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Name	Size	Permission	Date
mimalloc	[ DIR ]	drwxr-xr-x	2025-05-13 10:39
pycore_abstract.h	1.87 KB	-rw-r--r--	2025-04-08 13:54
pycore_asdl.h	2.96 KB	-rw-r--r--	2025-04-08 13:54
pycore_ast.h	30.78 KB	-rw-r--r--	2025-04-08 13:54
pycore_ast_state.h	6.62 KB	-rw-r--r--	2025-04-08 13:54
pycore_atexit.h	1.4 KB	-rw-r--r--	2025-04-08 13:54
pycore_backoff.h	3.81 KB	-rw-r--r--	2025-04-08 13:54
pycore_bitutils.h	5.88 KB	-rw-r--r--	2025-04-08 13:54
pycore_blocks_output_buffer.h	8.57 KB	-rw-r--r--	2025-04-08 13:54
pycore_brc.h	2.05 KB	-rw-r--r--	2025-04-08 13:54
pycore_bytes_methods.h	3.84 KB	-rw-r--r--	2025-04-08 13:54
pycore_bytesobject.h	4.75 KB	-rw-r--r--	2025-04-08 13:54
pycore_call.h	5.99 KB	-rw-r--r--	2025-04-08 13:54
pycore_capsule.h	397 B	-rw-r--r--	2025-04-08 13:54
pycore_cell.h	1.03 KB	-rw-r--r--	2025-04-08 13:54
pycore_ceval.h	10.9 KB	-rw-r--r--	2025-04-08 13:54
pycore_ceval_state.h	3.83 KB	-rw-r--r--	2025-04-08 13:54
pycore_code.h	19.4 KB	-rw-r--r--	2025-04-08 13:54
pycore_codecs.h	2.41 KB	-rw-r--r--	2025-04-08 13:54
pycore_compile.h	3.66 KB	-rw-r--r--	2025-04-08 13:54
pycore_complexobject.h	588 B	-rw-r--r--	2025-04-08 13:54
pycore_condvar.h	2.64 KB	-rw-r--r--	2025-04-08 13:54
pycore_context.h	1.15 KB	-rw-r--r--	2025-04-08 13:54
pycore_critical_section.h	7.78 KB	-rw-r--r--	2025-04-08 13:54
pycore_crossinterp.h	11.84 KB	-rw-r--r--	2025-04-08 13:54
pycore_descrobject.h	543 B	-rw-r--r--	2025-04-08 13:54
pycore_dict.h	11.98 KB	-rw-r--r--	2025-04-08 13:54
pycore_dict_state.h	732 B	-rw-r--r--	2025-04-08 13:54
pycore_dtoa.h	1.69 KB	-rw-r--r--	2025-04-08 13:54
pycore_emscripten_signal.h	685 B	-rw-r--r--	2025-04-08 13:54
pycore_emscripten_trampoline.h	3.11 KB	-rw-r--r--	2025-04-08 13:54
pycore_exceptions.h	900 B	-rw-r--r--	2025-04-08 13:54
pycore_faulthandler.h	2.19 KB	-rw-r--r--	2025-04-08 13:54
pycore_fileutils.h	9.25 KB	-rw-r--r--	2025-04-08 13:54
pycore_fileutils_windows.h	2.65 KB	-rw-r--r--	2025-04-08 13:54
pycore_floatobject.h	1.46 KB	-rw-r--r--	2025-04-08 13:54
pycore_flowgraph.h	1.45 KB	-rw-r--r--	2025-04-08 13:54
pycore_format.h	480 B	-rw-r--r--	2025-04-08 13:54
pycore_frame.h	10.62 KB	-rw-r--r--	2025-04-08 13:54
pycore_freelist.h	4.7 KB	-rw-r--r--	2025-04-08 13:54
pycore_function.h	1.5 KB	-rw-r--r--	2025-04-08 13:54
pycore_gc.h	12.66 KB	-rw-r--r--	2025-04-08 13:54
pycore_genobject.h	859 B	-rw-r--r--	2025-04-08 13:54
pycore_getopt.h	490 B	-rw-r--r--	2025-04-08 13:54
pycore_gil.h	2.14 KB	-rw-r--r--	2025-04-08 13:54
pycore_global_objects.h	3.02 KB	-rw-r--r--	2025-04-08 13:54
pycore_global_objects_fini_generated.h	115.04 KB	-rw-r--r--	2025-04-08 13:54
pycore_global_strings.h	26.08 KB	-rw-r--r--	2025-04-08 13:54
pycore_hamt.h	3.65 KB	-rw-r--r--	2025-04-08 13:54
pycore_hashtable.h	4.26 KB	-rw-r--r--	2025-04-08 13:54
pycore_identifier.h	515 B	-rw-r--r--	2025-04-08 13:54
pycore_import.h	7.55 KB	-rw-r--r--	2025-04-08 13:54
pycore_importdl.h	3.96 KB	-rw-r--r--	2025-04-08 13:54
pycore_initconfig.h	6.23 KB	-rw-r--r--	2025-04-08 13:54
pycore_instruction_sequence.h	2.11 KB	-rw-r--r--	2025-04-08 13:54
pycore_instruments.h	2.28 KB	-rw-r--r--	2025-04-08 13:54
pycore_interp.h	14.71 KB	-rw-r--r--	2025-04-08 13:54
pycore_intrinsics.h	1.71 KB	-rw-r--r--	2025-04-08 13:54
pycore_jit.h	527 B	-rw-r--r--	2025-04-08 13:54
pycore_list.h	1.82 KB	-rw-r--r--	2025-04-08 13:54
pycore_llist.h	2.36 KB	-rw-r--r--	2025-04-08 13:54
