2 * kmp_os.h -- KPTS runtime header file.
5 //===----------------------------------------------------------------------===//
7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8 // See https://llvm.org/LICENSE.txt for license information.
9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
11 //===----------------------------------------------------------------------===//
16 #include "kmp_config.h"
20 #define KMP_FTN_PLAIN 1
21 #define KMP_FTN_APPEND 2
22 #define KMP_FTN_UPPER 3
24 #define KMP_FTN_PREPEND 4
25 #define KMP_FTN_UAPPEND 5
28 #define KMP_PTR_SKIP (sizeof(void *))
30 /* -------------------------- Compiler variations ------------------------ */
35 #define KMP_MEM_CONS_VOLATILE 0
36 #define KMP_MEM_CONS_FENCE 1
38 #ifndef KMP_MEM_CONS_MODEL
39 #define KMP_MEM_CONS_MODEL KMP_MEM_CONS_VOLATILE
42 #ifndef __has_cpp_attribute
43 #define __has_cpp_attribute(x) 0
46 #ifndef __has_attribute
47 #define __has_attribute(x) 0
50 /* ------------------------- Compiler recognition ---------------------- */
51 #define KMP_COMPILER_ICC 0
52 #define KMP_COMPILER_GCC 0
53 #define KMP_COMPILER_CLANG 0
54 #define KMP_COMPILER_MSVC 0
56 #if defined(__INTEL_COMPILER)
57 #undef KMP_COMPILER_ICC
58 #define KMP_COMPILER_ICC 1
59 #elif defined(__clang__)
60 #undef KMP_COMPILER_CLANG
61 #define KMP_COMPILER_CLANG 1
62 #elif defined(__GNUC__)
63 #undef KMP_COMPILER_GCC
64 #define KMP_COMPILER_GCC 1
65 #elif defined(_MSC_VER)
66 #undef KMP_COMPILER_MSVC
67 #define KMP_COMPILER_MSVC 1
69 #error Unknown compiler
72 #if (KMP_OS_LINUX || KMP_OS_WINDOWS || KMP_OS_FREEBSD) && !KMP_OS_CNK
73 #define KMP_AFFINITY_SUPPORTED 1
74 #if KMP_OS_WINDOWS && KMP_ARCH_X86_64
75 #define KMP_GROUP_AFFINITY 1
77 #define KMP_GROUP_AFFINITY 0
80 #define KMP_AFFINITY_SUPPORTED 0
81 #define KMP_GROUP_AFFINITY 0
84 /* Check for quad-precision extension. */
85 #define KMP_HAVE_QUAD 0
86 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
88 /* _Quad is already defined for icc */
90 #define KMP_HAVE_QUAD 1
91 #elif KMP_COMPILER_CLANG
92 /* Clang doesn't support a software-implemented
93 128-bit extended precision type yet */
94 typedef long double _Quad;
95 #elif KMP_COMPILER_GCC
96 /* GCC on NetBSD lacks __multc3/__divtc3 builtins needed for quad */
98 typedef __float128 _Quad;
100 #define KMP_HAVE_QUAD 1
102 #elif KMP_COMPILER_MSVC
103 typedef long double _Quad;
106 #if __LDBL_MAX_EXP__ >= 16384 && KMP_COMPILER_GCC
107 typedef long double _Quad;
109 #define KMP_HAVE_QUAD 1
111 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
113 #define KMP_USE_X87CONTROL 0
115 #define KMP_END_OF_LINE "\r\n"
116 typedef char kmp_int8;
117 typedef unsigned char kmp_uint8;
118 typedef short kmp_int16;
119 typedef unsigned short kmp_uint16;
120 typedef int kmp_int32;
121 typedef unsigned int kmp_uint32;
122 #define KMP_INT32_SPEC "d"
123 #define KMP_UINT32_SPEC "u"
125 typedef __int64 kmp_int64;
126 typedef unsigned __int64 kmp_uint64;
127 #define KMP_INT64_SPEC "I64d"
128 #define KMP_UINT64_SPEC "I64u"
130 struct kmp_struct64 {
133 typedef struct kmp_struct64 kmp_int64;
134 typedef struct kmp_struct64 kmp_uint64;
135 /* Not sure what to use for KMP_[U]INT64_SPEC here */
137 #if KMP_ARCH_X86 && KMP_MSVC_COMPAT
138 #undef KMP_USE_X87CONTROL
139 #define KMP_USE_X87CONTROL 1
143 typedef __int64 kmp_intptr_t;
144 typedef unsigned __int64 kmp_uintptr_t;
145 #define KMP_INTPTR_SPEC "I64d"
146 #define KMP_UINTPTR_SPEC "I64u"
148 #endif /* KMP_OS_WINDOWS */
151 #define KMP_END_OF_LINE "\n"
152 typedef char kmp_int8;
153 typedef unsigned char kmp_uint8;
154 typedef short kmp_int16;
155 typedef unsigned short kmp_uint16;
156 typedef int kmp_int32;
157 typedef unsigned int kmp_uint32;
158 typedef long long kmp_int64;
159 typedef unsigned long long kmp_uint64;
160 #define KMP_INT32_SPEC "d"
161 #define KMP_UINT32_SPEC "u"
162 #define KMP_INT64_SPEC "lld"
163 #define KMP_UINT64_SPEC "llu"
164 #endif /* KMP_OS_UNIX */
166 #if KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS
167 #define KMP_SIZE_T_SPEC KMP_UINT32_SPEC
168 #elif KMP_ARCH_X86_64 || KMP_ARCH_PPC64 || KMP_ARCH_AARCH64 || \
169 KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64
170 #define KMP_SIZE_T_SPEC KMP_UINT64_SPEC
172 #error "Can't determine size_t printf format specifier."
