[ARC] Fix conditional move contstraint

Move pattern (movsi_insn) allows predicated instructions to be
instructions which can hold all registers.  However, the conditional
variant doesn't.  This patch fixes this problem.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.md (movsi_cond_exec): Update constraint.

From-SVN: r246088

gcc/ChangeLog

 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
 
+	* config/arc/arc.md (movsi_cond_exec): Update constraint.
+
+2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
+
 	* config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
 	expressions with MINUS and UNARY ops.
 

gcc/config/arc/arc.md

@@ -3646,7 +3646,7 @@
      (match_operator 3 "proper_comparison_operator"
        [(match_operand 2 "cc_register" "Rcc,Rcc") (const_int 0)])
      (set (match_operand:SI 0 "dest_reg_operand" "=w,w")
-	  (match_operand:SI 1 "nonmemory_operand" "Lc,?Cal")))]
+	  (match_operand:SI 1 "nonmemory_operand" "LRac,?Cal")))]
   ""
   "mov.%d3 %0,%S1"
   [(set_attr "type" "cmove")