diff options
| -rw-r--r-- | NEWS | 5 | ||||
| -rw-r--r-- | manual/stdbit.texi | 8 | ||||
| -rw-r--r-- | stdlib/Makefile | 1 | ||||
| -rw-r--r-- | stdlib/stdbit.h | 84 | ||||
| -rw-r--r-- | stdlib/tst-stdbit-builtins.c | 778 |
5 files changed, 860 insertions, 16 deletions
@@ -9,7 +9,10 @@ Version 2.40 Major new features: - [Add new features here] +* The <stdbit.h> header type-generic macros have been changed when using + GCC 14.1 or later to use __builtin_stdc_bit_ceil etc. built-in functions + in order to support unsigned __int128 and/or unsigned _BitInt(N) operands + with arbitrary precisions when supported by the target. Deprecated and removed features, and other changes affecting compatibility: diff --git a/manual/stdbit.texi b/manual/stdbit.texi index fe41c67..8688930 100644 --- a/manual/stdbit.texi +++ b/manual/stdbit.texi @@ -32,7 +32,13 @@ and @code{unsigned long long int}. In addition, there is a corresponding type-generic macro (not listed below), named the same as the functions but without any suffix such as @samp{_uc}. The type-generic macro can only be used with an argument of an unsigned -integer type with a width of 8, 16, 32 or 64 bits. +integer type with a width of 8, 16, 32 or 64 bits, or when using +a compiler with support for +@uref{https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html@code{__builtin_stdc_bit_ceil}}, +etc.@:, built-in functions such as GCC 14.1 or later +any unsigned integer type those built-in functions support. +In GCC 14.1 that includes support for @code{unsigned __int128} and +@code{unsigned _BitInt(@var{n})} if supported by the target. @deftypefun {unsigned int} stdc_leading_zeros_uc (unsigned char @var{x}) @deftypefunx {unsigned int} stdc_leading_zeros_us (unsigned short @var{x}) diff --git a/stdlib/Makefile b/stdlib/Makefile index d587f05..9898cc5 100644 --- a/stdlib/Makefile +++ b/stdlib/Makefile @@ -308,6 +308,7 @@ tests := \ tst-setcontext10 \ tst-setcontext11 \ tst-stdbit-Wconversion \ + tst-stdbit-builtins \ tst-stdc_bit_ceil \ tst-stdc_bit_floor \ tst-stdc_bit_width \ diff --git a/stdlib/stdbit.h b/stdlib/stdbit.h index f334eb1..2801590 100644 --- a/stdlib/stdbit.h +++ b/stdlib/stdbit.h @@ -64,9 +64,13 @@ extern unsigned int stdc_leading_zeros_ul (unsigned long int __x) __extension__ extern unsigned int stdc_leading_zeros_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_leading_zeros(x) \ +#if __glibc_has_builtin (__builtin_stdc_leading_zeros) +# define stdc_leading_zeros(x) (__builtin_stdc_leading_zeros (x)) +#else +# define stdc_leading_zeros(x) \ (stdc_leading_zeros_ull (x) \ - (unsigned int) (8 * (sizeof (0ULL) - sizeof (x)))) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_clzll) static __always_inline unsigned int @@ -116,9 +120,13 @@ extern unsigned int stdc_leading_ones_ul (unsigned long int __x) __extension__ extern unsigned int stdc_leading_ones_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_leading_ones(x) \ +#if __glibc_has_builtin (__builtin_stdc_leading_ones) +# define stdc_leading_ones(x) (__builtin_stdc_leading_ones (x)) +#else +# define stdc_leading_ones(x) \ (stdc_leading_ones_ull ((unsigned long long int) (x) \ << 8 * (sizeof (0ULL) - sizeof (x)))) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_clzll) static __always_inline unsigned int @@ -168,11 +176,15 @@ extern unsigned int stdc_trailing_zeros_ul (unsigned long int __x) __extension__ extern unsigned int stdc_trailing_zeros_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_trailing_zeros(x) \ +#if __glibc_has_builtin (__builtin_stdc_trailing_zeros) +# define stdc_trailing_zeros(x) (__builtin_stdc_trailing_zeros (x)) +#else +# define stdc_trailing_zeros(x) \ (sizeof (x) == 8 ? stdc_trailing_zeros_ull (x) \ : sizeof (x) == 4 ? stdc_trailing_zeros_ui (x) \ : sizeof (x) == 2 ? stdc_trailing_zeros_us (__pacify_uint16 (x)) \ : stdc_trailing_zeros_uc (__pacify_uint8 (x))) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_ctzll) static __always_inline unsigned int @@ -222,7 +234,11 @@ extern unsigned int stdc_trailing_ones_ul (unsigned long int __x) __extension__ extern unsigned int stdc_trailing_ones_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_trailing_ones(x) (stdc_trailing_ones_ull (x)) +#if __glibc_has_builtin (__builtin_stdc_trailing_ones) +# define stdc_trailing_ones(x) (__builtin_stdc_trailing_ones (x)) +#else +# define stdc_trailing_ones(x) (stdc_trailing_ones_ull (x)) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_ctzll) static __always_inline unsigned int @@ -272,11 +288,15 @@ extern unsigned int stdc_first_leading_zero_ul (unsigned long int __x) __extension__ extern unsigned int stdc_first_leading_zero_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_first_leading_zero(x) \ +#if __glibc_has_builtin (__builtin_stdc_first_leading_zero) +# define stdc_first_leading_zero(x) (__builtin_stdc_first_leading_zero (x)) +#else +# define stdc_first_leading_zero(x) \ (sizeof (x) == 8 ? stdc_first_leading_zero_ull (x) \ : sizeof (x) == 4 ? stdc_first_leading_zero_ui (x) \ : sizeof (x) == 2 ? stdc_first_leading_zero_us (__pacify_uint16 (x)) \ : stdc_first_leading_zero_uc (__pacify_uint8 (x))) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_clzll) static __always_inline unsigned int @@ -326,11 +346,15 @@ extern unsigned int stdc_first_leading_one_ul (unsigned long int __x) __extension__ extern unsigned int stdc_first_leading_one_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_first_leading_one(x) \ +#if __glibc_has_builtin (__builtin_stdc_first_leading_one) +# define stdc_first_leading_one(x) (__builtin_stdc_first_leading_one (x)) +#else +# define stdc_first_leading_one(x) \ (sizeof (x) == 8 ? stdc_first_leading_one_ull (x) \ : sizeof (x) == 4 ? stdc_first_leading_one_ui (x) \ : sizeof (x) == 2 ? stdc_first_leading_one_us (__pacify_uint16 (x)) \ : stdc_first_leading_one_uc (__pacify_uint8 (x))) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_clzll) static __always_inline unsigned int @@ -380,11 +404,15 @@ extern unsigned int stdc_first_trailing_zero_ul (unsigned long int __x) __extension__ extern unsigned int stdc_first_trailing_zero_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_first_trailing_zero(x) \ +#if __glibc_has_builtin (__builtin_stdc_first_trailing_zero) +# define