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 */ 95typedef long double _Quad; 96#elif KMP_COMPILER_GCC 97/* GCC on NetBSD lacks __multc3/__divtc3 builtins needed for quad */ 98#if !KMP_OS_NETBSD 99typedef __float128 _Quad; 100#undef KMP_HAVE_QUAD 101#define KMP_HAVE_QUAD 1 102#endif 103#elif KMP_COMPILER_MSVC 104typedef long double _Quad; 105#endif 106#else 107#if __LDBL_MAX_EXP__ >= 16384 && KMP_COMPILER_GCC 108typedef 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" 117typedef char kmp_int8; 118typedef unsigned char kmp_uint8; 119typedef short kmp_int16; 120typedef unsigned short kmp_uint16; 121typedef int kmp_int32; 122typedef unsigned int kmp_uint32; 123#define KMP_INT32_SPEC "d" 124#define KMP_UINT32_SPEC "u" 125#ifndef KMP_STRUCT64 126typedef __int64 kmp_int64; 127typedef unsigned __int64 kmp_uint64; 128#define KMP_INT64_SPEC "I64d" 129#define KMP_UINT64_SPEC "I64u" 130#else 131struct kmp_struct64 { 132 kmp_int32 a, b; 133}; 134typedef struct kmp_struct64 kmp_int64; 135typedef 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 144typedef __int64 kmp_intptr_t; 145typedef 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" 153typedef char kmp_int8; 154typedef unsigned char kmp_uint8; 155typedef short kmp_int16; 156typedef unsigned short kmp_uint16; 157typedef int kmp_int32; 158typedef unsigned int kmp_uint32; 159typedef long long kmp_int64; 160typedef 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 182typedef size_t kmp_size_t; 183typedef float kmp_real32; 184typedef double kmp_real64; 185 186#ifndef KMP_INTPTR 187#define KMP_INTPTR 1 188typedef long kmp_intptr_t; 189typedef unsigned long kmp_uintptr_t; 190#define KMP_INTPTR_SPEC "ld" 191#define KMP_UINTPTR_SPEC "lu" 192#endif 193 194#ifdef BUILD_I8 195typedef kmp_int64 kmp_int; 196typedef kmp_uint64 kmp_uint; 197#else 198typedef kmp_int32 kmp_int; 199typedef 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) 207typedef va_list *kmp_va_list; 208#define kmp_va_deref(ap) (*(ap)) 209#define kmp_va_addr_of(ap) (&(ap)) 210#else 211typedef 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 223template <typename T> struct traits_t {}; 224// int 225template <> 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 235template <> 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 245template <> 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 253template <> 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 263template <> 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 287static 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 304extern "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 && !KMP_DYNAMIC_LIB 355#define KMP_WEAK_ATTRIBUTE_EXTERNAL __attribute__((weak)) 356#else 357#define KMP_WEAK_ATTRIBUTE_EXTERNAL /* Nothing */ 358#endif 359 360#if KMP_HAVE_WEAK_ATTRIBUTE 361#define KMP_WEAK_ATTRIBUTE_INTERNAL __attribute__((weak)) 362#else 363#define KMP_WEAK_ATTRIBUTE_INTERNAL /* Nothing */ 364#endif 365 366// Define KMP_VERSION_SYMBOL and KMP_EXPAND_NAME 367#ifndef KMP_STR 368#define KMP_STR(x) _KMP_STR(x) 369#define _KMP_STR(x) #x 370#endif 371 372#ifdef KMP_USE_VERSION_SYMBOLS 373// If using versioned symbols, KMP_EXPAND_NAME prepends 374// __kmp_api_ to the real API name 375#define KMP_EXPAND_NAME(api_name) _KMP_EXPAND_NAME(api_name) 376#define _KMP_EXPAND_NAME(api_name) __kmp_api_##api_name 377#define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) \ 378 _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, "VERSION") 379#define _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, default_ver) \ 380 __typeof__(__kmp_api_##api_name) __kmp_api_##api_name##_##ver_num##_alias \ 381 __attribute__((alias(KMP_STR(__kmp_api_##api_name)))); \ 382 __asm__( \ 383 ".symver " KMP_STR(__kmp_api_##api_name##_##ver_num##_alias) "," KMP_STR( \ 384 api_name) "@" ver_str "\n\t"); \ 385 __asm__(".symver " KMP_STR(__kmp_api_##api_name) "," KMP_STR( \ 386 api_name) "@@" default_ver "\n\t") 387#else // KMP_USE_VERSION_SYMBOLS 388#define KMP_EXPAND_NAME(api_name) api_name 