diff options
Diffstat (limited to 'lib/builtins/subvdi3.c')
| -rw-r--r-- | lib/builtins/subvdi3.c | 53 | 
1 files changed, 23 insertions, 30 deletions
diff --git a/lib/builtins/subvdi3.c b/lib/builtins/subvdi3.c index 71fc70ffa92d..d7d78f1bb34f 100644 --- a/lib/builtins/subvdi3.c +++ b/lib/builtins/subvdi3.c @@ -1,36 +1,29 @@ -/* ===-- subvdi3.c - Implement __subvdi3 -----------------------------------=== - * - *                The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __subvdi3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ +//===-- subvdi3.c - Implement __subvdi3 -----------------------------------===// +// +// 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 __subvdi3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===//  #include "int_lib.h" -/* Returns: a - b */ +// Returns: a - b -/* Effects: aborts if a - b overflows */ +// Effects: aborts if a - b overflows -COMPILER_RT_ABI di_int -__subvdi3(di_int a, di_int b) -{ -    di_int s = (du_int) a - (du_int) b; -    if (b >= 0) -    { -        if (s > a) -            compilerrt_abort(); -    } -    else -    { -        if (s <= a) -            compilerrt_abort(); -    } -    return s; +COMPILER_RT_ABI di_int __subvdi3(di_int a, di_int b) { +  di_int s = (du_int)a - (du_int)b; +  if (b >= 0) { +    if (s > a) +      compilerrt_abort(); +  } else { +    if (s <= a) +      compilerrt_abort(); +  } +  return s;  }  | 
