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/fixdfdi.c b/lib/fixdfdi.c
index 87368b7..fa5dd89 100644
--- a/lib/fixdfdi.c
+++ b/lib/fixdfdi.c
@@ -1,25 +1,27 @@
-//===-- fixdfdi.c - Implement __fixdfdi -----------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements __fixdfdi for the compiler_rt library.
-//
-//===----------------------------------------------------------------------===//
+/* ===-- fixdfdi.c - Implement __fixdfdi -----------------------------------===
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file implements __fixdfdi for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
 
 #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 di_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 di_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 */
 
 di_int
 __fixdfdi(double a)
@@ -38,4 +40,4 @@
     else
         r.all >>= (52 - e);
     return (r.all ^ s) - s;
-}
+}