389#define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) /* Nothing */ 390#endif // KMP_USE_VERSION_SYMBOLS 391 392/* Temporary note: if performance testing of this passes, we can remove 393 all references to KMP_DO_ALIGN and replace with KMP_ALIGN. */ 394#define KMP_DO_ALIGN(bytes) KMP_ALIGN(bytes) 395#define KMP_ALIGN_CACHE KMP_ALIGN(CACHE_LINE) 396#define KMP_ALIGN_CACHE_INTERNODE KMP_ALIGN(INTERNODE_CACHE_LINE) 397 398/* General purpose fence types for memory operations */ 399enum kmp_mem_fence_type { 400 kmp_no_fence, /* No memory fence */ 401 kmp_acquire_fence, /* Acquire (read) memory fence */ 402 kmp_release_fence, /* Release (write) memory fence */ 403 kmp_full_fence /* Full (read+write) memory fence */ 404}; 405 406// Synchronization primitives 407 408#if KMP_ASM_INTRINS && KMP_OS_WINDOWS 409 410#if KMP_MSVC_COMPAT && !KMP_COMPILER_CLANG 411#pragma intrinsic(InterlockedExchangeAdd) 412#pragma intrinsic(InterlockedCompareExchange) 413#pragma intrinsic(InterlockedExchange) 414#pragma intrinsic(InterlockedExchange64) 415#endif 416 417// Using InterlockedIncrement / InterlockedDecrement causes a library loading 418// ordering problem, so we use InterlockedExchangeAdd instead. 419#define KMP_TEST_THEN_INC32(p) InterlockedExchangeAdd((volatile long *)(p), 1) 420#define KMP_TEST_THEN_INC_ACQ32(p) \ 421 InterlockedExchangeAdd((volatile long *)(p), 1) 422#define KMP_TEST_THEN_ADD4_32(p) InterlockedExchangeAdd((volatile long *)(p), 4) 423#define KMP_TEST_THEN_ADD4_ACQ32(p) \ 424 InterlockedExchangeAdd((volatile long *)(p), 4) 425#define KMP_TEST_THEN_DEC32(p) InterlockedExchangeAdd((volatile long *)(p), -1) 426#define KMP_TEST_THEN_DEC_ACQ32(p) \ 427 InterlockedExchangeAdd((volatile long *)(p), -1) 428#define KMP_TEST_THEN_ADD32(p, v) \ 429 InterlockedExchangeAdd((volatile long *)(p), (v)) 430 431#define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \ 432 InterlockedCompareExchange((volatile long *)(p), (long)(sv), (long)(cv)) 433 434#define KMP_XCHG_FIXED32(p, v) \ 435 InterlockedExchange((volatile long *)(p), (long)(v)) 436#define KMP_XCHG_FIXED64(p, v) \ 437 InterlockedExchange64((volatile kmp_int64 *)(p), (kmp_int64)(v)) 438 439inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) { 440 kmp_int32 tmp = InterlockedExchange((volatile long *)p, *(long *)&v); 441 return *(kmp_real32 *)&tmp; 442} 443 444// Routines that we still need to implement in assembly. 445extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v); 446extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v); 447extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v); 448extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v); 449extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v); 450extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v); 451extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v); 452extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v); 453extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v); 454 455extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv, 456 kmp_int8 sv); 457extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv, 458 kmp_int16 sv); 459extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv, 460 kmp_int32 sv); 461extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv, 462 kmp_int64 sv); 463extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv, 464 kmp_int8 sv); 465extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p, 466 kmp_int16 cv, kmp_int16 sv); 467extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p, 468 kmp_int32 cv, kmp_int32 sv); 469extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p, 470 kmp_int64 cv, kmp_int64 sv); 471 472extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v); 473extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v); 474extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v); 475extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v); 476extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v); 477extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v); 