// Copyright 2024 The Libc Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. //go:build linux && (amd64 || arm64 || loong64 || ppc64le || s390x || riscv64) package libc // import "modernc.org/libc" import ( mbits "math/bits" ) func X__builtin_ctzl(tls *TLS, x ulong) int32 { return int32(mbits.TrailingZeros64(x)) } func X__builtin_clzl(t *TLS, n ulong) int32 { return int32(mbits.LeadingZeros64(n)) } // int __builtin_popcountl (unsigned long x) func X__builtin_popcountl(t *TLS, x ulong) int32 { return int32(mbits.OnesCount64(x)) }