Content - e7d0161ff94c2e147f22908bc9559cb556425e88 - 471113a/Python/pymath.c

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Tip revision: 8d32a5c8c4e9c90b0a21e8b2fa0cd567465ced2b authored by Pablo Galindo on 06 May 2022, 22:55:59 UTC
Update the SOURCE_URI in pyspecific.py to point to the new branch

Tip revision: 8d32a5c

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

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