xref: /aosp_15_r20/external/llvm-libc/include/llvm-libc-macros/stdbit-macros.h (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)

//===-- Definition of macros to be used with stdbit functions ----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef __LLVM_LIBC_MACROS_STDBIT_MACROS_H
#define __LLVM_LIBC_MACROS_STDBIT_MACROS_H

#define __STDC_VERSION_STDBIT_H__ 202311L
#define __STDC_ENDIAN_LITTLE__ __ORDER_LITTLE_ENDIAN__
#define __STDC_ENDIAN_BIG__ __ORDER_BIG_ENDIAN__
#define __STDC_ENDIAN_NATIVE__ __BYTE_ORDER__

// TODO(https://github.com/llvm/llvm-project/issues/80509): support _BitInt().
#ifdef __cplusplus
inline unsigned stdc_leading_zeros(unsigned char x) {
  return stdc_leading_zeros_uc(x);
}
inline unsigned stdc_leading_zeros(unsigned short x) {
  return stdc_leading_zeros_us(x);
}
inline unsigned stdc_leading_zeros(unsigned x) {
  return stdc_leading_zeros_ui(x);
}
inline unsigned stdc_leading_zeros(unsigned long x) {
  return stdc_leading_zeros_ul(x);
}
inline unsigned stdc_leading_zeros(unsigned long long x) {
  return stdc_leading_zeros_ull(x);
}
inline unsigned stdc_leading_ones(unsigned char x) {
  return stdc_leading_ones_uc(x);
}
inline unsigned stdc_leading_ones(unsigned short x) {
  return stdc_leading_ones_us(x);
}
inline unsigned stdc_leading_ones(unsigned x) {
  return stdc_leading_ones_ui(x);
}
inline unsigned stdc_leading_ones(unsigned long x) {
  return stdc_leading_ones_ul(x);
}
inline unsigned stdc_leading_ones(unsigned long long x) {
  return stdc_leading_ones_ull(x);
}
inline unsigned stdc_trailing_zeros(unsigned char x) {
  return stdc_trailing_zeros_uc(x);
}
inline unsigned stdc_trailing_zeros(unsigned short x) {
  return stdc_trailing_zeros_us(x);
}
inline unsigned stdc_trailing_zeros(unsigned x) {
  return stdc_trailing_zeros_ui(x);
}
inline unsigned stdc_trailing_zeros(unsigned long x) {
  return stdc_trailing_zeros_ul(x);
}
inline unsigned stdc_trailing_zeros(unsigned long long x) {
  return stdc_trailing_zeros_ull(x);
}
inline unsigned stdc_trailing_ones(unsigned char x) {
  return stdc_trailing_ones_uc(x);
}
inline unsigned stdc_trailing_ones(unsigned short x) {
  return stdc_trailing_ones_us(x);
}
inline unsigned stdc_trailing_ones(unsigned x) {
  return stdc_trailing_ones_ui(x);
}
inline unsigned stdc_trailing_ones(unsigned long x) {
  return stdc_trailing_ones_ul(x);
}
inline unsigned stdc_trailing_ones(unsigned long long x) {
  return stdc_trailing_ones_ull(x);
}
inline unsigned stdc_first_leading_zero(unsigned char x) {
  return stdc_first_leading_zero_uc(x);
}
inline unsigned stdc_first_leading_zero(unsigned short x) {
  return stdc_first_leading_zero_us(x);
}
inline unsigned stdc_first_leading_zero(unsigned x) {
  return stdc_first_leading_zero_ui(x);
}
inline unsigned stdc_first_leading_zero(unsigned long x) {
  return stdc_first_leading_zero_ul(x);
}
inline unsigned stdc_first_leading_zero(unsigned long long x) {
  return stdc_first_leading_zero_ull(x);
}
inline unsigned stdc_first_leading_one(unsigned char x) {
  return stdc_first_leading_one_uc(x);
}
inline unsigned stdc_first_leading_one(unsigned short x) {
  return stdc_first_leading_one_us(x);
}
inline unsigned stdc_first_leading_one(unsigned x) {
  return stdc_first_leading_one_ui(x);
}
inline unsigned stdc_first_leading_one(unsigned long x) {
  return stdc_first_leading_one_ul(x);
}
inline unsigned stdc_first_leading_one(unsigned long long x) {
  return stdc_first_leading_one_ull(x);
}
inline unsigned stdc_first_trailing_zero(unsigned char x) {
  return stdc_first_trailing_zero_uc(x);
}
inline unsigned stdc_first_trailing_zero(unsigned short x) {
  return stdc_first_trailing_zero_us(x);
}
inline unsigned stdc_first_trailing_zero(unsigned x) {
  return stdc_first_trailing_zero_ui(x);
}
inline unsigned stdc_first_trailing_zero(unsigned long x) {
  return stdc_first_trailing_zero_ul(x);
}
inline unsigned stdc_first_trailing_zero(unsigned long long x) {
  return stdc_first_trailing_zero_ull(x);
}
inline unsigned stdc_first_trailing_one(unsigned char x) {
  return stdc_first_trailing_one_uc(x);
}
inline unsigned stdc_first_trailing_one(unsigned short x) {
  return stdc_first_trailing_one_us(x);
}
inline unsigned stdc_first_trailing_one(unsigned x) {
  return stdc_first_trailing_one_ui(x);
}
inline unsigned stdc_first_trailing_one(unsigned long x) {
  return stdc_first_trailing_one_ul(x);
}
inline unsigned stdc_first_trailing_one(unsigned long long x) {
  return stdc_first_trailing_one_ull(x);
}
inline unsigned stdc_count_zeros(unsigned char x) {
  return stdc_count_zeros_uc(x);
}
inline unsigned stdc_count_zeros(unsigned short x) {
  return stdc_count_zeros_us(x);
}
inline unsigned stdc_count_zeros(unsigned x) { return stdc_count_zeros_ui(x); }
inline unsigned stdc_count_zeros(unsigned long x) {
  return stdc_count_zeros_ul(x);
}
inline unsigned stdc_count_zeros(unsigned long long x) {
