diff options
Diffstat (limited to 'compiler-rt/lib/lshrti3.c')
| -rw-r--r-- | compiler-rt/lib/lshrti3.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/compiler-rt/lib/lshrti3.c b/compiler-rt/lib/lshrti3.c index 99258cee108..a2846875dd5 100644 --- a/compiler-rt/lib/lshrti3.c +++ b/compiler-rt/lib/lshrti3.c @@ -1,23 +1,24 @@ -//===-- lshrti3.c - Implement __lshrti3 -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements __lshrti3 for the compiler_rt library. -// -//===----------------------------------------------------------------------===// +/* ===-- lshrti3.c - Implement __lshrti3 -----------------------------------=== + * + * The LLVM Compiler Infrastructure + * + * This file is distributed under the University of Illinois Open Source + * License. See LICENSE.TXT for details. + * + * ===----------------------------------------------------------------------=== + * + * This file implements __lshrti3 for the compiler_rt library. + * + * ===----------------------------------------------------------------------=== + */ #if __x86_64 #include "int_lib.h" -// Returns: logical a >> b +/* Returns: logical a >> b */ -// Precondition: 0 <= b < bits_in_tword +/* Precondition: 0 <= b < bits_in_tword */ ti_int __lshrti3(ti_int a, si_int b) @@ -26,12 +27,12 @@ __lshrti3(ti_int a, si_int b) 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.high = 0; result.low = input.high >> (b - bits_in_dword); } - else // 0 <= b < bits_in_dword + else /* 0 <= b < bits_in_dword */ { if (b == 0) return a; |
