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Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / openmp / runtime / src / kmp_os.h
blob2c632112a8d8e3538d4b7eea31d4c51e98f6f573
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 #include <string.h>
21
22 #define KMP_FTN_PLAIN 1
23 #define KMP_FTN_APPEND 2
24 #define KMP_FTN_UPPER 3
25 /*
26 #define KMP_FTN_PREPEND 4
27 #define KMP_FTN_UAPPEND 5
28 */
29
30 #define KMP_PTR_SKIP (sizeof(void *))
31
32 /* -------------------------- Compiler variations ------------------------ */
33
34 #define KMP_OFF 0
35 #define KMP_ON 1
36
37 #define KMP_MEM_CONS_VOLATILE 0
38 #define KMP_MEM_CONS_FENCE 1
39
40 #ifndef KMP_MEM_CONS_MODEL
41 #define KMP_MEM_CONS_MODEL KMP_MEM_CONS_VOLATILE
42 #endif
43
44 #ifndef __has_cpp_attribute
45 #define __has_cpp_attribute(x) 0
46 #endif
47
48 #ifndef __has_attribute
49 #define __has_attribute(x) 0
50 #endif
51
52 /* ------------------------- Compiler recognition ---------------------- */
53 #define KMP_COMPILER_ICC 0
54 #define KMP_COMPILER_GCC 0
55 #define KMP_COMPILER_CLANG 0
56 #define KMP_COMPILER_MSVC 0
57 #define KMP_COMPILER_ICX 0
58
59 #if __INTEL_CLANG_COMPILER
60 #undef KMP_COMPILER_ICX
61 #define KMP_COMPILER_ICX 1
62 #elif defined(__INTEL_COMPILER)
63 #undef KMP_COMPILER_ICC
64 #define KMP_COMPILER_ICC 1
65 #elif defined(__clang__)
66 #undef KMP_COMPILER_CLANG
67 #define KMP_COMPILER_CLANG 1
68 #elif defined(__GNUC__)
69 #undef KMP_COMPILER_GCC
70 #define KMP_COMPILER_GCC 1
71 #elif defined(_MSC_VER)
72 #undef KMP_COMPILER_MSVC
73 #define KMP_COMPILER_MSVC 1
74 #else
75 #error Unknown compiler
76 #endif
77
78 #if (KMP_OS_LINUX || KMP_OS_WINDOWS || KMP_OS_FREEBSD)
79 #define KMP_AFFINITY_SUPPORTED 1
80 #if KMP_OS_WINDOWS && KMP_ARCH_X86_64
81 #define KMP_GROUP_AFFINITY 1
82 #else
83 #define KMP_GROUP_AFFINITY 0
84 #endif
85 #else
86 #define KMP_AFFINITY_SUPPORTED 0
87 #define KMP_GROUP_AFFINITY 0
88 #endif
89
90 #if (KMP_OS_LINUX || (KMP_OS_FREEBSD && __FreeBSD_version >= 1301000))
91 #define KMP_HAVE_SCHED_GETCPU 1
92 #else
93 #define KMP_HAVE_SCHED_GETCPU 0
94 #endif
95
96 /* Check for quad-precision extension. */
97 #define KMP_HAVE_QUAD 0
98 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
99 #if KMP_COMPILER_ICC || KMP_COMPILER_ICX
100 /* _Quad is already defined for icc */
101 #undef KMP_HAVE_QUAD
102 #define KMP_HAVE_QUAD 1
103 #elif KMP_COMPILER_CLANG
104 /* Clang doesn't support a software-implemented
105 128-bit extended precision type yet */
106 typedef long double _Quad;
107 #elif KMP_COMPILER_GCC
108 /* GCC on NetBSD lacks __multc3/__divtc3 builtins needed for quad */
109 #if !KMP_OS_NETBSD
110 typedef __float128 _Quad;
111 #undef KMP_HAVE_QUAD
112 #define KMP_HAVE_QUAD 1
113 #endif
114 #elif KMP_COMPILER_MSVC
115 typedef long double _Quad;
116 #endif
117 #else
118 #if __LDBL_MAX_EXP__ >= 16384 && KMP_COMPILER_GCC
119 typedef long double _Quad;
120 #undef KMP_HAVE_QUAD
121 #define KMP_HAVE_QUAD 1
122 #endif
123 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
124
125 #define KMP_USE_X87CONTROL 0
126 #if KMP_OS_WINDOWS
127 #define KMP_END_OF_LINE "\r\n"
128 typedef char kmp_int8;
129 typedef unsigned char kmp_uint8;
130 typedef short kmp_int16;
131 typedef unsigned short kmp_uint16;
132 typedef int kmp_int32;
133 typedef unsigned int kmp_uint32;
134 #define KMP_INT32_SPEC "d"
135 #define KMP_UINT32_SPEC "u"
136 #ifndef KMP_STRUCT64
137 typedef __int64 kmp_int64;
138 typedef unsigned __int64 kmp_uint64;
139 #define KMP_INT64_SPEC "I64d"
140 #define KMP_UINT64_SPEC "I64u"
141 #else
142 struct kmp_struct64 {
143 kmp_int32 a, b;
144 };
145 typedef struct kmp_struct64 kmp_int64;
146 typedef struct kmp_struct64 kmp_uint64;
147 /* Not sure what to use for KMP_[U]INT64_SPEC here */
148 #endif
149 #if KMP_ARCH_X86 && KMP_MSVC_COMPAT
150 #undef KMP_USE_X87CONTROL
151 #define KMP_USE_X87CONTROL 1
152 #endif
153 #if KMP_ARCH_X86_64 || KMP_ARCH_AARCH64
154 #define KMP_INTPTR 1
155 typedef __int64 kmp_intptr_t;
156 typedef unsigned __int64 kmp_uintptr_t;
157 #define KMP_INTPTR_SPEC "I64d"
158 #define KMP_UINTPTR_SPEC "I64u"
159 #endif
160 #endif /* KMP_OS_WINDOWS */
161
162 #if KMP_OS_UNIX
163 #define KMP_END_OF_LINE "\n"
164 typedef char kmp_int8;
165 typedef unsigned char kmp_uint8;
166 typedef short kmp_int16;
167 typedef unsigned short kmp_uint16;
168 typedef int kmp_int32;
169 typedef unsigned int kmp_uint32;
170 typedef long long kmp_int64;
171 typedef unsigned long long kmp_uint64;
172 #define KMP_INT32_SPEC "d"
173 #define KMP_UINT32_SPEC "u"
174 #define KMP_INT64_SPEC "lld"
175 #define KMP_UINT64_SPEC "llu"
176 #endif /* KMP_OS_UNIX */
177
178 #if KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS
179 #define KMP_SIZE_T_SPEC KMP_UINT32_SPEC
180 #elif KMP_ARCH_X86_64 || KMP_ARCH_PPC64 || KMP_ARCH_AARCH64 || \
181 KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64 || KMP_ARCH_LOONGARCH64 || KMP_ARCH_VE
182 #define KMP_SIZE_T_SPEC KMP_UINT64_SPEC
183 #else
184 #error "Can't determine size_t printf format specifier."
