2 * kmp_os.h -- KPTS runtime header file.
5 //===----------------------------------------------------------------------===//
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
11 //===----------------------------------------------------------------------===//
16 #include "kmp_config.h"
20 #define KMP_FTN_PLAIN 1
21 #define KMP_FTN_APPEND 2
22 #define KMP_FTN_UPPER 3
24 #define KMP_FTN_PREPEND 4
25 #define KMP_FTN_UAPPEND 5
28 #define KMP_PTR_SKIP (sizeof(void *))
30 /* -------------------------- Compiler variations ------------------------ */
35 #define KMP_MEM_CONS_VOLATILE 0
36 #define KMP_MEM_CONS_FENCE 1
38 #ifndef KMP_MEM_CONS_MODEL
39 #define KMP_MEM_CONS_MODEL KMP_MEM_CONS_VOLATILE
42 #ifndef __has_cpp_attribute
43 #define __has_cpp_attribute(x) 0
46 #ifndef __has_attribute
47 #define __has_attribute(x) 0
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
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
69 #error Unknown compiler
72 #if (KMP_OS_LINUX || KMP_OS_WINDOWS) && !KMP_OS_CNK
73 #define KMP_AFFINITY_SUPPORTED 1
74 #if KMP_OS_WINDOWS && KMP_ARCH_X86_64
75 #define KMP_GROUP_AFFINITY 1
77 #define KMP_GROUP_AFFINITY 0
80 #define KMP_AFFINITY_SUPPORTED 0
81 #define KMP_GROUP_AFFINITY 0
84 /* Check for quad-precision extension. */
85 #define KMP_HAVE_QUAD 0
86 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
88 /* _Quad is already defined for icc */
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 */
98 typedef __float128 _Quad;
100 #define KMP_HAVE_QUAD 1
102 #elif KMP_COMPILER_MSVC
103 typedef long double _Quad;
106 #if __LDBL_MAX_EXP__ >= 16384 && KMP_COMPILER_GCC
107 typedef long double _Quad;
109 #define KMP_HAVE_QUAD 1
111 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
113 #define KMP_USE_X87CONTROL 0
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"
125 typedef __int64 kmp_int64;
126 typedef unsigned __int64 kmp_uint64;
127 #define KMP_INT64_SPEC "I64d"
128 #define KMP_UINT64_SPEC "I64u"
130 struct kmp_struct64 {
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 */
137 #if KMP_ARCH_X86 && KMP_MSVC_COMPAT
138 #undef KMP_USE_X87CONTROL
139 #define KMP_USE_X87CONTROL 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"
148 #endif /* KMP_OS_WINDOWS */
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 */
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 || KMP_ARCH_MIPS64
169 #define KMP_SIZE_T_SPEC KMP_UINT64_SPEC
171 #error "Can't determine size_t printf format specifier."
175 #define KMP_SIZE_T_MAX (0xFFFFFFFF)
177 #define KMP_SIZE_T_MAX (0xFFFFFFFFFFFFFFFF)
180 typedef size_t kmp_size_t;
181 typedef float kmp_real32;
182 typedef double kmp_real64;
186 typedef long kmp_intptr_t;
187 typedef unsigned long kmp_uintptr_t;
188 #define KMP_INTPTR_SPEC "ld"
189 #define KMP_UINTPTR_SPEC "lu"
193 typedef kmp_int64 kmp_int;
194 typedef kmp_uint64 kmp_uint;
196 typedef kmp_int32 kmp_int;
197 typedef kmp_uint32 kmp_uint;
198 #endif /* BUILD_I8 */
199 #define KMP_INT_MAX ((kmp_int32)0x7FFFFFFF)
200 #define KMP_INT_MIN ((kmp_int32)0x80000000)
203 // macros to cast out qualifiers and to re-interpret types
204 #define CCAST(type, var) const_cast<type>(var)
205 #define RCAST(type, var) reinterpret_cast<type>(var)
206 //-------------------------------------------------------------------------
207 // template for debug prints specification ( d, u, lld, llu ), and to obtain
208 // signed/unsigned flavors of a type
209 template <typename T> struct traits_t {};
211 template <> struct traits_t<signed int> {
212 typedef signed int signed_t;
213 typedef unsigned int unsigned_t;
214 typedef double floating_t;
215 static char const *spec;
216 static const signed_t max_value = 0x7fffffff;
