11188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker/*===---- lzcntintrin.h - LZCNT intrinsics ---------------------------------=== 21188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * 31188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * Permission is hereby granted, free of charge, to any person obtaining a copy 41188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * of this software and associated documentation files (the "Software"), to deal 51188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * in the Software without restriction, including without limitation the rights 61188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 71188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * copies of the Software, and to permit persons to whom the Software is 81188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * furnished to do so, subject to the following conditions: 91188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * 101188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * The above copyright notice and this permission notice shall be included in 111188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * all copies or substantial portions of the Software. 121188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * 131188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 141188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 151188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 161188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 171188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 181188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 191188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * THE SOFTWARE. 201188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker * 211188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker *===-----------------------------------------------------------------------=== 221188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker */ 231188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 241188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H 251188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#error "Never use <lzcntintrin.h> directly; include <x86intrin.h> instead." 261188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#endif 271188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 281188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#ifndef __LZCNTINTRIN_H 291188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#define __LZCNTINTRIN_H 301188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 311188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker/* Define the default attributes for the functions in this file. */ 321188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("lzcnt"))) 331188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 341188dcf30923cb444143ffa4b83dc951037e76agitbuildkickerstatic __inline__ unsigned short __DEFAULT_FN_ATTRS 351188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker__lzcnt16(unsigned short __X) 361188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker{ 371188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker return __X ? __builtin_clzs(__X) : 16; 381188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker} 391188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 401188dcf30923cb444143ffa4b83dc951037e76agitbuildkickerstatic __inline__ unsigned int __DEFAULT_FN_ATTRS 411188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker__lzcnt32(unsigned int __X) 421188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker{ 431188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker return __X ? __builtin_clz(__X) : 32; 441188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker} 451188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 461188dcf30923cb444143ffa4b83dc951037e76agitbuildkickerstatic __inline__ unsigned int __DEFAULT_FN_ATTRS 471188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker_lzcnt_u32(unsigned int __X) 481188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker{ 491188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker return __X ? __builtin_clz(__X) : 32; 501188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker} 511188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 521188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#ifdef __x86_64__ 531188dcf30923cb444143ffa4b83dc951037e76agitbuildkickerstatic __inline__ unsigned long long __DEFAULT_FN_ATTRS 541188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker__lzcnt64(unsigned long long __X) 551188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker{ 561188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker return __X ? __builtin_clzll(__X) : 64; 571188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker} 581188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 591188dcf30923cb444143ffa4b83dc951037e76agitbuildkickerstatic __inline__ unsigned long long __DEFAULT_FN_ATTRS 601188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker_lzcnt_u64(unsigned long long __X) 611188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker{ 621188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker return __X ? __builtin_clzll(__X) : 64; 631188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker} 641188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#endif 651188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 661188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#undef __DEFAULT_FN_ATTRS 671188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker 681188dcf30923cb444143ffa4b83dc951037e76agitbuildkicker#endif /* __LZCNTINTRIN_H */ 69