 592 #define KMP_TEST_THEN_OR32(p, v) \ 593 __sync_fetch_and_or((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 594 #define KMP_TEST_THEN_AND32(p, v) \ 595 __sync_fetch_and_and((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 596 #if KMP_ARCH_MIPS 597 #define KMP_TEST_THEN_OR64(p, v) \ 598 __atomic_fetch_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \ 599 __ATOMIC_SEQ_CST) 600 #define KMP_TEST_THEN_AND64(p, v) \ 601 __atomic_fetch_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \ 602 __ATOMIC_SEQ_CST) 603 #else 604 #define KMP_TEST_THEN_OR64(p, v) \ 605 __sync_fetch_and_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 606 #define KMP_TEST_THEN_AND64(p, v) \ 607 __sync_fetch_and_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 608 #endif 609 610 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \ 611 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \ 612 (kmp_uint8)(sv)) 613 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \ 614 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \ 615 (kmp_uint8)(sv)) 616 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \ 617 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \ 618 (kmp_uint16)(sv)) 619 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \ 620 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \ 621 (kmp_uint16)(sv)) 622 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \ 623 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \ 624 (kmp_uint32)(sv)) 625 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \ 626 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \ 627 (kmp_uint32)(sv)) 628 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 629 __sync_bool_compare_and_swap((void *volatile *)(p), (void *)(cv), \ 630 (void *)(sv)) 631 632 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \ 633 __sync_val_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \ 634 (kmp_uint8)(sv)) 635 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \ 636 __sync_val_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \ 637 (kmp_uint16)(sv)) 638 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \ 639 __sync_val_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \ 640 (kmp_uint32)(sv)) 641 #if KMP_ARCH_MIPS 642 static inline bool mips_sync_bool_compare_and_swap( 643 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) { 644 return __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST, 645 __ATOMIC_SEQ_CST); 646 } 647 static inline bool mips_sync_val_compare_and_swap( 648 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) { 649 __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST, 650 __ATOMIC_SEQ_CST); 651 return cv; 652 } 653 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 654 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\ 655 (kmp_uint64)(sv)) 656 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 657 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\ 658 (kmp_uint64)(sv)) 659 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 660 mips_sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 661 (kmp_uint64)(sv)) 662 #else 663 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 664 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 665 (kmp_uint64)(sv)) 666 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 667 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 668 (kmp_uint64)(sv)) 669 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 670 __sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 671 (kmp_uint64)(sv)) 672 #endif 673 674 #define KMP_XCHG_FIXED8(p, v) \ 675 __sync_lock_test_and_set((volatile kmp_uint8 *)(p), (kmp_uint8)(v)) 676 #define KMP_XCHG_FIXED16(p, v) \ 677 __sync_lock_test_and_set((volatile kmp_uint16 *)(p), (kmp_uint16)(v)) 678 #define KMP_XCHG_FIXED32(p, v) \ 679 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 680 #define KMP_XCHG_FIXED64(p, v) \ 681 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 682 683 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) { 684 kmp_int32 tmp = 685 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), *(kmp_uint32 *)&v); 686 return *(kmp_real32 *)&tmp; 687 } 688 689 inline kmp_real64 KMP_XCHG_REAL64(volatile kmp_real64 *p, kmp_real64 v) { 690 kmp_int64 tmp = 691 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), *(kmp_uint64 *)&v); 692 return *(kmp_real64 *)&tmp; 693 } 694 695 #else 696 697 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v); 698 