  return stdc_count_zeros_ull(x);
}
inline unsigned stdc_count_ones(unsigned char x) {
  return stdc_count_ones_uc(x);
}
inline unsigned stdc_count_ones(unsigned short x) {
  return stdc_count_ones_us(x);
}
inline unsigned stdc_count_ones(unsigned x) { return stdc_count_ones_ui(x); }
inline unsigned stdc_count_ones(unsigned long x) {
  return stdc_count_ones_ul(x);
}
inline unsigned stdc_count_ones(unsigned long long x) {
  return stdc_count_ones_ull(x);
}
inline bool stdc_has_single_bit(unsigned char x) {
  return stdc_has_single_bit_uc(x);
}
inline bool stdc_has_single_bit(unsigned short x) {
  return stdc_has_single_bit_us(x);
}
inline bool stdc_has_single_bit(unsigned x) {
  return stdc_has_single_bit_ui(x);
}
inline bool stdc_has_single_bit(unsigned long x) {
  return stdc_has_single_bit_ul(x);
}
inline bool stdc_has_single_bit(unsigned long long x) {
  return stdc_has_single_bit_ull(x);
}
inline unsigned stdc_bit_width(unsigned char x) { return stdc_bit_width_uc(x); }
inline unsigned stdc_bit_width(unsigned short x) {
  return stdc_bit_width_us(x);
}
inline unsigned stdc_bit_width(unsigned x) { return stdc_bit_width_ui(x); }
inline unsigned stdc_bit_width(unsigned long x) { return stdc_bit_width_ul(x); }
inline unsigned stdc_bit_width(unsigned long long x) {
  return stdc_bit_width_ull(x);
}
inline unsigned char stdc_bit_floor(unsigned char x) {
  return stdc_bit_floor_uc(x);
}
inline unsigned short stdc_bit_floor(unsigned short x) {
  return stdc_bit_floor_us(x);
}
inline unsigned stdc_bit_floor(unsigned x) { return stdc_bit_floor_ui(x); }
inline unsigned long stdc_bit_floor(unsigned long x) {
  return stdc_bit_floor_ul(x);
}
inline unsigned long long stdc_bit_floor(unsigned long long x) {
  return stdc_bit_floor_ull(x);
}
inline unsigned char stdc_bit_ceil(unsigned char x) {
  return stdc_bit_ceil_uc(x);
}
inline unsigned short stdc_bit_ceil(unsigned short x) {
  return stdc_bit_ceil_us(x);
}
inline unsigned stdc_bit_ceil(unsigned x) { return stdc_bit_ceil_ui(x); }
inline unsigned long stdc_bit_ceil(unsigned long x) {
  return stdc_bit_ceil_ul(x);
}
inline unsigned long long stdc_bit_ceil(unsigned long long x) {
  return stdc_bit_ceil_ull(x);
}
#else
#define stdc_leading_zeros(x)                                                  \
  _Generic((x),                                                                \
      unsigned char: stdc_leading_zeros_uc,                                    \
      unsigned short: stdc_leading_zeros_us,                                   \
      unsigned: stdc_leading_zeros_ui,                                         \
      unsigned long: stdc_leading_zeros_ul,                                    \
      unsigned long long: stdc_leading_zeros_ull)(x)
#define stdc_leading_ones(x)                                                   \
  _Generic((x),                                                                \
      unsigned char: stdc_leading_ones_uc,                                     \
      unsigned short: stdc_leading_ones_us,                                    \
      unsigned: stdc_leading_ones_ui,                                          \
      unsigned long: stdc_leading_ones_ul,                                     \
      unsigned long long: stdc_leading_ones_ull)(x)
#define stdc_trailing_zeros(x)                                                 \
  _Generic((x),                                                                \
      unsigned char: stdc_trailing_zeros_uc,                                   \
      unsigned short: stdc_trailing_zeros_us,                                  \
      unsigned: stdc_trailing_zeros_ui,                                        \
      unsigned long: stdc_trailing_zeros_ul,                                   \
      unsigned long long: stdc_trailing_zeros_ull)(x)
#define stdc_trailing_ones(x)                                                  \
  _Generic((x),                                                                \
      unsigned char: stdc_trailing_ones_uc,                                    \
      unsigned short: stdc_trailing_ones_us,                                   \
      unsigned: stdc_trailing_ones_ui,                                         \
      unsigned long: stdc_trailing_ones_ul,                                    \
      unsigned long long: stdc_trailing_ones_ull)(x)
#define stdc_first_leading_zero(x)                                             \
  _Generic((x),                                                                \
      unsigned char: stdc_first_leading_zero_uc,                               \
      unsigned short: stdc_first_leading_zero_us,                              \
      unsigned: stdc_first_leading_zero_ui,                                    \
      unsigned long: stdc_first_leading_zero_ul,                               \
      unsigned long long: stdc_first_leading_zero_ull)(x)