stdc_first_trailing_zero(x) (__builtin_stdc_first_trailing_zero (x)) +#else +# define stdc_first_trailing_zero(x) \ (sizeof (x) == 8 ? stdc_first_trailing_zero_ull (x) \ : sizeof (x) == 4 ? stdc_first_trailing_zero_ui (x) \ : sizeof (x) == 2 ? stdc_first_trailing_zero_us (__pacify_uint16 (x)) \ : stdc_first_trailing_zero_uc (__pacify_uint8 (x))) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_ctzll) static __always_inline unsigned int @@ -434,11 +462,15 @@ extern unsigned int stdc_first_trailing_one_ul (unsigned long int __x) __extension__ extern unsigned int stdc_first_trailing_one_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_first_trailing_one(x) \ +#if __glibc_has_builtin (__builtin_stdc_first_trailing_one) +# define stdc_first_trailing_one(x) (__builtin_stdc_first_trailing_one (x)) +#else +# define stdc_first_trailing_one(x) \ (sizeof (x) == 8 ? stdc_first_trailing_one_ull (x) \ : sizeof (x) == 4 ? stdc_first_trailing_one_ui (x) \ : sizeof (x) == 2 ? stdc_first_trailing_one_us (__pacify_uint16 (x)) \ : stdc_first_trailing_one_uc (__pacify_uint8 (x))) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_ctzll) static __always_inline unsigned int @@ -488,9 +520,13 @@ extern unsigned int stdc_count_zeros_ul (unsigned long int __x) __extension__ extern unsigned int stdc_count_zeros_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_count_zeros(x) \ +#if __glibc_has_builtin (__builtin_stdc_count_zeros) +# define stdc_count_zeros(x) (__builtin_stdc_count_zeros (x)) +#else +# define stdc_count_zeros(x) \ (stdc_count_zeros_ull (x) \ - (unsigned int) (8 * (sizeof (0ULL) - sizeof (x)))) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_popcountll) static __always_inline unsigned int @@ -540,7 +576,11 @@ extern unsigned int stdc_count_ones_ul (unsigned long int __x) __extension__ extern unsigned int stdc_count_ones_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_count_ones(x) (stdc_count_ones_ull (x)) +#if __glibc_has_builtin (__builtin_stdc_count_ones) +# define stdc_count_ones(x) (__builtin_stdc_count_ones (x)) +#else +# define stdc_count_ones(x) (stdc_count_ones_ull (x)) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_popcountll) static __always_inline unsigned int @@ -590,10 +630,14 @@ extern bool stdc_has_single_bit_ul (unsigned long int __x) __extension__ extern bool stdc_has_single_bit_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_has_single_bit(x) \ +#if __glibc_has_builtin (__builtin_stdc_has_single_bit) +# define stdc_has_single_bit(x) (__builtin_stdc_has_single_bit (x)) +#else +# define stdc_has_single_bit(x) \ ((bool) (sizeof (x) <= sizeof (unsigned int) \ ? stdc_has_single_bit_ui (x) \ : stdc_has_single_bit_ull (x))) +#endif static __always_inline bool __hsb64_inline (uint64_t __x) @@ -641,7 +685,11 @@ extern unsigned int stdc_bit_width_ul (unsigned long int __x) __extension__ extern unsigned int stdc_bit_width_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_bit_width(x) (stdc_bit_width_ull (x)) +#if __glibc_has_builtin (__builtin_stdc_bit_width) +# define stdc_bit_width(x) (__builtin_stdc_bit_width (x)) +#else +# define stdc_bit_width(x) (stdc_bit_width_ull (x)) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_clzll) static __always_inline unsigned int @@ -691,7 +739,11 @@ extern unsigned long int stdc_bit_floor_ul (unsigned long int __x) __extension__ extern unsigned long long int stdc_bit_floor_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_bit_floor(x) ((__typeof (x)) stdc_bit_floor_ull (x)) +#if __glibc_has_builtin (__builtin_stdc_bit_floor) +# define stdc_bit_floor(x) (__builtin_stdc_bit_floor (x)) +#else +# define stdc_bit_floor(x) ((__typeof (x)) stdc_bit_floor_ull (x)) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_clzll) static __always_inline uint64_t @@ -743,7 +795,11 @@ extern unsigned long int stdc_bit_ceil_ul (unsigned long int __x) __extension__ extern unsigned long long int stdc_bit_ceil_ull (unsigned long long int __x) __THROW __attribute_const__; -#define stdc_bit_ceil(x) ((__typeof (x)) stdc_bit_ceil_ull (x)) +#if __glibc_has_builtin (__builtin_stdc_bit_ceil) +# define stdc_bit_ceil(x) (__builtin_stdc_bit_ceil (x)) +#else +# define stdc_bit_ceil(x) ((__typeof (x)) stdc_bit_ceil_ull (x)) +#endif #if __GNUC_PREREQ (3, 4) || __glibc_has_builtin (__builtin_clzll) static __always_inline uint64_t diff --git a/stdlib/tst-stdbit-builtins.c b/stdlib/tst-stdbit-builtins.c new file mode 100644 index 0000000..536841c --- /dev/null +++ b/stdlib/tst-stdbit-builtins.c @@ -0,0 +1,778 @@ +/* Test <stdbit.h> type-generic macros with compiler __builtin_stdc_* support. + Copyright (C) 2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <stdbit.h> +#include <limits.h> +#include <support/check.h> + +#if __glibc_has_builtin (__builtin_stdc_leading_zeros) \ + && __glibc_has_builtin (__builtin_stdc_leading_ones) \ + && __glibc_has_builtin (__builtin_stdc_trailing_zeros) \ + && __glibc_has_builtin (__builtin_stdc_trailing_ones) \ + && __glibc_has_builtin (__builtin_stdc_first_leading_zero) \ + && __glibc_has_builtin (__builtin_stdc_first_leading_one) \ + && __glibc_has_builtin (__builtin_stdc_first_trailing_zero) \ + && __glibc_has_builtin (__builtin_stdc_first_trailing_one) \ + && __glibc_has_builtin (__builtin_stdc_count_zeros) \ + && __glibc_has_builtin (__builtin_stdc_count_ones) \ + && __glibc_has_builtin (__builtin_stdc_has_single_bit) \ + && __glibc_has_builtin (__builtin_stdc_bit_width) \ + && __glibc_has_builtin (__builtin_stdc_bit_floor) \ + && __glibc_has_builtin (__builtin_stdc_bit_ceil) + +# if !defined (BITINT_MAXWIDTH) && defined (__BITINT_MAXWIDTH__) +# define BITINT_MAXWIDTH __BITINT_MAXWIDTH__ +# endif + +typedef unsigned char uc; +typedef unsigned short us; +typedef unsigned int ui; +typedef unsigned long int ul; +typedef unsigned long long int ull; + +# define expr_has_type(e, t) _Generic (e, default : 0, t : 1) + +static int +do_test (void) +{ + TEST_COMPARE (stdc_leading_zeros ((uc) 0), CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_leading_zeros ((uc) 0), ui), 1); + TEST_COMPARE (stdc_leading_zeros ((us) 0), sizeof (short) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_leading_zeros ((us) 0), ui), 1); + TEST_COMPARE (stdc_leading_zeros (0U), sizeof (int) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_leading_zeros (0U), ui), 1); + TEST_COMPARE (stdc_leading_zeros (0UL), sizeof (long int) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_leading_zeros (0UL), ui), 1); + TEST_COMPARE (stdc_leading_zeros (0ULL), sizeof (long long int) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_leading_zeros (0ULL), ui), 1); + TEST_COMPARE (stdc_leading_zeros ((uc) ~0U), 0); + TEST_COMPARE (stdc_leading_zeros ((us) ~0U), 0); + TEST_COMPARE (stdc_leading_zeros (~0U), 0); + TEST_COMPARE (stdc_leading_zeros (~0UL), 0); + TEST_COMPARE (stdc_leading_zeros (~0ULL), 0); + TEST_COMPARE (stdc_leading_zeros ((uc) 3), CHAR_BIT - 2); + TEST_COMPARE (stdc_leading_zeros ((us) 9), sizeof (short) * CHAR_BIT - 4); + TEST_COMPARE (stdc_leading_zeros (34U), sizeof (int) * CHAR_BIT - 6); + TEST_COMPARE (stdc_leading_zeros (130UL), sizeof (long int) * CHAR_BIT - 8); + TEST_COMPARE (stdc_leading_zeros (512ULL), + sizeof (long long int) * CHAR_BIT - 10); + TEST_COMPARE (stdc_leading_ones ((uc) 0), 0); + TEST_COMPARE (expr_has_type (stdc_leading_ones ((uc) 0), ui), 1); + TEST_COMPARE (stdc_leading_ones ((us) 0), 0); + TEST_COMPARE (expr_has_type (stdc_leading_ones ((us) 0), ui), 1); + TEST_COMPARE (stdc_leading_ones (0U), 0); + TEST_COMPARE (expr_has_type (stdc_leading_ones (0U), ui), 1); + TEST_COMPARE (stdc_leading_ones (0UL), 0); + TEST_COMPARE (expr_has_type (stdc_leading_ones (0UL), ui), 1); + TEST_COMPARE (stdc_leading_ones (0ULL), 0); + TEST_COMPARE (expr_has_type (stdc_leading_ones (0ULL), ui), 1); + TEST_COMPARE (stdc_leading_ones ((uc) ~0U), CHAR_BIT); + TEST_COMPARE (stdc_leading_ones ((us) ~0U), sizeof (short) * CHAR_BIT); + TEST_COMPARE (stdc_leading_ones (~0U), sizeof (int) * CHAR_BIT); + TEST_COMPARE (stdc_leading_ones (~0UL), sizeof (long int) * CHAR_BIT); + TEST_COMPARE (stdc_leading_ones (~0ULL), sizeof (long long int) * CHAR_BIT); + TEST_COMPARE (stdc_leading_ones ((uc) ~3), CHAR_BIT - 2); + TEST_COMPARE (stdc_leading_ones ((us) ~9), sizeof (short) * CHAR_BIT - 4); + TEST_COMPARE (stdc_leading_ones (~34U), sizeof (int) * CHAR_BIT - 6); + TEST_COMPARE (stdc_leading_ones (~130UL), sizeof (long int) * CHAR_BIT - 8); + TEST_COMPARE (stdc_leading_ones (~512ULL), + sizeof (long long int) * CHAR_BIT - 10); + TEST_COMPARE (stdc_trailing_zeros ((uc) 0), CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros ((uc) 0), ui), 1); + TEST_COMPARE (stdc_trailing_zeros ((us) 0), sizeof (short) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros ((us) 0), ui), 1); + TEST_COMPARE (stdc_trailing_zeros (0U), sizeof (int) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros (0U), ui), 1); + TEST_COMPARE (stdc_trailing_zeros (0UL), sizeof (long int) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros (0UL), ui), 1); + TEST_COMPARE (stdc_trailing_zeros (0ULL), sizeof (long long int) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros (0ULL), ui), 1); + TEST_COMPARE (stdc_trailing_zeros ((uc) ~0U), 0); + TEST_COMPARE (stdc_trailing_zeros ((us) ~0U), 0); + TEST_COMPARE (stdc_trailing_zeros (~0U), 0); + TEST_COMPARE (stdc_trailing_zeros (~0UL), 0); + TEST_COMPARE (stdc_trailing_zeros (~0ULL), 0); + TEST_COMPARE (stdc_trailing_zeros ((uc) 2), 1); + TEST_COMPARE (stdc_trailing_zeros ((us) 24), 3); + TEST_COMPARE (stdc_trailing_zeros (32U), 5); + TEST_COMPARE (stdc_trailing_zeros (128UL), 7); + TEST_COMPARE (stdc_trailing_zeros (512ULL), 9); + TEST_COMPARE (stdc_trailing_ones ((uc) 0), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_ones ((uc) 0), ui), 1); + TEST_COMPARE (stdc_trailing_ones ((us) 0), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_ones ((us) 0), ui), 1); + TEST_COMPARE (stdc_trailing_ones (0U), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_ones (0U), ui), 1); + TEST_COMPARE (stdc_trailing_ones (0UL), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_ones (0UL), ui), 1); + TEST_COMPARE (stdc_trailing_ones (0ULL), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_ones (0ULL), ui), 1); + TEST_COMPARE (stdc_trailing_ones ((uc) ~0U), CHAR_BIT); + TEST_COMPARE (stdc_trailing_ones ((us) ~0U), sizeof (short) * CHAR_BIT); + TEST_COMPARE (stdc_trailing_ones (~0U), sizeof (int) * CHAR_BIT); + TEST_COMPARE (stdc_trailing_ones (~0UL), sizeof (long int) * CHAR_BIT); + TEST_COMPARE (stdc_trailing_ones (~0ULL), sizeof (long long int) * CHAR_BIT); + TEST_COMPARE (stdc_trailing_ones ((uc) 5), 1); + TEST_COMPARE (stdc_trailing_ones ((us) 15), 4); + TEST_COMPARE (stdc_trailing_ones (127U), 7); + TEST_COMPARE (stdc_trailing_ones (511UL), 9); + TEST_COMPARE (stdc_trailing_ones (~0ULL >> 2), + sizeof (long long int) * CHAR_BIT - 2); + TEST_COMPARE (stdc_first_leading_zero ((uc) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero ((uc) 0), ui), 1); + TEST_COMPARE (stdc_first_leading_zero ((us) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero ((us) 0), ui), 1); + TEST_COMPARE (stdc_first_leading_zero (0U), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero (0U), ui), 1); + TEST_COMPARE (stdc_first_leading_zero (0UL), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero (0UL), ui), 1); + TEST_COMPARE (stdc_first_leading_zero (0ULL), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero (0ULL), ui), 1); + TEST_COMPARE (stdc_first_leading_zero ((uc) ~0U), 0); + TEST_COMPARE (stdc_first_leading_zero ((us) ~0U), 0); + TEST_COMPARE (stdc_first_leading_zero (~0U), 0); + TEST_COMPARE (stdc_first_leading_zero (~0UL), 0); + TEST_COMPARE (stdc_first_leading_zero (~0ULL), 0); + TEST_COMPARE (stdc_first_leading_zero ((uc) ~3U), CHAR_BIT - 1); + TEST_COMPARE (stdc_first_leading_zero ((us) ~15U), + sizeof (short) * CHAR_BIT - 3); + TEST_COMPARE (stdc_first_leading_zero (~63U), sizeof (int) * CHAR_BIT - 5); + TEST_COMPARE (stdc_first_leading_zero (~255UL), + sizeof (long int) * CHAR_BIT - 7); + TEST_COMPARE (stdc_first_leading_zero (~1023ULL), + sizeof (long long int) * CHAR_BIT - 9); + TEST_COMPARE (stdc_first_leading_one ((uc) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_one ((uc) 0), ui), 1); + TEST_COMPARE (stdc_first_leading_one ((us) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_one ((us) 0), ui), 1); + TEST_COMPARE (stdc_first_leading_one (0U), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_one (0U), ui), 1); + TEST_COMPARE (stdc_first_leading_one (0UL), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_one (0UL), ui), 1); + TEST_COMPARE (stdc_first_leading_one (0ULL), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_one (0ULL), ui), 1); + TEST_COMPARE (stdc_first_leading_one ((uc) ~0U), 1); + TEST_COMPARE (stdc_first_leading_one ((us) ~0U), 1); + TEST_COMPARE (stdc_first_leading_one (~0U), 1); + TEST_COMPARE (stdc_first_leading_one (~0UL), 1); + TEST_COMPARE (stdc_first_leading_one (~0ULL), 1); + TEST_COMPARE (stdc_first_leading_one ((uc) 3), CHAR_BIT - 1); + TEST_COMPARE (stdc_first_leading_one ((us) 9), + sizeof (short) * CHAR_BIT - 3); + TEST_COMPARE (stdc_first_leading_one (34U), sizeof (int) * CHAR_BIT - 5); + TEST_COMPARE (stdc_first_leading_one (130UL), + sizeof (long int) * CHAR_BIT - 7); + TEST_COMPARE (stdc_first_leading_one (512ULL), + sizeof (long long int) * CHAR_BIT - 9); + TEST_COMPARE (stdc_first_trailing_zero ((uc) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero ((uc) 0), ui), 1); + TEST_COMPARE (stdc_first_trailing_zero ((us) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero ((us) 0), ui), 1); + TEST_COMPARE (stdc_first_trailing_zero (0U), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero (0U), ui), 1); + TEST_COMPARE (stdc_first_trailing_zero (0UL), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero (0UL), ui), 1); + TEST_COMPARE (stdc_first_trailing_zero (0ULL), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero (0ULL), ui), 1); + TEST_COMPARE (stdc_first_trailing_zero ((uc) ~0U), 0); + TEST_COMPARE (stdc_first_trailing_zero ((us) ~0U), 0); + TEST_COMPARE (stdc_first_trailing_zero (~0U), 0); + TEST_COMPARE (stdc_first_trailing_zero (~0UL), 0); + TEST_COMPARE (stdc_first_trailing_zero (~0ULL), 0); + TEST_COMPARE (stdc_first_trailing_zero ((uc) 2), 1); + TEST_COMPARE (stdc_first_trailing_zero ((us) 15), 5); + TEST_COMPARE (stdc_first_trailing_zero (63U), 7); + TEST_COMPARE (stdc_first_trailing_zero (128UL), 1); + TEST_COMPARE (stdc_first_trailing_zero (511ULL), 10); + TEST_COMPARE (stdc_first_trailing_one ((uc) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one ((uc) 0), ui), 1); + TEST_COMPARE (stdc_first_trailing_one ((us) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one ((us) 0), ui), 1); + TEST_COMPARE (stdc_first_trailing_one (0U), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one (0U), ui), 1); + TEST_COMPARE (stdc_first_trailing_one (0UL), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one (0UL), ui), 1); + TEST_COMPARE (stdc_first_trailing_one (0ULL), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one (0ULL), ui), 1); + TEST_COMPARE (stdc_first_trailing_one ((uc) ~0U), 1); + TEST_COMPARE (stdc_first_trailing_one ((us) ~0U), 1); + TEST_COMPARE (stdc_first_trailing_one (~0U), 1); + TEST_COMPARE (stdc_first_trailing_one (~0UL), 1); + TEST_COMPARE (stdc_first_trailing_one (~0ULL), 1); + TEST_COMPARE (stdc_first_trailing_one ((uc) 4), 3); + TEST_COMPARE (stdc_first_trailing_one ((us) 96), 6); + TEST_COMPARE (stdc_first_trailing_one (127U), 1); + TEST_COMPARE (stdc_first_trailing_one (511UL), 1); + TEST_COMPARE (stdc_first_trailing_one (~0ULL << 12), 13); + TEST_COMPARE (stdc_count_zeros ((uc) 0), CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_count_zeros ((uc) 0), ui), 1); + TEST_COMPARE (stdc_count_zeros ((us) 0), sizeof (short) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_count_zeros ((us) 0), ui), 1); + TEST_COMPARE (stdc_count_zeros (0U), sizeof (int) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_count_zeros (0U), ui), 1); + TEST_COMPARE (stdc_count_zeros (0UL), sizeof (long int) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_count_zeros (0UL), ui), 1); + TEST_COMPARE (stdc_count_zeros (0ULL), sizeof (long long int) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_count_zeros (0ULL), ui), 1); + TEST_COMPARE (stdc_count_zeros ((uc) ~0U), 0); + TEST_COMPARE (stdc_count_zeros ((us) ~0U), 0); + TEST_COMPARE (stdc_count_zeros (~0U), 0); + TEST_COMPARE (stdc_count_zeros (~0UL), 0); + TEST_COMPARE (stdc_count_zeros (~0ULL), 0); + TEST_COMPARE (stdc_count_zeros ((uc) 1U), CHAR_BIT - 1); + TEST_COMPARE (stdc_count_zeros ((us) 42), sizeof (short) * CHAR_BIT - 3); + TEST_COMPARE (stdc_count_zeros (291U), sizeof (int) * CHAR_BIT - 4); + TEST_COMPARE (stdc_count_zeros (~1315UL), 5); + TEST_COMPARE (stdc_count_zeros (3363ULL), + sizeof (long long int) * CHAR_BIT - 6); + TEST_COMPARE (stdc_count_ones ((uc) 0), 0); + TEST_COMPARE (expr_has_type (stdc_count_ones ((uc) 0), ui), 1); + TEST_COMPARE (stdc_count_ones ((us) 0), 0); + TEST_COMPARE (expr_has_type (stdc_count_ones ((us) 0), ui), 1); + TEST_COMPARE (stdc_count_ones (0U), 0); + TEST_COMPARE (expr_has_type (stdc_count_ones (0U), ui), 1); + TEST_COMPARE (stdc_count_ones (0UL), 0); + TEST_COMPARE (expr_has_type (stdc_count_ones (0UL), ui), 1); + TEST_COMPARE (stdc_count_ones (0ULL), 0); + TEST_COMPARE (expr_has_type (stdc_count_ones (0ULL), ui), 1); + TEST_COMPARE (stdc_count_ones ((uc) ~0U), CHAR_BIT); + TEST_COMPARE (stdc_count_ones ((us) ~0U), sizeof (short) * CHAR_BIT); + TEST_COMPARE (stdc_count_ones (~0U), sizeof (int) * CHAR_BIT); + TEST_COMPARE (stdc_count_ones (~0UL), sizeof (long int) * CHAR_BIT); + TEST_COMPARE (stdc_count_ones (~0ULL), sizeof (long long int) * CHAR_BIT); + TEST_COMPARE (stdc_count_ones ((uc) ~1U), CHAR_BIT - 1); + TEST_COMPARE (stdc_count_ones ((us) ~42), sizeof (short) * CHAR_BIT - 3); + TEST_COMPARE (stdc_count_ones (~291U), sizeof (int) * CHAR_BIT - 4); + TEST_COMPARE (stdc_count_ones (1315UL), 5); + TEST_COMPARE (stdc_count_ones (~3363ULL), + sizeof (long long int) * CHAR_BIT - 6); + TEST_COMPARE (stdc_has_single_bit ((uc) 0), 0); + TEST_COMPARE (expr_has_type (stdc_has_single_bit ((uc) 0), _Bool), 1); + TEST_COMPARE (stdc_has_single_bit ((us) 0), 0); + TEST_COMPARE (expr_has_type (stdc_has_single_bit ((us) 0), _Bool), 1); + TEST_COMPARE (stdc_has_single_bit (0U), 0); + TEST_COMPARE (expr_has_type (stdc_has_single_bit (0U), _Bool), 1); + TEST_COMPARE (stdc_has_single_bit (0UL), 0); + TEST_COMPARE (expr_has_type (stdc_has_single_bit (0UL), _Bool), 1); + TEST_COMPARE (stdc_has_single_bit (0ULL), 0); + TEST_COMPARE (expr_has_type (stdc_has_single_bit (0ULL), _Bool), 1); + TEST_COMPARE (stdc_has_single_bit ((uc) 2), 1); + TEST_COMPARE (stdc_has_single_bit ((us) 8), 1); + TEST_COMPARE (stdc_has_single_bit (32U), 1); + TEST_COMPARE (stdc_has_single_bit (128UL), 1); + TEST_COMPARE (stdc_has_single_bit (512ULL), 1); + TEST_COMPARE (stdc_has_single_bit ((uc) 7), 0); + TEST_COMPARE (stdc_has_single_bit ((us) 96), 0); + TEST_COMPARE (stdc_has_single_bit (513U), 0); + TEST_COMPARE (stdc_has_single_bit (1022UL), 0); + TEST_COMPARE (stdc_has_single_bit (12ULL), 0); + TEST_COMPARE (stdc_bit_width ((uc) 0), 0); + TEST_COMPARE (expr_has_type (stdc_bit_width ((uc) 0), ui), 1); + TEST_COMPARE (stdc_bit_width ((us) 0), 0); + TEST_COMPARE (expr_has_type (stdc_bit_width ((us) 0), ui), 1); + TEST_COMPARE (stdc_bit_width (0U), 0); + TEST_COMPARE (expr_has_type (stdc_bit_width (0U), ui), 1); + TEST_COMPARE (stdc_bit_width (0UL), 0); + TEST_COMPARE (expr_has_type (stdc_bit_width (0UL), ui), 1); + TEST_COMPARE (stdc_bit_width (0ULL), 0); + TEST_COMPARE (expr_has_type (stdc_bit_width (0ULL), ui), 1); + TEST_COMPARE (stdc_bit_width ((uc) ~0U), CHAR_BIT); + TEST_COMPARE (stdc_bit_width ((us) ~0U), sizeof (short) * CHAR_BIT); + TEST_COMPARE (stdc_bit_width (~0U), sizeof (int) * CHAR_BIT); + TEST_COMPARE (stdc_bit_width (~0UL), sizeof (long int) * CHAR_BIT); + TEST_COMPARE (stdc_bit_width (~0ULL), sizeof (long long int) * CHAR_BIT); + TEST_COMPARE (stdc_bit_width ((uc) ((uc) ~0U >> 1)), CHAR_BIT - 1); + TEST_COMPARE (stdc_bit_width ((uc) 6), 3); + TEST_COMPARE (stdc_bit_width ((us) 12U), 4); + TEST_COMPARE (stdc_bit_width ((us) ((us) ~0U >> 5)), + sizeof (short) * CHAR_BIT - 5); + TEST_COMPARE (stdc_bit_width (137U), 8); + TEST_COMPARE (stdc_bit_width (269U), 9); + TEST_COMPARE (stdc_bit_width (39UL), 6); + TEST_COMPARE (stdc_bit_width (~0UL >> 2), sizeof (long int) * CHAR_BIT - 2); + TEST_COMPARE (stdc_bit_width (1023ULL), 10); + TEST_COMPARE (stdc_bit_width (1024ULL), 11); + TEST_COMPARE (stdc_bit_floor ((uc) 0), 0); + TEST_COMPARE (expr_has_type (stdc_bit_floor ((uc) 0), uc), 1); + TEST_COMPARE (stdc_bit_floor ((us) 0), 0); + TEST_COMPARE (expr_has_type (stdc_bit_floor ((us) 0), us), 1); + TEST_COMPARE (stdc_bit_floor (0U), 0U); + TEST_COMPARE (expr_has_type (stdc_bit_floor (0U), ui), 1); + TEST_COMPARE (stdc_bit_floor (0UL), 0UL); + TEST_COMPARE (expr_has_type (stdc_bit_floor (0UL), ul), 1); + TEST_COMPARE (stdc_bit_floor (0ULL), 0ULL); + TEST_COMPARE (expr_has_type (stdc_bit_floor (0ULL), ull), 1); + TEST_COMPARE (stdc_bit_floor ((uc) ~0U), (1U << (CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_floor ((us) ~0U), + (1U << (sizeof (short) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_floor (~0U), (1U << (sizeof (int) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_floor (~0UL), + (1UL << (sizeof (long int) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_floor (~0ULL), + (1ULL << (sizeof (long long int) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_floor ((uc) 4), 4); + TEST_COMPARE (stdc_bit_floor ((uc) 7), 4); + TEST_COMPARE (stdc_bit_floor ((us) 8U), 8); + TEST_COMPARE (stdc_bit_floor ((us) 31U), 16); + TEST_COMPARE (stdc_bit_floor (137U), 128U); + TEST_COMPARE (stdc_bit_floor (269U), 256U); + TEST_COMPARE (stdc_bit_floor (511UL), 256UL); + TEST_COMPARE (stdc_bit_floor (512UL), 512UL); + TEST_COMPARE (stdc_bit_floor (513UL), 512ULL); + TEST_COMPARE (stdc_bit_floor (1024ULL), 1024ULL); + TEST_COMPARE (stdc_bit_ceil ((uc) 0), 1); + TEST_COMPARE (expr_has_type (stdc_bit_ceil ((uc) 0), uc), 1); + TEST_COMPARE (stdc_bit_ceil ((us) 0), 1); + TEST_COMPARE (expr_has_type (stdc_bit_ceil ((us) 0), us), 1); + TEST_COMPARE (stdc_bit_ceil (0U), 1U); + TEST_COMPARE (expr_has_type (stdc_bit_ceil (0U), ui), 1); + TEST_COMPARE (stdc_bit_ceil (0UL), 1UL); + TEST_COMPARE (expr_has_type (stdc_bit_ceil (0UL), ul), 1); + TEST_COMPARE (stdc_bit_ceil (0ULL), 1ULL); + TEST_COMPARE (expr_has_type (stdc_bit_ceil (0ULL), ull), 1); + TEST_COMPARE (stdc_bit_ceil ((uc) ~0U), 0); + TEST_COMPARE (stdc_bit_ceil ((us) ~0U), 0); + TEST_COMPARE (stdc_bit_ceil (~0U), 0U); + TEST_COMPARE (stdc_bit_ceil (~0UL), 0UL); + TEST_COMPARE (stdc_bit_ceil (~0ULL), 0ULL); + TEST_COMPARE (stdc_bit_ceil ((uc) ((uc) ~0U >> 1)), (1U << (CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil ((uc) ((uc) ~0U >> 1)), (1U << (CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil ((us) ((us) ~0U >> 1)), + (1U << (sizeof (short) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil ((us) ((us) ~0U >> 1)), + (1U << (sizeof (short) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil (~0U >> 1), + (1U << (sizeof (int) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil (1U << (sizeof (int) * CHAR_BIT - 1)), + (1U << (sizeof (int) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil (~0UL >> 1), + (1UL << (sizeof (long int) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil (~0UL >> 1), + (1UL << (sizeof (long int) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil (1ULL + << (sizeof (long long int) * CHAR_BIT - 1)), + (1ULL << (sizeof (long long int) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil (~0ULL >> 1), + (1ULL << (sizeof (long long int) * CHAR_BIT - 1))); + TEST_COMPARE (stdc_bit_ceil ((uc) 1), 1); + TEST_COMPARE (stdc_bit_ceil ((uc) 2), 2); + TEST_COMPARE (stdc_bit_ceil ((us) 3U), 4); + TEST_COMPARE (stdc_bit_ceil ((us) 4U), 4); + TEST_COMPARE (stdc_bit_ceil (5U), 8U); + TEST_COMPARE (stdc_bit_ceil (269U), 512U); + TEST_COMPARE (stdc_bit_ceil (511UL), 512UL); + TEST_COMPARE (stdc_bit_ceil (512UL), 512UL); + TEST_COMPARE (stdc_bit_ceil (513ULL), 1024ULL); + TEST_COMPARE (stdc_bit_ceil (1025ULL), 2048ULL); +# ifdef __SIZEOF_INT128__ + TEST_COMPARE (stdc_leading_zeros ((unsigned __int128) 0), + sizeof (__int128) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_leading_zeros ((unsigned __int128) 0), ui), + 1); + TEST_COMPARE (stdc_leading_zeros (~(unsigned __int128) 0), 0); + TEST_COMPARE (stdc_leading_ones ((unsigned __int128) 0), 0); + TEST_COMPARE (expr_has_type (stdc_leading_ones ((unsigned __int128) 0), ui), + 1); + TEST_COMPARE (stdc_leading_ones (~(unsigned __int128) 0), + sizeof (__int128) * CHAR_BIT); + TEST_COMPARE (stdc_trailing_zeros ((unsigned __int128) 0), + sizeof (__int128) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros ((unsigned __int128) 0), + ui), 1); + TEST_COMPARE (stdc_trailing_zeros (~(unsigned __int128) 0), 0); + TEST_COMPARE (stdc_trailing_ones ((unsigned __int128) 0), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_ones ((unsigned __int128) 0), ui), + 1); + TEST_COMPARE (stdc_trailing_ones (~(unsigned __int128) 0), + sizeof (__int128) * CHAR_BIT); + TEST_COMPARE (stdc_first_leading_zero ((unsigned __int128) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero ((unsigned __int128) 0), + ui), 1); + TEST_COMPARE (stdc_first_leading_zero (~(unsigned __int128) 0), 0); + TEST_COMPARE (stdc_first_leading_one ((unsigned __int128) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_one ((unsigned __int128) 0), + ui), 1); + TEST_COMPARE (stdc_first_leading_one (~(unsigned __int128) 0), 1); + TEST_COMPARE (stdc_first_trailing_zero ((unsigned __int128) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero ((unsigned __int128) + 0), ui), 1); + TEST_COMPARE (stdc_first_trailing_zero (~(unsigned __int128) 0), 0); + TEST_COMPARE (stdc_first_trailing_one ((unsigned __int128) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one ((unsigned __int128) 0), + ui), 1); + TEST_COMPARE (stdc_first_trailing_one (~(unsigned __int128) 0), 1); + TEST_COMPARE (stdc_count_zeros ((unsigned __int128) 0), + sizeof (__int128) * CHAR_BIT); + TEST_COMPARE (expr_has_type (stdc_count_zeros ((unsigned __int128) 0), ui), + 1); + TEST_COMPARE (stdc_count_zeros (~(unsigned __int128) 0), 0); + TEST_COMPARE (stdc_count_ones ((unsigned __int128) 0), 0); + TEST_COMPARE (expr_has_type (stdc_count_ones ((unsigned __int128) 0), ui), + 1); + TEST_COMPARE (stdc_count_ones (~(unsigned __int128) 0), + sizeof (__int128) * CHAR_BIT); + TEST_COMPARE (stdc_has_single_bit ((unsigned __int128) 0), 0); + TEST_COMPARE (expr_has_type (stdc_has_single_bit ((unsigned __int128) 0), + _Bool), 1); + TEST_COMPARE (stdc_has_single_bit (~(unsigned __int128) 0), 0); + TEST_COMPARE (stdc_bit_width ((unsigned __int128) 0), 0); + TEST_COMPARE (expr_has_type (stdc_bit_width ((unsigned __int128) 0), ui), 1); + TEST_COMPARE (stdc_bit_width (~(unsigned __int128) 0), + sizeof (__int128) * CHAR_BIT); + TEST_COMPARE (stdc_bit_floor ((unsigned __int128) 0) != 0, 0); + TEST_COMPARE (expr_has_type (stdc_bit_floor ((unsigned __int128) 0), + unsigned __int128), 1); + TEST_COMPARE (stdc_bit_floor (~(unsigned __int128) 0) + != ((unsigned __int128) 1) << (sizeof (__int128) + * CHAR_BIT - 1), 0); + TEST_COMPARE (stdc_bit_ceil ((unsigned __int128) 0) != 1, 0); + TEST_COMPARE (expr_has_type (stdc_bit_ceil ((unsigned __int128) 0), + unsigned __int128), 1); + TEST_COMPARE (stdc_bit_ceil ((unsigned __int128) 1) != 1, 0); + TEST_COMPARE (stdc_bit_ceil ((~(unsigned __int128) 0) >> 1) + != ((unsigned __int128) 1) << (sizeof (__int128) + * CHAR_BIT - 1), 0); + TEST_COMPARE (stdc_bit_ceil (~(unsigned __int128) 0) != 0, 0); +# endif + uc a = 0; + TEST_COMPARE (stdc_bit_width (a++), 0); + TEST_COMPARE (a, 1); + ull b = 0; + TEST_COMPARE (stdc_bit_width (b++), 0); + TEST_COMPARE (b, 1); + TEST_COMPARE (stdc_bit_floor (a++), 1); + TEST_COMPARE (a, 2); + TEST_COMPARE (stdc_bit_floor (b++), 1); + TEST_COMPARE (b, 2); + TEST_COMPARE (stdc_bit_ceil (a++), 2); + TEST_COMPARE (a, 3); + TEST_COMPARE (stdc_bit_ceil (b++), 2); + TEST_COMPARE (b, 3); + TEST_COMPARE (stdc_leading_zeros (a++), CHAR_BIT - 2); + TEST_COMPARE (a, 4); + TEST_COMPARE (stdc_leading_zeros (b++), + sizeof (long long int) * CHAR_BIT - 2); + TEST_COMPARE (b, 4); + TEST_COMPARE (stdc_leading_ones (a++), 0); + TEST_COMPARE (a, 5); + TEST_COMPARE (stdc_leading_ones (b++), 0); + TEST_COMPARE (b, 5); + TEST_COMPARE (stdc_trailing_zeros (a++), 0); + TEST_COMPARE (a, 6); + TEST_COMPARE (stdc_trailing_zeros (b++), 0); + TEST_COMPARE (b, 6); + TEST_COMPARE (stdc_trailing_ones (a++), 0); + TEST_COMPARE (a, 7); + TEST_COMPARE (stdc_trailing_ones (b++), 0); + TEST_COMPARE (b, 7); + TEST_COMPARE (stdc_first_leading_zero (a++), 1); + TEST_COMPARE (a, 8); + TEST_COMPARE (stdc_first_leading_zero (b++), 1); + TEST_COMPARE (b, 8); + TEST_COMPARE (stdc_first_leading_one (a++), CHAR_BIT - 3); + TEST_COMPARE (a, 9); + TEST_COMPARE (stdc_first_leading_one (b++), + sizeof (long long int) * CHAR_BIT - 3); + TEST_COMPARE (b, 9); + TEST_COMPARE (stdc_first_trailing_zero (a++), 2); + TEST_COMPARE (a, 10); + TEST_COMPARE (stdc_first_trailing_zero (b++), 2); + TEST_COMPARE (b, 10); + TEST_COMPARE (stdc_first_trailing_one (a++), 2); + TEST_COMPARE (a, 11); + TEST_COMPARE (stdc_first_trailing_one (b++), 2); + TEST_COMPARE (b, 11); + TEST_COMPARE (stdc_count_zeros (a++), CHAR_BIT - 3); + TEST_COMPARE (a, 12); + TEST_COMPARE (stdc_count_zeros (b++), + sizeof (long long int) * CHAR_BIT - 3); + TEST_COMPARE (b, 12); + TEST_COMPARE (stdc_count_ones (a++), 2); + TEST_COMPARE (a, 13); + TEST_COMPARE (stdc_count_ones (b++), 2); + TEST_COMPARE (b, 13); + TEST_COMPARE (stdc_has_single_bit (a++), 0); + TEST_COMPARE (a, 14); + TEST_COMPARE (stdc_has_single_bit (b++), 0); + TEST_COMPARE (b, 14); +# ifdef BITINT_MAXWIDTH +# if BITINT_MAXWIDTH >= 64 + TEST_COMPARE (stdc_leading_zeros (0uwb), 1); + TEST_COMPARE (expr_has_type (stdc_leading_zeros (0uwb), ui), 1); + TEST_COMPARE (stdc_leading_zeros (1uwb), 0); + TEST_COMPARE (expr_has_type (stdc_leading_zeros (1uwb), ui), 1); + TEST_COMPARE (stdc_leading_ones (0uwb), 0); + TEST_COMPARE (expr_has_type (stdc_leading_ones (0uwb), ui), 1); + TEST_COMPARE (stdc_leading_ones (1uwb), 1); + TEST_COMPARE (expr_has_type (stdc_leading_ones (1uwb), ui), 1); + TEST_COMPARE (stdc_trailing_zeros (0uwb), 1); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros (0uwb), ui), 1); + TEST_COMPARE (stdc_trailing_zeros (1uwb), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros (1uwb), ui), 1); + TEST_COMPARE (stdc_trailing_ones (0uwb), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_ones (0uwb), ui), 1); + TEST_COMPARE (stdc_trailing_ones (1uwb), 1); + TEST_COMPARE (expr_has_type (stdc_trailing_ones (1uwb), ui), 1); + TEST_COMPARE (stdc_first_leading_zero (0uwb), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero (0uwb), ui), 1); + TEST_COMPARE (stdc_first_leading_zero (1uwb), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero (1uwb), ui), 1); + TEST_COMPARE (stdc_first_leading_one (0uwb), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_one (0uwb), ui), 1); + TEST_COMPARE (stdc_first_leading_one (1uwb), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_one (1uwb), ui), 