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v); 699 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v); 700 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v); 701 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v); 702 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v); 703 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v); 704 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v); 705 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v); 706 707 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv, 708 kmp_int8 sv); 709 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv, 710 kmp_int16 sv); 711 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv, 712 kmp_int32 sv); 713 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv, 714 kmp_int64 sv); 715 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv, 716 kmp_int8 sv); 717 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p, 718 kmp_int16 cv, kmp_int16 sv); 719 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p, 720 kmp_int32 cv, kmp_int32 sv); 721 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p, 722 kmp_int64 cv, kmp_int64 sv); 723 724 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v); 725 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v); 726 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v); 727 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v); 728 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v); 729 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v); 730 731 #define KMP_TEST_THEN_INC32(p) \ 732 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1) 733 #define KMP_TEST_THEN_INC_ACQ32(p) \ 734 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1) 735 #define KMP_TEST_THEN_INC64(p) \ 736 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL) 737 #define KMP_TEST_THEN_INC_ACQ64(p) \ 738 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL) 739 #define KMP_TEST_THEN_ADD4_32(p) \ 740 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4) 741 #define KMP_TEST_THEN_ADD4_ACQ32(p) \ 742 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4) 743 #define KMP_TEST_THEN_ADD4_64(p) \ 744 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL) 745 #define KMP_TEST_THEN_ADD4_ACQ64(p) \ 746 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL) 747 #define KMP_TEST_THEN_DEC32(p) \ 748 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1) 749 #define KMP_TEST_THEN_DEC_ACQ32(p) \ 750 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1) 751 #define KMP_TEST_THEN_DEC64(p) \ 752 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL) 753 #define KMP_TEST_THEN_DEC_ACQ64(p) \ 754 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL) 755 #define KMP_TEST_THEN_ADD8(p, v) \ 756 __kmp_test_then_add8((volatile kmp_int8 *)(p), (kmp_int8)(v)) 757 #define KMP_TEST_THEN_ADD32(p, v) \ 758 __kmp_test_then_add32((volatile kmp_int32 *)(p), (kmp_int32)(v)) 759 #define KMP_TEST_THEN_ADD64(p, v) \ 760 __kmp_test_then_add64((volatile kmp_int64 *)(p), (kmp_int64)(v)) 761 762 #define KMP_TEST_THEN_OR8(p, v) \ 763 __kmp_test_then_or8((volatile kmp_int8 *)(p), (kmp_int8)(v)) 764 #define KMP_TEST_THEN_AND8(p, v) \ 765 __kmp_test_then_and8((volatile kmp_int8 *)(p), (kmp_int8)(v)) 766 #define KMP_TEST_THEN_OR32(p, v) \ 767 __kmp_test_then_or32((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 768 #define KMP_TEST_THEN_AND32(p, v) \ 769 __kmp_test_then_and32((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 770 #define KMP_TEST_THEN_OR64(p, v) \ 771 __kmp_test_then_or64((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 772 #define KMP_TEST_THEN_AND64(p, v) \ 773 __kmp_test_then_and64((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 774 775 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \ 776 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \ 777 (kmp_int8)(sv)) 778 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \ 779 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \ 780 (kmp_int8)(sv)) 781 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \ 782 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \ 783 (kmp_int16)(sv)) 784 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \ 785 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \ 786 (kmp_int16)(sv)) 787 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \ 788 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 789 (kmp_int32)(sv)) 790 