478 479//#define KMP_TEST_THEN_INC32(p) __kmp_test_then_add32((p), 1) 480//#define KMP_TEST_THEN_INC_ACQ32(p) __kmp_test_then_add32((p), 1) 481#define KMP_TEST_THEN_INC64(p) __kmp_test_then_add64((p), 1LL) 482#define KMP_TEST_THEN_INC_ACQ64(p) __kmp_test_then_add64((p), 1LL) 483//#define KMP_TEST_THEN_ADD4_32(p) __kmp_test_then_add32((p), 4) 484//#define KMP_TEST_THEN_ADD4_ACQ32(p) __kmp_test_then_add32((p), 4) 485#define KMP_TEST_THEN_ADD4_64(p) __kmp_test_then_add64((p), 4LL) 486#define KMP_TEST_THEN_ADD4_ACQ64(p) __kmp_test_then_add64((p), 4LL) 487//#define KMP_TEST_THEN_DEC32(p) __kmp_test_then_add32((p), -1) 488//#define KMP_TEST_THEN_DEC_ACQ32(p) __kmp_test_then_add32((p), -1) 489#define KMP_TEST_THEN_DEC64(p) __kmp_test_then_add64((p), -1LL) 490#define KMP_TEST_THEN_DEC_ACQ64(p) __kmp_test_then_add64((p), -1LL) 491//#define KMP_TEST_THEN_ADD32(p, v) __kmp_test_then_add32((p), (v)) 492#define KMP_TEST_THEN_ADD8(p, v) __kmp_test_then_add8((p), (v)) 493#define KMP_TEST_THEN_ADD64(p, v) __kmp_test_then_add64((p), (v)) 494 495#define KMP_TEST_THEN_OR8(p, v) __kmp_test_then_or8((p), (v)) 496#define KMP_TEST_THEN_AND8(p, v) __kmp_test_then_and8((p), (v)) 497#define KMP_TEST_THEN_OR32(p, v) __kmp_test_then_or32((p), (v)) 498#define KMP_TEST_THEN_AND32(p, v) __kmp_test_then_and32((p), (v)) 499#define KMP_TEST_THEN_OR64(p, v) __kmp_test_then_or64((p), (v)) 500#define KMP_TEST_THEN_AND64(p, v) __kmp_test_then_and64((p), (v)) 501 502#define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \ 503 __kmp_compare_and_store8((p), (cv), (sv)) 504#define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \ 505 __kmp_compare_and_store8((p), (cv), (sv)) 506#define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \ 507 __kmp_compare_and_store16((p), (cv), (sv)) 508#define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \ 509 __kmp_compare_and_store16((p), (cv), (sv)) 510#define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \ 511 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 512 (kmp_int32)(sv)) 513#define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \ 514 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 515 (kmp_int32)(sv)) 516#define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 517 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 518 (kmp_int64)(sv)) 519#define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 520 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 521 (kmp_int64)(sv)) 522 523#if KMP_ARCH_X86 524#define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 525 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 526 (kmp_int32)(sv)) 527#else /* 64 bit pointers */ 528#define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 529 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 530 (kmp_int64)(sv)) 531#endif /* KMP_ARCH_X86 */ 532 533#define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \ 534 __kmp_compare_and_store_ret8((p), (cv), (sv)) 535#define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \ 536 __kmp_compare_and_store_ret16((p), (cv), (sv)) 537#define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 538 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 539 (kmp_int64)(sv)) 540 541#define KMP_XCHG_FIXED8(p, v) \ 542 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v)); 543#define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v)); 544//#define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v)); 545//#define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v)); 546//#define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v)); 547#define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v)); 548 549#elif (KMP_ASM_INTRINS && KMP_OS_UNIX) || !