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gh-112535: Update _Py_ThreadId() to support PowerPC #112624

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Merged
merged 4 commits into from
Dec 5, 2023
Merged

gh-112535: Update _Py_ThreadId() to support PowerPC #112624

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74d84d8
gh-112535: Update _Py_ThreadId() to support PowerPC
corona10 Dec 2, 2023
fd4c844
Address code review
corona10 Dec 3, 2023
faac7b9
Address code review
corona10 Dec 4, 2023
57bb100
Merge remote-tracking branch 'upstream/main' into gh-112535-powerpc
corona10 Dec 4, 2023
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16 changes: 16 additions & 0 deletions Include/object.h
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Original file line number Diff line number Diff line change
Expand Up @@ -261,6 +261,22 @@ _Py_ThreadId(void)
__asm__ ("mrs %0, tpidrro_el0" : "=r" (tid));
#elif defined(__aarch64__)
__asm__ ("mrs %0, tpidr_el0" : "=r" (tid));
#elif defined(__powerpc64__)
#if defined(__clang__) && _Py__has_builtin(__builtin_thread_pointer)
tid = (uintptr_t)__builtin_thread_pointer();
#else
register uintptr_t tp __asm__ ("r13");
__asm__("" : "=r" (tp));
tid = tp;
#endif
#elif defined(__powerpc__)
#if defined(__clang__) && _Py__has_builtin(__builtin_thread_pointer)
tid = (uintptr_t)__builtin_thread_pointer();
#else
register uintptr_t tp __asm__ ("r2");
__asm__ ("" : "=r" (tp));
tid = tp;
#endif
#else
# error "define _Py_ThreadId for this platform"
#endif
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