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