(KMP_ARCH_X86 || KMP_ARCH_X86_64) 550 551/* cast p to correct type so that proper intrinsic will be used */ 552#define KMP_TEST_THEN_INC32(p) \ 553 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1) 554#define KMP_TEST_THEN_INC_ACQ32(p) \ 555 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1) 556#if KMP_ARCH_MIPS 557#define KMP_TEST_THEN_INC64(p) \ 558 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 559#define KMP_TEST_THEN_INC_ACQ64(p) \ 560 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 561#else 562#define KMP_TEST_THEN_INC64(p) \ 563 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL) 564#define KMP_TEST_THEN_INC_ACQ64(p) \ 565 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL) 566#endif 567#define KMP_TEST_THEN_ADD4_32(p) \ 568 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4) 569#define KMP_TEST_THEN_ADD4_ACQ32(p) \ 570 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4) 571#if KMP_ARCH_MIPS 572#define KMP_TEST_THEN_ADD4_64(p) \ 573 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST) 574#define KMP_TEST_THEN_ADD4_ACQ64(p) \ 575 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST) 576#define KMP_TEST_THEN_DEC64(p) \ 577 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 578#define KMP_TEST_THEN_DEC_ACQ64(p) \ 579 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST) 580#else 581#define KMP_TEST_THEN_ADD4_64(p) \ 582 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL) 583#define KMP_TEST_THEN_ADD4_ACQ64(p) \ 584 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL) 585#define KMP_TEST_THEN_DEC64(p) \ 586 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL) 587#define KMP_TEST_THEN_DEC_ACQ64(p) \ 588 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL) 589#endif 590#define KMP_TEST_THEN_DEC32(p) \ 591 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1) 592#define KMP_TEST_THEN_DEC_ACQ32(p) \ 593 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1) 594#define KMP_TEST_THEN_ADD8(p, v) \ 595 __sync_fetch_and_add((volatile kmp_int8 *)(p), (kmp_int8)(v)) 596#define KMP_TEST_THEN_ADD32(p, v) \ 597 __sync_fetch_and_add((volatile kmp_int32 *)(p), (kmp_int32)(v)) 598#if KMP_ARCH_MIPS 599#define KMP_TEST_THEN_ADD64(p, v) \ 600 __atomic_fetch_add((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \ 601 __ATOMIC_SEQ_CST) 602#else 603#define KMP_TEST_THEN_ADD64(p, v) \ 604 __sync_fetch_and_add((volatile kmp_int64 *)(p), (kmp_int64)(v)) 605#endif 606 607#define KMP_TEST_THEN_OR8(p, v) \ 608 __sync_fetch_and_or((volatile kmp_int8 *)(p), (kmp_int8)(v)) 609#define KMP_TEST_THEN_AND8(p, v) \ 610 __sync_fetch_and_and((volatile kmp_int8 *)(p), (kmp_int8)(v)) 611#define KMP_TEST_THEN_OR32(p, v) \ 612 __sync_fetch_and_or((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 613#define KMP_TEST_THEN_AND32(p, v) \ 614 __sync_fetch_and_and((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 615#if KMP_ARCH_MIPS 616#define KMP_TEST_THEN_OR64(p, v) \ 617 __atomic_fetch_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \ 618 __ATOMIC_SEQ_CST) 619#define KMP_TEST_THEN_AND64(p, v) \ 620 __atomic_fetch_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \ 621 __ATOMIC_SEQ_CST) 622#else 623#define KMP_TEST_THEN_OR64(p, v) \ 624 __sync_fetch_and_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 625#define KMP_TEST_THEN_AND64(p, v) \ 626 __sync_fetch_and_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 627#endif 628 629#define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \ 630 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \ 631 (kmp_uint8)(sv)) 632#define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \ 633 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \ 634 (kmp_uint8)(sv)) 635#define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \ 636 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \ 637 (kmp_uint16)(sv)) 638#define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \ 639 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \ 640 (kmp_uint16)(sv)) 641#define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \ 642 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \ 643 (kmp_uint32)(sv)) 644#define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \ 645 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \ 646 (kmp_uint32)(sv)) 647#define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 648 __sync_bool_compare_and_swap((void *volatile *)(p), (void *)(cv), \ 649 (void *)(sv)) 650 651#define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \ 652 __sync_val_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \ 653 (kmp_uint8)(sv)) 654#define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \ 655 __sync_val_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \ 656 (kmp_uint16)(sv)) 657#define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \ 658 __sync_val_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \ 659 (kmp_uint32)(sv)) 660#if KMP_ARCH_MIPS 661static inline bool mips_sync_bool_compare_and_swap( 662 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) { 663 return __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST, 664 __ATOMIC_SEQ_CST); 665} 666static inline bool mips_sync_val_compare_and_swap( 667 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) { 668 __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST, 669 __ATOMIC_SEQ_CST); 670 return cv; 671} 672#define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 673 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\ 674 (kmp_uint64)(sv)) 675#define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 676 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\ 677 (kmp_uint64)(sv)) 678#define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 679 mips_sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 680 (kmp_uint64)(sv)) 681#else 682#define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 683 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 684 (kmp_uint64)(sv)) 685#define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 686 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 687 (kmp_uint64)(sv)) 688#define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 689 __sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \ 690 (kmp_uint64)(sv)) 691#endif 692 693#define KMP_XCHG_FIXED8(p, v) \ 694 __sync_lock_test_and_set((volatile kmp_uint8 *)(p), (kmp_uint8)(v)) 695#define KMP_XCHG_FIXED16(p, v) \ 696 __sync_lock_test_and_set((volatile kmp_uint16 *)(p), (kmp_uint16)(v)) 697#define KMP_XCHG_FIXED32(p, v) \ 698 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 699#define KMP_XCHG_FIXED64(p, v) \ 700 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 701 702inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) { 703 kmp_int32 tmp = 704 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), *(kmp_uint32 *)&v); 705 return *(kmp_real32 *)&tmp; 706} 707 708inline kmp_real64 KMP_XCHG_REAL64(volatile kmp_real64 *p, kmp_real64 v) { 709 kmp_int64 tmp = 710 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), *(kmp_uint64 *)&v); 711 return *(kmp_real64 *)&tmp; 712} 713 714#else 715 716extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v); 717extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v); 718extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v); 719extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v); 720extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v); 721extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v); 722extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v); 723extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v); 724extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v); 725 726extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv, 727 kmp_int8 sv); 728extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv, 729 kmp_int16 sv); 730extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv, 731 kmp_int32 sv); 732extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv, 733 kmp_int64 sv); 734extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv, 735 kmp_int8 sv); 736extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p, 737 kmp_int16 cv, kmp_int16 sv); 738extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p, 739 kmp_int32 cv, kmp_int32 sv); 740extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p, 741 kmp_int64 cv, kmp_int64 sv); 742 743extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v); 744extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v); 745extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v); 746extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v); 747extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v); 748extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v); 749 750#define KMP_TEST_THEN_INC32(p) \ 751 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1) 752#define KMP_TEST_THEN_INC_ACQ32(p) \ 753 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1) 754#define KMP_TEST_THEN_INC64(p) \ 755 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL) 756#define KMP_TEST_THEN_INC_ACQ64(p) \ 757 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL) 758#define KMP_TEST_THEN_ADD4_32(p) \ 759 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4) 760#define KMP_TEST_THEN_ADD4_ACQ32(p) \ 761 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4) 762#define KMP_TEST_THEN_ADD4_64(p) \ 763 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL) 764#define KMP_TEST_THEN_ADD4_ACQ64(p) \ 765 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL) 766#define KMP_TEST_THEN_DEC32(p) \ 767 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1) 768#define KMP_TEST_THEN_DEC_ACQ32(p) \ 769 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1) 770#define KMP_TEST_THEN_DEC64(p) \ 771 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL) 772#define KMP_TEST_THEN_DEC_ACQ64(p) \ 773 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL) 774#define KMP_TEST_THEN_ADD8(p, v) \ 775 __kmp_test_then_add8((volatile kmp_int8 *)(p), (kmp_int8)(v)) 776#define KMP_TEST_THEN_ADD32(p, v) \ 777 __kmp_test_then_add32((volatile kmp_int32 *)(p), (kmp_int32)(v)) 778#define KMP_TEST_THEN_ADD64(p, v) \ 779 __kmp_test_then_add64((volatile kmp_int64 *)(p), (kmp_int64)(v)) 780 781#define KMP_TEST_THEN_OR8(p, v) \ 782 __kmp_test_then_or8((volatile kmp_int8 *)(p), (kmp_int8)(v)) 783#define KMP_TEST_THEN_AND8(p, v) \ 784 __kmp_test_then_and8((volatile kmp_int8 *)(p), (kmp_int8)(v)) 785#define KMP_TEST_THEN_OR32(p, v) \ 786 __kmp_test_then_or32((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 787#define KMP_TEST_THEN_AND32(p, v) \ 788 __kmp_test_then_and32((volatile kmp_uint32 *)(p), (kmp_uint32)(v)) 789#define KMP_TEST_THEN_OR64(p, v) \ 790 __kmp_test_then_or64((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 791#define KMP_TEST_THEN_AND64(p, v) \ 792 __kmp_test_then_and64((volatile kmp_uint64 *)(p), (kmp_uint64)(v)) 793 794#define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \ 795 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \ 796 (kmp_int8)(sv)) 797#define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \ 798 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \ 799 (kmp_int8)(sv)) 800#define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \ 801 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \ 802 (kmp_int16)(sv)) 803#define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \ 804 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \ 805 (kmp_int16)(sv)) 806#define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \ 807 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 808 (kmp_int32)(sv)) 809#define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \ 810 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 811 (kmp_int32)(sv)) 812#define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \ 813 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 814 (kmp_int64)(sv)) 815#define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \ 816 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 817 (kmp_int64)(sv)) 818 819#if KMP_ARCH_X86 820#define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 821 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 822 (kmp_int32)(sv)) 823#else /* 64 bit pointers */ 824#define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \ 825 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 826 (kmp_int64)(sv)) 827#endif /* KMP_ARCH_X86 */ 828 