Intel(R) Threading Building Blocks Doxygen Documentation  version 4.2.3
linux_ia32.h File Reference
#include <stdint.h>
#include "gcc_ia32_common.h"
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Macros

#define __TBB_WORDSIZE   4
 
#define __TBB_ENDIANNESS   __TBB_ENDIAN_LITTLE
 
#define __TBB_compiler_fence()   __asm__ __volatile__("": : :"memory")
 
#define __TBB_control_consistency_helper()   __TBB_compiler_fence()
 
#define __TBB_acquire_consistency_helper()   __TBB_compiler_fence()
 
#define __TBB_release_consistency_helper()   __TBB_compiler_fence()
 
#define __TBB_full_memory_fence()   __asm__ __volatile__("mfence": : :"memory")
 
#define __TBB_VOLATILE   volatile
 
#define __TBB_MACHINE_DEFINE_ATOMICS(S, T, X, R)
 
#define __TBB_IA32_CAS8_NOINLINE
 
#define __TBB_fildq   "fildq"
 
#define __TBB_fistpq   "fistpq"
 
#define __TBB_AtomicOR(P, V)   __TBB_machine_or(P,V)
 
#define __TBB_AtomicAND(P, V)   __TBB_machine_and(P,V)
 
#define __TBB_USE_GENERIC_DWORD_FETCH_ADD   1
 
#define __TBB_USE_GENERIC_DWORD_FETCH_STORE   1
 
#define __TBB_USE_FETCHSTORE_AS_FULL_FENCED_STORE   1
 
#define __TBB_USE_GENERIC_HALF_FENCED_LOAD_STORE   1
 
#define __TBB_USE_GENERIC_RELAXED_LOAD_STORE   1
 
#define __TBB_USE_GENERIC_SEQUENTIAL_CONSISTENCY_LOAD_STORE   1
 

Functions

static __TBB_IA32_CAS8_NOINLINE int64_t __TBB_machine_cmpswp8 (volatile void *ptr, int64_t value, int64_t comparand)
 
static void __TBB_machine_or (volatile void *ptr, uint32_t addend)
 
static void __TBB_machine_and (volatile void *ptr, uint32_t addend)
 
static int64_t __TBB_machine_aligned_load8 (const volatile void *ptr)
 
static void __TBB_machine_aligned_store8 (volatile void *ptr, int64_t value)
 
static int64_t __TBB_machine_load8 (const volatile void *ptr)
 
void __TBB_machine_store8_slow (volatile void *ptr, int64_t value)
 Handles misaligned 8-byte store. More...
 
void __TBB_machine_store8_slow_perf_warning (volatile void *ptr)
 
static void __TBB_machine_store8 (volatile void *ptr, int64_t value)
 

Macro Definition Documentation

◆ __TBB_acquire_consistency_helper

#define __TBB_acquire_consistency_helper ( )    __TBB_compiler_fence()

Definition at line 35 of file linux_ia32.h.

◆ __TBB_AtomicAND

#define __TBB_AtomicAND (   P,
 
)    __TBB_machine_and(P,V)

Definition at line 224 of file linux_ia32.h.

◆ __TBB_AtomicOR

#define __TBB_AtomicOR (   P,
 
)    __TBB_machine_or(P,V)

Definition at line 223 of file linux_ia32.h.

◆ __TBB_compiler_fence

#define __TBB_compiler_fence ( )    __asm__ __volatile__("": : :"memory")

Definition at line 33 of file linux_ia32.h.

◆ __TBB_control_consistency_helper

#define __TBB_control_consistency_helper ( )    __TBB_compiler_fence()

Definition at line 34 of file linux_ia32.h.

◆ __TBB_ENDIANNESS

#define __TBB_ENDIANNESS   __TBB_ENDIAN_LITTLE

Definition at line 31 of file linux_ia32.h.

◆ __TBB_fildq

#define __TBB_fildq   "fildq"

Definition at line 169 of file linux_ia32.h.