pycore_lock.h	8.34 KB	-rw-r--r--	2025-04-08 13:54
pycore_long.h	9.73 KB	-rw-r--r--	2025-04-08 13:54
pycore_memoryobject.h	427 B	-rw-r--r--	2025-04-08 13:54
pycore_mimalloc.h	1.6 KB	-rw-r--r--	2025-04-08 13:54
pycore_modsupport.h	3.27 KB	-rw-r--r--	2025-04-08 13:54
pycore_moduleobject.h	1.54 KB	-rw-r--r--	2025-04-08 13:54
pycore_namespace.h	435 B	-rw-r--r--	2025-04-08 13:54
pycore_object.h	26.64 KB	-rw-r--r--	2025-04-08 13:54
pycore_object_alloc.h	2.13 KB	-rw-r--r--	2025-04-08 13:54
pycore_object_stack.h	2.33 KB	-rw-r--r--	2025-04-08 13:54
pycore_object_state.h	942 B	-rw-r--r--	2025-04-08 13:54
pycore_obmalloc.h	26.78 KB	-rw-r--r--	2025-04-08 13:54
pycore_obmalloc_init.h	1.89 KB	-rw-r--r--	2025-04-08 13:54
pycore_opcode_metadata.h	82.74 KB	-rw-r--r--	2025-04-08 13:54
pycore_opcode_utils.h	2.07 KB	-rw-r--r--	2025-04-08 13:54
pycore_optimizer.h	8.11 KB	-rw-r--r--	2025-04-08 13:54
pycore_parking_lot.h	3.27 KB	-rw-r--r--	2025-04-08 13:54
pycore_parser.h	2.04 KB	-rw-r--r--	2025-04-08 13:54
pycore_pathconfig.h	658 B	-rw-r--r--	2025-04-08 13:54
pycore_pyarena.h	2.79 KB	-rw-r--r--	2025-04-08 13:54
pycore_pyatomic_ft_wrappers.h	7.87 KB	-rw-r--r--	2025-04-08 13:54
pycore_pybuffer.h	510 B	-rw-r--r--	2025-04-08 13:54
pycore_pyerrors.h	4.84 KB	-rw-r--r--	2025-04-08 13:54
pycore_pyhash.h	2.75 KB	-rw-r--r--	2025-04-08 13:54
pycore_pylifecycle.h	4.36 KB	-rw-r--r--	2025-04-08 13:54
pycore_pymath.h	8.4 KB	-rw-r--r--	2025-04-08 13:54
pycore_pymem.h	4.37 KB	-rw-r--r--	2025-04-08 13:54
pycore_pymem_init.h	3.44 KB	-rw-r--r--	2025-04-08 13:54
pycore_pystate.h	9.73 KB	-rw-r--r--	2025-04-08 13:54
pycore_pystats.h	420 B	-rw-r--r--	2025-04-08 13:54
pycore_pythonrun.h	758 B	-rw-r--r--	2025-04-08 13:54
pycore_pythread.h	5.3 KB	-rw-r--r--	2025-04-08 13:54
pycore_qsbr.h	4.81 KB	-rw-r--r--	2025-04-08 13:54
pycore_range.h	346 B	-rw-r--r--	2025-04-08 13:54
pycore_runtime.h	12.84 KB	-rw-r--r--	2025-04-08 13:54
pycore_runtime_init.h	12.74 KB	-rw-r--r--	2025-04-08 13:54
pycore_runtime_init_generated.h	45.72 KB	-rw-r--r--	2025-04-08 13:54
pycore_semaphore.h	1.69 KB	-rw-r--r--	2025-04-08 13:54
pycore_setobject.h	951 B	-rw-r--r--	2025-04-08 13:54
pycore_signal.h	2.86 KB	-rw-r--r--	2025-04-08 13:54
pycore_sliceobject.h	369 B	-rw-r--r--	2025-04-08 13:54
pycore_stackref.h	5.06 KB	-rw-r--r--	2025-04-08 13:54
pycore_strhex.h	1013 B	-rw-r--r--	2025-04-08 13:54
pycore_structseq.h	963 B	-rw-r--r--	2025-04-08 13:54
pycore_symtable.h	8.47 KB	-rw-r--r--	2025-04-08 13:54
pycore_sysmodule.h	1.15 KB	-rw-r--r--	2025-04-08 13:54
pycore_time.h	11.52 KB	-rw-r--r--	2025-04-08 13:54
pycore_token.h	2.93 KB	-rw-r--r--	2025-04-08 13:54
pycore_traceback.h	3.54 KB	-rw-r--r--	2025-04-08 13:54
pycore_tracemalloc.h	4.43 KB	-rw-r--r--	2025-04-08 13:54
pycore_tstate.h	1.32 KB	-rw-r--r--	2025-04-08 13:54
pycore_tuple.h	820 B	-rw-r--r--	2025-04-08 13:54
pycore_typeobject.h	8.67 KB	-rw-r--r--	2025-04-08 13:54
pycore_typevarobject.h	924 B	-rw-r--r--	2025-04-08 13:54
pycore_ucnhash.h	958 B	-rw-r--r--	2025-04-08 13:54
pycore_unicodeobject.h	12.15 KB	-rw-r--r--	2025-04-08 13:54
pycore_unicodeobject_generated.h	129.04 KB	-rw-r--r--	2025-04-08 13:54
pycore_unionobject.h	742 B	-rw-r--r--	2025-04-08 13:54
pycore_uop_ids.h	10.03 KB	-rw-r--r--	2025-04-08 13:54
pycore_uop_metadata.h	38.54 KB	-rw-r--r--	2025-04-08 13:54
pycore_warnings.h	840 B	-rw-r--r--	2025-04-08 13:54
pycore_weakref.h	3.25 KB	-rw-r--r--	2025-04-08 13:54