829#define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \ 830 __kmp_compare_and_store_ret8((p), (cv), (sv)) 831#define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \ 832 __kmp_compare_and_store_ret16((p), (cv), (sv)) 833#define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \ 834 __kmp_compare_and_store_ret32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \ 835 (kmp_int32)(sv)) 836#define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \ 837 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \ 838 (kmp_int64)(sv)) 839 840#define KMP_XCHG_FIXED8(p, v) \ 841 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v)); 842#define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v)); 843#define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v)); 844#define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v)); 845#define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v)); 846#define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v)); 847 848#endif /* KMP_ASM_INTRINS */ 849 850/* ------------- relaxed consistency memory model stuff ------------------ */ 851 852#if KMP_OS_WINDOWS 853#ifdef __ABSOFT_WIN 854#define KMP_MB() asm("nop") 855#define KMP_IMB() asm("nop") 856#else 857#define KMP_MB() /* _asm{ nop } */ 858#define KMP_IMB() /* _asm{ nop } */ 859#endif 860#endif /* KMP_OS_WINDOWS */ 861 862#if KMP_ARCH_PPC64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS || \ 863 KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64 864#define KMP_MB() __sync_synchronize() 865#endif 866 867#ifndef KMP_MB 868#define KMP_MB() /* nothing to do */ 869#endif 870 871#ifndef KMP_IMB 872#define KMP_IMB() /* nothing to do */ 873#endif 874 875#ifndef KMP_ST_REL32 876#define KMP_ST_REL32(A, D) (*(A) = (D)) 877#endif 878 879#ifndef KMP_ST_REL64 880#define KMP_ST_REL64(A, D) (*(A) = (D)) 881#endif 882 883#ifndef KMP_LD_ACQ32 884#define KMP_LD_ACQ32(A) (*(A)) 885#endif 886 887#ifndef KMP_LD_ACQ64 888#define KMP_LD_ACQ64(A) (*(A)) 889#endif 890 891/* ------------------------------------------------------------------------ */ 892// FIXME - maybe this should this be 893// 894// #define TCR_4(a) (*(volatile kmp_int32 *)(&a)) 895// #define TCW_4(a,b) (a) = (*(volatile kmp_int32 *)&(b)) 896// 897// #define TCR_8(a) (*(volatile kmp_int64 *)(a)) 898// #define TCW_8(a,b) (a) = (*(volatile kmp_int64 *)(&b)) 899// 900// I'm fairly certain this is the correct thing to do, but I'm afraid 901// of performance regressions. 902 903#define TCR_1(a) (a) 904#define TCW_1(a, b) (a) = (b) 905#define TCR_4(a) (a) 906#define TCW_4(a, b) (a) = (b) 907#define TCI_4(a) (++(a)) 908#define TCD_4(a) (--(a)) 909#define TCR_8(a) (a) 910#define TCW_8(a, b) (a) = (b) 911#define TCI_8(a) (++(a)) 912#define TCD_8(a) (--(a)) 913#define TCR_SYNC_4(a) (a) 914#define TCW_SYNC_4(a, b) (a) = (b) 915#define TCX_SYNC_4(a, b, c) \ 916 KMP_COMPARE_AND_STORE_REL32((volatile kmp_int32 *)(volatile void *)&(a), \ 917 (kmp_int32)(b), (kmp_int32)(c)) 918#define TCR_SYNC_8(a) (a) 919#define TCW_SYNC_8(a, b) (a) = (b) 920#define TCX_SYNC_8(a, b, c) \ 921 KMP_COMPARE_AND_STORE_REL64((volatile kmp_int64 *)(volatile void *)&(a), \ 922 (kmp_int64)(b), (kmp_int64)(c)) 923 924#if KMP_ARCH_X86 || KMP_ARCH_MIPS 925// What about ARM? 926#define TCR_PTR(a) ((void *)TCR_4(a)) 927#define TCW_PTR(a, b) TCW_4((a), (b)) 928#define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_4(a)) 929#define TCW_SYNC_PTR(a, b) TCW_SYNC_4((a), (b)) 930#define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_4((a), (b), (c))) 931 932#else /* 64 bit pointers */ 933 934#define TCR_PTR(a) ((void *)TCR_8(a)) 935#define TCW_PTR(a, b) TCW_8((a), (b)) 936#define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_8(a)) 937#define TCW_SYNC_PTR(a, b) TCW_SYNC_8((a), (b)) 938#define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_8((a), (b), (c))) 939 940#endif /* KMP_ARCH_X86 */ 941 942/* If these FTN_{TRUE,FALSE} values change, may need to change several places 943 where they are used to check that language is Fortran, not C. */ 