Files
mcias/vendor/modernc.org/libc/builtin64.go
Kyle Isom 115f23a3ea Add Nix flake for mciasctl and mciasgrpcctl
Vendor dependencies and expose control program binaries via
nix build. Uses nixpkgs-unstable for Go 1.26 support.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-25 21:01:21 -07:00

25 lines
629 B
Go

// 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))
}