185 #endif
186
187 #if KMP_ARCH_X86 || KMP_ARCH_ARM
188 #define KMP_SIZE_T_MAX (0xFFFFFFFF)
189 #else
190 #define KMP_SIZE_T_MAX (0xFFFFFFFFFFFFFFFF)
191 #endif
192
193 typedef size_t kmp_size_t;
194 typedef float kmp_real32;
195 typedef double kmp_real64;
196
197 #ifndef KMP_INTPTR
198 #define KMP_INTPTR 1
199 typedef long kmp_intptr_t;
200 typedef unsigned long kmp_uintptr_t;
201 #define KMP_INTPTR_SPEC "ld"
202 #define KMP_UINTPTR_SPEC "lu"
203 #endif
204
205 #ifdef BUILD_I8
206 typedef kmp_int64 kmp_int;
207 typedef kmp_uint64 kmp_uint;
208 #else
209 typedef kmp_int32 kmp_int;
210 typedef kmp_uint32 kmp_uint;
211 #endif /* BUILD_I8 */
212 #define KMP_INT_MAX ((kmp_int32)0x7FFFFFFF)
213 #define KMP_INT_MIN ((kmp_int32)0x80000000)
214
215 // stdarg handling
216 #if (KMP_ARCH_ARM || KMP_ARCH_X86_64 || KMP_ARCH_AARCH64) && \
217 (KMP_OS_FREEBSD || KMP_OS_LINUX)
218 typedef va_list *kmp_va_list;
219 #define kmp_va_deref(ap) (*(ap))
220 #define kmp_va_addr_of(ap) (&(ap))
221 #else
222 typedef va_list kmp_va_list;
223 #define kmp_va_deref(ap) (ap)
224 #define kmp_va_addr_of(ap) (ap)
225 #endif
226
227 #ifdef __cplusplus
228 // macros to cast out qualifiers and to re-interpret types
229 #define CCAST(type, var) const_cast<type>(var)
230 #define RCAST(type, var) reinterpret_cast<type>(var)
231 //-------------------------------------------------------------------------
232 // template for debug prints specification ( d, u, lld, llu ), and to obtain
233 // signed/unsigned flavors of a type
234 template <typename T> struct traits_t {};
235 // int
236 template <> struct traits_t<signed int> {
237 typedef signed int signed_t;
238 typedef unsigned int unsigned_t;
239 typedef double floating_t;
240 static char const *spec;
241 static const signed_t max_value = 0x7fffffff;
242 static const signed_t min_value = 0x80000000;
243 static const int type_size = sizeof(signed_t);
244 };
245 // unsigned int
246 template <> struct traits_t<unsigned int> {
247 typedef signed int signed_t;
248 typedef unsigned int unsigned_t;
249 typedef double floating_t;
250 static char const *spec;
251 static const unsigned_t max_value = 0xffffffff;
252 static const unsigned_t min_value = 0x00000000;
253 static const int type_size = sizeof(unsigned_t);
254 };
255 // long
256 template <> struct traits_t<signed long> {
257 typedef signed long signed_t;
258 typedef unsigned long unsigned_t;
259 typedef long double floating_t;
260 static char const *spec;
261 static const int type_size = sizeof(signed_t);
262 };
263 // long long
264 template <> struct traits_t<signed long long> {
265 typedef signed long long signed_t;
266 typedef unsigned long long unsigned_t;
267 typedef long double floating_t;
268 static char const *spec;
269 static const signed_t max_value = 0x7fffffffffffffffLL;
270 static const signed_t min_value = 0x8000000000000000LL;
271 static const int type_size = sizeof(signed_t);
272 };
273 // unsigned long long
274 template <> struct traits_t<unsigned long long> {
275 typedef signed long long signed_t;
276 typedef unsigned long long unsigned_t;
277 typedef long double floating_t;
278 static char const *spec;
279 static const unsigned_t max_value = 0xffffffffffffffffLL;
280 static const unsigned_t min_value = 0x0000000000000000LL;
281 static const int type_size = sizeof(unsigned_t);
282 };
283 //-------------------------------------------------------------------------
284 #else
285 #define CCAST(type, var) (type)(var)
286 #define RCAST(type, var) (type)(var)
287 #endif // __cplusplus
288
289 #define KMP_EXPORT extern /* export declaration in guide libraries */
290
291 #if __GNUC__ >= 4 && !defined(__MINGW32__)
292 #define __forceinline __inline
293 #endif
294
295 /* Check if the OS/arch can support user-level mwait */
296 // All mwait code tests for UMWAIT first, so it should only fall back to ring3
297 // MWAIT for KNL.
298 #define KMP_HAVE_MWAIT \
299 ((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS) && \
300 !KMP_MIC2)
301 #define KMP_HAVE_UMWAIT \
302 ((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS) && \
303 !KMP_MIC)
304
305 #if KMP_OS_WINDOWS
306 #include <windows.h>
307
308 static inline int KMP_GET_PAGE_SIZE(void) {
309 SYSTEM_INFO si;
310 GetSystemInfo(&si);
311 return si.dwPageSize;
312 }
313 #else
314 #define KMP_GET_PAGE_SIZE() getpagesize()
315 #endif
316
317 #define PAGE_ALIGNED(_addr) \
318 (!((size_t)_addr & (size_t)(KMP_GET_PAGE_SIZE() - 1)))
319 #define ALIGN_TO_PAGE(x) \
320 (void *)(((size_t)(x)) & ~((size_t)(KMP_GET_PAGE_SIZE() - 1)))
321
322 /* ---------- Support for cache alignment, padding, etc. ----------------*/
323
324 #ifdef __cplusplus
325 extern "C" {
326 #endif // __cplusplus
327
328 #define INTERNODE_CACHE_LINE 4096 /* for multi-node systems */
329
330 /* Define the default size of the cache line */
331 #ifndef CACHE_LINE
332 #define CACHE_LINE 128 /* cache line size in bytes */
333 #else
334 #if (CACHE_LINE < 64) && !defined(KMP_OS_DARWIN)
335 // 2006-02-13: This produces too many warnings on OS X*. Disable for now
336 #warning CACHE_LINE is too small.