176 #define KMP_SIZE_T_MAX (0xFFFFFFFF)
178 #define KMP_SIZE_T_MAX (0xFFFFFFFFFFFFFFFF)
181 typedef size_t kmp_size_t;
182 typedef float kmp_real32;
183 typedef double kmp_real64;
187 typedef long kmp_intptr_t;
188 typedef unsigned long kmp_uintptr_t;
189 #define KMP_INTPTR_SPEC "ld"
190 #define KMP_UINTPTR_SPEC "lu"
194 typedef kmp_int64 kmp_int;
195 typedef kmp_uint64 kmp_uint;
197 typedef kmp_int32 kmp_int;
198 typedef kmp_uint32 kmp_uint;
199 #endif /* BUILD_I8 */
200 #define KMP_INT_MAX ((kmp_int32)0x7FFFFFFF)
201 #define KMP_INT_MIN ((kmp_int32)0x80000000)
204 #if (KMP_ARCH_ARM || KMP_ARCH_X86_64 || KMP_ARCH_AARCH64) && \
205 (KMP_OS_FREEBSD || KMP_OS_LINUX)
206 typedef va_list *kmp_va_list;
207 #define kmp_va_deref(ap) (*(ap))
208 #define kmp_va_addr_of(ap) (&(ap))
210 typedef va_list kmp_va_list;
211 #define kmp_va_deref(ap) (ap)
212 #define kmp_va_addr_of(ap) (ap)
216 // macros to cast out qualifiers and to re-interpret types
217 #define CCAST(type, var) const_cast<type>(var)
218 #define RCAST(type, var) reinterpret_cast<type>(var)
219 //-------------------------------------------------------------------------
220 // template for debug prints specification ( d, u, lld, llu ), and to obtain
221 // signed/unsigned flavors of a type
222 template <typename T> struct traits_t {};
224 template <> struct traits_t<signed int> {
225 typedef signed int signed_t;
226 typedef unsigned int unsigned_t;
227 typedef double floating_t;
228 static char const *spec;
229 static const signed_t max_value = 0x7fffffff;
230 static const signed_t min_value = 0x80000000;
231 static const int type_size = sizeof(signed_t);
234 template <> struct traits_t<unsigned int> {
235 typedef signed int signed_t;
236 typedef unsigned int unsigned_t;
237 typedef double floating_t;
238 static char const *spec;
239 static const unsigned_t max_value = 0xffffffff;
240 static const unsigned_t min_value = 0x00000000;
241 static const int type_size = sizeof(unsigned_t);
244 template <> struct traits_t<signed long> {
245 typedef signed long signed_t;
246 typedef unsigned long unsigned_t;
247 typedef long double floating_t;
248 static char const *spec;
249 static const int type_size = sizeof(signed_t);
252 template <> struct traits_t<signed long long> {
253 typedef signed long long signed_t;
254 typedef unsigned long long unsigned_t;
255 typedef long double floating_t;
256 static char const *spec;
257 static const signed_t max_value = 0x7fffffffffffffffLL;
258 static const signed_t min_value = 0x8000000000000000LL;
259 static const int type_size = sizeof(signed_t);
261 // unsigned long long
262 template <> struct traits_t<unsigned long long> {
263 typedef signed long long signed_t;
264 typedef unsigned long long unsigned_t;
265 typedef long double floating_t;
266 static char const *spec;
267 static const unsigned_t max_value = 0xffffffffffffffffLL;
268 static const unsigned_t min_value = 0x0000000000000000LL;
269 static const int type_size = sizeof(unsigned_t);
271 //-------------------------------------------------------------------------
273 #define CCAST(type, var) (type)(var)
274 #define RCAST(type, var) (type)(var)
275 #endif // __cplusplus
277 #define KMP_EXPORT extern /* export declaration in guide libraries */
279 #if __GNUC__ >= 4 && !defined(__MINGW32__)
280 #define __forceinline __inline
286 static inline int KMP_GET_PAGE_SIZE(void) {
289 return si.dwPageSize;
292 #define KMP_GET_PAGE_SIZE() getpagesize()
295 #define PAGE_ALIGNED(_addr) \
296 (!((size_t)_addr & (size_t)(KMP_GET_PAGE_SIZE() - 1)))
297 #define ALIGN_TO_PAGE(x) \
298 (void *)(((size_t)(x)) & ~((size_t)(KMP_GET_PAGE_SIZE() - 1)))
300 /* ---------- Support for cache alignment, padding, etc. ----------------*/
304 #endif // __cplusplus
306 #define INTERNODE_CACHE_LINE 4096 /* for multi-node systems */
308 /* Define the default size of the cache line */
310 #define CACHE_LINE 128 /* cache line size in bytes */
312 #if (CACHE_LINE < 64) && !defined(KMP_OS_DARWIN)
313 // 2006-02-13: This produces too many warnings on OS X*. Disable for now
314 #warning CACHE_LINE is too small.