◆ __TBB_fistpq

#define __TBB_fistpq   "fistpq"

Definition at line 170 of file linux_ia32.h.

◆ __TBB_full_memory_fence

#define __TBB_full_memory_fence ( )    __asm__ __volatile__("mfence": : :"memory")

Definition at line 37 of file linux_ia32.h.

◆ __TBB_IA32_CAS8_NOINLINE

#define __TBB_IA32_CAS8_NOINLINE

Definition at line 90 of file linux_ia32.h.

◆ __TBB_MACHINE_DEFINE_ATOMICS

#define __TBB_MACHINE_DEFINE_ATOMICS (   S,
  T,
  X,
 
)
Value:
static inline T __TBB_machine_cmpswp##S (volatile void *ptr, T value, T comparand ) \
{ \
T result; \
\
__asm__ __volatile__("lock\ncmpxchg" X " %2,%1" \
: "=a"(result), "=m"(*(__TBB_VOLATILE T*)ptr) \
: "q"(value), "0"(comparand), "m"(*(__TBB_VOLATILE T*)ptr) \
: "memory"); \
return result; \
} \
\
static inline T __TBB_machine_fetchadd##S(volatile void *ptr, T addend) \
{ \
T result; \
__asm__ __volatile__("lock\nxadd" X " %0,%1" \
: R (result), "=m"(*(__TBB_VOLATILE T*)ptr) \
: "0"(addend), "m"(*(__TBB_VOLATILE T*)ptr) \
: "memory"); \
return result; \
} \
\
static inline T __TBB_machine_fetchstore##S(volatile void *ptr, T value) \
{ \
T result; \
__asm__ __volatile__("lock\nxchg" X " %0,%1" \
: R (result), "=m"(*(__TBB_VOLATILE T*)ptr) \
: "0"(value), "m"(*(__TBB_VOLATILE T*)ptr) \
: "memory"); \
return result; \
} \
void const char const char int ITT_FORMAT __itt_group_sync x void const char ITT_FORMAT __itt_group_sync s void ITT_FORMAT __itt_group_sync p void ITT_FORMAT p void ITT_FORMAT p no args __itt_suppress_mode_t unsigned int void size_t ITT_FORMAT d void ITT_FORMAT p void ITT_FORMAT p __itt_model_site __itt_model_site_instance ITT_FORMAT p __itt_model_task __itt_model_task_instance ITT_FORMAT p void ITT_FORMAT p void ITT_FORMAT p void size_t ITT_FORMAT d void ITT_FORMAT p const wchar_t ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s no args void ITT_FORMAT p size_t ITT_FORMAT d no args const wchar_t const wchar_t ITT_FORMAT s __itt_heap_function void size_t int ITT_FORMAT d __itt_heap_function void ITT_FORMAT p __itt_heap_function void void size_t int ITT_FORMAT d no args no args unsigned int ITT_FORMAT u const __itt_domain __itt_id ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain __itt_id ITT_FORMAT p const __itt_domain __itt_id __itt_timestamp __itt_timestamp ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain ITT_FORMAT p const __itt_domain __itt_string_handle unsigned long long ITT_FORMAT lu const __itt_domain __itt_id __itt_string_handle __itt_metadata_type size_t void ITT_FORMAT p const __itt_domain __itt_id __itt_string_handle const wchar_t size_t ITT_FORMAT lu const __itt_domain __itt_id __itt_relation __itt_id ITT_FORMAT p const wchar_t int ITT_FORMAT __itt_group_mark S
void const char const char int ITT_FORMAT __itt_group_sync x void const char ITT_FORMAT __itt_group_sync s void ITT_FORMAT __itt_group_sync p void ITT_FORMAT p void ITT_FORMAT p no args __itt_suppress_mode_t unsigned int void size_t ITT_FORMAT d void ITT_FORMAT p void ITT_FORMAT p __itt_model_site __itt_model_site_instance ITT_FORMAT p __itt_model_task __itt_model_task_instance ITT_FORMAT p void ITT_FORMAT p void ITT_FORMAT p void size_t ITT_FORMAT d void ITT_FORMAT p const wchar_t ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s no args void ITT_FORMAT p size_t ITT_FORMAT d no args const wchar_t const wchar_t ITT_FORMAT s __itt_heap_function void size_t int ITT_FORMAT d __itt_heap_function void ITT_FORMAT p __itt_heap_function void void size_t int ITT_FORMAT d no args no args unsigned int ITT_FORMAT u const __itt_domain __itt_id ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain __itt_id ITT_FORMAT p const __itt_domain __itt_id __itt_timestamp __itt_timestamp ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain ITT_FORMAT p const __itt_domain __itt_string_handle unsigned long long value
#define __TBB_VOLATILE
Definition: linux_ia32.h:42