337 #endif
338 #endif /* CACHE_LINE */
339
340 #define KMP_CACHE_PREFETCH(ADDR) /* nothing */
341
342 // Define attribute that indicates that the fall through from the previous
343 // case label is intentional and should not be diagnosed by a compiler
344 // Code from libcxx/include/__config
345 // Use a function like macro to imply that it must be followed by a semicolon
346 #if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
347 #define KMP_FALLTHROUGH() [[fallthrough]]
348 // icc cannot properly tell this attribute is absent so force off
349 #elif KMP_COMPILER_ICC
350 #define KMP_FALLTHROUGH() ((void)0)
351 #elif __has_cpp_attribute(clang::fallthrough)
352 #define KMP_FALLTHROUGH() [[clang::fallthrough]]
353 #elif __has_attribute(fallthrough) || __GNUC__ >= 7
354 #define KMP_FALLTHROUGH() __attribute__((__fallthrough__))
355 #else
356 #define KMP_FALLTHROUGH() ((void)0)
357 #endif
358
359 #if KMP_HAVE_ATTRIBUTE_WAITPKG
360 #define KMP_ATTRIBUTE_TARGET_WAITPKG __attribute__((target("waitpkg")))
361 #else
362 #define KMP_ATTRIBUTE_TARGET_WAITPKG /* Nothing */
363 #endif
364
365 #if KMP_HAVE_ATTRIBUTE_RTM
366 #define KMP_ATTRIBUTE_TARGET_RTM __attribute__((target("rtm")))
367 #else
368 #define KMP_ATTRIBUTE_TARGET_RTM /* Nothing */
369 #endif
370
371 // Define attribute that indicates a function does not return
372 #if __cplusplus >= 201103L
373 #define KMP_NORETURN [[noreturn]]
374 #elif KMP_OS_WINDOWS
375 #define KMP_NORETURN __declspec(noreturn)
376 #else
377 #define KMP_NORETURN __attribute__((noreturn))
378 #endif
379
380 #if KMP_OS_WINDOWS && KMP_MSVC_COMPAT
381 #define KMP_ALIGN(bytes) __declspec(align(bytes))
382 #define KMP_THREAD_LOCAL __declspec(thread)
383 #define KMP_ALIAS /* Nothing */
384 #else
385 #define KMP_ALIGN(bytes) __attribute__((aligned(bytes)))
386 #define KMP_THREAD_LOCAL __thread
387 #define KMP_ALIAS(alias_of) __attribute__((alias(alias_of)))
388 #endif
389
390 #if KMP_HAVE_WEAK_ATTRIBUTE && !KMP_DYNAMIC_LIB
391 #define KMP_WEAK_ATTRIBUTE_EXTERNAL __attribute__((weak))
392 #else
393 #define KMP_WEAK_ATTRIBUTE_EXTERNAL /* Nothing */
394 #endif
395
396 #if KMP_HAVE_WEAK_ATTRIBUTE
397 #define KMP_WEAK_ATTRIBUTE_INTERNAL __attribute__((weak))
398 #else
399 #define KMP_WEAK_ATTRIBUTE_INTERNAL /* Nothing */
400 #endif
401
402 // Define KMP_VERSION_SYMBOL and KMP_EXPAND_NAME
403 #ifndef KMP_STR
404 #define KMP_STR(x) _KMP_STR(x)
405 #define _KMP_STR(x) #x
406 #endif
407
408 #ifdef KMP_USE_VERSION_SYMBOLS
409 // If using versioned symbols, KMP_EXPAND_NAME prepends
410 // __kmp_api_ to the real API name
411 #define KMP_EXPAND_NAME(api_name) _KMP_EXPAND_NAME(api_name)
412 #define _KMP_EXPAND_NAME(api_name) __kmp_api_##api_name
413 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) \
414 _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, "VERSION")
415 #define _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, default_ver) \
416 __typeof__(__kmp_api_##api_name) __kmp_api_##api_name##_##ver_num##_alias \
417 __attribute__((alias(KMP_STR(__kmp_api_##api_name)))); \
418 __asm__( \
419 ".symver " KMP_STR(__kmp_api_##api_name##_##ver_num##_alias) "," KMP_STR( \
420 api_name) "@" ver_str "\n\t"); \
421 __asm__(".symver " KMP_STR(__kmp_api_##api_name) "," KMP_STR( \
422 api_name) "@@" default_ver "\n\t")
423
424 #define KMP_VERSION_OMPC_SYMBOL(apic_name, api_name, ver_num, ver_str) \
425 _KMP_VERSION_OMPC_SYMBOL(apic_name, api_name, ver_num, ver_str, "VERSION")
426 #define _KMP_VERSION_OMPC_SYMBOL(apic_name, api_name, ver_num, ver_str, \
427 default_ver) \
428 __typeof__(__kmp_api_##apic_name) __kmp_api_##apic_name##_##ver_num##_alias \
429 __attribute__((alias(KMP_STR(__kmp_api_##apic_name)))); \
430 __asm__(".symver " KMP_STR(__kmp_api_##apic_name) "," KMP_STR( \
431 apic_name) "@@" default_ver "\n\t"); \
432 __asm__( \
433 ".symver " KMP_STR(__kmp_api_##apic_name##_##ver_num##_alias) "," KMP_STR( \
434 api_name) "@" ver_str "\n\t")
435
436 #else // KMP_USE_VERSION_SYMBOLS
437 #define KMP_EXPAND_NAME(api_name) api_name
438 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) /* Nothing */
439 #define KMP_VERSION_OMPC_SYMBOL(apic_name, api_name, ver_num, \
440 ver_str) /* Nothing */
441 #endif // KMP_USE_VERSION_SYMBOLS
442
443 /* Temporary note: if performance testing of this passes, we can remove
444 all references to KMP_DO_ALIGN and replace with KMP_ALIGN. */
445 #define KMP_DO_ALIGN(bytes) KMP_ALIGN(bytes)
446 #define KMP_ALIGN_CACHE KMP_ALIGN(CACHE_LINE)
447 #define KMP_ALIGN_CACHE_INTERNODE KMP_ALIGN(INTERNODE_CACHE_LINE)
448
449 /* General purpose fence types for memory operations */
450 enum kmp_mem_fence_type {
451 kmp_no_fence, /* No memory fence */
452 kmp_acquire_fence, /* Acquire (read) memory fence */
453 kmp_release_fence, /* Release (write) memory fence */
454 kmp_full_fence /* Full (read+write) memory fence */
455 };
456
457 // Synchronization primitives
458
459 #if KMP_ASM_INTRINS && KMP_OS_WINDOWS && !((KMP_ARCH_AARCH64 || KMP_ARCH_ARM) && (KMP_COMPILER_CLANG || KMP_COMPILER_GCC))
460
461 #if KMP_MSVC_COMPAT && !KMP_COMPILER_CLANG
462 #pragma intrinsic(InterlockedExchangeAdd)
463 #pragma intrinsic(InterlockedCompareExchange)
464 #pragma intrinsic(InterlockedExchange)
465 #if !(KMP_COMPILER_ICX && KMP_32_BIT_ARCH)
466 #pragma intrinsic(InterlockedExchange64)
467 #endif
468 #endif
469
470 // Using InterlockedIncrement / InterlockedDecrement causes a library loading
471 // ordering problem, so we use InterlockedExchangeAdd instead.