#define stdc_first_leading_one(x)                                              \
  _Generic((x),                                                                \
      unsigned char: stdc_first_leading_one_uc,                                \
      unsigned short: stdc_first_leading_one_us,                               \
      unsigned: stdc_first_leading_one_ui,                                     \
      unsigned long: stdc_first_leading_one_ul,                                \
      unsigned long long: stdc_first_leading_one_ull)(x)
#define stdc_first_trailing_zero(x)                                            \
  _Generic((x),                                                                \
      unsigned char: stdc_first_trailing_zero_uc,                              \
      unsigned short: stdc_first_trailing_zero_us,                             \
      unsigned: stdc_first_trailing_zero_ui,                                   \
      unsigned long: stdc_first_trailing_zero_ul,                              \
      unsigned long long: stdc_first_trailing_zero_ull)(x)
#define stdc_first_trailing_one(x)                                             \
  _Generic((x),                                                                \
      unsigned char: stdc_first_trailing_one_uc,                               \
      unsigned short: stdc_first_trailing_one_us,                              \
      unsigned: stdc_first_trailing_one_ui,                                    \
      unsigned long: stdc_first_trailing_one_ul,                               \
      unsigned long long: stdc_first_trailing_one_ull)(x)
#define stdc_count_zeros(x)                                                    \
  _Generic((x),                                                                \
      unsigned char: stdc_count_zeros_uc,                                      \
      unsigned short: stdc_count_zeros_us,                                     \
      unsigned: stdc_count_zeros_ui,                                           \
      unsigned long: stdc_count_zeros_ul,                                      \
      unsigned long long: stdc_count_zeros_ull)(x)
#define stdc_count_ones(x)                                                     \
  _Generic((x),                                                                \
      unsigned char: stdc_count_ones_uc,                                       \
      unsigned short: stdc_count_ones_us,                                      \
      unsigned: stdc_count_ones_ui,                                            \
      unsigned long: stdc_count_ones_ul,                                       \
      unsigned long long: stdc_count_ones_ull)(x)
#define stdc_has_single_bit(x)                                                 \
  _Generic((x),                                                                \
      unsigned char: stdc_has_single_bit_uc,                                   \
      unsigned short: stdc_has_single_bit_us,                                  \
      unsigned: stdc_has_single_bit_ui,                                        \
      unsigned long: stdc_has_single_bit_ul,                                   \
      unsigned long long: stdc_has_single_bit_ull)(x)
#define stdc_bit_width(x)                                                      \
  _Generic((x),                                                                \
      unsigned char: stdc_bit_width_uc,                                        \
      unsigned short: stdc_bit_width_us,                                       \
      unsigned: stdc_bit_width_ui,                                             \
      unsigned long: stdc_bit_width_ul,                                        \
      unsigned long long: stdc_bit_width_ull)(x)
#define stdc_bit_floor(x)                                                      \
  _Generic((x),                                                                \
      unsigned char: stdc_bit_floor_uc,                                        \
      unsigned short: stdc_bit_floor_us,                                       \
      unsigned: stdc_bit_floor_ui,                                             \
      unsigned long: stdc_bit_floor_ul,                                        \
      unsigned long long: stdc_bit_floor_ull)(x)
#define stdc_bit_ceil(x)                                                       \
  _Generic((x),                                                                \
      unsigned char: stdc_bit_ceil_uc,                                         \
      unsigned short: stdc_bit_ceil_us,                                        \
      unsigned: stdc_bit_ceil_ui,                                              \
      unsigned long: stdc_bit_ceil_ul,                                         \
      unsigned long long: stdc_bit_ceil_ull)(x)
#endif // __cplusplus

#endif // __LLVM_LIBC_MACROS_STDBIT_MACROS_H