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gh-112535: Update _Py_ThreadId() to support s390/s390x #112751

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Merged
corona10 merged 5 commits into from
Dec 8, 2023
Merged

gh-112535: Update _Py_ThreadId() to support s390/s390x #112751

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4cfec3e
gh-112535: Update _Py_ThreadId() to support s390/s390x
corona10 Dec 5, 2023
b296c64
Update Include/object.h
corona10 Dec 5, 2023
30dd74e
Address code review
corona10 Dec 5, 2023
b932f6b
nit
corona10 Dec 5, 2023
13e5a4b
Address code review
corona10 Dec 5, 2023
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8 changes: 2 additions & 6 deletions Include/object.h
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Original file line number Diff line number Diff line change
Expand Up @@ -279,13 +279,9 @@ _Py_ThreadId(void)
__asm__ ("" : "=r" (tp));
tid = tp;
#endif
#elif defined(__s390__)
#if defined(__clang__) && _Py__has_builtin(__builtin_thread_pointer)
#elif defined(__s390__) && _Py__has_builtin(__builtin_thread_pointer)
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// Both GCC and Clang have supported __builtin_thread_pointer for s390
tid = (uintptr_t)__builtin_thread_pointer();
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#else
// Access register 0 is used as the thread pointer.
__asm__ ("ear %0,%%a0" : "=d"(tid));
#endif
#else
# error "define _Py_ThreadId for this platform"
#endif
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