944 945#ifndef FTN_TRUE 946#define FTN_TRUE TRUE 947#endif 948 949#ifndef FTN_FALSE 950#define FTN_FALSE FALSE 951#endif 952 953typedef void (*microtask_t)(int *gtid, int *npr, ...); 954 955#ifdef USE_VOLATILE_CAST 956#define VOLATILE_CAST(x) (volatile x) 957#else 958#define VOLATILE_CAST(x) (x) 959#endif 960 961#define KMP_WAIT __kmp_wait_4 962#define KMP_WAIT_PTR __kmp_wait_4_ptr 963#define KMP_EQ __kmp_eq_4 964#define KMP_NEQ __kmp_neq_4 965#define KMP_LT __kmp_lt_4 966#define KMP_GE __kmp_ge_4 967#define KMP_LE __kmp_le_4 968 969/* Workaround for Intel(R) 64 code gen bug when taking address of static array 970 * (Intel(R) 64 Tracker #138) */ 971#if (KMP_ARCH_X86_64 || KMP_ARCH_PPC64) && KMP_OS_LINUX 972#define STATIC_EFI2_WORKAROUND 973#else 974#define STATIC_EFI2_WORKAROUND static 975#endif 976 977// Support of BGET usage 978#ifndef KMP_USE_BGET 979#define KMP_USE_BGET 1 980#endif 981 982// Switches for OSS builds 983#ifndef USE_CMPXCHG_FIX 984#define USE_CMPXCHG_FIX 1 985#endif 986 987// Enable dynamic user lock 988#define KMP_USE_DYNAMIC_LOCK 1 989 990// Enable Intel(R) Transactional Synchronization Extensions (Intel(R) TSX) if 991// dynamic user lock is turned on 992#if KMP_USE_DYNAMIC_LOCK 993// Visual studio can't handle the asm sections in this code 994#define KMP_USE_TSX (KMP_ARCH_X86 || KMP_ARCH_X86_64) && !KMP_COMPILER_MSVC 995#ifdef KMP_USE_ADAPTIVE_LOCKS 996#undef KMP_USE_ADAPTIVE_LOCKS 997#endif 998#define KMP_USE_ADAPTIVE_LOCKS KMP_USE_TSX 999#endif 1000 1001// Enable tick time conversion of ticks to seconds 1002#if KMP_STATS_ENABLED 1003#define KMP_HAVE_TICK_TIME \ 1004 (KMP_OS_LINUX && (KMP_MIC || KMP_ARCH_X86 || KMP_ARCH_X86_64)) 1005#endif 1006 1007// Warning levels 1008enum kmp_warnings_level { 1009 kmp_warnings_off = 0, /* No warnings */ 1010 kmp_warnings_low, /* Minimal warnings (default) */ 1011 kmp_warnings_explicit = 6, /* Explicitly set to ON - more warnings */ 1012 kmp_warnings_verbose /* reserved */ 1013}; 1014 1015#ifdef __cplusplus 1016} // extern "C" 1017#endif // __cplusplus 1018 1019// Macros for C++11 atomic functions 1020#define KMP_ATOMIC_LD(p, order) (p)->load(std::memory_order_##order) 1021#define KMP_ATOMIC_OP(op, p, v, order) (p)->op(v, std::memory_order_##order) 1022 1023// For non-default load/store 1024#define KMP_ATOMIC_LD_ACQ(p) KMP_ATOMIC_LD(p, acquire) 1025#define KMP_ATOMIC_LD_RLX(p) KMP_ATOMIC_LD(p, relaxed) 1026#define KMP_ATOMIC_ST_REL(p, v) KMP_ATOMIC_OP(store, p, v, release) 1027#define KMP_ATOMIC_ST_RLX(p, v) KMP_ATOMIC_OP(store, p, v, relaxed) 1028 1029// For non-default fetch_<op> 1030#define KMP_ATOMIC_ADD(p, v) KMP_ATOMIC_OP(fetch_add, p, v, acq_rel) 1031#define KMP_ATOMIC_SUB(p, v) KMP_ATOMIC_OP(fetch_sub, p, v, acq_rel) 1032#define KMP_ATOMIC_AND(p, v) KMP_ATOMIC_OP(fetch_and, p, v, acq_rel) 1033#define KMP_ATOMIC_OR(p, v) KMP_ATOMIC_OP(fetch_or, p, v, acq_rel) 1034#define KMP_ATOMIC_INC(p) KMP_ATOMIC_OP(fetch_add, p, 1, acq_rel) 1035#define KMP_ATOMIC_DEC(p) KMP_ATOMIC_OP(fetch_sub, p, 1, acq_rel) 1036#define KMP_ATOMIC_ADD_RLX(p, v) KMP_ATOMIC_OP(fetch_add, p, v, relaxed) 1037#define KMP_ATOMIC_INC_RLX(p) KMP_ATOMIC_OP(fetch_add, p, 1, relaxed) 1038 1039// Callers of the following functions cannot see the side effect on "expected". 1040template <typename T> 1041bool __kmp_atomic_compare_store(std::atomic<T> *p, T expected, T desired) { 1042 return p->compare_exchange_strong( 1043 expected, desired, std::memory_order_acq_rel, std::memory_order_relaxed); 1044} 1045 1046template <typename T> 1047bool __kmp_atomic_compare_store_acq(std::atomic<T> *p, T expected, T desired) { 1048 return p->compare_exchange_strong( 1049 expected, desired, std::memory_order_acquire, std::memory_order_relaxed); 1050} 1051 1052template <typename T> 1053bool __kmp_atomic_compare_store_rel(std::atomic<T> *p, T expected, T desired) { 1054 return p->compare_exchange_strong( 1055 expected, desired, std::memory_order_release, std::memory_order_relaxed); 1056} 1057 1058#endif /* KMP_OS_H */ 1059// Safe C API 1060#include "kmp_safe_c_api.h" 1061