Use unsigned HOST_WIDE_INT, not unsigned.

From-SVN: r14402

gcc/config/rs6000/rs6000.md

@@ -1671,6 +1671,7 @@
   "bla __quous"
   [(set_attr "type" "idiv")])
 
+;; Logical instructions
 (define_insn "andsi3"
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r,r,r")
 	(and:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r,r,r")
@@ -5225,7 +5226,7 @@
 (define_split
   [(set (match_operand:SI 0 "gpc_reg_operand" "")
 	(match_operand:SI 1 "const_int_operand" ""))]
-  "(unsigned) (INTVAL (operands[1]) + 0x8000) >= 0x10000
+  "(unsigned HOST_WIDE_INT) (INTVAL (operands[1]) + 0x8000) >= 0x10000
    && (INTVAL (operands[1]) & 0xffff) != 0"
   [(set (match_dup 0)
 	(match_dup 2))