Definition at line 45 of file linux_ia32.h.

◆ __TBB_release_consistency_helper

#define __TBB_release_consistency_helper ( )    __TBB_compiler_fence()

Definition at line 36 of file linux_ia32.h.

◆ __TBB_USE_FETCHSTORE_AS_FULL_FENCED_STORE

#define __TBB_USE_FETCHSTORE_AS_FULL_FENCED_STORE   1

Definition at line 228 of file linux_ia32.h.

◆ __TBB_USE_GENERIC_DWORD_FETCH_ADD

#define __TBB_USE_GENERIC_DWORD_FETCH_ADD   1

Definition at line 226 of file linux_ia32.h.

◆ __TBB_USE_GENERIC_DWORD_FETCH_STORE

#define __TBB_USE_GENERIC_DWORD_FETCH_STORE   1

Definition at line 227 of file linux_ia32.h.

◆ __TBB_USE_GENERIC_HALF_FENCED_LOAD_STORE

#define __TBB_USE_GENERIC_HALF_FENCED_LOAD_STORE   1

Definition at line 229 of file linux_ia32.h.

◆ __TBB_USE_GENERIC_RELAXED_LOAD_STORE

#define __TBB_USE_GENERIC_RELAXED_LOAD_STORE   1

Definition at line 230 of file linux_ia32.h.

◆ __TBB_USE_GENERIC_SEQUENTIAL_CONSISTENCY_LOAD_STORE

#define __TBB_USE_GENERIC_SEQUENTIAL_CONSISTENCY_LOAD_STORE   1

Definition at line 231 of file linux_ia32.h.

◆ __TBB_VOLATILE

#define __TBB_VOLATILE   volatile

Definition at line 42 of file linux_ia32.h.

◆ __TBB_WORDSIZE

#define __TBB_WORDSIZE   4

Definition at line 30 of file linux_ia32.h.

Function Documentation

◆ __TBB_machine_aligned_load8()

static int64_t __TBB_machine_aligned_load8 ( const volatile void ptr)
inlinestatic

Definition at line 173 of file linux_ia32.h.

173  {
174  __TBB_ASSERT(tbb::internal::is_aligned(ptr,8),"__TBB_machine_aligned_load8 should be used with 8 byte aligned locations only \n");
175  int64_t result;
176  __asm__ __volatile__ ( __TBB_fildq " %1\n\t"
177  __TBB_fistpq " %0" : "=m"(result) : "m"(*(const __TBB_VOLATILE uint64_t*)ptr) : "memory" );
178  return result;
179 }
#define __TBB_ASSERT(predicate, comment)
No-op version of __TBB_ASSERT.
Definition: tbb_stddef.h:169
#define __TBB_fistpq
Definition: linux_ia32.h:170
bool is_aligned(T *pointer, uintptr_t alignment)
A function to check if passed in pointer is aligned on a specific border.
Definition: tbb_stddef.h:353
#define __TBB_fildq
Definition: linux_ia32.h:169
#define __TBB_VOLATILE
Definition: linux_ia32.h:42

References __TBB_ASSERT, __TBB_fildq, __TBB_fistpq, __TBB_VOLATILE, and tbb::internal::is_aligned().

Referenced by __TBB_machine_load8().