472 #define KMP_TEST_THEN_INC32(p) InterlockedExchangeAdd((volatile long *)(p), 1)
473 #define KMP_TEST_THEN_INC_ACQ32(p) \
474 InterlockedExchangeAdd((volatile long *)(p), 1)
475 #define KMP_TEST_THEN_ADD4_32(p) InterlockedExchangeAdd((volatile long *)(p), 4)
476 #define KMP_TEST_THEN_ADD4_ACQ32(p) \
477 InterlockedExchangeAdd((volatile long *)(p), 4)
478 #define KMP_TEST_THEN_DEC32(p) InterlockedExchangeAdd((volatile long *)(p), -1)
479 #define KMP_TEST_THEN_DEC_ACQ32(p) \
480 InterlockedExchangeAdd((volatile long *)(p), -1)
481 #define KMP_TEST_THEN_ADD32(p, v) \
482 InterlockedExchangeAdd((volatile long *)(p), (v))
483
484 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \
485 InterlockedCompareExchange((volatile long *)(p), (long)(sv), (long)(cv))
486
487 #define KMP_XCHG_FIXED32(p, v) \
488 InterlockedExchange((volatile long *)(p), (long)(v))
489 #define KMP_XCHG_FIXED64(p, v) \
490 InterlockedExchange64((volatile kmp_int64 *)(p), (kmp_int64)(v))
491
492 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) {
493 kmp_int32 tmp = InterlockedExchange((volatile long *)p, *(long *)&v);
494 return *(kmp_real32 *)&tmp;
495 }
496
497 #define KMP_TEST_THEN_OR8(p, v) __kmp_test_then_or8((p), (v))
498 #define KMP_TEST_THEN_AND8(p, v) __kmp_test_then_and8((p), (v))
499 #define KMP_TEST_THEN_OR32(p, v) __kmp_test_then_or32((p), (v))
500 #define KMP_TEST_THEN_AND32(p, v) __kmp_test_then_and32((p), (v))
501 #define KMP_TEST_THEN_OR64(p, v) __kmp_test_then_or64((p), (v))
502 #define KMP_TEST_THEN_AND64(p, v) __kmp_test_then_and64((p), (v))
503
504 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v);
505 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v);
506 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v);
507 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v);
508 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v);
509 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v);
510 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v);
511 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v);
512
513 #if KMP_ARCH_AARCH64 && KMP_COMPILER_MSVC && !KMP_COMPILER_CLANG
514 #define KMP_TEST_THEN_INC64(p) _InterlockedExchangeAdd64((p), 1LL)
515 #define KMP_TEST_THEN_INC_ACQ64(p) _InterlockedExchangeAdd64_acq((p), 1LL)
516 #define KMP_TEST_THEN_ADD4_64(p) _InterlockedExchangeAdd64((p), 4LL)
517 // #define KMP_TEST_THEN_ADD4_ACQ64(p) _InterlockedExchangeAdd64_acq((p), 4LL)
518 // #define KMP_TEST_THEN_DEC64(p) _InterlockedExchangeAdd64((p), -1LL)
519 // #define KMP_TEST_THEN_DEC_ACQ64(p) _InterlockedExchangeAdd64_acq((p), -1LL)
520 // #define KMP_TEST_THEN_ADD8(p, v) _InterlockedExchangeAdd8((p), (v))
521 #define KMP_TEST_THEN_ADD64(p, v) _InterlockedExchangeAdd64((p), (v))
522
523 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
524 __kmp_compare_and_store_acq8((p), (cv), (sv))
525 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
526 __kmp_compare_and_store_rel8((p), (cv), (sv))
527 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
528 __kmp_compare_and_store_acq16((p), (cv), (sv))
529 /*
530 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
531 __kmp_compare_and_store_rel16((p), (cv), (sv))
532 */
533 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
534 __kmp_compare_and_store_acq32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
535 (kmp_int32)(sv))
536 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
537 __kmp_compare_and_store_rel32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
538 (kmp_int32)(sv))
539 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
540 __kmp_compare_and_store_acq64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
541 (kmp_int64)(sv))
542 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
543 __kmp_compare_and_store_rel64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
544 (kmp_int64)(sv))
545 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
546 __kmp_compare_and_store_ptr((void *volatile *)(p), (void *)(cv), (void *)(sv))
547
548 // KMP_COMPARE_AND_STORE expects this order: pointer, compare, exchange
549 // _InterlockedCompareExchange expects this order: pointer, exchange, compare
550 // KMP_COMPARE_AND_STORE also returns a bool indicating a successful write. A
551 // write is successful if the return value of _InterlockedCompareExchange is the
552 // same as the compare value.
553 inline kmp_int8 __kmp_compare_and_store_acq8(volatile kmp_int8 *p, kmp_int8 cv,
554 kmp_int8 sv) {
555 return _InterlockedCompareExchange8_acq(p, sv, cv) == cv;
556 }
557
558 inline kmp_int8 __kmp_compare_and_store_rel8(volatile kmp_int8 *p, kmp_int8 cv,
559 kmp_int8 sv) {
560 return _InterlockedCompareExchange8_rel(p, sv, cv) == cv;
561 }
562
563 inline kmp_int16 __kmp_compare_and_store_acq16(volatile kmp_int16 *p,
564 kmp_int16 cv, kmp_int16 sv) {
565 return _InterlockedCompareExchange16_acq(p, sv, cv) == cv;
566 }
567
568 inline kmp_int16 __kmp_compare_and_store_rel16(volatile kmp_int16 *p,
569 kmp_int16 cv, kmp_int16 sv) {
570 return _InterlockedCompareExchange16_rel(p, sv, cv) == cv;
571 }
572
573 inline kmp_int32 __kmp_compare_and_store_acq32(volatile kmp_int32 *p,
574 kmp_int32 cv, kmp_int32 sv) {
575 return _InterlockedCompareExchange_acq((volatile long *)p, sv, cv) == cv;
576 }
577
578 inline kmp_int32 __kmp_compare_and_store_rel32(volatile kmp_int32 *p,
579 kmp_int32 cv, kmp_int32 sv) {
580 return _InterlockedCompareExchange_rel((volatile long *)p, sv, cv) == cv;
581 }
582
583 inline kmp_int32 __kmp_compare_and_store_acq64(volatile kmp_int64 *p,
584 kmp_int64 cv, kmp_int64 sv) {
585 return _InterlockedCompareExchange64_acq(p, sv, cv) == cv;
586 }
587
588 inline kmp_int32 __kmp_compare_and_store_rel64(volatile kmp_int64 *p,
589 kmp_int64 cv, kmp_int64 sv) {
590 return _InterlockedCompareExchange64_rel(p, sv, cv) == cv;
591 }
592
593 inline kmp_int32 __kmp_compare_and_store_ptr(void *volatile *p, void *cv,
594 void *sv) {
595 return _InterlockedCompareExchangePointer(p, sv, cv) == cv;
596 }
597
598 // The _RET versions return the value instead of a bool
599
600 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
601 _InterlockedCompareExchange8((p), (sv), (cv))
602 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
603 _InterlockedCompareExchange16((p), (sv), (cv))
604
605 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
606 _InterlockedCompareExchange64((volatile kmp_int64 *)(p), (kmp_int64)(sv), \
607 (kmp_int64)(cv))
608
609
610 #define KMP_XCHG_FIXED8(p, v) \
611 _InterlockedExchange8((volatile kmp_int8 *)(p), (kmp_int8)(v));
612 #define KMP_XCHG_FIXED16(p, v) _InterlockedExchange16((p), (v));
613 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v));
614
615 inline kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v) {
616 kmp_int64 tmp = _InterlockedExchange64((volatile kmp_int64 *)p, *(kmp_int64
617 *)&v); return *(kmp_real64 *)&tmp;
618 }
619
620 #else // !KMP_ARCH_AARCH64
621
622 // Routines that we still need to implement in assembly.
