diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 003f01206072..daa0458c6f2a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2016-12-16  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	* config/arm/arm.c (thumb_core_reg_alloc_order): Swap R12 and R14.
+
 2016-12-16  Claudiu Zissulescu  <claziss@synopsys.com>
 
 	* config/arc/arc.md (call_prof): Remove.
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 899c001bf897..d0104f99a2e9 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -27633,7 +27633,7 @@ arm_mangle_type (const_tree type)
 static const int thumb_core_reg_alloc_order[] =
 {
    3,  2,  1,  0,  4,  5,  6,  7,
-  14, 12,  8,  9, 10, 11
+  12, 14,  8,  9, 10, 11
 };
 
 /* Adjust register allocation order when compiling for Thumb.  */