xref: /freebsd/contrib/llvm-project/openmp/runtime/src/kmp_os.h (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1 /*
2  * kmp_os.h -- KPTS runtime header file.
3  */
4 
5 //===----------------------------------------------------------------------===//
6 //
7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8 // See https://llvm.org/LICENSE.txt for license information.
9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef KMP_OS_H
14 #define KMP_OS_H
15 
16 #include "kmp_config.h"
17 #include <atomic>
18 #include <stdarg.h>
19 #include <stdlib.h>
20 
21 #define KMP_FTN_PLAIN 1
22 #define KMP_FTN_APPEND 2
23 #define KMP_FTN_UPPER 3
24 /*
25 #define KMP_FTN_PREPEND 4
26 #define KMP_FTN_UAPPEND 5
27 */
28 
29 #define KMP_PTR_SKIP (sizeof(void *))
30 
31 /* -------------------------- Compiler variations ------------------------ */
32 
33 #define KMP_OFF 0
34 #define KMP_ON 1
35 
36 #define KMP_MEM_CONS_VOLATILE 0
37 #define KMP_MEM_CONS_FENCE 1
38 
39 #ifndef KMP_MEM_CONS_MODEL
40 #define KMP_MEM_CONS_MODEL KMP_MEM_CONS_VOLATILE
41 #endif
42 
43 #ifndef __has_cpp_attribute
44 #define __has_cpp_attribute(x) 0
45 #endif
46 
47 #ifndef __has_attribute
48 #define __has_attribute(x) 0
49 #endif
50 
51 /* ------------------------- Compiler recognition ---------------------- */
52 #define KMP_COMPILER_ICC 0
53 #define KMP_COMPILER_GCC 0
54 #define KMP_COMPILER_CLANG 0
55 #define KMP_COMPILER_MSVC 0
56 
57 #if defined(__INTEL_COMPILER)
58 #undef KMP_COMPILER_ICC
59 #define KMP_COMPILER_ICC 1
60 #elif defined(__clang__)
61 #undef KMP_COMPILER_CLANG
62 #define KMP_COMPILER_CLANG 1
63 #elif defined(__GNUC__)
64 #undef KMP_COMPILER_GCC
65 #define KMP_COMPILER_GCC 1
66 #elif defined(_MSC_VER)
67 #undef KMP_COMPILER_MSVC
68 #define KMP_COMPILER_MSVC 1
69 #else
70 #error Unknown compiler
71 #endif
72 
73 #if (KMP_OS_LINUX || KMP_OS_WINDOWS || KMP_OS_FREEBSD) && !KMP_OS_CNK
74 #define KMP_AFFINITY_SUPPORTED 1
75 #if KMP_OS_WINDOWS && KMP_ARCH_X86_64
76 #define KMP_GROUP_AFFINITY 1
77 #else
78 #define KMP_GROUP_AFFINITY 0
79 #endif
80 #else
81 #define KMP_AFFINITY_SUPPORTED 0
82 #define KMP_GROUP_AFFINITY 0
83 #endif
84 
85 /* Check for quad-precision extension. */
86 #define KMP_HAVE_QUAD 0
87 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
88 #if KMP_COMPILER_ICC
89 /* _Quad is already defined for icc */
90 #undef KMP_HAVE_QUAD
91 #define KMP_HAVE_QUAD 1
92 #elif KMP_COMPILER_CLANG
93 /* Clang doesn't support a software-implemented
94    128-bit extended precision type yet */
95 typedef long double _Quad;
96 #elif KMP_COMPILER_GCC
97 /* GCC on NetBSD lacks __multc3/__divtc3 builtins needed for quad */
98 #if !KMP_OS_NETBSD
99 typedef __float128 _Quad;
100 #undef KMP_HAVE_QUAD
101 #define KMP_HAVE_QUAD 1
102 #endif
103 #elif KMP_COMPILER_MSVC
104 typedef long double _Quad;
105 #endif
106 #else
107 #if __LDBL_MAX_EXP__ >= 16384 && KMP_COMPILER_GCC
108 typedef long double _Quad;
109 #undef KMP_HAVE_QUAD
110 #define KMP_HAVE_QUAD 1
111 #endif
112 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
113 
114 #define KMP_USE_X87CONTROL 0
115 #if KMP_OS_WINDOWS
116 #define KMP_END_OF_LINE "\r\n"
117 typedef char kmp_int8;
118 typedef unsigned char kmp_uint8;
119 typedef short kmp_int16;
120 typedef unsigned short kmp_uint16;
121 typedef int kmp_int32;
