diff options
Diffstat (limited to 'lib/ashldi3.c')
| -rw-r--r-- | lib/ashldi3.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/lib/ashldi3.c b/lib/ashldi3.c index e9e24c31d..c818ee71a 100644 --- a/lib/ashldi3.c +++ b/lib/ashldi3.c @@ -1,21 +1,22 @@ -//===-- ashldi3.c - Implement __ashldi3 -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements __ashldi3 for the compiler_rt library. -// -//===----------------------------------------------------------------------===// +/* ====-- ashldi3.c - Implement __ashldi3 -----------------------------------=== + * + * The LLVM Compiler Infrastructure + * + * This file is distributed under the University of Illinois Open Source + * License. See LICENSE.TXT for details. + * + * ===----------------------------------------------------------------------=== + * + * This file implements __ashldi3 for the compiler_rt library. + * + * ===----------------------------------------------------------------------=== + */ #include "int_lib.h" -// Returns: a << b +/* Returns: a << b */ -// Precondition: 0 <= b < bits_in_dword +/* Precondition: 0 <= b < bits_in_dword */ di_int __ashldi3(di_int a, si_int b) @@ -24,12 +25,12 @@ __ashldi3(di_int a, si_int b) dwords input; dwords result; input.all = a; - if (b & bits_in_word) // bits_in_word <= b < bits_in_dword + if (b & bits_in_word) /* bits_in_word <= b < bits_in_dword */ { result.low = 0; result.high = input.low << (b - bits_in_word); } - else // 0 <= b < bits_in_word + else /* 0 <= b < bits_in_word */ { if (b == 0) return a; |