lib: Rename endianness.h to int_endianness.h (for consistency) and tidy up a bit.

llvm-svn: 144669

compiler-rt/lib/int_endianness.h

@@ -1,4 +1,4 @@
-/* ===-- endianness.h - configuration header for compiler-rt ---------------===
+/* ===-- int_endianness.h - configuration header for compiler-rt ------------===
  *
  *		       The LLVM Compiler Infrastructure
  *
@@ -13,13 +13,8 @@
  * ===----------------------------------------------------------------------===
  */
 
-#ifndef ENDIANNESS_H
-#define ENDIANNESS_H
-
-/*
- * Known limitations:
- *   Middle endian systems are not handled currently.
- */
+#ifndef INT_ENDIANNESS_H
+#define INT_ENDIANNESS_H
 
 #if defined(__SVR4) && defined(__sun)
 #include <sys/byteorder.h>
@@ -91,4 +86,4 @@
 #error Unable to determine endian
 #endif /* Check we found an endianness correctly. */
 
-#endif /* ENDIANNESS_H */
+#endif /* INT_ENDIANNESS_H */

compiler-rt/lib/int_lib.h

@@ -16,6 +16,10 @@
 #ifndef INT_LIB_H
 #define INT_LIB_H
 
+/* Assumption: Signed integral is 2's complement. */
+/* Assumption: Right shift of signed negative is arithmetic shift. */
+/* Assumption: Endianness is little or big (not mixed). */
+
 /* ABI macro definitions */
 
 #if __ARM_EABI__
@@ -27,12 +31,8 @@
 # define COMPILER_RT_ABI
 #endif
 
-/* Assumption:  signed integral is 2's complement */
-/* Assumption:  right shift of signed negative is arithmetic shift */
-
 #include <limits.h>
 #include <stdint.h>
-#include "endianness.h"
 #include <math.h>
 
 /* If compiling for kernel use, call panic() instead of abort(). */

compiler-rt/lib/int_types.h

@@ -18,7 +18,7 @@
 #ifndef INT_TYPES_H
 #define INT_TYPES_H
 
-#include "endianness.h"
+#include "int_endianness.h"
 
 typedef      int si_int;
 typedef unsigned su_int;