122 typedef unsigned int kmp_uint32;
123 #define KMP_INT32_SPEC "d"
124 #define KMP_UINT32_SPEC "u"
125 #ifndef KMP_STRUCT64
126 typedef __int64 kmp_int64;
127 typedef unsigned __int64 kmp_uint64;
128 #define KMP_INT64_SPEC "I64d"
129 #define KMP_UINT64_SPEC "I64u"
130 #else
131 struct kmp_struct64 {
132   kmp_int32 a, b;
133 };
134 typedef struct kmp_struct64 kmp_int64;
135 typedef struct kmp_struct64 kmp_uint64;
136 /* Not sure what to use for KMP_[U]INT64_SPEC here */
137 #endif
138 #if KMP_ARCH_X86 && KMP_MSVC_COMPAT
139 #undef KMP_USE_X87CONTROL
140 #define KMP_USE_X87CONTROL 1
141 #endif
142 #if KMP_ARCH_X86_64
143 #define KMP_INTPTR 1
144 typedef __int64 kmp_intptr_t;
145 typedef unsigned __int64 kmp_uintptr_t;
146 #define KMP_INTPTR_SPEC "I64d"
147 #define KMP_UINTPTR_SPEC "I64u"
148 #endif
149 #endif /* KMP_OS_WINDOWS */
150 
151 #if KMP_OS_UNIX
152 #define KMP_END_OF_LINE "\n"
153 typedef char kmp_int8;
154 typedef unsigned char kmp_uint8;
155 typedef short kmp_int16;
156 typedef unsigned short kmp_uint16;
157 typedef int kmp_int32;
158 typedef unsigned int kmp_uint32;
159 typedef long long kmp_int64;
160 typedef unsigned long long kmp_uint64;
161 #define KMP_INT32_SPEC "d"
162 #define KMP_UINT32_SPEC "u"
163 #define KMP_INT64_SPEC "lld"
164 #define KMP_UINT64_SPEC "llu"
165 #endif /* KMP_OS_UNIX */
166 
167 #if KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS
168 #define KMP_SIZE_T_SPEC KMP_UINT32_SPEC
169 #elif KMP_ARCH_X86_64 || KMP_ARCH_PPC64 || KMP_ARCH_AARCH64 ||                 \
170     KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64
171 #define KMP_SIZE_T_SPEC KMP_UINT64_SPEC
172 #else
173 #error "Can't determine size_t printf format specifier."
174 #endif
175 
176 #if KMP_ARCH_X86
177 #define KMP_SIZE_T_MAX (0xFFFFFFFF)
178 #else
179 #define KMP_SIZE_T_MAX (0xFFFFFFFFFFFFFFFF)
180 #endif
181 
182 typedef size_t kmp_size_t;
183 typedef float kmp_real32;
184 typedef double kmp_real64;
185 
186 #ifndef KMP_INTPTR
187 #define KMP_INTPTR 1
188 typedef long kmp_intptr_t;
189 typedef unsigned long kmp_uintptr_t;
190 #define KMP_INTPTR_SPEC "ld"
191 #define KMP_UINTPTR_SPEC "lu"
192 #endif
193 
194 #ifdef BUILD_I8
195 typedef kmp_int64 kmp_int;
196 typedef kmp_uint64 kmp_uint;
197 #else
198 typedef kmp_int32 kmp_int;
199 typedef kmp_uint32 kmp_uint;
200 #endif /* BUILD_I8 */
201 #define KMP_INT_MAX ((kmp_int32)0x7FFFFFFF)
202 #define KMP_INT_MIN ((kmp_int32)0x80000000)
203 
204 // stdarg handling
205 #if (KMP_ARCH_ARM || KMP_ARCH_X86_64 || KMP_ARCH_AARCH64) &&                   \
206     (KMP_OS_FREEBSD || KMP_OS_LINUX)
207 typedef va_list *kmp_va_list;
208 #define kmp_va_deref(ap) (*(ap))
209 #define kmp_va_addr_of(ap) (&(ap))
210 #else
211 typedef va_list kmp_va_list;
212 #define kmp_va_deref(ap) (ap)
213 #define kmp_va_addr_of(ap) (ap)
214 #endif
215 
216 #ifdef __cplusplus
217 // macros to cast out qualifiers and to re-interpret types
218 #define CCAST(type, var) const_cast<type>(var)
219 #define RCAST(type, var) reinterpret_cast<type>(var)
220 //-------------------------------------------------------------------------
221 // template for debug prints specification ( d, u, lld, llu ), and to obtain
222 // signed/unsigned flavors of a type
223 template <typename T> struct traits_t {};
224 // int