623 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v);
624
625 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv,
626 kmp_int8 sv);
627 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv,
628 kmp_int16 sv);
629 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv,
630 kmp_int32 sv);
631 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv,
632 kmp_int64 sv);
633 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv,
634 kmp_int8 sv);
635 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p,
636 kmp_int16 cv, kmp_int16 sv);
637 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p,
638 kmp_int32 cv, kmp_int32 sv);
639 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p,
640 kmp_int64 cv, kmp_int64 sv);
641
642 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v);
643 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v);
644 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v);
645 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v);
646 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v);
647 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v);
648
649 //#define KMP_TEST_THEN_INC32(p) __kmp_test_then_add32((p), 1)
650 //#define KMP_TEST_THEN_INC_ACQ32(p) __kmp_test_then_add32((p), 1)
651 #define KMP_TEST_THEN_INC64(p) __kmp_test_then_add64((p), 1LL)
652 #define KMP_TEST_THEN_INC_ACQ64(p) __kmp_test_then_add64((p), 1LL)
653 //#define KMP_TEST_THEN_ADD4_32(p) __kmp_test_then_add32((p), 4)
654 //#define KMP_TEST_THEN_ADD4_ACQ32(p) __kmp_test_then_add32((p), 4)
655 #define KMP_TEST_THEN_ADD4_64(p) __kmp_test_then_add64((p), 4LL)
656 #define KMP_TEST_THEN_ADD4_ACQ64(p) __kmp_test_then_add64((p), 4LL)
657 //#define KMP_TEST_THEN_DEC32(p) __kmp_test_then_add32((p), -1)
658 //#define KMP_TEST_THEN_DEC_ACQ32(p) __kmp_test_then_add32((p), -1)
659 #define KMP_TEST_THEN_DEC64(p) __kmp_test_then_add64((p), -1LL)
660 #define KMP_TEST_THEN_DEC_ACQ64(p) __kmp_test_then_add64((p), -1LL)
661 //#define KMP_TEST_THEN_ADD32(p, v) __kmp_test_then_add32((p), (v))
662 #define KMP_TEST_THEN_ADD8(p, v) __kmp_test_then_add8((p), (v))
663 #define KMP_TEST_THEN_ADD64(p, v) __kmp_test_then_add64((p), (v))
664
665
666 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
667 __kmp_compare_and_store8((p), (cv), (sv))
668 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
669 __kmp_compare_and_store8((p), (cv), (sv))
670 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
671 __kmp_compare_and_store16((p), (cv), (sv))
672 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
673 __kmp_compare_and_store16((p), (cv), (sv))
674 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
675 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
676 (kmp_int32)(sv))
677 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
678 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
679 (kmp_int32)(sv))
680 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
681 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
682 (kmp_int64)(sv))
683 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
684 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
685 (kmp_int64)(sv))
686
687 #if KMP_ARCH_X86
688 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
689 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
690 (kmp_int32)(sv))
691 #else /* 64 bit pointers */
692 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
693 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
694 (kmp_int64)(sv))
695 #endif /* KMP_ARCH_X86 */
696
697 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
698 __kmp_compare_and_store_ret8((p), (cv), (sv))
699 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
700 __kmp_compare_and_store_ret16((p), (cv), (sv))
701 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
702 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
703 (kmp_int64)(sv))
704
705 #define KMP_XCHG_FIXED8(p, v) \
706 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v));
707 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v));
708 //#define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v));
709 //#define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v));
710 //#define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v));
711 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v));
712 #endif
713
714 #elif (KMP_ASM_INTRINS && KMP_OS_UNIX) || !(KMP_ARCH_X86 || KMP_ARCH_X86_64)
715
716 /* cast p to correct type so that proper intrinsic will be used */
717 #define KMP_TEST_THEN_INC32(p) \
718 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1)
719 #define KMP_TEST_THEN_INC_ACQ32(p) \
720 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1)
721 #if KMP_ARCH_MIPS
722 #define KMP_TEST_THEN_INC64(p) \
723 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
724 #define KMP_TEST_THEN_INC_ACQ64(p) \
725 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
726 #else
727 #define KMP_TEST_THEN_INC64(p) \
728 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL)
729 #define KMP_TEST_THEN_INC_ACQ64(p) \
730 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL)
731 #endif
732 #define KMP_TEST_THEN_ADD4_32(p) \
733 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4)
734 #define KMP_TEST_THEN_ADD4_ACQ32(p) \
735 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4)
736 #if KMP_ARCH_MIPS
737 #define KMP_TEST_THEN_ADD4_64(p) \
738 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST)
739 #define KMP_TEST_THEN_ADD4_ACQ64(p) \
740 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST)
741 #define KMP_TEST_THEN_DEC64(p) \
742 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
743 #define KMP_TEST_THEN_DEC_ACQ64(p) \
744 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
745 #else
746 #define KMP_TEST_THEN_ADD4_64(p) \
747 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL)
748 #define KMP_TEST_THEN_ADD4_ACQ64(p) \
749 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL)
750 #define KMP_TEST_THEN_DEC64(p) \
751 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL)
752 #define KMP_TEST_THEN_DEC_ACQ64(p) \
753 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL)
754 #endif
755 #define KMP_TEST_THEN_DEC32(p) \
756 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1)
757 #define KMP_TEST_THEN_DEC_ACQ32(p) \
758 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1)
759 #define KMP_TEST_THEN_ADD8(p, v) \
760 __sync_fetch_and_add((volatile kmp_int8 *)(p), (kmp_int8)(v))
761 #define KMP_TEST_THEN_ADD32(p, v) \
762 __sync_fetch_and_add((volatile kmp_int32 *)(p), (kmp_int32)(v))
763 #if KMP_ARCH_MIPS
764 #define KMP_TEST_THEN_ADD64(p, v) \
765 __atomic_fetch_add((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \
766 __ATOMIC_SEQ_CST)
767 #else
768 #define KMP_TEST_THEN_ADD64(p, v) \
769 __sync_fetch_and_add((volatile kmp_int64 *)(p), (kmp_int64)(v))
770 #endif
771
772 #define KMP_TEST_THEN_OR8(p, v) \
773 __sync_fetch_and_or((volatile kmp_int8 *)(p), (kmp_int8)(v))
774 #define KMP_TEST_THEN_AND8(p, v) \
775 __sync_fetch_and_and((volatile kmp_int8 *)(p), (kmp_int8)(v))
776 #define KMP_TEST_THEN_OR32(p, v) \
777 __sync_fetch_and_or((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
778 #define KMP_TEST_THEN_AND32(p, v) \
779 __sync_fetch_and_and((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
780 #if KMP_ARCH_MIPS
781 #define KMP_TEST_THEN_OR64(p, v) \
