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diff --git a/gcc-4.9/gcc/config/tilepro/constraints.md b/gcc-4.9/gcc/config/tilepro/constraints.md
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+;; Constraint definitions for Tilera TILEPro chip.
+;; Copyright (C) 2011-2014 Free Software Foundation, Inc.
+;; Contributed by Walter Lee (walt@tilera.com)
+;;
+;; 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 "R00" "R0_REGS"  "r0")
+(define_register_constraint "R01" "R1_REGS"  "r1")
+(define_register_constraint "R02" "R2_REGS"  "r2")
+(define_register_constraint "R03" "R3_REGS"  "r3")
+(define_register_constraint "R04" "R4_REGS"  "r4")
+(define_register_constraint "R05" "R5_REGS"  "r5")
+(define_register_constraint "R06" "R6_REGS"  "r6")
+(define_register_constraint "R07" "R7_REGS"  "r7")
+(define_register_constraint "R08" "R8_REGS"  "r8")
+(define_register_constraint "R09" "R9_REGS"  "r9")
+(define_register_constraint "R10" "R10_REGS" "r10")
+
+(define_constraint "I"
+  "A signed 8 bit constant"
+  (and (match_code "const_int")
+       (match_test "ival >= -128 && ival <= 127")))
+
+(define_constraint "J"
+  "Signed 16-bit integer constant"
+  (and (match_code "const_int")
+       (match_test "ival >= -32768 && ival <= 32767")))
+
+(define_constraint "K"
+  "Nonzero integer constant with low 16 bits zero"
+  (and (match_code "const_int")
+       (match_test "ival && (ival & 0xFFFF) == 0")))
+
+(define_constraint "L"
+  "Integer constant that fits in one signed byte when incremented"
+  (and (match_code "const_int")
+       (match_test "ival >= -129 && ival <= 126")))
+
+(define_constraint "M"
+  "A bit mask suitable for 'mm'"
+  (and (match_code "const_int")
+       (match_test "tilepro_bitfield_operand_p (ival, NULL, NULL)")))
+
+(define_constraint "N"
+  "Integer constant that is a byte tiled out four times"
+  (and (match_code "const_int")
+       (match_test "(ival & 0xFFFFFFFF) == (ival & 0xFF) * 0x01010101")))
+
+(define_constraint "O"
+ "The integer zero constant"
+ (and (match_code "const_int")
+      (match_test "ival == 0")))
+
+(define_constraint "P"
+  "Integer constant that is a sign-extended byte tiled out as two shorts"
+  (and (match_code "const_int")
+       (match_test "((ival & 0xFFFFFFFF)
+                     == ((trunc_int_for_mode (ival, QImode) & 0xFFFF)
+                         * 0x00010001))")))
+
+(define_constraint "Q"
+  "Integer constant that fits in one signed byte when incremented, but not -1"
+  (and (match_code "const_int")
+       (match_test "ival >= -129 && ival <= 126 && ival != -1")))
+
+(define_constraint "T"
+  "A const symbolc operand"
+  (match_operand 0 "const_symbolic_operand"))
+
+(define_memory_constraint "U"
+  "Non-auto-incrementing memory"
+  (and (match_code "mem")
+       (match_test "GET_RTX_CLASS (GET_CODE (XEXP (op, 0))) != RTX_AUTOINC")))
+
+(define_constraint "W"
+  "A 4-element vector constant with identical elements"
+  (and (match_code "const_vector")
+       (match_test "CONST_VECTOR_NUNITS (op) == 4")
+       (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)")
+       (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 2)")
+       (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 3)")))
+
+(define_constraint "Y"
+  "A 2-element vector constant with identical elements"
+  (and (match_code "const_vector")
+       (match_test "CONST_VECTOR_NUNITS (op) == 2")
+       (match_test "CONST_VECTOR_ELT (op, 0) == CONST_VECTOR_ELT (op, 1)")))