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- HEAD
- refs/heads/3.10
- refs/heads/3.11
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- refs/heads/main
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- v3.11.8
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- v3.10.9
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- v3.10.0
- v2.7.18rc1
- v2.7.18
- v2.7.17rc1
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- v2.7.14rc1
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Tip revision: b6bd7ffcbc1ffaa68e3423e7415ef8ba0f8a188d authored by Thomas Wouters on 06 December 2022, 18:31:10 UTC
Python 3.12.0a3
Python 3.12.0a3
Tip revision: b6bd7ff
pymath.c
#include "Python.h"
#ifdef HAVE_GCC_ASM_FOR_X87
// Inline assembly for getting and setting the 387 FPU control word on
// GCC/x86.
#ifdef _Py_MEMORY_SANITIZER
__attribute__((no_sanitize_memory))
#endif
unsigned short _Py_get_387controlword(void) {
unsigned short cw;
__asm__ __volatile__ ("fnstcw %0" : "=m" (cw));
return cw;
}
void _Py_set_387controlword(unsigned short cw) {
__asm__ __volatile__ ("fldcw %0" : : "m" (cw));
}
#endif // HAVE_GCC_ASM_FOR_X87