16bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/*===---- bmiintrin.h - BMI intrinsics -------------------------------------=== 26bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * 36bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * Permission is hereby granted, free of charge, to any person obtaining a copy 46bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * of this software and associated documentation files (the "Software"), to deal 56bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * in the Software without restriction, including without limitation the rights 66bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 76bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * copies of the Software, and to permit persons to whom the Software is 86bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * furnished to do so, subject to the following conditions: 96bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * 106bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * The above copyright notice and this permission notice shall be included in 116bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * all copies or substantial portions of the Software. 126bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * 136bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 146bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 156bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 166bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 176bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 186bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 196bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * THE SOFTWARE. 206bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker * 216bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker *===-----------------------------------------------------------------------=== 226bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker */ 236bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 246bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H 256bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#error "Never use <bmiintrin.h> directly; include <x86intrin.h> instead." 266bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#endif 276bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 286bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#ifndef __BMIINTRIN_H 296bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define __BMIINTRIN_H 306bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 316bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Counts the number of trailing zero bits in the operand. 326bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 336bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 346bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 356bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 366bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned short _tzcnt_u16(unsigned short a); 376bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 386bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 396bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c TZCNT instruction. 406bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 416bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 426bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 16-bit integer whose trailing zeros are to be counted. 436bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 16-bit integer containing the number of trailing zero 446bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits in the operand. 456bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _tzcnt_u16(a) (__tzcnt_u16((a))) 466bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 476bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Performs a bitwise AND of the second operand with the one's 486bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// complement of the first operand. 496bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 506bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 516bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 526bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 536bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned int _andn_u32(unsigned int a, unsigned int b); 546bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 556bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 566bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c ANDN instruction. 576bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 586bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 596bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer containing one of the operands. 606bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param b 616bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer containing one of the operands. 626bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer containing the bitwise AND of the second 636bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand with the one's complement of the first operand. 646bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _andn_u32(a, b) (__andn_u32((a), (b))) 656bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 666bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/* _bextr_u32 != __bextr_u32 */ 676bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Clears all bits in the source except for the least significant bit 686bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// containing a value of 1 and returns the result. 696bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 706bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 716bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 726bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 736bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned int _blsi_u32(unsigned int a); 746bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 756bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 766bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSI instruction. 776bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 786bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 796bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer whose bits are to be cleared. 806bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer containing the result of clearing the bits from 816bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// the source operand. 826bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _blsi_u32(a) (__blsi_u32((a))) 836bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 846bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Creates a mask whose bits are set to 1, using bit 0 up to and 856bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// including the least siginificant bit that is set to 1 in the source 866bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand and returns the result. 876bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 886bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 896bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 906bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 916bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned int _blsmsk_u32(unsigned int a); 926bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 936bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 946bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSMSK instruction. 956bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 966bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 976bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer used to create the mask. 986bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer containing the newly created mask. 996bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _blsmsk_u32(a) (__blsmsk_u32((a))) 1006bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 1016bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Clears the least siginificant bit that is set to 1 in the source 1026bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand and returns the result. 1036bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1046bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 1056bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1066bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 1076bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned int _blsr_u32(unsigned int a); 1086bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 1096bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1106bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSR instruction. 1116bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1126bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 1136bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer containing the operand to be cleared. 1146bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer containing the result of clearing the source 1156bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand. 1166bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _blsr_u32(a) (__blsr_u32((a))) 1176bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 1186bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Counts the number of trailing zero bits in the operand. 1196bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1206bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 1216bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1226bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 1236bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned int _tzcnt_u32(unsigned int a); 1246bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 1256bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1266bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c TZCNT instruction. 1276bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1286bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 1296bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 32-bit integer whose trailing zeros are to be counted. 1306bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 32-bit integer containing the number of trailing zero 1316bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits in the operand. 1326bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _tzcnt_u32(a) (__tzcnt_u32((a))) 1336bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 1346bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/* Define the default attributes for the functions in this file. */ 1356bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("bmi"))) 1366bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 1376bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/* Allow using the tzcnt intrinsics even for non-BMI targets. Since the TZCNT 1386bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker instruction behaves as BSF on non-BMI targets, there is code that expects 1396bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker to use it as a potentially faster version of BSF. */ 1406bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define __RELAXED_FN_ATTRS __attribute__((__always_inline__, __nodebug__)) 1416bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 1426bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Counts the number of trailing zero bits in the operand. 