217 static const signed_t min_value = 0x80000000;
218 static const int type_size = sizeof(signed_t);
221 template <> struct traits_t<unsigned int> {
222 typedef signed int signed_t;
223 typedef unsigned int unsigned_t;
224 typedef double floating_t;
225 static char const *spec;
226 static const unsigned_t max_value = 0xffffffff;
227 static const unsigned_t min_value = 0x00000000;
228 static const int type_size = sizeof(unsigned_t);
231 template <> struct traits_t<signed long> {
232 typedef signed long signed_t;
233 typedef unsigned long unsigned_t;
234 typedef long double floating_t;
235 static char const *spec;
236 static const int type_size = sizeof(signed_t);
239 template <> struct traits_t<signed long long> {
240 typedef signed long long signed_t;
241 typedef unsigned long long unsigned_t;
242 typedef long double floating_t;
243 static char const *spec;
244 static const signed_t max_value = 0x7fffffffffffffffLL;
245 static const signed_t min_value = 0x8000000000000000LL;
246 static const int type_size = sizeof(signed_t);
248 // unsigned long long
249 template <> struct traits_t<unsigned long long> {
250 typedef signed long long signed_t;
251 typedef unsigned long long unsigned_t;
252 typedef long double floating_t;
253 static char const *spec;
254 static const unsigned_t max_value = 0xffffffffffffffffLL;
255 static const unsigned_t min_value = 0x0000000000000000LL;
256 static const int type_size = sizeof(unsigned_t);
258 //-------------------------------------------------------------------------
260 #define CCAST(type, var) (type)(var)
261 #define RCAST(type, var) (type)(var)
262 #endif // __cplusplus
264 #define KMP_EXPORT extern /* export declaration in guide libraries */
266 #if __GNUC__ >= 4 && !defined(__MINGW32__)
267 #define __forceinline __inline
273 static inline int KMP_GET_PAGE_SIZE(void) {
276 return si.dwPageSize;
279 #define KMP_GET_PAGE_SIZE() getpagesize()
282 #define PAGE_ALIGNED(_addr) \
283 (!((size_t)_addr & (size_t)(KMP_GET_PAGE_SIZE() - 1)))
284 #define ALIGN_TO_PAGE(x) \
285 (void *)(((size_t)(x)) & ~((size_t)(KMP_GET_PAGE_SIZE() - 1)))
287 /* ---------- Support for cache alignment, padding, etc. ----------------*/
291 #endif // __cplusplus
293 #define INTERNODE_CACHE_LINE 4096 /* for multi-node systems */
295 /* Define the default size of the cache line */
297 #define CACHE_LINE 128 /* cache line size in bytes */
299 #if (CACHE_LINE < 64) && !defined(KMP_OS_DARWIN)
300 // 2006-02-13: This produces too many warnings on OS X*. Disable for now
301 #warning CACHE_LINE is too small.
303 #endif /* CACHE_LINE */
305 #define KMP_CACHE_PREFETCH(ADDR) /* nothing */
307 // Define attribute that indicates that the fall through from the previous
308 // case label is intentional and should not be diagnosed by a compiler
309 // Code from libcxx/include/__config
310 // Use a function like macro to imply that it must be followed by a semicolon
311 #if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
312 # define KMP_FALLTHROUGH() [[fallthrough]]
313 #elif __has_cpp_attribute(clang::fallthrough)
314 # define KMP_FALLTHROUGH() [[clang::fallthrough]]
315 #elif __has_attribute(fallthough) || __GNUC__ >= 7
316 # define KMP_FALLTHROUGH() __attribute__((__fallthrough__))
318 # define KMP_FALLTHROUGH() ((void)0)
321 // Define attribute that indicates a function does not return
322 #if __cplusplus >= 201103L
323 #define KMP_NORETURN [[noreturn]]
325 #define KMP_NORETURN __declspec(noreturn)
327 #define KMP_NORETURN __attribute__((noreturn))
330 #if KMP_OS_WINDOWS && KMP_MSVC_COMPAT
331 #define KMP_ALIGN(bytes) __declspec(align(bytes))
332 #define KMP_THREAD_LOCAL __declspec(thread)
333 #define KMP_ALIAS /* Nothing */