782 __atomic_fetch_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \
783 __ATOMIC_SEQ_CST)
784 #define KMP_TEST_THEN_AND64(p, v) \
785 __atomic_fetch_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \
786 __ATOMIC_SEQ_CST)
787 #else
788 #define KMP_TEST_THEN_OR64(p, v) \
789 __sync_fetch_and_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
790 #define KMP_TEST_THEN_AND64(p, v) \
791 __sync_fetch_and_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
792 #endif
793
794 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
795 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \
796 (kmp_uint8)(sv))
797 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
798 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \
799 (kmp_uint8)(sv))
800 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
801 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \
802 (kmp_uint16)(sv))
803 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
804 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \
805 (kmp_uint16)(sv))
806 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
807 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \
808 (kmp_uint32)(sv))
809 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
810 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \
811 (kmp_uint32)(sv))
812 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
813 __sync_bool_compare_and_swap((void *volatile *)(p), (void *)(cv), \
814 (void *)(sv))
815
816 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
817 __sync_val_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \
818 (kmp_uint8)(sv))
819 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
820 __sync_val_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \
821 (kmp_uint16)(sv))
822 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \
823 __sync_val_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \
824 (kmp_uint32)(sv))
825 #if KMP_ARCH_MIPS
826 static inline bool mips_sync_bool_compare_and_swap(volatile kmp_uint64 *p,
827 kmp_uint64 cv,
828 kmp_uint64 sv) {
829 return __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST,
830 __ATOMIC_SEQ_CST);
831 }
832 static inline bool mips_sync_val_compare_and_swap(volatile kmp_uint64 *p,
833 kmp_uint64 cv,
834 kmp_uint64 sv) {
835 __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST,
836 __ATOMIC_SEQ_CST);
837 return cv;
838 }
839 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
840 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), \
841 (kmp_uint64)(cv), (kmp_uint64)(sv))
842 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
843 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), \
844 (kmp_uint64)(cv), (kmp_uint64)(sv))
845 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
846 mips_sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
847 (kmp_uint64)(sv))
848 #else
849 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
850 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
851 (kmp_uint64)(sv))
852 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
853 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
854 (kmp_uint64)(sv))
855 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
856 __sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
857 (kmp_uint64)(sv))
858 #endif
859
860 #if KMP_OS_DARWIN && defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1800
861 #define KMP_XCHG_FIXED8(p, v) \
862 __atomic_exchange_1((volatile kmp_uint8 *)(p), (kmp_uint8)(v), \
863 __ATOMIC_SEQ_CST)
864 #else
865 #define KMP_XCHG_FIXED8(p, v) \
866 __sync_lock_test_and_set((volatile kmp_uint8 *)(p), (kmp_uint8)(v))
867 #endif
868 #define KMP_XCHG_FIXED16(p, v) \
869 __sync_lock_test_and_set((volatile kmp_uint16 *)(p), (kmp_uint16)(v))
870 #define KMP_XCHG_FIXED32(p, v) \
871 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
872 #define KMP_XCHG_FIXED64(p, v) \
873 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
874
875 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) {
876 volatile kmp_uint32 *up;
877 kmp_uint32 uv;
878 memcpy(&up, &p, sizeof(up));
879 memcpy(&uv, &v, sizeof(uv));
880 kmp_int32 tmp = __sync_lock_test_and_set(up, uv);
881 kmp_real32 ftmp;
882 memcpy(&ftmp, &tmp, sizeof(tmp));
883 return ftmp;
884 }
885
886 inline kmp_real64 KMP_XCHG_REAL64(volatile kmp_real64 *p, kmp_real64 v) {
887 volatile kmp_uint64 *up;
888 kmp_uint64 uv;
889 memcpy(&up, &p, sizeof(up));
890 memcpy(&uv, &v, sizeof(uv));
891 kmp_int64 tmp = __sync_lock_test_and_set(up, uv);
892 kmp_real64 dtmp;
893 memcpy(&dtmp, &tmp, sizeof(tmp));
894 return dtmp;
895 }
896
897 #else
898
899 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v);
900 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v);
901 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v);
902 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v);
903 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v);
904 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v);
905 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v);
906 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v);
907 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v);
908
909 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv,
910 kmp_int8 sv);
911 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv,
912 kmp_int16 sv);
913 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv,
914 kmp_int32 sv);
915 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv,
916 kmp_int64 sv);
917 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv,
918 kmp_int8 sv);
919 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p,
920 kmp_int16 cv, kmp_int16 sv);
921 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p,
922 kmp_int32 cv, kmp_int32 sv);
923 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p,
924 kmp_int64 cv, kmp_int64 sv);
925
926 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v);
927 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v);
928 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v);
929 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v);
930 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v);
931 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v);
932
933 #define KMP_TEST_THEN_INC32(p) \
934 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1)
935 #define KMP_TEST_THEN_INC_ACQ32(p) \
936 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1)
937 #define KMP_TEST_THEN_INC64(p) \
938 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL)
939 #define KMP_TEST_THEN_INC_ACQ64(p) \
940 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL)
941 #define KMP_TEST_THEN_ADD4_32(p) \
942 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4)
943 #define KMP_TEST_THEN_ADD4_ACQ32(p) \
944 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4)
945 #define KMP_TEST_THEN_ADD4_64(p) \
946 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL)
947 #define KMP_TEST_THEN_ADD4_ACQ64(p) \
948 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL)
949 #define KMP_TEST_THEN_DEC32(p) \
950 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1)
951 #define KMP_TEST_THEN_DEC_ACQ32(p) \
952 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1)
953 #define KMP_TEST_THEN_DEC64(p) \
954 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL)
955 #define KMP_TEST_THEN_DEC_ACQ64(p) \