225 template <> struct traits_t<signed int> {
226   typedef signed int signed_t;
227   typedef unsigned int unsigned_t;
228   typedef double floating_t;
229   static char const *spec;
230   static const signed_t max_value = 0x7fffffff;
231   static const signed_t min_value = 0x80000000;
232   static const int type_size = sizeof(signed_t);
233 };
234 // unsigned int
235 template <> struct traits_t<unsigned int> {
236   typedef signed int signed_t;
237   typedef unsigned int unsigned_t;
238   typedef double floating_t;
239   static char const *spec;
240   static const unsigned_t max_value = 0xffffffff;
241   static const unsigned_t min_value = 0x00000000;
242   static const int type_size = sizeof(unsigned_t);
243 };
244 // long
245 template <> struct traits_t<signed long> {
246   typedef signed long signed_t;
247   typedef unsigned long unsigned_t;
248   typedef long double floating_t;
249   static char const *spec;
250   static const int type_size = sizeof(signed_t);
251 };
252 // long long
253 template <> struct traits_t<signed long long> {
254   typedef signed long long signed_t;
255   typedef unsigned long long unsigned_t;
256   typedef long double floating_t;
257   static char const *spec;
258   static const signed_t max_value = 0x7fffffffffffffffLL;
259   static const signed_t min_value = 0x8000000000000000LL;
260   static const int type_size = sizeof(signed_t);
261 };
262 // unsigned long long
263 template <> struct traits_t<unsigned long long> {
264   typedef signed long long signed_t;
265   typedef unsigned long long unsigned_t;
266   typedef long double floating_t;
267   static char const *spec;
268   static const unsigned_t max_value = 0xffffffffffffffffLL;
269   static const unsigned_t min_value = 0x0000000000000000LL;
270   static const int type_size = sizeof(unsigned_t);
271 };
272 //-------------------------------------------------------------------------
273 #else
274 #define CCAST(type, var) (type)(var)
275 #define RCAST(type, var) (type)(var)
276 #endif // __cplusplus
277 
278 #define KMP_EXPORT extern /* export declaration in guide libraries */
279 
280 #if __GNUC__ >= 4 && !defined(__MINGW32__)
281 #define __forceinline __inline
282 #endif
283 
284 #if KMP_OS_WINDOWS
285 #include <windows.h>
286 
287 static inline int KMP_GET_PAGE_SIZE(void) {
288   SYSTEM_INFO si;
289   GetSystemInfo(&si);
290   return si.dwPageSize;
291 }
292 #else
293 #define KMP_GET_PAGE_SIZE() getpagesize()
294 #endif
295 
296 #define PAGE_ALIGNED(_addr)                                                    \
297   (!((size_t)_addr & (size_t)(KMP_GET_PAGE_SIZE() - 1)))
298 #define ALIGN_TO_PAGE(x)                                                       \
299   (void *)(((size_t)(x)) & ~((size_t)(KMP_GET_PAGE_SIZE() - 1)))
300 
301 /* ---------- Support for cache alignment, padding, etc. ----------------*/
302 
303 #ifdef __cplusplus
304 extern "C" {
305 #endif // __cplusplus
306 
307 #define INTERNODE_CACHE_LINE 4096 /* for multi-node systems */
308 
309 /* Define the default size of the cache line */
310 #ifndef CACHE_LINE
311 #define CACHE_LINE 128 /* cache line size in bytes */
312 #else
313 #if (CACHE_LINE < 64) && !defined(KMP_OS_DARWIN)
314 // 2006-02-13: This produces too many warnings on OS X*. Disable for now
315 #warning CACHE_LINE is too small.
