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+;; Constraint definitions for the FR30.
+;; 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/>.
+
+;; Register constraints.
+(define_register_constraint "d" "MULTIPLY_64_REG"
+  "The MDH,MDL register pair as used by MUL and MULU.")
+
+(define_register_constraint "e" "MULTIPLY_32_REG"
+  "The MDL register as used by MULH and MULUH.")
+
+(define_register_constraint "h" "HIGH_REGS"
+  "Registers 8 through 15.")
+
+(define_register_constraint "l" "LOW_REGS"
+  "Registers 0 through 7.")
+
+(define_register_constraint "a" "ALL_REGS"
+  "@internal")
+
+;; Integer constraints.
+(define_constraint "I"
+  "An integer in the range 0 to 15."
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, 0, 15)")))
+
+(define_constraint "J"
+  "An integer in the range -16 to -1."
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, -16, -1)")))
+
+(define_constraint "K"
+  "An integer in the range 16 to 31."
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, 16, 31)")))
+
+(define_constraint "L"
+  "An integer in the range 0 to 255."
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, 0, 255)")))
+
+(define_constraint "M"
+  "An integer in the range 0 to 1048575."
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, 0, 1048575)")))
+
+(define_constraint "P"
+  "An integer in the range -256 to 255."
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (ival, -256, 255)")))
+
+;; Extra constraints.
+(define_constraint "Q"
+  "@internal"
+  (and (match_code "mem")
+       (match_code "symbol_ref" "0")))