1 /* 2 * Copyright (c) 2025 Robert Clausecker <fuz@FreeBSD.org> 3 * 4 * SPDX-License-Identifier: BSD-2-Clause 5 */ 6 7 #include <limits.h> 8 #include <stdbit.h> 9 10 unsigned int 11 stdc_count_ones_uc(unsigned char x) 12 { 13 return (__builtin_popcount(x)); 14 } 15 16 unsigned int 17 stdc_count_ones_us(unsigned short x) 18 { 19 return (__builtin_popcount(x)); 20 } 21 22 unsigned int 23 stdc_count_ones_ui(unsigned int x) 24 { 25 return (__builtin_popcount(x)); 26 } 27 28 unsigned int 29 stdc_count_ones_ul(unsigned long x) 30 { 31 return (__builtin_popcountl(x)); 32 } 33 34 unsigned int 35 stdc_count_ones_ull(unsigned long long x) 36 { 37 return (__builtin_popcountll(x)); 38 } 39