335 #define KMP_ALIGN(bytes) __attribute__((aligned(bytes)))
336 #define KMP_THREAD_LOCAL __thread
337 #define KMP_ALIAS(alias_of) __attribute__((alias(alias_of)))
340 #if KMP_HAVE_WEAK_ATTRIBUTE
341 #define KMP_WEAK_ATTRIBUTE __attribute__((weak))
343 #define KMP_WEAK_ATTRIBUTE /* Nothing */
346 // Define KMP_VERSION_SYMBOL and KMP_EXPAND_NAME
348 #define KMP_STR(x) _KMP_STR(x)
349 #define _KMP_STR(x) #x
352 #ifdef KMP_USE_VERSION_SYMBOLS
353 // If using versioned symbols, KMP_EXPAND_NAME prepends
354 // __kmp_api_ to the real API name
355 #define KMP_EXPAND_NAME(api_name) _KMP_EXPAND_NAME(api_name)
356 #define _KMP_EXPAND_NAME(api_name) __kmp_api_##api_name
357 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) \
358 _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, "VERSION")
359 #define _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, default_ver) \
360 __typeof__(__kmp_api_##api_name) __kmp_api_##api_name##_##ver_num##_alias \
361 __attribute__((alias(KMP_STR(__kmp_api_##api_name)))); \
363 ".symver " KMP_STR(__kmp_api_##api_name##_##ver_num##_alias) "," KMP_STR( \
364 api_name) "@" ver_str "\n\t"); \
365 __asm__(".symver " KMP_STR(__kmp_api_##api_name) "," KMP_STR( \
366 api_name) "@@" default_ver "\n\t")
367 #else // KMP_USE_VERSION_SYMBOLS
368 #define KMP_EXPAND_NAME(api_name) api_name
369 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) /* Nothing */
370 #endif // KMP_USE_VERSION_SYMBOLS
372 /* Temporary note: if performance testing of this passes, we can remove
373 all references to KMP_DO_ALIGN and replace with KMP_ALIGN. */
374 #define KMP_DO_ALIGN(bytes) KMP_ALIGN(bytes)
375 #define KMP_ALIGN_CACHE KMP_ALIGN(CACHE_LINE)
376 #define KMP_ALIGN_CACHE_INTERNODE KMP_ALIGN(INTERNODE_CACHE_LINE)
378 /* General purpose fence types for memory operations */
379 enum kmp_mem_fence_type {
380 kmp_no_fence, /* No memory fence */
381 kmp_acquire_fence, /* Acquire (read) memory fence */
382 kmp_release_fence, /* Release (write) memory fence */
383 kmp_full_fence /* Full (read+write) memory fence */
386 // Synchronization primitives
388 #if KMP_ASM_INTRINS && KMP_OS_WINDOWS
390 #if KMP_MSVC_COMPAT && !KMP_COMPILER_CLANG
391 #pragma intrinsic(InterlockedExchangeAdd)
392 #pragma intrinsic(InterlockedCompareExchange)
393 #pragma intrinsic(InterlockedExchange)
394 #pragma intrinsic(InterlockedExchange64)
397 // Using InterlockedIncrement / InterlockedDecrement causes a library loading
398 // ordering problem, so we use InterlockedExchangeAdd instead.
399 #define KMP_TEST_THEN_INC32(p) InterlockedExchangeAdd((volatile long *)(p), 1)
400 #define KMP_TEST_THEN_INC_ACQ32(p) \
401 InterlockedExchangeAdd((volatile long *)(p), 1)
402 #define KMP_TEST_THEN_ADD4_32(p) InterlockedExchangeAdd((volatile long *)(p), 4)
403 #define KMP_TEST_THEN_ADD4_ACQ32(p) \
404 InterlockedExchangeAdd((volatile long *)(p), 4)
405 #define KMP_TEST_THEN_DEC32(p) InterlockedExchangeAdd((volatile long *)(p), -1)
406 #define KMP_TEST_THEN_DEC_ACQ32(p) \
407 InterlockedExchangeAdd((volatile long *)(p), -1)
408 #define KMP_TEST_THEN_ADD32(p, v) \
409 InterlockedExchangeAdd((volatile long *)(p), (v))
411 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \
412 InterlockedCompareExchange((volatile long *)(p), (long)(sv), (long)(cv))
414 #define KMP_XCHG_FIXED32(p, v) \
415 InterlockedExchange((volatile long *)(p), (long)(v))
416 #define KMP_XCHG_FIXED64(p, v) \
417 InterlockedExchange64((volatile kmp_int64 *)(p), (kmp_int64)(v))
419 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) {
420 kmp_int32 tmp = InterlockedExchange((volatile long *)p, *(long *)&v);
421 return *(kmp_real32 *)&tmp;
424 // Routines that we still need to implement in assembly.