316 #endif
317 #endif /* CACHE_LINE */
318 
319 #define KMP_CACHE_PREFETCH(ADDR) /* nothing */
320 
321 // Define attribute that indicates that the fall through from the previous
322 // case label is intentional and should not be diagnosed by a compiler
323 //   Code from libcxx/include/__config
324 // Use a function like macro to imply that it must be followed by a semicolon
325 #if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
326 #  define KMP_FALLTHROUGH() [[fallthrough]]
327 #elif __has_cpp_attribute(clang::fallthrough)
328 #  define KMP_FALLTHROUGH() [[clang::fallthrough]]
329 #elif __has_attribute(fallthrough) || __GNUC__ >= 7
330 #  define KMP_FALLTHROUGH() __attribute__((__fallthrough__))
331 #else
332 #  define KMP_FALLTHROUGH() ((void)0)
333 #endif
334 
335 // Define attribute that indicates a function does not return
336 #if __cplusplus >= 201103L
337 #define KMP_NORETURN [[noreturn]]
338 #elif KMP_OS_WINDOWS
339 #define KMP_NORETURN __declspec(noreturn)
340 #else
341 #define KMP_NORETURN __attribute__((noreturn))
342 #endif
343 
344 #if KMP_OS_WINDOWS && KMP_MSVC_COMPAT
345 #define KMP_ALIGN(bytes) __declspec(align(bytes))
346 #define KMP_THREAD_LOCAL __declspec(thread)
347 #define KMP_ALIAS /* Nothing */
348 #else
349 #define KMP_ALIGN(bytes) __attribute__((aligned(bytes)))
350 #define KMP_THREAD_LOCAL __thread
351 #define KMP_ALIAS(alias_of) __attribute__((alias(alias_of)))
352 #endif
353 
354 #if KMP_HAVE_WEAK_ATTRIBUTE && !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 */
399 enum 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 
439 inline 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.
445 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v);
446 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v);
447 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v);
448 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v);
449 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v);
450 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v);
451 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v);
452 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v);
453 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v);
454 
455 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv,
456                                          kmp_int8 sv);
457 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv,
458                                            kmp_int16 sv);
459 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv,
460                                            kmp_int32 sv);
461 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv,
462                                            kmp_int64 sv);
463 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv,
464                                              kmp_int8 sv);
465 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p,
466                                                kmp_int16 cv, kmp_int16 sv);
467 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p,
468                                                kmp_int32 cv, kmp_int32 sv);
469 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p,
470                                                kmp_int64 cv, kmp_int64 sv);
471 
472 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v);
473 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v);
474 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v);
475 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v);
476 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v);
477 extern 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
661 static 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 }
666 static 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 
702 inline 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 
708 inline 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 
716 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v);
717 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v);
718 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v);
719 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v);
720 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v);
721 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v);
722 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v);
723 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v);
724 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v);
725 
726 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv,
727                                          kmp_int8 sv);
728 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv,
729                                            kmp_int16 sv);
730 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv,
731                                            kmp_int32 sv);
732 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv,
733                                            kmp_int64 sv);
734 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv,
735                                              kmp_int8 sv);
736 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p,
737                                                kmp_int16 cv, kmp_int16 sv);
738 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p,
739                                                kmp_int32 cv, kmp_int32 sv);
740 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p,
741                                                kmp_int64 cv, kmp_int64 sv);
742 
743 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v);
744 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v);
745 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v);
746 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v);
747 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v);
748 extern 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 
953 typedef 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
1008 enum 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".
1040 template <typename T>
1041 bool __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 
1046 template <typename T>
1047 bool __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 
1052 template <typename T>
1053 bool __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