316 #endif /* CACHE_LINE */
318 #define KMP_CACHE_PREFETCH(ADDR) /* nothing */
320 // Define attribute that indicates that the fall through from the previous
321 // case label is intentional and should not be diagnosed by a compiler
322 // Code from libcxx/include/__config
323 // Use a function like macro to imply that it must be followed by a semicolon
324 #if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
325 # define KMP_FALLTHROUGH() [[fallthrough]]
326 #elif __has_cpp_attribute(clang::fallthrough)
327 # define KMP_FALLTHROUGH() [[clang::fallthrough]]
328 #elif __has_attribute(fallthrough) || __GNUC__ >= 7
329 # define KMP_FALLTHROUGH() __attribute__((__fallthrough__))
331 # define KMP_FALLTHROUGH() ((void)0)
334 // Define attribute that indicates a function does not return
335 #if __cplusplus >= 201103L
336 #define KMP_NORETURN [[noreturn]]
338 #define KMP_NORETURN __declspec(noreturn)
340 #define KMP_NORETURN __attribute__((noreturn))
343 #if KMP_OS_WINDOWS && KMP_MSVC_COMPAT
344 #define KMP_ALIGN(bytes) __declspec(align(bytes))
345 #define KMP_THREAD_LOCAL __declspec(thread)
346 #define KMP_ALIAS /* Nothing */
348 #define KMP_ALIGN(bytes) __attribute__((aligned(bytes)))
349 #define KMP_THREAD_LOCAL __thread
350 #define KMP_ALIAS(alias_of) __attribute__((alias(alias_of)))
353 #if KMP_HAVE_WEAK_ATTRIBUTE && !KMP_DYNAMIC_LIB
354 #define KMP_WEAK_ATTRIBUTE_EXTERNAL __attribute__((weak))
356 #define KMP_WEAK_ATTRIBUTE_EXTERNAL /* Nothing */
359 #if KMP_HAVE_WEAK_ATTRIBUTE
360 #define KMP_WEAK_ATTRIBUTE_INTERNAL __attribute__((weak))
362 #define KMP_WEAK_ATTRIBUTE_INTERNAL /* Nothing */
365 // Define KMP_VERSION_SYMBOL and KMP_EXPAND_NAME
367 #define KMP_STR(x) _KMP_STR(x)
368 #define _KMP_STR(x) #x
371 #ifdef KMP_USE_VERSION_SYMBOLS
372 // If using versioned symbols, KMP_EXPAND_NAME prepends
373 // __kmp_api_ to the real API name
374 #define KMP_EXPAND_NAME(api_name) _KMP_EXPAND_NAME(api_name)
375 #define _KMP_EXPAND_NAME(api_name) __kmp_api_##api_name
376 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) \
377 _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, "VERSION")
378 #define _KMP_VERSION_SYMBOL(api_name, ver_num, ver_str, default_ver) \
379 __typeof__(__kmp_api_##api_name) __kmp_api_##api_name##_##ver_num##_alias \
380 __attribute__((alias(KMP_STR(__kmp_api_##api_name)))); \
382 ".symver " KMP_STR(__kmp_api_##api_name##_##ver_num##_alias) "," KMP_STR( \
383 api_name) "@" ver_str "\n\t"); \
384 __asm__(".symver " KMP_STR(__kmp_api_##api_name) "," KMP_STR( \
385 api_name) "@@" default_ver "\n\t")
386 #else // KMP_USE_VERSION_SYMBOLS
387 #define KMP_EXPAND_NAME(api_name) api_name
388 #define KMP_VERSION_SYMBOL(api_name, ver_num, ver_str) /* Nothing */
389 #endif // KMP_USE_VERSION_SYMBOLS
391 /* Temporary note: if performance testing of this passes, we can remove
392 all references to KMP_DO_ALIGN and replace with KMP_ALIGN. */
393 #define KMP_DO_ALIGN(bytes) KMP_ALIGN(bytes)
394 #define KMP_ALIGN_CACHE KMP_ALIGN(CACHE_LINE)
395 #define KMP_ALIGN_CACHE_INTERNODE KMP_ALIGN(INTERNODE_CACHE_LINE)
397 /* General purpose fence types for memory operations */
398 enum kmp_mem_fence_type {
399 kmp_no_fence, /* No memory fence */
400 kmp_acquire_fence, /* Acquire (read) memory fence */
401 kmp_release_fence, /* Release (write) memory fence */
402 kmp_full_fence /* Full (read+write) memory fence */
405 // Synchronization primitives
407 #if KMP_ASM_INTRINS && KMP_OS_WINDOWS
409 #if KMP_MSVC_COMPAT && !KMP_COMPILER_CLANG
410 #pragma intrinsic(InterlockedExchangeAdd)
411 #pragma intrinsic(InterlockedCompareExchange)
412 #pragma intrinsic(InterlockedExchange)
413 #pragma intrinsic(InterlockedExchange64)
416 // Using InterlockedIncrement / InterlockedDecrement causes a library loading
417 // ordering problem, so we use InterlockedExchangeAdd instead.
418 #define KMP_TEST_THEN_INC32(p) InterlockedExchangeAdd((volatile long *)(p), 1)
419 #define KMP_TEST_THEN_INC_ACQ32(p) \
420 InterlockedExchangeAdd((volatile long *)(p), 1)
421 #define KMP_TEST_THEN_ADD4_32(p) InterlockedExchangeAdd((volatile long *)(p), 4)
422 #define KMP_TEST_THEN_ADD4_ACQ32(p) \
423 InterlockedExchangeAdd((volatile long *)(p), 4)
424 #define KMP_TEST_THEN_DEC32(p) InterlockedExchangeAdd((volatile long *)(p), -1)
425 #define KMP_TEST_THEN_DEC_ACQ32(p) \
426 InterlockedExchangeAdd((volatile long *)(p), -1)
427 #define KMP_TEST_THEN_ADD32(p, v) \
428 InterlockedExchangeAdd((volatile long *)(p), (v))
430 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \
431 InterlockedCompareExchange((volatile long *)(p), (long)(sv), (long)(cv))
433 #define KMP_XCHG_FIXED32(p, v) \
434 InterlockedExchange((volatile long *)(p), (long)(v))
435 #define KMP_XCHG_FIXED64(p, v) \
436 InterlockedExchange64((volatile kmp_int64 *)(p), (kmp_int64)(v))
438 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) {
439 kmp_int32 tmp = InterlockedExchange((volatile long *)p, *(long *)&v);
440 return *(kmp_real32 *)&tmp;
443 // Routines that we still need to implement in assembly.
