diff options
Diffstat (limited to 'compiler-rt/lib/builtins/lshrti3.c')
| -rw-r--r-- | compiler-rt/lib/builtins/lshrti3.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/compiler-rt/lib/builtins/lshrti3.c b/compiler-rt/lib/builtins/lshrti3.c index b06c786f230..d00a2209599 100644 --- a/compiler-rt/lib/builtins/lshrti3.c +++ b/compiler-rt/lib/builtins/lshrti3.c @@ -1,35 +1,32 @@ -/* ===-- lshrti3.c - Implement __lshrti3 -----------------------------------=== - * - * 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 __lshrti3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ +//===-- lshrti3.c - Implement __lshrti3 -----------------------------------===// +// +// 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 __lshrti3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// #include "int_lib.h" #ifdef CRT_HAS_128BIT -/* Returns: logical a >> b */ +// Returns: logical a >> b -/* Precondition: 0 <= b < bits_in_tword */ +// Precondition: 0 <= b < bits_in_tword COMPILER_RT_ABI ti_int __lshrti3(ti_int a, si_int b) { const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT); utwords input; utwords result; input.all = a; - if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */ - { + if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */ { result.s.high = 0; result.s.low = input.s.high >> (b - bits_in_dword); - } else /* 0 <= b < bits_in_dword */ - { + } else /* 0 <= b < bits_in_dword */ { if (b == 0) return a; result.s.high = input.s.high >> b; @@ -38,4 +35,4 @@ COMPILER_RT_ABI ti_int __lshrti3(ti_int a, si_int b) { return result.all; } -#endif /* CRT_HAS_128BIT */ +#endif // CRT_HAS_128BIT |