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◆ __TBB_machine_aligned_store8()

static void __TBB_machine_aligned_store8 ( volatile void ptr,
int64_t  value 
)
inlinestatic

Definition at line 181 of file linux_ia32.h.

181  {
182  __TBB_ASSERT(tbb::internal::is_aligned(ptr,8),"__TBB_machine_aligned_store8 should be used with 8 byte aligned locations only \n");
183  // Aligned store
184  __asm__ __volatile__ ( __TBB_fildq " %1\n\t"
185  __TBB_fistpq " %0" : "=m"(*(__TBB_VOLATILE int64_t*)ptr) : "m"(value) : "memory" );
186 }
#define __TBB_ASSERT(predicate, comment)
No-op version of __TBB_ASSERT.
Definition: tbb_stddef.h:169
#define __TBB_fistpq
Definition: linux_ia32.h:170
bool is_aligned(T *pointer, uintptr_t alignment)
A function to check if passed in pointer is aligned on a specific border.
Definition: tbb_stddef.h:353
void const char const char int ITT_FORMAT __itt_group_sync x void const char ITT_FORMAT __itt_group_sync s void ITT_FORMAT __itt_group_sync p void ITT_FORMAT p void ITT_FORMAT p no args __itt_suppress_mode_t unsigned int void size_t ITT_FORMAT d void ITT_FORMAT p void ITT_FORMAT p __itt_model_site __itt_model_site_instance ITT_FORMAT p __itt_model_task __itt_model_task_instance ITT_FORMAT p void ITT_FORMAT p void ITT_FORMAT p void size_t ITT_FORMAT d void ITT_FORMAT p const wchar_t ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s no args void ITT_FORMAT p size_t ITT_FORMAT d no args const wchar_t const wchar_t ITT_FORMAT s __itt_heap_function void size_t int ITT_FORMAT d __itt_heap_function void ITT_FORMAT p __itt_heap_function void void size_t int ITT_FORMAT d no args no args unsigned int ITT_FORMAT u const __itt_domain __itt_id ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain __itt_id ITT_FORMAT p const __itt_domain __itt_id __itt_timestamp __itt_timestamp ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain ITT_FORMAT p const __itt_domain __itt_string_handle unsigned long long value
#define __TBB_fildq
Definition: linux_ia32.h:169
#define __TBB_VOLATILE
Definition: linux_ia32.h:42

References __TBB_ASSERT, __TBB_fildq, __TBB_fistpq, __TBB_VOLATILE, tbb::internal::is_aligned(), and value.

Referenced by __TBB_machine_store8().

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◆ __TBB_machine_and()

static void __TBB_machine_and ( volatile void ptr,
uint32_t  addend 
)
inlinestatic

Definition at line 157 of file linux_ia32.h.

157  {
158  __asm__ __volatile__("lock\nandl %1,%0" : "=m"(*(__TBB_VOLATILE uint32_t *)ptr) : "r"(addend), "m"(*(__TBB_VOLATILE uint32_t *)ptr) : "memory");
159 }
#define __TBB_VOLATILE
Definition: linux_ia32.h:42

References __TBB_VOLATILE.

◆ __TBB_machine_cmpswp8()

static __TBB_IA32_CAS8_NOINLINE int64_t __TBB_machine_cmpswp8 ( volatile void ptr,
int64_t  value,
int64_t  comparand 
)
inlinestatic

Definition at line 93 of file linux_ia32.h.