444 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v);
445 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v);
446 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v);
447 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v);
448 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v);
449 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v);
450 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v);
451 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v);
452 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v);
454 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv,
456 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv,
458 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv,
460 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv,
462 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv,
464 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p,
465 kmp_int16 cv, kmp_int16 sv);
466 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p,
467 kmp_int32 cv, kmp_int32 sv);
468 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p,
469 kmp_int64 cv, kmp_int64 sv);
471 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v);
472 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v);
473 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v);
474 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v);
475 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v);
476 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v);
478 //#define KMP_TEST_THEN_INC32(p) __kmp_test_then_add32((p), 1)
479 //#define KMP_TEST_THEN_INC_ACQ32(p) __kmp_test_then_add32((p), 1)
480 #define KMP_TEST_THEN_INC64(p) __kmp_test_then_add64((p), 1LL)
481 #define KMP_TEST_THEN_INC_ACQ64(p) __kmp_test_then_add64((p), 1LL)
482 //#define KMP_TEST_THEN_ADD4_32(p) __kmp_test_then_add32((p), 4)
483 //#define KMP_TEST_THEN_ADD4_ACQ32(p) __kmp_test_then_add32((p), 4)
484 #define KMP_TEST_THEN_ADD4_64(p) __kmp_test_then_add64((p), 4LL)
485 #define KMP_TEST_THEN_ADD4_ACQ64(p) __kmp_test_then_add64((p), 4LL)
486 //#define KMP_TEST_THEN_DEC32(p) __kmp_test_then_add32((p), -1)
487 //#define KMP_TEST_THEN_DEC_ACQ32(p) __kmp_test_then_add32((p), -1)
488 #define KMP_TEST_THEN_DEC64(p) __kmp_test_then_add64((p), -1LL)
489 #define KMP_TEST_THEN_DEC_ACQ64(p) __kmp_test_then_add64((p), -1LL)
490 //#define KMP_TEST_THEN_ADD32(p, v) __kmp_test_then_add32((p), (v))
491 #define KMP_TEST_THEN_ADD8(p, v) __kmp_test_then_add8((p), (v))
492 #define KMP_TEST_THEN_ADD64(p, v) __kmp_test_then_add64((p), (v))
494 #define KMP_TEST_THEN_OR8(p, v) __kmp_test_then_or8((p), (v))
495 #define KMP_TEST_THEN_AND8(p, v) __kmp_test_then_and8((p), (v))
496 #define KMP_TEST_THEN_OR32(p, v) __kmp_test_then_or32((p), (v))
497 #define KMP_TEST_THEN_AND32(p, v) __kmp_test_then_and32((p), (v))
498 #define KMP_TEST_THEN_OR64(p, v) __kmp_test_then_or64((p), (v))
499 #define KMP_TEST_THEN_AND64(p, v) __kmp_test_then_and64((p), (v))
501 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
502 __kmp_compare_and_store8((p), (cv), (sv))
503 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
504 __kmp_compare_and_store8((p), (cv), (sv))
505 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
506 __kmp_compare_and_store16((p), (cv), (sv))
507 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
508 __kmp_compare_and_store16((p), (cv), (sv))
509 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
510 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
512 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
513 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
515 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
516 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
518 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
519 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
523 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
524 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
526 #else /* 64 bit pointers */
527 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
528 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
530 #endif /* KMP_ARCH_X86 */
532 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
533 __kmp_compare_and_store_ret8((p), (cv), (sv))
534 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
535 __kmp_compare_and_store_ret16((p), (cv), (sv))
536 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
537 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
540 #define KMP_XCHG_FIXED8(p, v) \
541 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v));
542 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v));
543 //#define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v));
544 //#define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v));