1436bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1446bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 1456bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1466bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c TZCNT instruction. 1476bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1486bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 1496bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 16-bit integer whose trailing zeros are to be counted. 1506bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 16-bit integer containing the number of trailing zero 1516bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits in the operand. 1526bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned short __RELAXED_FN_ATTRS 1536bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__tzcnt_u16(unsigned short __X) 1546bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 1556bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X ? __builtin_ctzs(__X) : 16; 1566bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 1576bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 1586bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Performs a bitwise AND of the second operand with the one's 1596bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// complement of the first operand. 1606bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1616bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 1626bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1636bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c ANDN instruction. 1646bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1656bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 1666bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer containing one of the operands. 1676bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __Y 1686bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer containing one of the operands. 1696bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer containing the bitwise AND of the second 1706bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand with the one's complement of the first operand. 1716bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned int __DEFAULT_FN_ATTRS 1726bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__andn_u32(unsigned int __X, unsigned int __Y) 1736bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 1746bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return ~__X & __Y; 1756bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 1766bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 1776bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/* AMD-specified, double-leading-underscore version of BEXTR */ 1786bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Extracts the specified bits from the first operand and returns them 1796bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// in the least significant bits of the result. 1806bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1816bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 1826bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1836bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BEXTR instruction. 1846bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 1856bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 1866bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer whose bits are to be extracted. 1876bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __Y 1886bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer used to specify which bits are extracted. Bits [7:0] 1896bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// specify the index of the least significant bit. Bits [15:8] specify the 1906bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// number of bits to be extracted. 1916bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer whose least significant bits contain the 1926bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// extracted bits. 1936bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned int __DEFAULT_FN_ATTRS 1946bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__bextr_u32(unsigned int __X, unsigned int __Y) 1956bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 1966bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __builtin_ia32_bextr_u32(__X, __Y); 1976bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 1986bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 1996bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/* Intel-specified, single-leading-underscore version of BEXTR */ 2006bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Extracts the specified bits from the first operand and returns them 2016bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// in the least significant bits of the result. 2026bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2036bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 2046bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2056bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BEXTR instruction. 2066bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2076bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 2086bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer whose bits are to be extracted. 2096bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __Y 2106bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer used to specify the index of the least significant 2116bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bit for the bits to be extracted. Bits [7:0] specify the index. 2126bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __Z 2136bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer used to specify the number of bits to be extracted. 2146bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// Bits [7:0] specify the number of bits. 2156bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer whose least significant bits contain the 2166bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// extracted bits. 2176bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned int __DEFAULT_FN_ATTRS 2186bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker_bextr_u32(unsigned int __X, unsigned int __Y, unsigned int __Z) 2196bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 2206bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __builtin_ia32_bextr_u32 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8))); 2216bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 2226bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 2236bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Clears all bits in the source except for the least significant bit 2246bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// containing a value of 1 and returns the result. 2256bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2266bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 2276bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2286bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSI instruction. 2296bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2306bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 2316bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer whose bits are to be cleared. 2326bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer containing the result of clearing the bits from 2336bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// the source operand. 2346bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned int __DEFAULT_FN_ATTRS 2356bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__blsi_u32(unsigned int __X) 2366bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 2376bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X & -__X; 2386bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 2396bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 2406bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Creates a mask whose bits are set to 1, using bit 0 up to and 2416bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// including the least siginificant bit that is set to 1 in the source 2426bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand and returns the result. 2436bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2446bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 2456bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2466bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSMSK instruction. 2476bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2486bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 2496bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer used to create the mask. 2506bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer containing the newly created mask. 2516bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned int __DEFAULT_FN_ATTRS 2526bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__blsmsk_u32(unsigned int __X) 2536bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 2546bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X ^ (__X - 1); 2556bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 2566bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 2576bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Clears the least siginificant bit that is set to 1 in the source 2586bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand and returns the result. 2596bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2606bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 2616bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2626bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSR instruction. 2636bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2646bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 2656bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer containing the operand to be cleared. 2666bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned integer containing the result of clearing the source 2676bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand. 2686bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned int __DEFAULT_FN_ATTRS 2696bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__blsr_u32(unsigned int __X) 2706bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 2716bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X & (__X - 1); 2726bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 2736bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 2746bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Counts the number of trailing zero bits in the operand. 