Rename

/* Bit and bytes utilities.

Bytes swap functions, reverse order of bytes:

- _Py_bswap16(uint16_t)
   - _Py_bswap32(uint32_t)
   - _Py_bswap64(uint64_t)
*/

#ifndef Py_INTERNAL_BITUTILS_H
#define Py_INTERNAL_BITUTILS_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

#if defined(__GNUC__) \
      && ((__GNUC__ >= 5) || (__GNUC__ == 4) && (__GNUC_MINOR__ >= 8))
   /* __builtin_bswap16() is available since GCC 4.8,
      __builtin_bswap32() is available since GCC 4.3,
      __builtin_bswap64() is available since GCC 4.3. */
#  define _PY_HAVE_BUILTIN_BSWAP
#endif

#ifdef _MSC_VER
#  include <intrin.h>             // _byteswap_uint64()
#endif

static inline uint16_t
_Py_bswap16(uint16_t word)
{
#if defined(_PY_HAVE_BUILTIN_BSWAP) || _Py__has_builtin(__builtin_bswap16)
    return __builtin_bswap16(word);
#elif defined(_MSC_VER)
    Py_BUILD_ASSERT(sizeof(word) == sizeof(unsigned short));
    return _byteswap_ushort(word);
#else
    // Portable implementation which doesn't rely on circular bit shift
    return ( ((word & UINT16_C(0x00FF)) << 8)
           | ((word & UINT16_C(0xFF00)) >> 8));
#endif
}

static inline uint32_t
_Py_bswap32(uint32_t word)
{
#if defined(_PY_HAVE_BUILTIN_BSWAP) || _Py__has_builtin(__builtin_bswap32)
    return __builtin_bswap32(word);
#elif defined(_MSC_VER)
    Py_BUILD_ASSERT(sizeof(word) == sizeof(unsigned long));
    return _byteswap_ulong(word);
#else
    // Portable implementation which doesn't rely on circular bit shift
    return ( ((word & UINT32_C(0x000000FF)) << 24)
           | ((word & UINT32_C(0x0000FF00)) <<  8)
           | ((word & UINT32_C(0x00FF0000)) >>  8)
           | ((word & UINT32_C(0xFF000000)) >> 24));
#endif
}