425 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v);
426 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v);
427 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v);
428 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v);
429 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v);
430 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v);
431 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v);
432 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v);
433 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v);
435 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv,
437 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv,
439 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv,
441 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv,
443 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv,
445 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p,
446 kmp_int16 cv, kmp_int16 sv);
447 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p,
448 kmp_int32 cv, kmp_int32 sv);
449 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p,
450 kmp_int64 cv, kmp_int64 sv);
452 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v);
453 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v);
454 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v);
455 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v);
456 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v);
457 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v);
459 //#define KMP_TEST_THEN_INC32(p) __kmp_test_then_add32((p), 1)
460 //#define KMP_TEST_THEN_INC_ACQ32(p) __kmp_test_then_add32((p), 1)
461 #define KMP_TEST_THEN_INC64(p) __kmp_test_then_add64((p), 1LL)
462 #define KMP_TEST_THEN_INC_ACQ64(p) __kmp_test_then_add64((p), 1LL)
463 //#define KMP_TEST_THEN_ADD4_32(p) __kmp_test_then_add32((p), 4)
464 //#define KMP_TEST_THEN_ADD4_ACQ32(p) __kmp_test_then_add32((p), 4)
465 #define KMP_TEST_THEN_ADD4_64(p) __kmp_test_then_add64((p), 4LL)
466 #define KMP_TEST_THEN_ADD4_ACQ64(p) __kmp_test_then_add64((p), 4LL)
467 //#define KMP_TEST_THEN_DEC32(p) __kmp_test_then_add32((p), -1)
468 //#define KMP_TEST_THEN_DEC_ACQ32(p) __kmp_test_then_add32((p), -1)
469 #define KMP_TEST_THEN_DEC64(p) __kmp_test_then_add64((p), -1LL)
470 #define KMP_TEST_THEN_DEC_ACQ64(p) __kmp_test_then_add64((p), -1LL)
471 //#define KMP_TEST_THEN_ADD32(p, v) __kmp_test_then_add32((p), (v))
472 #define KMP_TEST_THEN_ADD8(p, v) __kmp_test_then_add8((p), (v))
473 #define KMP_TEST_THEN_ADD64(p, v) __kmp_test_then_add64((p), (v))
475 #define KMP_TEST_THEN_OR8(p, v) __kmp_test_then_or8((p), (v))
476 #define KMP_TEST_THEN_AND8(p, v) __kmp_test_then_and8((p), (v))
477 #define KMP_TEST_THEN_OR32(p, v) __kmp_test_then_or32((p), (v))
478 #define KMP_TEST_THEN_AND32(p, v) __kmp_test_then_and32((p), (v))
479 #define KMP_TEST_THEN_OR64(p, v) __kmp_test_then_or64((p), (v))
480 #define KMP_TEST_THEN_AND64(p, v) __kmp_test_then_and64((p), (v))
482 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
483 __kmp_compare_and_store8((p), (cv), (sv))
484 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
485 __kmp_compare_and_store8((p), (cv), (sv))
486 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
487 __kmp_compare_and_store16((p), (cv), (sv))
488 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
489 __kmp_compare_and_store16((p), (cv), (sv))
490 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
491 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
493 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
494 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
496 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
497 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
499 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
500 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
504 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
505 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
507 #else /* 64 bit pointers */
508 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
509 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
511 #endif /* KMP_ARCH_X86 */
513 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
514 __kmp_compare_and_store_ret8((p), (cv), (sv))
515 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
516 __kmp_compare_and_store_ret16((p), (cv), (sv))
517 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
518 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
521 #define KMP_XCHG_FIXED8(p, v) \
522 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v));
523 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v));
524 //#define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v));
525 //#define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v));
526 //#define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v));
527 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v));
529 #elif (KMP_ASM_INTRINS && KMP_OS_UNIX) || !(KMP_ARCH_X86 || KMP_ARCH_X86_64)
531 /* cast p to correct type so that proper intrinsic will be used */
532 #define KMP_TEST_THEN_INC32(p) \
533 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1)
534 #define KMP_TEST_THEN_INC_ACQ32(p) \
535 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1)
537 #define KMP_TEST_THEN_INC64(p) \
538 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
539 #define KMP_TEST_THEN_INC_ACQ64(p) \
540 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
542 #define KMP_TEST_THEN_INC64(p) \
543 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL)
544 #define KMP_TEST_THEN_INC_ACQ64(p) \
545 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL)
547 #define KMP_TEST_THEN_ADD4_32(p) \
548 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4)
549 #define KMP_TEST_THEN_ADD4_ACQ32(p) \
550 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4)
552 #define KMP_TEST_THEN_ADD4_64(p) \
553 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST)
554 #define KMP_TEST_THEN_ADD4_ACQ64(p) \
555 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST)
556 #define KMP_TEST_THEN_DEC64(p) \