956 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL)
957 #define KMP_TEST_THEN_ADD8(p, v) \
958 __kmp_test_then_add8((volatile kmp_int8 *)(p), (kmp_int8)(v))
959 #define KMP_TEST_THEN_ADD32(p, v) \
960 __kmp_test_then_add32((volatile kmp_int32 *)(p), (kmp_int32)(v))
961 #define KMP_TEST_THEN_ADD64(p, v) \
962 __kmp_test_then_add64((volatile kmp_int64 *)(p), (kmp_int64)(v))
963
964 #define KMP_TEST_THEN_OR8(p, v) \
965 __kmp_test_then_or8((volatile kmp_int8 *)(p), (kmp_int8)(v))
966 #define KMP_TEST_THEN_AND8(p, v) \
967 __kmp_test_then_and8((volatile kmp_int8 *)(p), (kmp_int8)(v))
968 #define KMP_TEST_THEN_OR32(p, v) \
969 __kmp_test_then_or32((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
970 #define KMP_TEST_THEN_AND32(p, v) \
971 __kmp_test_then_and32((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
972 #define KMP_TEST_THEN_OR64(p, v) \
973 __kmp_test_then_or64((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
974 #define KMP_TEST_THEN_AND64(p, v) \
975 __kmp_test_then_and64((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
976
977 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
978 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \
979 (kmp_int8)(sv))
980 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
981 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \
982 (kmp_int8)(sv))
983 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
984 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \
985 (kmp_int16)(sv))
986 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
987 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \
988 (kmp_int16)(sv))
989 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
990 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
991 (kmp_int32)(sv))
992 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
993 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
994 (kmp_int32)(sv))
995 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
996 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
997 (kmp_int64)(sv))
998 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
999 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
1000 (kmp_int64)(sv))
1001
1002 #if KMP_ARCH_X86
1003 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
1004 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
1005 (kmp_int32)(sv))
1006 #else /* 64 bit pointers */
1007 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
1008 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
1009 (kmp_int64)(sv))
1010 #endif /* KMP_ARCH_X86 */
1011
1012 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
1013 __kmp_compare_and_store_ret8((p), (cv), (sv))
1014 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
1015 __kmp_compare_and_store_ret16((p), (cv), (sv))
1016 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \
1017 __kmp_compare_and_store_ret32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
1018 (kmp_int32)(sv))
1019 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
1020 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
1021 (kmp_int64)(sv))
1022
1023 #define KMP_XCHG_FIXED8(p, v) \
1024 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v));
1025 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v));
1026 #define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v));
1027 #define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v));
1028 #define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v));
1029 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v));
1030
1031 #endif /* KMP_ASM_INTRINS */
1032
1033 /* ------------- relaxed consistency memory model stuff ------------------ */
1034
1035 #if KMP_OS_WINDOWS
1036 #ifdef __ABSOFT_WIN
1037 #define KMP_MB() asm("nop")
1038 #define KMP_IMB() asm("nop")
1039 #else
1040 #define KMP_MB() /* _asm{ nop } */
1041 #define KMP_IMB() /* _asm{ nop } */
1042 #endif
1043 #endif /* KMP_OS_WINDOWS */
1044
1045 #if KMP_ARCH_PPC64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS || \
1046 KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64 || KMP_ARCH_LOONGARCH64 || KMP_ARCH_VE
1047 #if KMP_OS_WINDOWS
1048 #undef KMP_MB
1049 #define KMP_MB() std::atomic_thread_fence(std::memory_order_seq_cst)
1050 #else /* !KMP_OS_WINDOWS */
1051 #define KMP_MB() __sync_synchronize()
1052 #endif
1053 #endif
1054
1055 #ifndef KMP_MB
1056 #define KMP_MB() /* nothing to do */
1057 #endif
1058
1059 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
1060 #if KMP_MIC
1061 // fence-style instructions do not exist, but lock; xaddl $0,(%rsp) can be used.
1062 // We shouldn't need it, though, since the ABI rules require that
1063 // * If the compiler generates NGO stores it also generates the fence
1064 // * If users hand-code NGO stores they should insert the fence
1065 // therefore no incomplete unordered stores should be visible.
1066 #define KMP_MFENCE() /* Nothing */
1067 #define KMP_SFENCE() /* Nothing */
1068 #else
1069 #if KMP_COMPILER_ICC || KMP_COMPILER_ICX
1070 #define KMP_MFENCE_() _mm_mfence()
1071 #define KMP_SFENCE_() _mm_sfence()
1072 #elif KMP_COMPILER_MSVC
1073 #define KMP_MFENCE_() MemoryBarrier()
1074 #define KMP_SFENCE_() MemoryBarrier()
1075 #else
1076 #define KMP_MFENCE_() __sync_synchronize()
1077 #define KMP_SFENCE_() __sync_synchronize()
1078 #endif
1079 #define KMP_MFENCE() \
1080 if (UNLIKELY(!__kmp_cpuinfo.initialized)) { \
1081 __kmp_query_cpuid(&__kmp_cpuinfo); \
1082 } \
1083 if (__kmp_cpuinfo.flags.sse2) { \
1084 KMP_MFENCE_(); \
1085 }
1086 #define KMP_SFENCE() KMP_SFENCE_()
1087 #endif
1088 #else
1089 #define KMP_MFENCE() KMP_MB()
1090 #define KMP_SFENCE() KMP_MB()
1091 #endif
1092
1093 #ifndef KMP_IMB
1094 #define KMP_IMB() /* nothing to do */
1095 #endif
1096
1097 #ifndef KMP_ST_REL32
1098 #define KMP_ST_REL32(A, D) (*(A) = (D))
1099 #endif
1100
1101 #ifndef KMP_ST_REL64
1102 #define KMP_ST_REL64(A, D) (*(A) = (D))
1103 #endif
1104
1105 #ifndef KMP_LD_ACQ32
1106 #define KMP_LD_ACQ32(A) (*(A))
1107 #endif
1108
1109 #ifndef KMP_LD_ACQ64
1110 #define KMP_LD_ACQ64(A) (*(A))
1111 #endif
1112
1113 /* ------------------------------------------------------------------------ */
1114 // FIXME - maybe this should this be
1115 //
1116 // #define TCR_4(a) (*(volatile kmp_int32 *)(&a))
1117 // #define TCW_4(a,b) (a) = (*(volatile kmp_int32 *)&(b))
1118 //
1119 // #define TCR_8(a) (*(volatile kmp_int64 *)(a))
1120 // #define TCW_8(a,b) (a) = (*(volatile kmp_int64 *)(&b))
1121 //
1122 // I'm fairly certain this is the correct thing to do, but I'm afraid
1123 // of performance regressions.
1124
1125 #define TCR_1(a) (a)
1126 #define TCW_1(a, b) (a) = (b)
1127 #define TCR_4(a) (a)
1128 #define TCW_4(a, b) (a) = (b)
1129 #define TCI_4(a) (++(a))
1130 #define TCD_4(a) (--(a))
1131 #define TCR_8(a) (a)
1132 #define TCW_8(a, b) (a) = (b)
1133 #define TCI_8(a) (++(a))
1134 #define TCD_8(a) (--(a))
1135 #define TCR_SYNC_4(a) (a)
1136 #define TCW_SYNC_4(a, b) (a) = (b)
1137 #define TCX_SYNC_4(a, b, c) \
1138 KMP_COMPARE_AND_STORE_REL32((volatile kmp_int32 *)(volatile void *)&(a), \
1139 (kmp_int32)(b), (kmp_int32)(c))
1140 #define TCR_SYNC_8(a) (a)
1141 #define TCW_SYNC_8(a, b) (a) = (b)
1142 #define TCX_SYNC_8(a, b, c) \
1143 KMP_COMPARE_AND_STORE_REL64((volatile kmp_int64 *)(volatile void *)&(a), \
1144 (kmp_int64)(b), (kmp_int64)(c))
1145
1146 #if KMP_ARCH_X86 || KMP_ARCH_MIPS
1147 // What about ARM?
