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diff --git a/gcc-4.9/gcc/config/v850/constraints.md b/gcc-4.9/gcc/config/v850/constraints.md
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+;; Constraint definitions for V850.
+;; Copyright (C) 2011-2014 Free Software Foundation, Inc.
+;;
+;; 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_register_constraint "e" "EVEN_REGS"
+  "@internal")
+
+;; Integer constraints.
+(define_constraint "I"
+  "Integer constant 0."
+  (and (match_code "const_int")
+       (match_test "ival == 0")))
+
+(define_constraint "J"
+  "A signed 5-bit immediate."
+  (and (match_code "const_int")
+       (match_test "ival >= -16 && ival <= 15")))
+
+(define_constraint "K"
+  "A signed 16-bit immediate."
+  (and (match_code "const_int")
+       (match_test "ival >= -32768 && ival <= 32767")))
+
+(define_constraint "L"
+  "A valid constant for a movhi instruction."
+  (and (match_code "const_int")
+       (ior (match_test "(ival | 0x7fff0000) == 0x7fff0000")
+	    (match_test "(ival | 0x7fff0000) + 0x10000 == 0"))))
+
+(define_constraint "M"
+  "An unsigned 16-bit immediate."
+  (and (match_code "const_int")
+       (match_test "ival >= 0 && ival <= 65535")))
+
+(define_constraint "N"
+  "An unsigned 5-bit immediate in shift instructions."
+  (and (match_code "const_int")
+       (match_test "ival >= 0 && ival <= 31")))
+
+(define_constraint "O"
+  "A signed 9-bit immediate for word multiply instructions."
+  (and (match_code "const_int")
+       (match_test "ival >= -255 && ival <= 255")))
+
+(define_constraint "P"
+  "@internal"
+  (and (match_code "const_int")
+       (match_test "0")))
+
+;; Floating-point constraints.
+(define_constraint "G"
+  "A zero of some form."
+  (and (match_code "const_double")
+       (ior (match_test "GET_MODE_CLASS (mode) == MODE_FLOAT")
+	    (match_test "GET_MODE_CLASS (mode) == MODE_INT"))
+       (match_test "op == CONST0_RTX (mode)")))
+
+(define_constraint "H"
+  "@internal"
+  (and (match_code "const_double")
+       (match_test "0")))
+
+;;; Extra constraints.
+(define_memory_constraint "Q"
+  "A memory address that does not contain a symbol address."
+  (and (match_code "mem")
+       (match_test "ep_memory_operand (op, mode, FALSE)")))
+
+(define_constraint "R"
+  "@internal"
+  (match_test "special_symbolref_operand (op, VOIDmode)"))
+
+(define_constraint "S"
+  "@internal"
+  (and (match_code "symbol_ref")
+       (match_test "!SYMBOL_REF_ZDA_P (op)")))
+
+(define_constraint "T"
+  "@internal"
+  (match_test "ep_memory_operand (op, mode, TRUE)"))
+
+(define_constraint "U"
+  "@internal"
+  (ior (and (match_code "symbol_ref")
+	    (match_test "SYMBOL_REF_ZDA_P (op)"))
+       (and (match_code "const")
+	    (match_test "GET_CODE (XEXP (op, 0)) == PLUS")
+	    (match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == SYMBOL_REF")
+	    (match_test "SYMBOL_REF_ZDA_P (XEXP (XEXP (op, 0), 0))"))))
+
+(define_constraint "W"
+  "@internal"
+  (match_test "disp23_operand (op, VOIDmode)"))