2756bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2766bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 2776bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2786bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c TZCNT instruction. 2796bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2806bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 2816bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 32-bit integer whose trailing zeros are to be counted. 2826bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 32-bit integer containing the number of trailing zero 2836bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits in the operand. 2846bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned int __RELAXED_FN_ATTRS 2856bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__tzcnt_u32(unsigned int __X) 2866bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 2876bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X ? __builtin_ctz(__X) : 32; 2886bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 2896bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 2906bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Counts the number of trailing zero bits in the operand. 2916bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2926bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 2936bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2946bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c TZCNT instruction. 2956bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 2966bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 2976bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 32-bit integer whose trailing zeros are to be counted. 2986bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An 32-bit integer containing the number of trailing zero 2996bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits in the operand. 3006bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ int __RELAXED_FN_ATTRS 3016bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker_mm_tzcnt_32(unsigned int __X) 3026bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 3036bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X ? __builtin_ctz(__X) : 32; 3046bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 3056bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 3066bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#ifdef __x86_64__ 3076bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 3086bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Performs a bitwise AND of the second operand with the one's 3096bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// complement of the first operand. 3106bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3116bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 3126bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3136bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 3146bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned long long _andn_u64 (unsigned long long a, unsigned long long b); 3156bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 3166bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3176bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c ANDN instruction. 3186bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3196bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 3206bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer containing one of the operands. 3216bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param b 3226bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer containing one of the operands. 3236bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer containing the bitwise AND of the second 3246bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand with the one's complement of the first operand. 3256bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _andn_u64(a, b) (__andn_u64((a), (b))) 3266bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 3276bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/* _bextr_u64 != __bextr_u64 */ 3286bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Clears all bits in the source except for the least significant bit 3296bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// containing a value of 1 and returns the result. 3306bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3316bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 3326bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3336bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 3346bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned long long _blsi_u64(unsigned long long a); 3356bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 3366bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3376bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSI instruction. 3386bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3396bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 3406bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer whose bits are to be cleared. 3416bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer containing the result of clearing the 3426bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits from the source operand. 3436bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _blsi_u64(a) (__blsi_u64((a))) 3446bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 3456bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Creates a mask whose bits are set to 1, using bit 0 up to and 3466bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// including the least siginificant bit that is set to 1 in the source 3476bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand and returns the result. 3486bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3496bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 3506bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3516bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 3526bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned long long _blsmsk_u64(unsigned long long a); 3536bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 3546bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3556bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSMSK instruction. 3566bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3576bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 3586bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer used to create the mask. 3596bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns A unsigned 64-bit integer containing the newly created mask. 3606bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _blsmsk_u64(a) (__blsmsk_u64((a))) 3616bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 3626bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Clears the least siginificant bit that is set to 1 in the source 3636bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand and returns the result. 3646bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3656bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 3666bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3676bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 3686bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned long long _blsr_u64(unsigned long long a); 3696bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 3706bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3716bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSR instruction. 3726bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3736bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 3746bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer containing the operand to be cleared. 3756bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer containing the result of clearing the 3766bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// source operand. 3776bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _blsr_u64(a) (__blsr_u64((a))) 3786bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 3796bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Counts the number of trailing zero bits in the operand. 3806bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3816bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 3826bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3836bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \code 3846bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// unsigned long long _tzcnt_u64(unsigned long long a); 3856bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \endcode 3866bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3876bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c TZCNT instruction. 3886bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3896bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param a 3906bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer whose trailing zeros are to be counted. 3916bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer containing the number of trailing zero 3926bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits in the operand. 3936bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#define _tzcnt_u64(a) (__tzcnt_u64((a))) 3946bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 3956bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Performs a bitwise AND of the second operand with the one's 3966bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// complement of the first operand. 3976bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 3986bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 3996bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4006bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c ANDN instruction. 4016bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4026bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 4036bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer containing one of the operands. 4046bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __Y 4056bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer containing one of the operands. 4066bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer containing the bitwise AND of the second 4076bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand with the one's complement of the first operand. 4086bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned long long __DEFAULT_FN_ATTRS 4096bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__andn_u64 (unsigned long long __X, unsigned long long __Y) 4106bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 4116bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return ~__X & __Y; 4126bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 4136bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 4146bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/* AMD-specified, double-leading-underscore version of BEXTR */ 4156bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Extracts the specified bits from the first operand and returns them 4166bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// in the least significant bits of the result. 