557 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
558 #define KMP_TEST_THEN_DEC_ACQ64(p) \
559 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
561 #define KMP_TEST_THEN_ADD4_64(p) \
562 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL)
563 #define KMP_TEST_THEN_ADD4_ACQ64(p) \
564 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL)
565 #define KMP_TEST_THEN_DEC64(p) \
566 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL)
567 #define KMP_TEST_THEN_DEC_ACQ64(p) \
568 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL)
570 #define KMP_TEST_THEN_DEC32(p) \
571 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1)
572 #define KMP_TEST_THEN_DEC_ACQ32(p) \
573 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1)
574 #define KMP_TEST_THEN_ADD8(p, v) \
575 __sync_fetch_and_add((volatile kmp_int8 *)(p), (kmp_int8)(v))
576 #define KMP_TEST_THEN_ADD32(p, v) \
577 __sync_fetch_and_add((volatile kmp_int32 *)(p), (kmp_int32)(v))
579 #define KMP_TEST_THEN_ADD64(p, v) \
580 __atomic_fetch_add((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \
583 #define KMP_TEST_THEN_ADD64(p, v) \
584 __sync_fetch_and_add((volatile kmp_int64 *)(p), (kmp_int64)(v))
587 #define KMP_TEST_THEN_OR8(p, v) \
588 __sync_fetch_and_or((volatile kmp_int8 *)(p), (kmp_int8)(v))
589 #define KMP_TEST_THEN_AND8(p, v) \
590 __sync_fetch_and_and((volatile kmp_int8 *)(p), (kmp_int8)(v))
591 #define KMP_TEST_THEN_OR32(p, v) \
592 __sync_fetch_and_or((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
593 #define KMP_TEST_THEN_AND32(p, v) \
594 __sync_fetch_and_and((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
596 #define KMP_TEST_THEN_OR64(p, v) \
597 __atomic_fetch_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \
599 #define KMP_TEST_THEN_AND64(p, v) \
600 __atomic_fetch_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \
603 #define KMP_TEST_THEN_OR64(p, v) \
604 __sync_fetch_and_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
605 #define KMP_TEST_THEN_AND64(p, v) \
606 __sync_fetch_and_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
609 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
610 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \
612 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
613 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \
615 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
616 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \
618 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
619 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \
621 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
622 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \
624 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
625 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \
627 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
628 __sync_bool_compare_and_swap((void *volatile *)(p), (void *)(cv), \
631 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
632 __sync_val_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \
634 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
635 __sync_val_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \
637 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \
638 __sync_val_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \
641 static inline bool mips_sync_bool_compare_and_swap(
642 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) {
643 return __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST,
646 static inline bool mips_sync_val_compare_and_swap(
647 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) {
648 __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST,
652 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
653 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\
655 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
656 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\
658 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
659 mips_sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
662 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
663 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
665 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
666 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
668 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
669 __sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
673 #define KMP_XCHG_FIXED8(p, v) \
674 __sync_lock_test_and_set((volatile kmp_uint8 *)(p), (kmp_uint8)(v))
675 #define KMP_XCHG_FIXED16(p, v) \
676 __sync_lock_test_and_set((volatile kmp_uint16 *)(p), (kmp_uint16)(v))
677 #define KMP_XCHG_FIXED32(p, v) \
678 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
679 #define KMP_XCHG_FIXED64(p, v) \
680 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
682 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) {
684 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), *(kmp_uint32 *)&v);
685 return *(kmp_real32 *)&tmp;
688 inline kmp_real64 KMP_XCHG_REAL64(volatile kmp_real64 *p, kmp_real64 v) {
690 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), *(kmp_uint64 *)&v);
691 return *(kmp_real64 *)&tmp;
696 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v);
697 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v);
698 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v);
699 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v);
700 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v);
701 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v);
702 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v);
703 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v);
704 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v);
706 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv,
708 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv,
710 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv,
712 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv,
714 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv,
716 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p,