1); + TEST_COMPARE (stdc_first_trailing_zero (0uwb), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero (0uwb), ui), 1); + TEST_COMPARE (stdc_first_trailing_zero (1uwb), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero (1uwb), ui), 1); + TEST_COMPARE (stdc_first_trailing_one (0uwb), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one (0uwb), ui), 1); + TEST_COMPARE (stdc_first_trailing_one (1uwb), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one (1uwb), ui), 1); + TEST_COMPARE (stdc_count_zeros (0uwb), 1); + TEST_COMPARE (expr_has_type (stdc_count_zeros (0uwb), ui), 1); + TEST_COMPARE (stdc_count_zeros (1uwb), 0); + TEST_COMPARE (expr_has_type (stdc_count_zeros (1uwb), ui), 1); + TEST_COMPARE (stdc_count_ones (0uwb), 0); + TEST_COMPARE (expr_has_type (stdc_count_ones (0uwb), ui), 1); + TEST_COMPARE (stdc_count_ones (1uwb), 1); + TEST_COMPARE (expr_has_type (stdc_count_ones (1uwb), ui), 1); + TEST_COMPARE (stdc_has_single_bit (0uwb), 0); + TEST_COMPARE (expr_has_type (stdc_has_single_bit (0uwb), _Bool), 1); + TEST_COMPARE (stdc_has_single_bit (1uwb), 1); + TEST_COMPARE (expr_has_type (stdc_has_single_bit (1uwb), _Bool), 1); + TEST_COMPARE (stdc_bit_width (0uwb), 0); + TEST_COMPARE (expr_has_type (stdc_bit_width (0uwb), ui), 1); + TEST_COMPARE (stdc_bit_width (1uwb), 1); + TEST_COMPARE (expr_has_type (stdc_bit_width (1uwb), ui), 1); + TEST_COMPARE (stdc_bit_floor (0uwb), 0); + TEST_COMPARE (expr_has_type (stdc_bit_floor (0uwb), unsigned _BitInt(1)), 1); + TEST_COMPARE (stdc_bit_floor (1uwb), 1); + TEST_COMPARE (expr_has_type (stdc_bit_floor (1uwb), unsigned _BitInt(1)), 1); + TEST_COMPARE (stdc_bit_ceil (0uwb), 1); + TEST_COMPARE (expr_has_type (stdc_bit_ceil (0uwb), unsigned _BitInt(1)), 1); + TEST_COMPARE (stdc_bit_ceil (1uwb), 1); + TEST_COMPARE (expr_has_type (stdc_bit_ceil (1uwb), unsigned _BitInt(1)), 1); + unsigned _BitInt(1) c = 0; + TEST_COMPARE (stdc_bit_floor (c++), 0); + TEST_COMPARE (c, 1); + TEST_COMPARE (stdc_bit_floor (c++), 1); + TEST_COMPARE (c, 0); + TEST_COMPARE (stdc_bit_ceil (c++), 1); + TEST_COMPARE (c, 1); + TEST_COMPARE (stdc_bit_ceil (c++), 1); + TEST_COMPARE (c, 0); +# endif +# if BITINT_MAXWIDTH >= 512 + TEST_COMPARE (stdc_leading_zeros ((unsigned _BitInt(512)) 0), 512); + TEST_COMPARE (expr_has_type (stdc_leading_zeros ((unsigned _BitInt(512)) 0), + ui), 1); + TEST_COMPARE (stdc_leading_zeros ((unsigned _BitInt(373)) 0), 373); + TEST_COMPARE (expr_has_type (stdc_leading_zeros ((unsigned _BitInt(373)) 0), + ui), 1); + TEST_COMPARE (stdc_leading_zeros (~(unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (stdc_leading_zeros (~(unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (stdc_leading_zeros ((unsigned _BitInt(512)) 275), 512 - 9); + TEST_COMPARE (stdc_leading_zeros ((unsigned _BitInt(373)) 512), 373 - 10); + TEST_COMPARE (stdc_leading_ones ((unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_leading_ones ((unsigned _BitInt(512)) 0), + ui), 1); + TEST_COMPARE (stdc_leading_ones ((unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_leading_ones ((unsigned _BitInt(373)) 0), + ui), 1); + TEST_COMPARE (stdc_leading_ones (~(unsigned _BitInt(512)) 0), 512); + TEST_COMPARE (stdc_leading_ones (~(unsigned _BitInt(373)) 0), 373); + TEST_COMPARE (stdc_leading_ones (~(unsigned _BitInt(512)) 275), 512 - 9); + TEST_COMPARE (stdc_leading_ones (~(unsigned _BitInt(373)) 512), 373 - 10); + TEST_COMPARE (stdc_trailing_zeros ((unsigned _BitInt(512)) 0), 512); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros ((unsigned _BitInt(512)) 0), + ui), 1); + TEST_COMPARE (stdc_trailing_zeros ((unsigned _BitInt(373)) 0), 373); + TEST_COMPARE (expr_has_type (stdc_trailing_zeros ((unsigned _BitInt(373)) 0), + ui), 1); + TEST_COMPARE (stdc_trailing_zeros (~(unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (stdc_trailing_zeros (~(unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (stdc_trailing_zeros ((unsigned _BitInt(512)) 256), 8); + TEST_COMPARE (stdc_trailing_zeros ((unsigned _BitInt(373)) 512), 9); + TEST_COMPARE (stdc_trailing_ones ((unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_ones ((unsigned _BitInt(512)) 0), + ui), 1); + TEST_COMPARE (stdc_trailing_ones ((unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_trailing_ones ((unsigned _BitInt(373)) 0), + ui), 1); + TEST_COMPARE (stdc_trailing_ones (~(unsigned _BitInt(512)) 0), 512); + TEST_COMPARE (stdc_trailing_ones (~(unsigned _BitInt(373)) 0), 373); + TEST_COMPARE (stdc_trailing_ones ((unsigned _BitInt(512)) 255), 8); + TEST_COMPARE (stdc_trailing_ones ((~(unsigned _BitInt(373)) 0) >> 2), + 373 - 2); + TEST_COMPARE (stdc_first_leading_zero ((unsigned _BitInt(512)) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero ((unsigned _BitInt(512)) + 0), ui), 1); + TEST_COMPARE (stdc_first_leading_zero ((unsigned _BitInt(373)) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_leading_zero ((unsigned _BitInt(373)) + 0), ui), 1); + TEST_COMPARE (stdc_first_leading_zero (~(unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (stdc_first_leading_zero (~(unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (stdc_first_leading_zero (~(unsigned _BitInt(512)) 511), + 512 - 8); + TEST_COMPARE (stdc_first_leading_zero (~(unsigned _BitInt(373)) 1023), + 373 - 9); + TEST_COMPARE (stdc_first_leading_one ((unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_one ((unsigned _BitInt(512)) + 0), ui), 1); + TEST_COMPARE (stdc_first_leading_one ((unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_leading_one ((unsigned _BitInt(373)) + 0), ui), 1); + TEST_COMPARE (stdc_first_leading_one (~(unsigned _BitInt(512)) 0), 1); + TEST_COMPARE (stdc_first_leading_one (~(unsigned _BitInt(373)) 0), 1); + TEST_COMPARE (stdc_first_leading_one ((unsigned _BitInt(512)) 275), 512 - 8); + TEST_COMPARE (stdc_first_leading_one ((unsigned _BitInt(373)) 512), 373 - 9); + TEST_COMPARE (stdc_first_trailing_zero ((unsigned _BitInt(512)) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero ((unsigned + _BitInt(512)) 0), + ui), 1); + TEST_COMPARE (stdc_first_trailing_zero ((unsigned _BitInt(373)) 0), 1); + TEST_COMPARE (expr_has_type (stdc_first_trailing_zero ((unsigned + _BitInt(373)) 0), + ui), 1); + TEST_COMPARE (stdc_first_trailing_zero (~(unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (stdc_first_trailing_zero (~(unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (stdc_first_trailing_zero ((unsigned _BitInt(512)) 255), 9); + TEST_COMPARE (stdc_first_trailing_zero ((unsigned _BitInt(373)) 511), 10); + TEST_COMPARE (stdc_first_trailing_one ((unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one ((unsigned _BitInt(512)) + 0), ui), 1); + TEST_COMPARE (stdc_first_trailing_one ((unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_first_trailing_one ((unsigned _BitInt(373)) + 0), ui), 1); + TEST_COMPARE (stdc_first_trailing_one (~(unsigned _BitInt(512)) 0), 1); + TEST_COMPARE (stdc_first_trailing_one (~(unsigned _BitInt(373)) 0), 1); + TEST_COMPARE (stdc_first_trailing_one (((unsigned _BitInt(512)) 255) << 175), + 176); + TEST_COMPARE (stdc_first_trailing_one ((~(unsigned _BitInt(373)) 0) << 311), + 312); + TEST_COMPARE (stdc_count_zeros ((unsigned _BitInt(512)) 0), 512); + TEST_COMPARE (expr_has_type (stdc_count_zeros ((unsigned _BitInt(512)) 0), + ui), 1); + TEST_COMPARE (stdc_count_zeros ((unsigned _BitInt(373)) 0), 373); + TEST_COMPARE (expr_has_type (stdc_count_zeros ((unsigned _BitInt(373)) 0), + ui), 1); + TEST_COMPARE (stdc_count_zeros (~(unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (stdc_count_zeros (~(unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (stdc_count_zeros ((unsigned _BitInt(512)) 1315), 512 - 5); + TEST_COMPARE (stdc_count_zeros ((unsigned _BitInt(373)) 3363), 373 - 6); + TEST_COMPARE (stdc_count_ones ((unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_count_ones ((unsigned _BitInt(512)) 0), + ui), 1); + TEST_COMPARE (stdc_count_ones ((unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_count_ones ((unsigned _BitInt(373)) 0), + ui), 1); + TEST_COMPARE (stdc_count_ones (~(unsigned _BitInt(512)) 0), 512); + TEST_COMPARE (stdc_count_ones (~(unsigned _BitInt(373)) 0), 373); + TEST_COMPARE (stdc_count_ones (~(unsigned _BitInt(512)) 1315), 512 - 5); + TEST_COMPARE (stdc_count_ones (~(unsigned _BitInt(373)) 3363), 373 - 6); + TEST_COMPARE (stdc_has_single_bit ((unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_has_single_bit ((unsigned _BitInt(512)) 0), + _Bool), 1); + TEST_COMPARE (stdc_has_single_bit ((unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_has_single_bit ((unsigned _BitInt(373)) 0), + _Bool), 1); + TEST_COMPARE (stdc_has_single_bit (~(unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (stdc_has_single_bit (~(unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (stdc_has_single_bit (((unsigned _BitInt(512)) 1022) << 279), + 0); + TEST_COMPARE (stdc_has_single_bit (((unsigned _BitInt(373)) 12) << 305), 0); + TEST_COMPARE (stdc_bit_width ((unsigned _BitInt(512)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_bit_width ((unsigned _BitInt(512)) 0), + ui), 1); + TEST_COMPARE (stdc_bit_width ((unsigned _BitInt(373)) 0), 0); + TEST_COMPARE (expr_has_type (stdc_bit_width ((unsigned _BitInt(373)) 0), + ui), 1); + TEST_COMPARE (stdc_bit_width (~(unsigned _BitInt(512)) 0), 512); + TEST_COMPARE (stdc_bit_width (~(unsigned _BitInt(373)) 0), 373); + TEST_COMPARE (stdc_bit_width (((unsigned _BitInt(512)) 1023) << 405), + 405 + 10); + TEST_COMPARE (stdc_bit_width (((unsigned _BitInt(373)) 1024) << 242), + 242 + 11); + TEST_COMPARE (stdc_bit_floor ((unsigned _BitInt(512)) 0) != 0, 0); + TEST_COMPARE (expr_has_type (stdc_bit_floor ((unsigned _BitInt(512)) 0), + unsigned _BitInt(512)), 1); + TEST_COMPARE (stdc_bit_floor ((unsigned _BitInt(373)) 0) != 0, 0); + TEST_COMPARE (expr_has_type (stdc_bit_floor ((unsigned _BitInt(373)) 0), + unsigned _BitInt(373)), 1); + TEST_COMPARE (stdc_bit_floor (~(unsigned _BitInt(512)) 0) + != ((unsigned _BitInt(512)) 1) << (512 - 1), 0); + TEST_COMPARE (stdc_bit_floor (~(unsigned _BitInt(373)) 0) + != ((unsigned _BitInt(373)) 1) << (373 - 1), 0); + TEST_COMPARE (stdc_bit_floor (((unsigned _BitInt(512)) 511) << 405) + != (((unsigned _BitInt(512)) 256) << 405), 0); + TEST_COMPARE (stdc_bit_floor (((unsigned _BitInt(373)) 512) << 242) + != (((unsigned _BitInt(512)) 512) << 242), 0); + TEST_COMPARE (stdc_bit_ceil ((unsigned _BitInt(512)) 0) != 1, 0); + TEST_COMPARE (expr_has_type (stdc_bit_ceil ((unsigned _BitInt(512)) 0), + unsigned _BitInt(512)), 1); + TEST_COMPARE (stdc_bit_ceil ((unsigned _BitInt(373)) 0) != 1, 0); + TEST_COMPARE (expr_has_type (stdc_bit_ceil ((unsigned _BitInt(373)) 0), + unsigned _BitInt(373)), 1); + TEST_COMPARE (stdc_bit_ceil (~(unsigned _BitInt(512)) 0) != 0, 0); + TEST_COMPARE (stdc_bit_ceil (~(unsigned _BitInt(373)) 0) != 0, 0); + TEST_COMPARE (stdc_bit_ceil (((unsigned _BitInt(512)) 1) << (512 - 1)) + != ((unsigned _BitInt(512)) 1) << (512 - 1), 0); + TEST_COMPARE (stdc_bit_ceil ((~(unsigned _BitInt(373)) 0) >> 1) + != ((unsigned _BitInt(373)) 1) << (373 - 1), 0); + TEST_COMPARE (stdc_bit_ceil (((unsigned _BitInt(512)) 512) << 405) + != (((unsigned _BitInt(512)) 512) << 405), 0); + TEST_COMPARE (stdc_bit_ceil (((unsigned _BitInt(373)) 513) << 242) + != (((unsigned _BitInt(512)) 1024) << 242), 0); + TEST_COMPARE (stdc_bit_floor ((unsigned _BitInt(BITINT_MAXWIDTH)) 0) != 0, + 0); + TEST_COMPARE (stdc_bit_floor (~(unsigned _BitInt(BITINT_MAXWIDTH)) 0) + != ((unsigned _BitInt(BITINT_MAXWIDTH)) 1) << (BITINT_MAXWIDTH + - 1), 0); + TEST_COMPARE (stdc_bit_floor (((unsigned _BitInt(BITINT_MAXWIDTH)) 511) + << 405) + != (((unsigned _BitInt(BITINT_MAXWIDTH)) 256) << 405), 0); + TEST_COMPARE (stdc_bit_floor (((unsigned _BitInt(BITINT_MAXWIDTH)) 512) + << 405) + != (((unsigned _BitInt(BITINT_MAXWIDTH)) 512) << 405), 0); + TEST_COMPARE (stdc_bit_ceil ((unsigned _BitInt(BITINT_MAXWIDTH)) 0) != 1, 0); + TEST_COMPARE (stdc_bit_ceil (~(unsigned _BitInt(BITINT_MAXWIDTH)) 0) != 0, + 0); + TEST_COMPARE (stdc_bit_ceil (((unsigned _BitInt(BITINT_MAXWIDTH)) 1) + << (BITINT_MAXWIDTH - 1)) + != ((unsigned _BitInt(BITINT_MAXWIDTH)) 1) << (BITINT_MAXWIDTH + - 1), 0); + TEST_COMPARE (stdc_bit_ceil (((unsigned _BitInt(BITINT_MAXWIDTH)) 512) + << 405) + != (((unsigned _BitInt(BITINT_MAXWIDTH)) 512) << 405), 0); + TEST_COMPARE (stdc_bit_ceil (((unsigned _BitInt(BITINT_MAXWIDTH)) 513) + << 405) + != (((unsigned _BitInt(BITINT_MAXWIDTH)) 1024) << 405), 0); +# endif +# endif + return 0; +} +#else +static int +do_test (void) +{ + return 0; +} +#endif + +#include <support/test-driver.c> |