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bpo-45412: Move _Py_SET_53BIT_PRECISION_START to pycore_pymath.h (GH-28882)

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Move the following macros , to pycore_pymath.h (internal C API):

* _Py_SET_53BIT_PRECISION_HEADER
* _Py_SET_53BIT_PRECISION_START
* _Py_SET_53BIT_PRECISION_END

PEP 7: add braces to if and "do { ... } while (0)" in these macros.

Move also _Py_get_387controlword() and _Py_set_387controlword()
definitions to pycore_pymath.h. These functions are no longer
exported.

pystrtod.c now includes pycore_pymath.h.
This commit is contained in:
Victor Stinner 2021-10-11 23:09:40 +02:00 • committed by GitHub
parent a9fe1a8e5b
commit 7103356455
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5 changed files with 111 additions and 88 deletions
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Python/pymath.c
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@ -13,10 +13,10 @@ double _Py_force_double(double x)
}
#endif
#ifdef HAVE_GCC_ASM_FOR_X87
/* inline assembly for getting and setting the 387 FPU control word on
gcc/x86 */
#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
@ -29,8 +29,7 @@ unsigned short _Py_get_387controlword(void) {
void _Py_set_387controlword(unsigned short cw) {
__asm__ __volatile__ ("fldcw %0" : : "m" (cw));
}
#endif
#endif // HAVE_GCC_ASM_FOR_X87
#ifndef HAVE_HYPOT