717 kmp_int16 cv, kmp_int16 sv);
718 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p,
719 kmp_int32 cv, kmp_int32 sv);
720 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p,
721 kmp_int64 cv, kmp_int64 sv);
723 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v);
724 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v);
725 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v);
726 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v);
727 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v);
728 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v);
730 #define KMP_TEST_THEN_INC32(p) \
731 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1)
732 #define KMP_TEST_THEN_INC_ACQ32(p) \
733 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1)
734 #define KMP_TEST_THEN_INC64(p) \
735 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL)
736 #define KMP_TEST_THEN_INC_ACQ64(p) \
737 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL)
738 #define KMP_TEST_THEN_ADD4_32(p) \
739 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4)
740 #define KMP_TEST_THEN_ADD4_ACQ32(p) \
741 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4)
742 #define KMP_TEST_THEN_ADD4_64(p) \
743 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL)
744 #define KMP_TEST_THEN_ADD4_ACQ64(p) \
745 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL)
746 #define KMP_TEST_THEN_DEC32(p) \
747 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1)
748 #define KMP_TEST_THEN_DEC_ACQ32(p) \
749 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1)
750 #define KMP_TEST_THEN_DEC64(p) \
751 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL)
752 #define KMP_TEST_THEN_DEC_ACQ64(p) \
753 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL)
754 #define KMP_TEST_THEN_ADD8(p, v) \
755 __kmp_test_then_add8((volatile kmp_int8 *)(p), (kmp_int8)(v))
756 #define KMP_TEST_THEN_ADD32(p, v) \
757 __kmp_test_then_add32((volatile kmp_int32 *)(p), (kmp_int32)(v))
758 #define KMP_TEST_THEN_ADD64(p, v) \
759 __kmp_test_then_add64((volatile kmp_int64 *)(p), (kmp_int64)(v))
761 #define KMP_TEST_THEN_OR8(p, v) \
762 __kmp_test_then_or8((volatile kmp_int8 *)(p), (kmp_int8)(v))
763 #define KMP_TEST_THEN_AND8(p, v) \
764 __kmp_test_then_and8((volatile kmp_int8 *)(p), (kmp_int8)(v))
765 #define KMP_TEST_THEN_OR32(p, v) \
766 __kmp_test_then_or32((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
767 #define KMP_TEST_THEN_AND32(p, v) \
768 __kmp_test_then_and32((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
769 #define KMP_TEST_THEN_OR64(p, v) \
770 __kmp_test_then_or64((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
771 #define KMP_TEST_THEN_AND64(p, v) \
772 __kmp_test_then_and64((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
774 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
775 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \
777 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
778 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \
780 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
781 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \
783 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
784 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \
786 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
787 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
789 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
790 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
792 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
793 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
795 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
796 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
800 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
801 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
803 #else /* 64 bit pointers */
804 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
805 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
807 #endif /* KMP_ARCH_X86 */
809 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
810 __kmp_compare_and_store_ret8((p), (cv), (sv))
811 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
812 __kmp_compare_and_store_ret16((p), (cv), (sv))
813 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \
814 __kmp_compare_and_store_ret32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
816 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
817 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
820 #define KMP_XCHG_FIXED8(p, v) \
821 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v));
822 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v));
823 #define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v));
824 #define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v));
825 #define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v));
826 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v));
828 #endif /* KMP_ASM_INTRINS */
830 /* ------------- relaxed consistency memory model stuff ------------------ */
834 #define KMP_MB() asm("nop")
835 #define KMP_IMB() asm("nop")
837 #define KMP_MB() /* _asm{ nop } */
838 #define KMP_IMB() /* _asm{ nop } */
840 #endif /* KMP_OS_WINDOWS */
842 #if KMP_ARCH_PPC64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS || \
844 #define KMP_MB() __sync_synchronize()
848 #define KMP_MB() /* nothing to do */
852 #define KMP_IMB() /* nothing to do */
856 #define KMP_ST_REL32(A, D) (*(A) = (D))
860 #define KMP_ST_REL64(A, D) (*(A) = (D))
864 #define KMP_LD_ACQ32(A) (*(A))
868 #define KMP_LD_ACQ64(A) (*(A))
871 /* ------------------------------------------------------------------------ */
872 // FIXME - maybe this should this be
874 // #define TCR_4(a) (*(volatile kmp_int32 *)(&a))
875 // #define TCW_4(a,b) (a) = (*(volatile kmp_int32 *)&(b))
877 // #define TCR_8(a) (*(volatile kmp_int64 *)(a))
878 // #define TCW_8(a,b) (a) = (*(volatile kmp_int64 *)(&b))
880 // I'm fairly certain this is the correct thing to do, but I'm afraid
881 // of performance regressions.
