Code style and Readability fixes. Credit to Craig van Vliet.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@78403 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/fixdfti.c b/lib/fixdfti.c
index 94fc8d3..00b6cfc 100644
--- a/lib/fixdfti.c
+++ b/lib/fixdfti.c
@@ -1,27 +1,29 @@
-//===-- fixdfti.c - Implement __fixdfti -----------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements __fixdfti for the compiler_rt library.
-//
-//===----------------------------------------------------------------------===//
+/* ===-- fixdfti.c - Implement __fixdfti -----------------------------------===
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file implements __fixdfti for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
 
 #if __x86_64
 
 #include "int_lib.h"
 
-// Returns: convert a to a signed long long, rounding toward zero.
+/* Returns: convert a to a signed long long, rounding toward zero. */
 
-// Assumption: double is a IEEE 64 bit floating point type 
-//             su_int is a 32 bit integral type
-//             value in double is representable in ti_int (no range checking performed)
+/* Assumption: double is a IEEE 64 bit floating point type 
+ *             su_int is a 32 bit integral type
+ *             value in double is representable in ti_int (no range checking performed)
+ */
 
-// seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm
+/* seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */
 
 ti_int
 __fixdfti(double a)