arm.c (optimal_immediate_sequence_1): Make b1, b2, b3 and b4 unsigned.

2011-08-30  Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* config/arm/arm.c (optimal_immediate_sequence_1): Make b1, b2,
	b3 and b4 unsigned.

From-SVN: r178324

gcc/ChangeLog

 2011-08-30  Andrew Stubbs  <ams@codesourcery.com>
 
+	* config/arm/arm.c (optimal_immediate_sequence_1): Make b1, b2,
+	b3 and b4 unsigned.
+
+2011-08-30  Andrew Stubbs  <ams@codesourcery.com>
+
 	* config/arm/arm.c (arm_gen_constant): Set can_negate correctly
 	when code is SET.
 

gcc/config/arm/arm.c

@@ -2624,7 +2624,7 @@ optimal_immediate_sequence_1 (enum rtx_code code, unsigned HOST_WIDE_INT val,
   do
     {
       int end;
-      int b1, b2, b3, b4;
+      unsigned int b1, b2, b3, b4;
       unsigned HOST_WIDE_INT result;
       int loc;