884 #define TCW_1(a, b) (a) = (b)
886 #define TCW_4(a, b) (a) = (b)
887 #define TCI_4(a) (++(a))
888 #define TCD_4(a) (--(a))
890 #define TCW_8(a, b) (a) = (b)
891 #define TCI_8(a) (++(a))
892 #define TCD_8(a) (--(a))
893 #define TCR_SYNC_4(a) (a)
894 #define TCW_SYNC_4(a, b) (a) = (b)
895 #define TCX_SYNC_4(a, b, c) \
896 KMP_COMPARE_AND_STORE_REL32((volatile kmp_int32 *)(volatile void *)&(a), \
897 (kmp_int32)(b), (kmp_int32)(c))
898 #define TCR_SYNC_8(a) (a)
899 #define TCW_SYNC_8(a, b) (a) = (b)
900 #define TCX_SYNC_8(a, b, c) \
901 KMP_COMPARE_AND_STORE_REL64((volatile kmp_int64 *)(volatile void *)&(a), \
902 (kmp_int64)(b), (kmp_int64)(c))
904 #if KMP_ARCH_X86 || KMP_ARCH_MIPS
906 #define TCR_PTR(a) ((void *)TCR_4(a))
907 #define TCW_PTR(a, b) TCW_4((a), (b))
908 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_4(a))
909 #define TCW_SYNC_PTR(a, b) TCW_SYNC_4((a), (b))
910 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_4((a), (b), (c)))
912 #else /* 64 bit pointers */
914 #define TCR_PTR(a) ((void *)TCR_8(a))
915 #define TCW_PTR(a, b) TCW_8((a), (b))
916 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_8(a))
917 #define TCW_SYNC_PTR(a, b) TCW_SYNC_8((a), (b))
918 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_8((a), (b), (c)))
920 #endif /* KMP_ARCH_X86 */
922 /* If these FTN_{TRUE,FALSE} values change, may need to change several places
923 where they are used to check that language is Fortran, not C. */
926 #define FTN_TRUE TRUE
930 #define FTN_FALSE FALSE
933 typedef void (*microtask_t)(int *gtid, int *npr, ...);
935 #ifdef USE_VOLATILE_CAST
936 #define VOLATILE_CAST(x) (volatile x)
938 #define VOLATILE_CAST(x) (x)
941 #define KMP_WAIT __kmp_wait_4
942 #define KMP_WAIT_PTR __kmp_wait_4_ptr
943 #define KMP_EQ __kmp_eq_4
944 #define KMP_NEQ __kmp_neq_4
945 #define KMP_LT __kmp_lt_4
946 #define KMP_GE __kmp_ge_4
947 #define KMP_LE __kmp_le_4
949 /* Workaround for Intel(R) 64 code gen bug when taking address of static array
950 * (Intel(R) 64 Tracker #138) */
951 #if (KMP_ARCH_X86_64 || KMP_ARCH_PPC64) && KMP_OS_LINUX
952 #define STATIC_EFI2_WORKAROUND
954 #define STATIC_EFI2_WORKAROUND static
957 // Support of BGET usage
959 #define KMP_USE_BGET 1
962 // Switches for OSS builds
963 #ifndef USE_CMPXCHG_FIX
964 #define USE_CMPXCHG_FIX 1
967 // Enable dynamic user lock
968 #define KMP_USE_DYNAMIC_LOCK 1
970 // Enable Intel(R) Transactional Synchronization Extensions (Intel(R) TSX) if
971 // dynamic user lock is turned on
972 #if KMP_USE_DYNAMIC_LOCK
973 // Visual studio can't handle the asm sections in this code
