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diff --git a/gcc-4.9/gcc/config/rx/constraints.md b/gcc-4.9/gcc/config/rx/constraints.md
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+;; Constraint definitions for Renesas RX.
+;; Copyright (C) 2008-2014 Free Software Foundation, Inc.
+;; Contributed by Red Hat.
+;;
+;; This file is part of GCC.
+;;
+;; GCC is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3, or (at your option)
+;; any later version.
+;;
+;; GCC is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING3.  If not see
+;; <http://www.gnu.org/licenses/>.
+
+
+(define_constraint "Symbol"
+  "@internal Constraint on the type of rtx allowed in call insns"
+  (match_test "GET_CODE (op) == SYMBOL_REF")
+)
+
+
+(define_constraint "Int08"
+  "@internal A signed or unsigned 8-bit immediate value"
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, (-1 << 8), (1 << 8) - 1)")
+  )
+)
+
+(define_constraint "Sint08"
+  "@internal A signed 8-bit immediate value"
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, (-1 << 7), (1 << 7) - 1)")
+  )
+)
+
+(define_constraint "Sint16"
+  "@internal A signed 16-bit immediate value"
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, (-1 << 15), (1 << 15) - 1)")
+  )
+)
+
+(define_constraint "Sint24"
+  "@internal A signed 24-bit immediate value"
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, (-1 << 23), (1 << 23) - 1)")
+  )
+)
+
+;; This constraint is used by the SUBSI3 pattern because the
+;; RX SUB instruction can only take a 4-bit unsigned integer
+;; value.  Also used by the MVTIPL instruction.
+(define_constraint "Uint04"
+  "@internal An unsigned 4-bit immediate value"
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, 0, 15)")
+  )
+)
+
+(define_constraint "NEGint4"
+  "@internal An signed 4-bit negative immediate value"
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, -15, -1)")
+  )
+)
+
+;; This is used in arithmetic and logic instructions for
+;; a source operand that lies in memory and which satisfies
+;; rx_restricted_memory_address().
+
+(define_memory_constraint "Q"
+  "A MEM which only uses REG or REG+INT addressing."
+  (and (match_code "mem")
+       (ior (match_code "reg" "0")
+	    (and (match_code "plus" "0")
+	         (and (match_code "reg,subreg" "00")
+		      (match_code "const_int" "01")
+		 )
+	    )
+       )
+  )
+)
+
+(define_constraint "Rpid"
+  "A MEM to a PID variable"
+  (and (match_code "mem")
+       (and (match_code "plus" "0")
+	    (and (match_code "reg,subreg" "00")
+		 (match_code "unspec" "01")
+	    )
+       )
+  )
+)
+
+(define_constraint "Rpda"
+  "An address to a PID variable"
+  (and (match_code "plus" "")
+       (and (match_code "reg,subreg" "0")
+	    (match_code "unspec" "1")
+       )
+  )
+)