4176bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4186bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 4196bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4206bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BEXTR instruction. 4216bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4226bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 4236bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer whose bits are to be extracted. 4246bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __Y 4256bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer used to specify which bits are extracted. Bits 4266bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// [7:0] specify the index of the least significant bit. Bits [15:8] specify 4276bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// the number of bits to be extracted. 4286bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer whose least significant bits contain the 4296bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// extracted bits. 4306bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned long long __DEFAULT_FN_ATTRS 4316bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__bextr_u64(unsigned long long __X, unsigned long long __Y) 4326bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 4336bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __builtin_ia32_bextr_u64(__X, __Y); 4346bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 4356bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 4366bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/* Intel-specified, single-leading-underscore version of BEXTR */ 4376bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Extracts the specified bits from the first operand and returns them 4386bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// in the least significant bits of the result. 4396bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4406bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 4416bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4426bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BEXTR instruction. 4436bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4446bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 4456bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer whose bits are to be extracted. 4466bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __Y 4476bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer used to specify the index of the least significant 4486bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bit for the bits to be extracted. Bits [7:0] specify the index. 4496bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __Z 4506bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned integer used to specify the number of bits to be extracted. 4516bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// Bits [7:0] specify the number of bits. 4526bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer whose least significant bits contain the 4536bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// extracted bits. 4546bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned long long __DEFAULT_FN_ATTRS 4556bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker_bextr_u64(unsigned long long __X, unsigned int __Y, unsigned int __Z) 4566bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 4576bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __builtin_ia32_bextr_u64 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8))); 4586bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 4596bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 4606bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Clears all bits in the source except for the least significant bit 4616bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// containing a value of 1 and returns the result. 4626bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4636bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 4646bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4656bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSI instruction. 4666bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4676bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 4686bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer whose bits are to be cleared. 4696bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer containing the result of clearing the 4706bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits from the source operand. 4716bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned long long __DEFAULT_FN_ATTRS 4726bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__blsi_u64(unsigned long long __X) 4736bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 4746bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X & -__X; 4756bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 4766bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 4776bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Creates a mask whose bits are set to 1, using bit 0 up to and 4786bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// including the least siginificant bit that is set to 1 in the source 4796bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand and returns the result. 4806bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4816bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 4826bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4836bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSMSK instruction. 4846bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4856bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 4866bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer used to create the mask. 4876bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns A unsigned 64-bit integer containing the newly created mask. 4886bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned long long __DEFAULT_FN_ATTRS 4896bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__blsmsk_u64(unsigned long long __X) 4906bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 4916bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X ^ (__X - 1); 4926bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 4936bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 4946bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Clears the least siginificant bit that is set to 1 in the source 4956bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// operand and returns the result. 4966bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4976bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 4986bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 4996bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c BLSR instruction. 5006bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 5016bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 5026bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer containing the operand to be cleared. 5036bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer containing the result of clearing the 5046bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// source operand. 5056bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned long long __DEFAULT_FN_ATTRS 5066bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__blsr_u64(unsigned long long __X) 5076bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 5086bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X & (__X - 1); 5096bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 5106bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 5116bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Counts the number of trailing zero bits in the operand. 5126bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 5136bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 5146bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 5156bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c TZCNT instruction. 5166bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 5176bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 5186bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer whose trailing zeros are to be counted. 5196bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An unsigned 64-bit integer containing the number of trailing zero 5206bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits in the operand. 5216bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ unsigned long long __RELAXED_FN_ATTRS 5226bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker__tzcnt_u64(unsigned long long __X) 5236bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 5246bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X ? __builtin_ctzll(__X) : 64; 5256bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 5266bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 5276bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \brief Counts the number of trailing zero bits in the operand. 5286bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 5296bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \headerfile <x86intrin.h> 5306bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 5316bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// This intrinsic corresponds to the \c TZCNT instruction. 5326bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// 5336bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \param __X 5346bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// An unsigned 64-bit integer whose trailing zeros are to be counted. 5356bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// \returns An 64-bit integer containing the number of trailing zero 5366bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker/// bits in the operand. 5376bdbd720989797e8a53237ef3ef213c4114f869gitbuildkickerstatic __inline__ long long __RELAXED_FN_ATTRS 5386bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker_mm_tzcnt_64(unsigned long long __X) 5396bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker{ 5406bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker return __X ? __builtin_ctzll(__X) : 64; 5416bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker} 5426bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 5436bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#endif /* __x86_64__ */ 5446bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 5456bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#undef __DEFAULT_FN_ATTRS 5466bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#undef __RELAXED_FN_ATTRS 5476bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker 5486bdbd720989797e8a53237ef3ef213c4114f869gitbuildkicker#endif /* __BMIINTRIN_H */ 549