1148 #define TCR_PTR(a) ((void *)TCR_4(a))
1149 #define TCW_PTR(a, b) TCW_4((a), (b))
1150 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_4(a))
1151 #define TCW_SYNC_PTR(a, b) TCW_SYNC_4((a), (b))
1152 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_4((a), (b), (c)))
1153
1154 #else /* 64 bit pointers */
1155
1156 #define TCR_PTR(a) ((void *)TCR_8(a))
1157 #define TCW_PTR(a, b) TCW_8((a), (b))
1158 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_8(a))
1159 #define TCW_SYNC_PTR(a, b) TCW_SYNC_8((a), (b))
1160 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_8((a), (b), (c)))
1161
1162 #endif /* KMP_ARCH_X86 */
1163
1164 /* If these FTN_{TRUE,FALSE} values change, may need to change several places
1165 where they are used to check that language is Fortran, not C. */
1166
1167 #ifndef FTN_TRUE
1168 #define FTN_TRUE TRUE
1169 #endif
1170
1171 #ifndef FTN_FALSE
1172 #define FTN_FALSE FALSE
1173 #endif
1174
1175 typedef void (*microtask_t)(int *gtid, int *npr, ...);
1176
1177 #ifdef USE_VOLATILE_CAST
1178 #define VOLATILE_CAST(x) (volatile x)
1179 #else
1180 #define VOLATILE_CAST(x) (x)
1181 #endif
1182
1183 #define KMP_WAIT __kmp_wait_4
1184 #define KMP_WAIT_PTR __kmp_wait_4_ptr
1185 #define KMP_EQ __kmp_eq_4
1186 #define KMP_NEQ __kmp_neq_4
1187 #define KMP_LT __kmp_lt_4
1188 #define KMP_GE __kmp_ge_4
1189 #define KMP_LE __kmp_le_4
1190
1191 /* Workaround for Intel(R) 64 code gen bug when taking address of static array
1192 * (Intel(R) 64 Tracker #138) */
1193 #if (KMP_ARCH_X86_64 || KMP_ARCH_PPC64) && KMP_OS_LINUX
1194 #define STATIC_EFI2_WORKAROUND
1195 #else
1196 #define STATIC_EFI2_WORKAROUND static
1197 #endif
1198
1199 // Support of BGET usage
1200 #ifndef KMP_USE_BGET
1201 #define KMP_USE_BGET 1
1202 #endif
1203
1204 // Switches for OSS builds
1205 #ifndef USE_CMPXCHG_FIX
1206 #define USE_CMPXCHG_FIX 1
1207 #endif
1208
1209 // Enable dynamic user lock
1210 #define KMP_USE_DYNAMIC_LOCK 1
1211
1212 // Enable Intel(R) Transactional Synchronization Extensions (Intel(R) TSX) if
1213 // dynamic user lock is turned on
1214 #if KMP_USE_DYNAMIC_LOCK
1215 // Visual studio can't handle the asm sections in this code
1216 #define KMP_USE_TSX (KMP_ARCH_X86 || KMP_ARCH_X86_64) && !KMP_COMPILER_MSVC
1217 #ifdef KMP_USE_ADAPTIVE_LOCKS
1218 #undef KMP_USE_ADAPTIVE_LOCKS
1219 #endif
1220 #define KMP_USE_ADAPTIVE_LOCKS KMP_USE_TSX
1221 #endif
1222
1223 // Enable tick time conversion of ticks to seconds
1224 #if KMP_STATS_ENABLED
1225 #define KMP_HAVE_TICK_TIME \
1226 (KMP_OS_LINUX && (KMP_MIC || KMP_ARCH_X86 || KMP_ARCH_X86_64))
1227 #endif
1228
1229 // Warning levels
1230 enum kmp_warnings_level {
1231 kmp_warnings_off = 0, /* No warnings */
1232 kmp_warnings_low, /* Minimal warnings (default) */
1233 kmp_warnings_explicit = 6, /* Explicitly set to ON - more warnings */
1234 kmp_warnings_verbose /* reserved */
1235 };
1236
1237 #ifdef __cplusplus
1238 } // extern "C"
1239 #endif // __cplusplus
1240
1241 // Safe C API
1242 #include "kmp_safe_c_api.h"
1243
1244 // Macros for C++11 atomic functions
1245 #define KMP_ATOMIC_LD(p, order) (p)->load(std::memory_order_##order)
1246 #define KMP_ATOMIC_OP(op, p, v, order) (p)->op(v, std::memory_order_##order)
1247
1248 // For non-default load/store
1249 #define KMP_ATOMIC_LD_ACQ(p) KMP_ATOMIC_LD(p, acquire)
1250 #define KMP_ATOMIC_LD_RLX(p) KMP_ATOMIC_LD(p, relaxed)
1251 #define KMP_ATOMIC_ST_REL(p, v) KMP_ATOMIC_OP(store, p, v, release)
1252 #define KMP_ATOMIC_ST_RLX(p, v) KMP_ATOMIC_OP(store, p, v, relaxed)
1253
1254 // For non-default fetch_<op>
1255 #define KMP_ATOMIC_ADD(p, v) KMP_ATOMIC_OP(fetch_add, p, v, acq_rel)
1256 #define KMP_ATOMIC_SUB(p, v) KMP_ATOMIC_OP(fetch_sub, p, v, acq_rel)
1257 #define KMP_ATOMIC_AND(p, v) KMP_ATOMIC_OP(fetch_and, p, v, acq_rel)
1258 #define KMP_ATOMIC_OR(p, v) KMP_ATOMIC_OP(fetch_or, p, v, acq_rel)
1259 #define KMP_ATOMIC_INC(p) KMP_ATOMIC_OP(fetch_add, p, 1, acq_rel)
1260 #define KMP_ATOMIC_DEC(p) KMP_ATOMIC_OP(fetch_sub, p, 1, acq_rel)
1261 #define KMP_ATOMIC_ADD_RLX(p, v) KMP_ATOMIC_OP(fetch_add, p, v, relaxed)
1262 #define KMP_ATOMIC_INC_RLX(p) KMP_ATOMIC_OP(fetch_add, p, 1, relaxed)
1263
1264 // Callers of the following functions cannot see the side effect on "expected".
1265 template <typename T>
1266 bool __kmp_atomic_compare_store(std::atomic<T> *p, T expected, T desired) {
1267 return p->compare_exchange_strong(
1268 expected, desired, std::memory_order_acq_rel, std::memory_order_relaxed);
1269 }
1270
1271 template <typename T>
1272 bool __kmp_atomic_compare_store_acq(std::atomic<T> *p, T expected, T desired) {
1273 return p->compare_exchange_strong(
1274 expected, desired, std::memory_order_acquire, std::memory_order_relaxed);
1275 }
1276
1277 template <typename T>
1278 bool __kmp_atomic_compare_store_rel(std::atomic<T> *p, T expected, T desired) {
1279 return p->compare_exchange_strong(
1280 expected, desired, std::memory_order_release, std::memory_order_relaxed);
1281 }
1282
1283 // Symbol lookup on Linux/Windows
1284 #if KMP_OS_WINDOWS
1285 extern void *__kmp_lookup_symbol(const char *name, bool next = false);
1286 #define KMP_DLSYM(name) __kmp_lookup_symbol(name)
1287 #define KMP_DLSYM_NEXT(name) __kmp_lookup_symbol(name, true)
1288 #else
1289 #define KMP_DLSYM(name) dlsym(RTLD_DEFAULT, name)
1290 #define KMP_DLSYM_NEXT(name) dlsym(RTLD_NEXT, name)
1291 #endif
1292
1293 #endif /* KMP_OS_H */
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