545 //#define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v));
546 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v));
548 #elif (KMP_ASM_INTRINS && KMP_OS_UNIX) || !(KMP_ARCH_X86 || KMP_ARCH_X86_64)
550 /* cast p to correct type so that proper intrinsic will be used */
551 #define KMP_TEST_THEN_INC32(p) \
552 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1)
553 #define KMP_TEST_THEN_INC_ACQ32(p) \
554 __sync_fetch_and_add((volatile kmp_int32 *)(p), 1)
556 #define KMP_TEST_THEN_INC64(p) \
557 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
558 #define KMP_TEST_THEN_INC_ACQ64(p) \
559 __atomic_fetch_add((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
561 #define KMP_TEST_THEN_INC64(p) \
562 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL)
563 #define KMP_TEST_THEN_INC_ACQ64(p) \
564 __sync_fetch_and_add((volatile kmp_int64 *)(p), 1LL)
566 #define KMP_TEST_THEN_ADD4_32(p) \
567 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4)
568 #define KMP_TEST_THEN_ADD4_ACQ32(p) \
569 __sync_fetch_and_add((volatile kmp_int32 *)(p), 4)
571 #define KMP_TEST_THEN_ADD4_64(p) \
572 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST)
573 #define KMP_TEST_THEN_ADD4_ACQ64(p) \
574 __atomic_fetch_add((volatile kmp_int64 *)(p), 4LL, __ATOMIC_SEQ_CST)
575 #define KMP_TEST_THEN_DEC64(p) \
576 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
577 #define KMP_TEST_THEN_DEC_ACQ64(p) \
578 __atomic_fetch_sub((volatile kmp_int64 *)(p), 1LL, __ATOMIC_SEQ_CST)
580 #define KMP_TEST_THEN_ADD4_64(p) \
581 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL)
582 #define KMP_TEST_THEN_ADD4_ACQ64(p) \
583 __sync_fetch_and_add((volatile kmp_int64 *)(p), 4LL)
584 #define KMP_TEST_THEN_DEC64(p) \
585 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL)
586 #define KMP_TEST_THEN_DEC_ACQ64(p) \
587 __sync_fetch_and_sub((volatile kmp_int64 *)(p), 1LL)
589 #define KMP_TEST_THEN_DEC32(p) \
590 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1)
591 #define KMP_TEST_THEN_DEC_ACQ32(p) \
592 __sync_fetch_and_sub((volatile kmp_int32 *)(p), 1)
593 #define KMP_TEST_THEN_ADD8(p, v) \
594 __sync_fetch_and_add((volatile kmp_int8 *)(p), (kmp_int8)(v))
595 #define KMP_TEST_THEN_ADD32(p, v) \
596 __sync_fetch_and_add((volatile kmp_int32 *)(p), (kmp_int32)(v))
598 #define KMP_TEST_THEN_ADD64(p, v) \
599 __atomic_fetch_add((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \
602 #define KMP_TEST_THEN_ADD64(p, v) \
603 __sync_fetch_and_add((volatile kmp_int64 *)(p), (kmp_int64)(v))
606 #define KMP_TEST_THEN_OR8(p, v) \
607 __sync_fetch_and_or((volatile kmp_int8 *)(p), (kmp_int8)(v))
608 #define KMP_TEST_THEN_AND8(p, v) \
609 __sync_fetch_and_and((volatile kmp_int8 *)(p), (kmp_int8)(v))
610 #define KMP_TEST_THEN_OR32(p, v) \
611 __sync_fetch_and_or((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
612 #define KMP_TEST_THEN_AND32(p, v) \
613 __sync_fetch_and_and((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
615 #define KMP_TEST_THEN_OR64(p, v) \
616 __atomic_fetch_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \
618 #define KMP_TEST_THEN_AND64(p, v) \
619 __atomic_fetch_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v), \
622 #define KMP_TEST_THEN_OR64(p, v) \
623 __sync_fetch_and_or((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
624 #define KMP_TEST_THEN_AND64(p, v) \
625 __sync_fetch_and_and((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
628 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
629 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \
631 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
632 __sync_bool_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \
634 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
635 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \
637 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
638 __sync_bool_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \
640 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
641 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \
643 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
644 __sync_bool_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \
646 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
647 __sync_bool_compare_and_swap((void *volatile *)(p), (void *)(cv), \
650 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
651 __sync_val_compare_and_swap((volatile kmp_uint8 *)(p), (kmp_uint8)(cv), \
653 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
654 __sync_val_compare_and_swap((volatile kmp_uint16 *)(p), (kmp_uint16)(cv), \
656 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \
657 __sync_val_compare_and_swap((volatile kmp_uint32 *)(p), (kmp_uint32)(cv), \
660 static inline bool mips_sync_bool_compare_and_swap(
