[builtins] Use single line C++/C99 comment style

Use the uniform single line C++/99 style for code comments.

This is part of the cleanup proposed in "[RFC] compiler-rt builtins
cleanup and refactoring".

Differential Revision: https://reviews.llvm.org/D60352

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@359411 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 17 insertions, 20 deletions

diff --git a/lib/builtins/ashrti3.c b/lib/builtins/ashrti3.c
index 98ffefb01..f573b6d6c 100644
--- a/lib/builtins/ashrti3.c
+++ b/lib/builtins/ashrti3.c
@@ -1,36 +1,33 @@
-/* ===-- ashrti3.c - Implement __ashrti3 -----------------------------------===
- *
- * 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 __ashrti3 for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- ashrti3.c - Implement __ashrti3 -----------------------------------===//
+//
+// 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 __ashrti3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
 
 #include "int_lib.h"
 
 #ifdef CRT_HAS_128BIT
 
-/* Returns: arithmetic a >> b */
+// Returns: arithmetic a >> b
 
-/* Precondition:  0 <= b < bits_in_tword */
+// Precondition:  0 <= b < bits_in_tword
 
 COMPILER_RT_ABI ti_int __ashrti3(ti_int a, si_int b) {
   const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT);
   twords input;
   twords result;
   input.all = a;
-  if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */
-  {
-    /* result.s.high = input.s.high < 0 ? -1 : 0 */
+  if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */ {
+    // result.s.high = input.s.high < 0 ? -1 : 0
     result.s.high = input.s.high >> (bits_in_dword - 1);
     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;
@@ -39,4 +36,4 @@ COMPILER_RT_ABI ti_int __ashrti3(ti_int a, si_int b) {
   return result.all;
 }
 
-#endif /* CRT_HAS_128BIT */
+#endif // CRT_HAS_128BIT