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \ 791 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 792 (kmp_int32)(sv)) 793 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 794 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 795 (kmp_int64)(sv)) 796 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 797 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 798 (kmp_int64)(sv)) 799 800 #if KMP_ARCH_X86 801 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 802 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 803 (kmp_int32)(sv)) 804 #else /* 64 bit pointers */ 805 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 806 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 807 (kmp_int64)(sv)) 808 #endif /* KMP_ARCH_X86 */ 809 810 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \ 811 __kmp_compare_and_store_ret8((p), (cv), (sv)) 812 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \ 813 __kmp_compare_and_store_ret16((p), (cv), (sv)) 814 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \ 815 __kmp_compare_and_store_ret32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 816 (kmp_int32)(sv)) 817 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 818 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 819 (kmp_int64)(sv)) 820 821 #define KMP_XCHG_FIXED8(p, v) \ 822 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v)); 823 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v)); 824 #define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v)); 825 #define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v)); 826 #define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v)); 827 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v)); 828 829 #endif /* KMP_ASM_INTRINS */ 830 831 /* ------------- relaxed consistency memory model stuff ------------------ */ 832 833 #if KMP_OS_WINDOWS 834 #ifdef __ABSOFT_WIN 835 #define KMP_MB() asm("nop") 836 #define KMP_IMB() asm("nop") 837 #else 838 #define KMP_MB() /* _asm{ nop } */ 839 #define KMP_IMB() /* _asm{ nop } */ 840 #endif 841 #endif /* KMP_OS_WINDOWS */ 842 843 #if KMP_ARCH_PPC64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS || \ 844 KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64 845 #define KMP_MB() __sync_synchronize() 846 #endif 847 848 #ifndef KMP_MB 849 #define KMP_MB() /* nothing to do */ 850 #endif 851 852 #ifndef KMP_IMB 853 #define KMP_IMB() /* nothing to do */ 854 #endif 855 856 #ifndef KMP_ST_REL32 857 #define KMP_ST_REL32(A, D) (*(A) = (D)) 858 #endif 859 860 #ifndef KMP_ST_REL64 861 #define KMP_ST_REL64(A, D) (*(A) = (D)) 862 #endif 863 864 #ifndef KMP_LD_ACQ32 865 #define KMP_LD_ACQ32(A) (*(A)) 866 #endif 867 868 #ifndef KMP_LD_ACQ64 869 #define KMP_LD_ACQ64(A) (*(A)) 870 #endif 871 872 /* ------------------------------------------------------------------------ */ 873 // FIXME - maybe this should this be 874 // 875 // #define TCR_4(a) (*(volatile kmp_int32 *)(&a)) 876 // #define TCW_4(a,b) (a) = (*(volatile kmp_int32 *)&(b)) 877 // 878 // #define TCR_8(a) (*(volatile kmp_int64 *)(a)) 879 // #define TCW_8(a,b) (a) = (*(volatile kmp_int64 *)(&b)) 880 // 881 // I'm fairly certain this is the correct thing to do, but I'm afraid 882 // of performance regressions. 883 884 #define TCR_1(a) (a) 885 #define TCW_1(a, b) (a) = (b) 886 #define TCR_4(a) (a) 887 #define TCW_4(a, b) (a) = (b) 888 #define TCI_4(a) (++(a)) 889 #define TCD_4(a) (--(a)) 890 #define TCR_8(a) (a) 891 #define TCW_8(a, b) (a) = (b) 892 #define TCI_8(a) (++(a)) 893 #define TCD_8(a) (--(a)) 894 #define TCR_SYNC_4(a) (a) 895 #define TCW_SYNC_4(a, b) (a) = (b) 896 #define TCX_SYNC_4(a, b, c) \ 897 KMP_COMPARE_AND_STORE_REL32((volatile kmp_int32 *)(volatile void *)&(a), \ 898 (kmp_int32)(b), (kmp_int32)(c)) 899 #define TCR_SYNC_8(a) (a) 900 #define TCW_SYNC_8(a, b) (a) = (b) 901 #define TCX_SYNC_8(a, b, c) \ 902 KMP_COMPARE_AND_STORE_REL64((volatile kmp_int64 *)(volatile void *)&(a), \ 903 (kmp_int64)(b), (kmp_int64)(c)) 904 905 #if KMP_ARCH_X86 || KMP_ARCH_MIPS 906 // What about ARM? 907 #define TCR_PTR(a) ((void *)TCR_4(a)) 908 #define TCW_PTR(a, b) TCW_4((a), (b)) 909 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_4(a)) 910 #define TCW_SYNC_PTR(a, b) TCW_SYNC_4((a), (b)) 911 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_4((a), (b), (c))) 912 913 #else /* 64 bit pointers */ 914 915 #define TCR_PTR(a) ((void *)TCR_8(a)) 916 #define TCW_PTR(a, b) TCW_8((a), (b)) 917 