661 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) {
662 return __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST,
665 static inline bool mips_sync_val_compare_and_swap(
666 volatile kmp_uint64 *p, kmp_uint64 cv, kmp_uint64 sv) {
667 __atomic_compare_exchange(p, &cv, &sv, false, __ATOMIC_SEQ_CST,
671 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
672 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\
674 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
675 mips_sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv),\
677 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
678 mips_sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
681 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
682 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
684 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
685 __sync_bool_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
687 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
688 __sync_val_compare_and_swap((volatile kmp_uint64 *)(p), (kmp_uint64)(cv), \
692 #define KMP_XCHG_FIXED8(p, v) \
693 __sync_lock_test_and_set((volatile kmp_uint8 *)(p), (kmp_uint8)(v))
694 #define KMP_XCHG_FIXED16(p, v) \
695 __sync_lock_test_and_set((volatile kmp_uint16 *)(p), (kmp_uint16)(v))
696 #define KMP_XCHG_FIXED32(p, v) \
697 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
698 #define KMP_XCHG_FIXED64(p, v) \
699 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
701 inline kmp_real32 KMP_XCHG_REAL32(volatile kmp_real32 *p, kmp_real32 v) {
703 __sync_lock_test_and_set((volatile kmp_uint32 *)(p), *(kmp_uint32 *)&v);
704 return *(kmp_real32 *)&tmp;
707 inline kmp_real64 KMP_XCHG_REAL64(volatile kmp_real64 *p, kmp_real64 v) {
709 __sync_lock_test_and_set((volatile kmp_uint64 *)(p), *(kmp_uint64 *)&v);
710 return *(kmp_real64 *)&tmp;
715 extern kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 v);
716 extern kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 v);
717 extern kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 v);
718 extern kmp_int32 __kmp_test_then_add32(volatile kmp_int32 *p, kmp_int32 v);
719 extern kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 v);
720 extern kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 v);
721 extern kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 v);
722 extern kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 v);
723 extern kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 v);
725 extern kmp_int8 __kmp_compare_and_store8(volatile kmp_int8 *p, kmp_int8 cv,
727 extern kmp_int16 __kmp_compare_and_store16(volatile kmp_int16 *p, kmp_int16 cv,
729 extern kmp_int32 __kmp_compare_and_store32(volatile kmp_int32 *p, kmp_int32 cv,
731 extern kmp_int32 __kmp_compare_and_store64(volatile kmp_int64 *p, kmp_int64 cv,
733 extern kmp_int8 __kmp_compare_and_store_ret8(volatile kmp_int8 *p, kmp_int8 cv,
735 extern kmp_int16 __kmp_compare_and_store_ret16(volatile kmp_int16 *p,
736 kmp_int16 cv, kmp_int16 sv);
737 extern kmp_int32 __kmp_compare_and_store_ret32(volatile kmp_int32 *p,
738 kmp_int32 cv, kmp_int32 sv);
739 extern kmp_int64 __kmp_compare_and_store_ret64(volatile kmp_int64 *p,
740 kmp_int64 cv, kmp_int64 sv);
742 extern kmp_int8 __kmp_xchg_fixed8(volatile kmp_int8 *p, kmp_int8 v);
743 extern kmp_int16 __kmp_xchg_fixed16(volatile kmp_int16 *p, kmp_int16 v);
744 extern kmp_int32 __kmp_xchg_fixed32(volatile kmp_int32 *p, kmp_int32 v);
745 extern kmp_int64 __kmp_xchg_fixed64(volatile kmp_int64 *p, kmp_int64 v);
746 extern kmp_real32 __kmp_xchg_real32(volatile kmp_real32 *p, kmp_real32 v);
747 extern kmp_real64 __kmp_xchg_real64(volatile kmp_real64 *p, kmp_real64 v);
749 #define KMP_TEST_THEN_INC32(p) \
750 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1)
751 #define KMP_TEST_THEN_INC_ACQ32(p) \
752 __kmp_test_then_add32((volatile kmp_int32 *)(p), 1)
753 #define KMP_TEST_THEN_INC64(p) \
754 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL)
755 #define KMP_TEST_THEN_INC_ACQ64(p) \
756 __kmp_test_then_add64((volatile kmp_int64 *)(p), 1LL)
757 #define KMP_TEST_THEN_ADD4_32(p) \
758 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4)
759 #define KMP_TEST_THEN_ADD4_ACQ32(p) \
760 __kmp_test_then_add32((volatile kmp_int32 *)(p), 4)
761 #define KMP_TEST_THEN_ADD4_64(p) \
762 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL)
763 #define KMP_TEST_THEN_ADD4_ACQ64(p) \
764 __kmp_test_then_add64((volatile kmp_int64 *)(p), 4LL)
765 #define KMP_TEST_THEN_DEC32(p) \
766 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1)
767 #define KMP_TEST_THEN_DEC_ACQ32(p) \
768 __kmp_test_then_add32((volatile kmp_int32 *)(p), -1)
769 #define KMP_TEST_THEN_DEC64(p) \
770 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL)
771 #define KMP_TEST_THEN_DEC_ACQ64(p) \
