[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

llvm-svn: 359411

1 files changed, 13 insertions, 14 deletions

diff --git a/compiler-rt/lib/builtins/mulvsi3.c b/compiler-rt/lib/builtins/mulvsi3.c
index e974613e4ef..0d6b18ad01a 100644
--- a/compiler-rt/lib/builtins/mulvsi3.c
+++ b/compiler-rt/lib/builtins/mulvsi3.c
@@ -1,21 +1,20 @@
-/* ===-- mulvsi3.c - Implement __mulvsi3 -----------------------------------===
- *
- * 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 __mulvsi3 for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- mulvsi3.c - Implement __mulvsi3 -----------------------------------===//
+//
+// 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 __mulvsi3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
 
 #include "int_lib.h"
 
-/* Returns: a * b */
+// Returns: a * b
 
-/* Effects: aborts if a * b overflows */
+// Effects: aborts if a * b overflows
 
 COMPILER_RT_ABI si_int __mulvsi3(si_int a, si_int b) {
   const int N = (int)(sizeof(si_int) * CHAR_BIT);