static inline uint64_t
_Py_bswap64(uint64_t word)
{
#if defined(_PY_HAVE_BUILTIN_BSWAP) || _Py__has_builtin(__builtin_bswap64)
    return __builtin_bswap64(word);
#elif defined(_MSC_VER)
    return _byteswap_uint64(word);
#else
    // Portable implementation which doesn't rely on circular bit shift
    return ( ((word & UINT64_C(0x00000000000000FF)) << 56)
           | ((word & UINT64_C(0x000000000000FF00)) << 40)
           | ((word & UINT64_C(0x0000000000FF0000)) << 24)
           | ((word & UINT64_C(0x00000000FF000000)) <<  8)
           | ((word & UINT64_C(0x000000FF00000000)) >>  8)
           | ((word & UINT64_C(0x0000FF0000000000)) >> 24)
           | ((word & UINT64_C(0x00FF000000000000)) >> 40)
           | ((word & UINT64_C(0xFF00000000000000)) >> 56));
#endif
}

// Population count: count the number of 1's in 'x'
// (number of bits set to 1), also known as the hamming weight.
//
// Implementation note. CPUID is not used, to test if x86 POPCNT instruction
// can be used, to keep the implementation simple. For example, Visual Studio
// __popcnt() is not used this reason. The clang and GCC builtin function can
// use the x86 POPCNT instruction if the target architecture has SSE4a or
// newer.
static inline int
_Py_popcount32(uint32_t x)
{
#if (defined(__clang__) || defined(__GNUC__))

#if SIZEOF_INT >= 4
    Py_BUILD_ASSERT(sizeof(x) <= sizeof(unsigned int));
    return __builtin_popcount(x);
#else
    // The C standard guarantees that unsigned long will always be big enough
    // to hold a uint32_t value without losing information.
    Py_BUILD_ASSERT(sizeof(x) <= sizeof(unsigned long));
    return __builtin_popcountl(x);
#endif

#else
    // 32-bit SWAR (SIMD Within A Register) popcount

// Binary: 0 1 0 1 ...
    const uint32_t M1 = 0x55555555;
    // Binary: 00 11 00 11. ..
    const uint32_t M2 = 0x33333333;
    // Binary: 0000 1111 0000 1111 ...
    const uint32_t M4 = 0x0F0F0F0F;

// Put count of each 2 bits into those 2 bits
    x = x - ((x >> 1) & M1);
    // Put count of each 4 bits into those 4 bits
    x = (x & M2) + ((x >> 2) & M2);
    // Put count of each 8 bits into those 8 bits
    x = (x + (x >> 4)) & M4;
    // Sum of the 4 byte counts.
    // Take care when considering changes to the next line. Portability and
    // correctness are delicate here, thanks to C's "integer promotions" (C99
    // §6.3.1.1p2). On machines where the `int` type has width greater than 32
    // bits, `x` will be promoted to an `int`, and following C's "usual
    // arithmetic conversions" (C99 §6.3.1.8), the multiplication will be
    // performed as a multiplication of two `unsigned int` operands. In this
    // case it's critical that we cast back to `uint32_t` in order to keep only
    // the least significant 32 bits. On machines where the `int` type has
    // width no greater than 32, the multiplication is of two 32-bit unsigned
    // integer types, and the (uint32_t) cast is a no-op. In both cases, we
    // avoid the risk of undefined behaviour due to overflow of a
    // multiplication of signed integer types.
    return (uint32_t)(x * 0x01010101U) >> 24;
#endif
}

// Return the index of the most significant 1 bit in 'x'. This is the smallest
// integer k such that x < 2**k. Equivalent to floor(log2(x)) + 1 for x != 0.
static inline int
_Py_bit_length(unsigned long x)
{
#if (defined(__clang__) || defined(__GNUC__))
    if (x != 0) {
        // __builtin_clzl() is available since GCC 3.4.
        // Undefined behavior for x == 0.
        return (int)sizeof(unsigned long) * 8 - __builtin_clzl(x);
    }
    else {
        return 0;
    }
#elif defined(_MSC_VER)
    // _BitScanReverse() is documented to search 32 bits.
    Py_BUILD_ASSERT(sizeof(unsigned long) <= 4);
    unsigned long msb;
    if (_BitScanReverse(&msb, x)) {
        return (int)msb + 1;
    }
    else {
        return 0;
    }
#else
    const int BIT_LENGTH_TABLE[32] = {
        0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
        5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
    };
    int msb = 0;
    while (x >= 32) {
        msb += 6;
        x >>= 6;
    }
    msb += BIT_LENGTH_TABLE[x];
    return msb;
#endif
}

#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_BITUTILS_H */