93  {
94 //TODO: remove the extra part of condition once __TBB_GCC_BUILTIN_ATOMICS_PRESENT is lowered to gcc version 4.1.2
95 #if (__TBB_GCC_BUILTIN_ATOMICS_PRESENT || (__TBB_GCC_VERSION >= 40102)) && !__TBB_GCC_64BIT_ATOMIC_BUILTINS_BROKEN
96  return __sync_val_compare_and_swap( reinterpret_cast<volatile int64_t*>(ptr), comparand, value );
97 #else /* !__TBB_GCC_BUILTIN_ATOMICS_PRESENT */
98  //TODO: look like ICC 13.0 has some issues with this code, investigate it more deeply
99  int64_t result;
100  union {
101  int64_t i64;
102  int32_t i32[2];
103  };
104  i64 = value;
105 #if __PIC__
106  /* compiling position-independent code */
107  // EBX register preserved for compliance with position-independent code rules on IA32
108  int32_t tmp;
109  __asm__ __volatile__ (
110  "movl %%ebx,%2\n\t"
111  "movl %5,%%ebx\n\t"
112 #if __GNUC__==3
113  "lock\n\t cmpxchg8b %1\n\t"
114 #else
115  "lock\n\t cmpxchg8b (%3)\n\t"
116 #endif
117  "movl %2,%%ebx"
118  : "=A"(result)
119  , "=m"(*(__TBB_VOLATILE int64_t *)ptr)
120  , "=m"(tmp)
121 #if __GNUC__==3
122  : "m"(*(__TBB_VOLATILE int64_t *)ptr)
123 #else
124  : "SD"(ptr)
125 #endif
126  , "0"(comparand)
127  , "m"(i32[0]), "c"(i32[1])
128  : "memory"
129 #if __INTEL_COMPILER
130  ,"ebx"
131 #endif
132  );
133 #else /* !__PIC__ */
134  __asm__ __volatile__ (
135  "lock\n\t cmpxchg8b %1\n\t"
136  : "=A"(result), "=m"(*(__TBB_VOLATILE int64_t *)ptr)
137  : "m"(*(__TBB_VOLATILE int64_t *)ptr)
138  , "0"(comparand)
139  , "b"(i32[0]), "c"(i32[1])
140  : "memory"
141  );
142 #endif /* __PIC__ */
143  return result;
144 #endif /* !__TBB_GCC_BUILTIN_ATOMICS_PRESENT */
145 }
void const char const char int ITT_FORMAT __itt_group_sync x void const char ITT_FORMAT __itt_group_sync s void ITT_FORMAT __itt_group_sync p void ITT_FORMAT p void ITT_FORMAT p no args __itt_suppress_mode_t unsigned int void size_t ITT_FORMAT d void ITT_FORMAT p void ITT_FORMAT p __itt_model_site __itt_model_site_instance ITT_FORMAT p __itt_model_task __itt_model_task_instance ITT_FORMAT p void ITT_FORMAT p void ITT_FORMAT p void size_t ITT_FORMAT d void ITT_FORMAT p const wchar_t ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s no args void ITT_FORMAT p size_t ITT_FORMAT d no args const wchar_t const wchar_t ITT_FORMAT s __itt_heap_function void size_t int ITT_FORMAT d __itt_heap_function void ITT_FORMAT p __itt_heap_function void void size_t int ITT_FORMAT d no args no args unsigned int ITT_FORMAT u const __itt_domain __itt_id ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain __itt_id ITT_FORMAT p const __itt_domain __itt_id __itt_timestamp __itt_timestamp ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain ITT_FORMAT p const __itt_domain __itt_string_handle unsigned long long value
#define __TBB_VOLATILE
Definition: linux_ia32.h:42

References __TBB_VOLATILE, and value.

Referenced by __TBB_machine_load8().

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◆ __TBB_machine_load8()

static int64_t __TBB_machine_load8 ( const volatile void ptr)
inlinestatic

Definition at line 188 of file linux_ia32.h.

188  {
189 #if __TBB_FORCE_64BIT_ALIGNMENT_BROKEN
190  if( tbb::internal::is_aligned(ptr,8)) {
191 #endif
192  return __TBB_machine_aligned_load8(ptr);
193 #if __TBB_FORCE_64BIT_ALIGNMENT_BROKEN
194  } else {
195  // Unaligned load
196  return __TBB_machine_cmpswp8(const_cast<void*>(ptr),0,0);
197  }
198 #endif
199 }
static __TBB_IA32_CAS8_NOINLINE int64_t __TBB_machine_cmpswp8(volatile void *ptr, int64_t value, int64_t comparand)
Definition: linux_ia32.h:93
bool is_aligned(T *pointer, uintptr_t alignment)
A function to check if passed in pointer is aligned on a specific border.
Definition: tbb_stddef.h:353
static int64_t __TBB_machine_aligned_load8(const volatile void *ptr)
Definition: linux_ia32.h:173

References __TBB_machine_aligned_load8(), __TBB_machine_cmpswp8(), and tbb::internal::is_aligned().

