Move abi bits to separate header. Force AAPCS for EABI in accordance with ARM RTABI.

llvm-svn: 129769
diff --git a/compiler-rt/lib/clzdi2.c b/compiler-rt/lib/clzdi2.c
index 2132777..c281945 100644
--- a/compiler-rt/lib/clzdi2.c
+++ b/compiler-rt/lib/clzdi2.c
@@ -1,6 +1,6 @@
 /* ===-- clzdi2.c - Implement __clzdi2 -------------------------------------===
  *
- *      	       The LLVM Compiler Infrastructure
+ *               The LLVM Compiler Infrastructure
  *
  * This file is dual licensed under the MIT and the University of Illinois Open
  * Source Licenses. See LICENSE.TXT for details.
@@ -11,6 +11,7 @@
  *
  * ===----------------------------------------------------------------------===
  */
+#include "abi.h"
 
 #include "int_lib.h"
 
@@ -18,7 +19,7 @@
 
 /* Precondition: a != 0 */
 
-si_int
+COMPILER_RT_ABI si_int
 __clzdi2(di_int a)
 {
     dwords x;