diff options
| author | thegeorg <thegeorg@yandex-team.com> | 2024-02-19 02:38:52 +0300 |
|---|---|---|
| committer | thegeorg <thegeorg@yandex-team.com> | 2024-02-19 02:50:43 +0300 |
| commit | d96fa07134c06472bfee6718b5cfd1679196fc99 (patch) | |
| tree | 31ec344fa9d3ff8dc038692516b6438dfbdb8a2d /contrib/tools/python3/Python/pymath.c | |
| parent | 452cf9e068aef7110e35e654c5d47eb80111ef89 (diff) | |
| download | ydb-d96fa07134c06472bfee6718b5cfd1679196fc99.tar.gz | |
Sync contrib/tools/python3 layout with upstream
* Move src/ subdir contents to the top of the layout
* Rename self-written lib -> lib2 to avoid CaseFolding warning from the VCS
* Regenerate contrib/libs/python proxy-headers accordingly
4ccc62ac1511abcf0fed14ccade38e984e088f1e
Diffstat (limited to 'contrib/tools/python3/Python/pymath.c')
| -rw-r--r-- | contrib/tools/python3/Python/pymath.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/contrib/tools/python3/Python/pymath.c b/contrib/tools/python3/Python/pymath.c new file mode 100644 index 0000000000..e7d0161ff9 --- /dev/null +++ b/contrib/tools/python3/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 |