diff options
Diffstat (limited to 'lib/ashlti3.c')
| -rw-r--r-- | lib/ashlti3.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/lib/ashlti3.c b/lib/ashlti3.c index 1b6968192..c1ab37163 100644 --- a/lib/ashlti3.c +++ b/lib/ashlti3.c @@ -1,23 +1,24 @@ -//===-- ashlti3.c - Implement __ashlti3 -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements __ashlti3 for the compiler_rt library. -// -//===----------------------------------------------------------------------===// +/* ===-- ashlti3.c - Implement __ashlti3 -----------------------------------=== + * + * The LLVM Compiler Infrastructure + * + * This file is distributed under the University of Illinois Open Source + * License. See LICENSE.TXT for details. + * + * ===----------------------------------------------------------------------=== + * + * This file implements __ashlti3 for the compiler_rt library. + * + * ===----------------------------------------------------------------------=== + */ #if __x86_64 #include "int_lib.h" -// Returns: a << b +/* Returns: a << b */ -// Precondition: 0 <= b < bits_in_tword +/* Precondition: 0 <= b < bits_in_tword */ ti_int __ashlti3(ti_int a, si_int b) @@ -26,12 +27,12 @@ __ashlti3(ti_int a, si_int b) twords input; twords 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.low = 0; result.high = input.low << (b - bits_in_dword); } - else // 0 <= b < bits_in_dword + else /* 0 <= b < bits_in_dword */ { if (b == 0) return a; @@ -41,4 +42,4 @@ __ashlti3(ti_int a, si_int b) return result.all; } -#endif +#endif /* __x86_64 */ |