772 __kmp_test_then_add64((volatile kmp_int64 *)(p), -1LL)
773 #define KMP_TEST_THEN_ADD8(p, v) \
774 __kmp_test_then_add8((volatile kmp_int8 *)(p), (kmp_int8)(v))
775 #define KMP_TEST_THEN_ADD32(p, v) \
776 __kmp_test_then_add32((volatile kmp_int32 *)(p), (kmp_int32)(v))
777 #define KMP_TEST_THEN_ADD64(p, v) \
778 __kmp_test_then_add64((volatile kmp_int64 *)(p), (kmp_int64)(v))
780 #define KMP_TEST_THEN_OR8(p, v) \
781 __kmp_test_then_or8((volatile kmp_int8 *)(p), (kmp_int8)(v))
782 #define KMP_TEST_THEN_AND8(p, v) \
783 __kmp_test_then_and8((volatile kmp_int8 *)(p), (kmp_int8)(v))
784 #define KMP_TEST_THEN_OR32(p, v) \
785 __kmp_test_then_or32((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
786 #define KMP_TEST_THEN_AND32(p, v) \
787 __kmp_test_then_and32((volatile kmp_uint32 *)(p), (kmp_uint32)(v))
788 #define KMP_TEST_THEN_OR64(p, v) \
789 __kmp_test_then_or64((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
790 #define KMP_TEST_THEN_AND64(p, v) \
791 __kmp_test_then_and64((volatile kmp_uint64 *)(p), (kmp_uint64)(v))
793 #define KMP_COMPARE_AND_STORE_ACQ8(p, cv, sv) \
794 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \
796 #define KMP_COMPARE_AND_STORE_REL8(p, cv, sv) \
797 __kmp_compare_and_store8((volatile kmp_int8 *)(p), (kmp_int8)(cv), \
799 #define KMP_COMPARE_AND_STORE_ACQ16(p, cv, sv) \
800 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \
802 #define KMP_COMPARE_AND_STORE_REL16(p, cv, sv) \
803 __kmp_compare_and_store16((volatile kmp_int16 *)(p), (kmp_int16)(cv), \
805 #define KMP_COMPARE_AND_STORE_ACQ32(p, cv, sv) \
806 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
808 #define KMP_COMPARE_AND_STORE_REL32(p, cv, sv) \
809 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
811 #define KMP_COMPARE_AND_STORE_ACQ64(p, cv, sv) \
812 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
814 #define KMP_COMPARE_AND_STORE_REL64(p, cv, sv) \
815 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
819 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
820 __kmp_compare_and_store32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
822 #else /* 64 bit pointers */
823 #define KMP_COMPARE_AND_STORE_PTR(p, cv, sv) \
824 __kmp_compare_and_store64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
826 #endif /* KMP_ARCH_X86 */
828 #define KMP_COMPARE_AND_STORE_RET8(p, cv, sv) \
829 __kmp_compare_and_store_ret8((p), (cv), (sv))
830 #define KMP_COMPARE_AND_STORE_RET16(p, cv, sv) \
831 __kmp_compare_and_store_ret16((p), (cv), (sv))
832 #define KMP_COMPARE_AND_STORE_RET32(p, cv, sv) \
833 __kmp_compare_and_store_ret32((volatile kmp_int32 *)(p), (kmp_int32)(cv), \
835 #define KMP_COMPARE_AND_STORE_RET64(p, cv, sv) \
836 __kmp_compare_and_store_ret64((volatile kmp_int64 *)(p), (kmp_int64)(cv), \
839 #define KMP_XCHG_FIXED8(p, v) \
840 __kmp_xchg_fixed8((volatile kmp_int8 *)(p), (kmp_int8)(v));
841 #define KMP_XCHG_FIXED16(p, v) __kmp_xchg_fixed16((p), (v));
842 #define KMP_XCHG_FIXED32(p, v) __kmp_xchg_fixed32((p), (v));
843 #define KMP_XCHG_FIXED64(p, v) __kmp_xchg_fixed64((p), (v));
844 #define KMP_XCHG_REAL32(p, v) __kmp_xchg_real32((p), (v));
845 #define KMP_XCHG_REAL64(p, v) __kmp_xchg_real64((p), (v));
847 #endif /* KMP_ASM_INTRINS */
849 /* ------------- relaxed consistency memory model stuff ------------------ */
853 #define KMP_MB() asm("nop")
854 #define KMP_IMB() asm("nop")
856 #define KMP_MB() /* _asm{ nop } */
857 #define KMP_IMB() /* _asm{ nop } */
859 #endif /* KMP_OS_WINDOWS */
861 #if KMP_ARCH_PPC64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS || \
862 KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64
863 #define KMP_MB() __sync_synchronize()
867 #define KMP_MB() /* nothing to do */
871 #define KMP_IMB() /* nothing to do */
875 #define KMP_ST_REL32(A, D) (*(A) = (D))
879 #define KMP_ST_REL64(A, D) (*(A) = (D))
883 #define KMP_LD_ACQ32(A) (*(A))
887 #define KMP_LD_ACQ64(A) (*(A))
890 /* ------------------------------------------------------------------------ */
891 // FIXME - maybe this should this be
893 // #define TCR_4(a) (*(volatile kmp_int32 *)(&a))
894 // #define TCW_4(a,b) (a) = (*(volatile kmp_int32 *)&(b))
896 // #define TCR_8(a) (*(volatile kmp_int64 *)(a))
897 // #define TCW_8(a,b) (a) = (*(volatile kmp_int64 *)(&b))
899 // I'm fairly certain this is the correct thing to do, but I'm afraid
900 // of performance regressions.
903 #define TCW_1(a, b) (a) = (b)
905 #define TCW_4(a, b) (a) = (b)
906 #define TCI_4(a) (++(a))
907 #define TCD_4(a) (--(a))
909 #define TCW_8(a, b) (a) = (b)
910 #define TCI_8(a) (++(a))
911 #define TCD_8(a) (--(a))
912 #define TCR_SYNC_4(a) (a)
913 #define TCW_SYNC_4(a, b) (a) = (b)
914 #define TCX_SYNC_4(a, b, c) \
915 KMP_COMPARE_AND_STORE_REL32((volatile kmp_int32 *)(volatile void *)&(a), \
