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| author | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:24:06 +0300 |
|---|---|---|
| committer | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:41:34 +0300 |
| commit | e0e3e1717e3d33762ce61950504f9637a6e669ed (patch) | |
| tree | bca3ff6939b10ed60c3d5c12439963a1146b9711 /contrib/tools/python3/src/Python/pymath.c | |
| parent | 38f2c5852db84c7b4d83adfcb009eb61541d1ccd (diff) | |
| download | ydb-e0e3e1717e3d33762ce61950504f9637a6e669ed.tar.gz | |
add ydb deps
Diffstat (limited to 'contrib/tools/python3/src/Python/pymath.c')
| -rw-r--r-- | contrib/tools/python3/src/Python/pymath.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/contrib/tools/python3/src/Python/pymath.c b/contrib/tools/python3/src/Python/pymath.c new file mode 100644 index 0000000000..e7d0161ff9 --- /dev/null +++ b/contrib/tools/python3/src/Python/pymath.c @@ -0,0 +1,19 @@ +#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 |