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◆ __TBB_machine_or()

static void __TBB_machine_or ( volatile void ptr,
uint32_t  addend 
)
inlinestatic

Definition at line 153 of file linux_ia32.h.

153  {
154  __asm__ __volatile__("lock\norl %1,%0" : "=m"(*(__TBB_VOLATILE uint32_t *)ptr) : "r"(addend), "m"(*(__TBB_VOLATILE uint32_t *)ptr) : "memory");
155 }
#define __TBB_VOLATILE
Definition: linux_ia32.h:42

References __TBB_VOLATILE.

◆ __TBB_machine_store8()

static void __TBB_machine_store8 ( volatile void ptr,
int64_t  value 
)
inlinestatic

Definition at line 206 of file linux_ia32.h.

206  {
207 #if __TBB_FORCE_64BIT_ALIGNMENT_BROKEN
208  if( tbb::internal::is_aligned(ptr,8)) {
209 #endif
211 #if __TBB_FORCE_64BIT_ALIGNMENT_BROKEN
212  } else {
213  // Unaligned store
214 #if TBB_USE_PERFORMANCE_WARNINGS
216 #endif /* TBB_USE_PERFORMANCE_WARNINGS */
218  }
219 #endif
220 }
static void __TBB_machine_aligned_store8(volatile void *ptr, int64_t value)
Definition: linux_ia32.h:181
bool is_aligned(T *pointer, uintptr_t alignment)
A function to check if passed in pointer is aligned on a specific border.
Definition: tbb_stddef.h:353
void const char const char int ITT_FORMAT __itt_group_sync x void const char ITT_FORMAT __itt_group_sync s void ITT_FORMAT __itt_group_sync p void ITT_FORMAT p void ITT_FORMAT p no args __itt_suppress_mode_t unsigned int void size_t ITT_FORMAT d void ITT_FORMAT p void ITT_FORMAT p __itt_model_site __itt_model_site_instance ITT_FORMAT p __itt_model_task __itt_model_task_instance ITT_FORMAT p void ITT_FORMAT p void ITT_FORMAT p void size_t ITT_FORMAT d void ITT_FORMAT p const wchar_t ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s no args void ITT_FORMAT p size_t ITT_FORMAT d no args const wchar_t const wchar_t ITT_FORMAT s __itt_heap_function void size_t int ITT_FORMAT d __itt_heap_function void ITT_FORMAT p __itt_heap_function void void size_t int ITT_FORMAT d no args no args unsigned int ITT_FORMAT u const __itt_domain __itt_id ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain __itt_id ITT_FORMAT p const __itt_domain __itt_id __itt_timestamp __itt_timestamp ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain ITT_FORMAT p const __itt_domain __itt_string_handle unsigned long long value
void __TBB_machine_store8_slow_perf_warning(volatile void *ptr)
void __TBB_machine_store8_slow(volatile void *ptr, int64_t value)
Handles misaligned 8-byte store.

References __TBB_machine_aligned_store8(), __TBB_machine_store8_slow(), __TBB_machine_store8_slow_perf_warning(), tbb::internal::is_aligned(), and value.

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◆ __TBB_machine_store8_slow()

void __TBB_machine_store8_slow ( volatile void ptr,
int64_t  value 
)

Handles misaligned 8-byte store.

Defined in tbb_misc.cpp

Referenced by __TBB_machine_store8().

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◆ __TBB_machine_store8_slow_perf_warning()

void __TBB_machine_store8_slow_perf_warning ( volatile void ptr)

Referenced by __TBB_machine_store8().

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