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_8(a)) 918 #define TCW_SYNC_PTR(a, b) TCW_SYNC_8((a), (b)) 919 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_8((a), (b), (c))) 920 921 #endif /* KMP_ARCH_X86 */ 922 923 /* If these FTN_{TRUE,FALSE} values change, may need to change several places 924 where they are used to check that language is Fortran, not C. */ 925 926 #ifndef FTN_TRUE 927 #define FTN_TRUE TRUE 928 #endif 929 930 #ifndef FTN_FALSE 931 #define FTN_FALSE FALSE 932 #endif 933 934 typedef void (*microtask_t)(int *gtid, int *npr, ...); 935 936 #ifdef USE_VOLATILE_CAST 937 #define VOLATILE_CAST(x) (volatile x) 938 #else 939 #define VOLATILE_CAST(x) (x) 940 #endif 941 942 #define KMP_WAIT __kmp_wait_4 943 #define KMP_WAIT_PTR __kmp_wait_4_ptr 944 #define KMP_EQ __kmp_eq_4 945 #define KMP_NEQ __kmp_neq_4 946 #define KMP_LT __kmp_lt_4 947 #define KMP_GE __kmp_ge_4 948 #define KMP_LE __kmp_le_4 949 950 /* Workaround for Intel(R) 64 code gen bug when taking address of static array 951 * (Intel(R) 64 Tracker #138) */ 952 #if (KMP_ARCH_X86_64 || KMP_ARCH_PPC64) && KMP_OS_LINUX 953 #define STATIC_EFI2_WORKAROUND 954 #else 955 #define STATIC_EFI2_WORKAROUND static 956 #endif 957 958 // Support of BGET usage 959 #ifndef KMP_USE_BGET 960 #define KMP_USE_BGET 1 961 #endif 962 963 // Switches for OSS builds 964 #ifndef USE_CMPXCHG_FIX 965 #define USE_CMPXCHG_FIX 1 966 #endif 967 968 // Enable dynamic user lock 969 #define KMP_USE_DYNAMIC_LOCK 1 970 971 // Enable Intel(R) Transactional Synchronization Extensions (Intel(R) TSX) if 972 // dynamic user lock is turned on 973 #if KMP_USE_DYNAMIC_LOCK 974 // Visual studio can't handle the asm sections in this code 975 #define KMP_USE_TSX (KMP_ARCH_X86 || KMP_ARCH_X86_64) && !KMP_COMPILER_MSVC 976 #ifdef KMP_USE_ADAPTIVE_LOCKS 977 #undef KMP_USE_ADAPTIVE_LOCKS 978 #endif 979 #define KMP_USE_ADAPTIVE_LOCKS KMP_USE_TSX 980 #endif 981 982 // Enable tick time conversion of ticks to seconds 983 #if KMP_STATS_ENABLED 984 #define KMP_HAVE_TICK_TIME \ 985 (KMP_OS_LINUX && (KMP_MIC || KMP_ARCH_X86 || KMP_ARCH_X86_64)) 986 #endif 987 988 // Warning levels 989 enum kmp_warnings_level { 990 kmp_warnings_off = 0, /* No warnings */ 991 kmp_warnings_low, /* Minimal warnings (default) */ 992 kmp_warnings_explicit = 6, /* Explicitly set to ON - more warnings */ 993 kmp_warnings_verbose /* reserved */ 994 }; 995 996 #ifdef __cplusplus 997 } // extern "C" 998 #endif // __cplusplus 999 1000 // Macros for C++11 atomic functions 1001 #define KMP_ATOMIC_LD(p, order) (p)->load(std::memory_order_##order) 1002 #define KMP_ATOMIC_OP(op, p, v, order) (p)->op(v, std::memory_order_##order) 1003 1004 // For non-default load/store 1005 #define KMP_ATOMIC_LD_ACQ(p) KMP_ATOMIC_LD(p, acquire) 1006 #define KMP_ATOMIC_LD_RLX(p) KMP_ATOMIC_LD(p, relaxed) 1007 #define KMP_ATOMIC_ST_REL(p, v) KMP_ATOMIC_OP(store, p, v, release) 1008 #define KMP_ATOMIC_ST_RLX(p, v) KMP_ATOMIC_OP(store, p, v, relaxed) 1009 1010 // For non-default fetch_<op> 1011 #define KMP_ATOMIC_ADD(p, v) KMP_ATOMIC_OP(fetch_add, p, v, acq_rel) 1012 #define KMP_ATOMIC_SUB(p, v) KMP_ATOMIC_OP(fetch_sub, p, v, acq_rel) 1013 #define KMP_ATOMIC_AND(p, v) KMP_ATOMIC_OP(fetch_and, p, v, acq_rel) 1014 #define KMP_ATOMIC_OR(p, v) KMP_ATOMIC_OP(fetch_or, p, v, acq_rel) 1015 #define KMP_ATOMIC_INC(p) KMP_ATOMIC_OP(fetch_add, p, 1, acq_rel) 1016 #define KMP_ATOMIC_DEC(p) KMP_ATOMIC_OP(fetch_sub, p, 1, acq_rel) 1017 #define KMP_ATOMIC_ADD_RLX(p, v) KMP_ATOMIC_OP(fetch_add, p, v, relaxed) 1018 #define KMP_ATOMIC_INC_RLX(p) KMP_ATOMIC_OP(fetch_add, p, 1, relaxed) 1019 1020 // Callers of the following functions cannot see the side effect on "expected". 1021 template <typename T> 1022 bool __kmp_atomic_compare_store(std::atomic<T> *p, T expected, T desired) { 1023 return p->compare_exchange_strong( 1024 expected, desired, std::memory_order_acq_rel, std::memory_order_relaxed); 1025 } 1026 1027 template <typename T> 1028 bool __kmp_atomic_compare_store_acq(std::atomic<T> *p, T expected, T desired) { 1029 return p->compare_exchange_strong( 1030 expected, desired, std::memory_order_acquire, std::memory_order_relaxed); 1031 } 1032 1033 template <typename T> 1034 bool __kmp_atomic_compare_store_rel(std::atomic<T> *p, T expected, T desired) { 1035 return p->compare_exchange_strong( 1036 expected, desired, std::memory_order_release, std::memory_order_relaxed); 1037 } 1038 1039 #endif /* KMP_OS_H */ 1040 // Safe C API 1041 #include "kmp_safe_c_api.h" 1042