llvm/compiler-rt/lib/builtins/clzsi2.c

//===-- clzsi2.c - Implement __clzsi2 -------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements __clzsi2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//

#include "int_lib.h"

// Returns: the number of leading 0-bits

// Precondition: a != 0

COMPILER_RT_ABI int __clzsi2(si_int a) { … }