constraints.md: Also list Cs and US ARM-specific constraints as used.

2015-08-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    * config/arm/constraints.md: Also list Cs and US ARM-specific
    constraints as used.

From-SVN: r227162

gcc/ChangeLog

+2015-08-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	* config/arm/constraints.md: Also list Cs and US ARM-specific
+	constraints as used.
+
 2015-08-24  Kaz Kojima  <kkojima@gcc.gnu.org>
 
 	PR target/66609

gcc/config/arm/constraints.md

@@ -21,7 +21,7 @@
 ;; The following register constraints have been used:
 ;; - in ARM/Thumb-2 state: t, w, x, y, z
 ;; - in Thumb state: h, b
-;; - in both states: l, c, k, q, US
+;; - in both states: l, c, k, q, Cs, Ts, US
 ;; In ARM state, 'l' is an alias for 'r'
 ;; 'f' and 'v' were previously used for FPA and MAVERICK registers.