1227825Stheraven// -*- C++ -*- 2227825Stheraven//===-----------------------------------------------------------------------===// 3227825Stheraven// 4227825Stheraven// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5227825Stheraven// See https://llvm.org/LICENSE.txt for license information. 6227825Stheraven// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7227825Stheraven// 8227825Stheraven//===----------------------------------------------------------------------===// 9227825Stheraven 10227825Stheraven#ifndef _LIBCPP_SUPPORT_IBM_SUPPORT_H 11227825Stheraven#define _LIBCPP_SUPPORT_IBM_SUPPORT_H 12227825Stheraven 13227825Stheravenextern "builtin" int __popcnt4(unsigned int); 14227825Stheravenextern "builtin" int __popcnt8(unsigned long long); 15227825Stheravenextern "builtin" unsigned int __cnttz4(unsigned int); 16227825Stheravenextern "builtin" unsigned int __cnttz8(unsigned long long); 17227825Stheravenextern "builtin" unsigned int __cntlz4(unsigned int); 18227825Stheravenextern "builtin" unsigned int __cntlz8(unsigned long long); 19227825Stheraven 20227825Stheraven// Builtin functions for counting population 21227825Stheraven#define __builtin_popcount(x) __popcnt4(x) 22227825Stheraven#define __builtin_popcountll(x) __popcnt8(x) 23227825Stheraven#if defined(__64BIT__) 24227825Stheraven#define __builtin_popcountl(x) __builtin_popcountll(x) 25227825Stheraven#else 26227825Stheraven#define __builtin_popcountl(x) __builtin_popcount(x) 27227825Stheraven#endif 28227825Stheraven 29227825Stheraven// Builtin functions for counting trailing zeros 30227825Stheraven#define __builtin_ctz(x) __cnttz4(x) 31227825Stheraven#define __builtin_ctzll(x) __cnttz8(x) 32227825Stheraven#if defined(__64BIT__) 33227825Stheraven#define __builtin_ctzl(x) __builtin_ctzll(x) 34227825Stheraven#else 35227825Stheraven#define __builtin_ctzl(x) __builtin_ctz(x) 36227825Stheraven#endif 37227825Stheraven 38227825Stheraven// Builtin functions for counting leading zeros 39227825Stheraven#define __builtin_clz(x) __cntlz4(x) 40227825Stheraven#define __builtin_clzll(x) __cntlz8(x) 41227825Stheraven#if defined(__64BIT__) 42227825Stheraven#define __builtin_clzl(x) __builtin_clzll(x) 43241903Sdim#else 44241903Sdim#define __builtin_clzl(x) __builtin_clz(x) 45227825Stheraven#endif 46241903Sdim 47227825Stheraven#if defined(__64BIT__) 48227825Stheraven#define __SIZE_WIDTH__ 64 49227825Stheraven#else 50227825Stheraven#define __SIZE_WIDTH__ 32 51227825Stheraven#endif 52227825Stheraven 53227825Stheraven#endif // _LIBCPP_SUPPORT_IBM_SUPPORT_H 54241903Sdim