[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, 21 insertions, 24 deletions

diff --git a/compiler-rt/lib/builtins/floatundixf.c b/compiler-rt/lib/builtins/floatundixf.c
index 7c899385e77..85264adac19 100644
--- a/compiler-rt/lib/builtins/floatundixf.c
+++ b/compiler-rt/lib/builtins/floatundixf.c
@@ -1,40 +1,37 @@
-/* ===-- floatundixf.c - Implement __floatundixf ---------------------------===
- *
- * 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 __floatundixf for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- floatundixf.c - Implement __floatundixf ---------------------------===//
+//
+// 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 __floatundixf for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
 
 #if !_ARCH_PPC
 
 #include "int_lib.h"
 
-/* Returns: convert a to a long double, rounding toward even. */
+// Returns: convert a to a long double, rounding toward even.
 
-/* Assumption: long double is a IEEE 80 bit floating point type padded to 128
- * bits du_int is a 64 bit integral type
- */
+// Assumption: long double is a IEEE 80 bit floating point type padded to 128
+// bits du_int is a 64 bit integral type
 
-/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee
- * eeee | 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm
- * mmmm mmmm mmmm
- */
+// gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee
+// eeee | 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm
+// mmmm mmmm mmmm
 COMPILER_RT_ABI long double __floatundixf(du_int a) {
   if (a == 0)
     return 0.0;
   const unsigned N = sizeof(du_int) * CHAR_BIT;
   int clz = __builtin_clzll(a);
-  int e = (N - 1) - clz; /* exponent */
+  int e = (N - 1) - clz; // exponent
   long_double_bits fb;
-  fb.u.high.s.low = (e + 16383); /* exponent */
-  fb.u.low.all = a << clz;       /* mantissa */
+  fb.u.high.s.low = (e + 16383); // exponent
+  fb.u.low.all = a << clz;       // mantissa
   return fb.f;
 }
 
-#endif /* _ARCH_PPC */
+#endif // _ARCH_PPC