974 #define KMP_USE_TSX (KMP_ARCH_X86 || KMP_ARCH_X86_64) && !KMP_COMPILER_MSVC
975 #ifdef KMP_USE_ADAPTIVE_LOCKS
976 #undef KMP_USE_ADAPTIVE_LOCKS
978 #define KMP_USE_ADAPTIVE_LOCKS KMP_USE_TSX
981 // Enable tick time conversion of ticks to seconds
982 #if KMP_STATS_ENABLED
983 #define KMP_HAVE_TICK_TIME \
984 (KMP_OS_LINUX && (KMP_MIC || KMP_ARCH_X86 || KMP_ARCH_X86_64))
988 enum kmp_warnings_level {
989 kmp_warnings_off = 0, /* No warnings */
990 kmp_warnings_low, /* Minimal warnings (default) */
991 kmp_warnings_explicit = 6, /* Explicitly set to ON - more warnings */
992 kmp_warnings_verbose /* reserved */
997 #endif // __cplusplus
999 // Macros for C++11 atomic functions
1000 #define KMP_ATOMIC_LD(p, order) (p)->load(std::memory_order_##order)
1001 #define KMP_ATOMIC_OP(op, p, v, order) (p)->op(v, std::memory_order_##order)
1003 // For non-default load/store
1004 #define KMP_ATOMIC_LD_ACQ(p) KMP_ATOMIC_LD(p, acquire)
1005 #define KMP_ATOMIC_LD_RLX(p) KMP_ATOMIC_LD(p, relaxed)
1006 #define KMP_ATOMIC_ST_REL(p, v) KMP_ATOMIC_OP(store, p, v, release)
1007 #define KMP_ATOMIC_ST_RLX(p, v) KMP_ATOMIC_OP(store, p, v, relaxed)
1009 // For non-default fetch_<op>
1010 #define KMP_ATOMIC_ADD(p, v) KMP_ATOMIC_OP(fetch_add, p, v, acq_rel)
1011 #define KMP_ATOMIC_SUB(p, v) KMP_ATOMIC_OP(fetch_sub, p, v, acq_rel)
1012 #define KMP_ATOMIC_AND(p, v) KMP_ATOMIC_OP(fetch_and, p, v, acq_rel)
1013 #define KMP_ATOMIC_OR(p, v) KMP_ATOMIC_OP(fetch_or, p, v, acq_rel)
1014 #define KMP_ATOMIC_INC(p) KMP_ATOMIC_OP(fetch_add, p, 1, acq_rel)
1015 #define KMP_ATOMIC_DEC(p) KMP_ATOMIC_OP(fetch_sub, p, 1, acq_rel)
1016 #define KMP_ATOMIC_ADD_RLX(p, v) KMP_ATOMIC_OP(fetch_add, p, v, relaxed)
1017 #define KMP_ATOMIC_INC_RLX(p) KMP_ATOMIC_OP(fetch_add, p, 1, relaxed)
1019 // Callers of the following functions cannot see the side effect on "expected".
1020 template <typename T>
1021 bool __kmp_atomic_compare_store(std::atomic<T> *p, T expected, T desired) {
1022 return p->compare_exchange_strong(
1023 expected, desired, std::memory_order_acq_rel, std::memory_order_relaxed);
1026 template <typename T>
1027 bool __kmp_atomic_compare_store_acq(std::atomic<T> *p, T expected, T desired) {
1028 return p->compare_exchange_strong(
1029 expected, desired, std::memory_order_acquire, std::memory_order_relaxed);
1032 template <typename T>
1033 bool __kmp_atomic_compare_store_rel(std::atomic<T> *p, T expected, T desired) {
1034 return p->compare_exchange_strong(
1035 expected, desired, std::memory_order_release, std::memory_order_relaxed);
1038 #endif /* KMP_OS_H */
1040 #include "kmp_safe_c_api.h"