916 (kmp_int32)(b), (kmp_int32)(c))
917 #define TCR_SYNC_8(a) (a)
918 #define TCW_SYNC_8(a, b) (a) = (b)
919 #define TCX_SYNC_8(a, b, c) \
920 KMP_COMPARE_AND_STORE_REL64((volatile kmp_int64 *)(volatile void *)&(a), \
921 (kmp_int64)(b), (kmp_int64)(c))
923 #if KMP_ARCH_X86 || KMP_ARCH_MIPS
925 #define TCR_PTR(a) ((void *)TCR_4(a))
926 #define TCW_PTR(a, b) TCW_4((a), (b))
927 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_4(a))
928 #define TCW_SYNC_PTR(a, b) TCW_SYNC_4((a), (b))
929 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_4((a), (b), (c)))
931 #else /* 64 bit pointers */
933 #define TCR_PTR(a) ((void *)TCR_8(a))
934 #define TCW_PTR(a, b) TCW_8((a), (b))
935 #define TCR_SYNC_PTR(a) ((void *)TCR_SYNC_8(a))
936 #define TCW_SYNC_PTR(a, b) TCW_SYNC_8((a), (b))
937 #define TCX_SYNC_PTR(a, b, c) ((void *)TCX_SYNC_8((a), (b), (c)))
939 #endif /* KMP_ARCH_X86 */
941 /* If these FTN_{TRUE,FALSE} values change, may need to change several places
942 where they are used to check that language is Fortran, not C. */
945 #define FTN_TRUE TRUE
949 #define FTN_FALSE FALSE
952 typedef void (*microtask_t)(int *gtid, int *npr, ...);
954 #ifdef USE_VOLATILE_CAST
955 #define VOLATILE_CAST(x) (volatile x)
957 #define VOLATILE_CAST(x) (x)
960 #define KMP_WAIT __kmp_wait_4
961 #define KMP_WAIT_PTR __kmp_wait_4_ptr
962 #define KMP_EQ __kmp_eq_4
963 #define KMP_NEQ __kmp_neq_4
964 #define KMP_LT __kmp_lt_4
965 #define KMP_GE __kmp_ge_4
966 #define KMP_LE __kmp_le_4
968 /* Workaround for Intel(R) 64 code gen bug when taking address of static array
969 * (Intel(R) 64 Tracker #138) */
970 #if (KMP_ARCH_X86_64 || KMP_ARCH_PPC64) && KMP_OS_LINUX
971 #define STATIC_EFI2_WORKAROUND
973 #define STATIC_EFI2_WORKAROUND static
976 // Support of BGET usage
978 #define KMP_USE_BGET 1
981 // Switches for OSS builds
982 #ifndef USE_CMPXCHG_FIX
983 #define USE_CMPXCHG_FIX 1
986 // Enable dynamic user lock
987 #define KMP_USE_DYNAMIC_LOCK 1
989 // Enable Intel(R) Transactional Synchronization Extensions (Intel(R) TSX) if
990 // dynamic user lock is turned on
991 #if KMP_USE_DYNAMIC_LOCK
992 // Visual studio can't handle the asm sections in this code
993 #define KMP_USE_TSX (KMP_ARCH_X86 || KMP_ARCH_X86_64) && !KMP_COMPILER_MSVC
994 #ifdef KMP_USE_ADAPTIVE_LOCKS
995 #undef KMP_USE_ADAPTIVE_LOCKS
997 #define KMP_USE_ADAPTIVE_LOCKS KMP_USE_TSX
1000 // Enable tick time conversion of ticks to seconds
1001 #if KMP_STATS_ENABLED
1002 #define KMP_HAVE_TICK_TIME \
1003 (KMP_OS_LINUX && (KMP_MIC || KMP_ARCH_X86 || KMP_ARCH_X86_64))
1007 enum kmp_warnings_level {
1008 kmp_warnings_off = 0, /* No warnings */
1009 kmp_warnings_low, /* Minimal warnings (default) */
1010 kmp_warnings_explicit = 6, /* Explicitly set to ON - more warnings */
1011 kmp_warnings_verbose /* reserved */
1016 #endif // __cplusplus
1018 // Macros for C++11 atomic functions
1019 #define KMP_ATOMIC_LD(p, order) (p)->load(std::memory_order_##order)
1020 #define KMP_ATOMIC_OP(op, p, v, order) (p)->op(v, std::memory_order_##order)
1022 // For non-default load/store
1023 #define KMP_ATOMIC_LD_ACQ(p) KMP_ATOMIC_LD(p, acquire)
1024 #define KMP_ATOMIC_LD_RLX(p) KMP_ATOMIC_LD(p, relaxed)
1025 #define KMP_ATOMIC_ST_REL(p, v) KMP_ATOMIC_OP(store, p, v, release)
1026 #define KMP_ATOMIC_ST_RLX(p, v) KMP_ATOMIC_OP(store, p, v, relaxed)
1028 // For non-default fetch_<op>
1029 #define KMP_ATOMIC_ADD(p, v) KMP_ATOMIC_OP(fetch_add, p, v, acq_rel)
1030 #define KMP_ATOMIC_SUB(p, v) KMP_ATOMIC_OP(fetch_sub, p, v, acq_rel)
1031 #define KMP_ATOMIC_AND(p, v) KMP_ATOMIC_OP(fetch_and, p, v, acq_rel)
1032 #define KMP_ATOMIC_OR(p, v) KMP_ATOMIC_OP(fetch_or, p, v, acq_rel)
1033 #define KMP_ATOMIC_INC(p) KMP_ATOMIC_OP(fetch_add, p, 1, acq_rel)
1034 #define KMP_ATOMIC_DEC(p) KMP_ATOMIC_OP(fetch_sub, p, 1, acq_rel)
1035 #define KMP_ATOMIC_ADD_RLX(p, v) KMP_ATOMIC_OP(fetch_add, p, v, relaxed)
1036 #define KMP_ATOMIC_INC_RLX(p) KMP_ATOMIC_OP(fetch_add, p, 1, relaxed)
1038 // Callers of the following functions cannot see the side effect on "expected".
1039 template <typename T>
1040 bool __kmp_atomic_compare_store(std::atomic<T> *p, T expected, T desired) {
1041 return p->compare_exchange_strong(
1042 expected, desired, std::memory_order_acq_rel, std::memory_order_relaxed);
1045 template <typename T>
1046 bool __kmp_atomic_compare_store_acq(std::atomic<T> *p, T expected, T desired) {
1047 return p->compare_exchange_strong(
1048 expected, desired, std::memory_order_acquire, std::memory_order_relaxed);
1051 template <typename T>
1052 bool __kmp_atomic_compare_store_rel(std::atomic<T> *p, T expected, T desired) {
1053 return p->compare_exchange_strong(
1054 expected, desired, std::memory_order_release, std::memory_order_relaxed);
1057 #endif /* KMP_OS_H */
1059 #include "kmp_safe_c_api.h"