[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, 18 insertions, 20 deletions

diff --git a/compiler-rt/lib/builtins/divdi3.c b/compiler-rt/lib/builtins/divdi3.c
index 0639c384094..ee08d655778 100644
--- a/compiler-rt/lib/builtins/divdi3.c
+++ b/compiler-rt/lib/builtins/divdi3.c
@@ -1,27 +1,25 @@
-/* ===-- divdi3.c - Implement __divdi3 -------------------------------------===
- *
- * 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 __divdi3 for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- divdi3.c - Implement __divdi3 -------------------------------------===//
+//
+// 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 __divdi3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
 
 #include "int_lib.h"
 
-/* Returns: a / b */
+// Returns: a / b
 
 COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b) {
   const int bits_in_dword_m1 = (int)(sizeof(di_int) * CHAR_BIT) - 1;
-  di_int s_a = a >> bits_in_dword_m1; /* s_a = a < 0 ? -1 : 0 */
-  di_int s_b = b >> bits_in_dword_m1; /* s_b = b < 0 ? -1 : 0 */
-  a = (a ^ s_a) - s_a;                /* negate if s_a == -1 */
-  b = (b ^ s_b) - s_b;                /* negate if s_b == -1 */
-  s_a ^= s_b;                         /*sign of quotient */
-  return (__udivmoddi4(a, b, (du_int *)0) ^ s_a) -
-         s_a; /* negate if s_a == -1 */
+  di_int s_a = a >> bits_in_dword_m1;                   // s_a = a < 0 ? -1 : 0
+  di_int s_b = b >> bits_in_dword_m1;                   // s_b = b < 0 ? -1 : 0
+  a = (a ^ s_a) - s_a;                                  // negate if s_a == -1
+  b = (b ^ s_b) - s_b;                                  // negate if s_b == -1
+  s_a ^= s_b;                                           // sign of quotient
+  return (__udivmoddi4(a, b, (du_int *)0) ^ s_a) - s_a; // negate if s_a == -1
 }