--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/tilegx/predicates.md	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,290 @@
+;; Predicate definitions for Tilera TILE-Gx.
+;; Copyright (C) 2011-2017 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/>.
+
+;; Return true if OP is the zero constant for MODE.
+(define_predicate "const_zero_operand"
+  (and (match_code "const_int,const_double,const_vector")
+       (match_test "op == CONST0_RTX (mode)")))
+
+;; Returns true if OP is either the constant zero or a register.
+(define_predicate "reg_or_0_operand"
+  (and (ior (match_operand 0 "register_operand")
+	    (match_operand 0 "const_zero_operand"))
+       (match_test "GET_MODE_SIZE (mode) <= UNITS_PER_WORD")))
+
+; Return 1 if OP is a valid Pmode pointer.
+(define_predicate "pointer_operand"
+  (and (match_operand 0 "address_operand")
+       (ior (match_operand 0 "pmode_register_operand")
+	    (match_operand 0 "const_zero_operand"))))
+
+; Return 1 if OP is a network register identifier.
+(define_predicate "netreg_operand"
+  (and (match_code "const_int")
+       (match_test "IN_RANGE (INTVAL (op), 0, 5)")))
+
+; Return 1 if OP is an unsigned 6-bit constant.
+(define_predicate "u6bit_cint_operand"
+  (and (match_code "const_int")
+       (match_test "INTVAL (op) == (INTVAL (op) & 0x3F)")))
+
+;; Return 1 if OP is an unsigned 16-bit constant.
+(define_predicate "u16bit_cint_operand"
+  (and (match_code "const_int")
+       (match_test "(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 16)")))
+
+;; Return 1 if OP is a signed 8-bit constant.
+(define_predicate "s8bit_cint_operand"
+  (and (match_code "const_int")
+       (match_test "satisfies_constraint_I (op)")))
+
+;; Return 1 if OP is a signed 16-bit constant.
+(define_predicate "s16bit_cint_operand"
+  (and (match_code "const_int")
+       (match_test "satisfies_constraint_J (op)")))
+
+;; Return 1 if OP is an unsigned 14-bit constant.
+(define_predicate "u14bit_cint_operand"
+  (and (match_code "const_int")
+       (match_test "(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 14)")))
+
+;; Return 1 if OP is a constant or any register.
+(define_predicate "reg_or_cint_operand"
+  (ior (match_operand 0 "register_operand")
+       (match_operand 0 "const_int_operand")))
+
+;; Returns 1 if OP is a "last" unspec wrapper for a symbol, got, or
+;; tls reference.
+(define_predicate "const_last_symbolic_operand"
+  (and (match_code "const")
+       (match_test "GET_CODE (XEXP (op,0)) == UNSPEC")
+       (ior (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_LAST")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW2_LAST")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_PCREL")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW2_LAST_PCREL")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_LAST_GOT")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_GOT")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_TLS_GD")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_TLS_IE")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_TLS_LE")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_PLT_PCREL")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW2_LAST_PLT_PCREL"))))
+
+;; Returns 1 if OP is an unspec wrapper for a symbol, got, or tls
+;; reference.
+(define_predicate "const_symbolic_operand"
+  (and (match_code "const")
+       (match_test "GET_CODE (XEXP (op,0)) == UNSPEC")
+       (ior (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW2")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW3")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_PCREL")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_PCREL")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_GOT")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_TLS_GD")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_TLS_IE")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_TLS_LE")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW0_PLT_PCREL")
+	    (match_test "XINT (XEXP (op,0), 1) == UNSPEC_HW1_PLT_PCREL"))))
+
+;; Return 1 if OP is a 8-element vector constant with identical signed
+;; 8-bit elements or any register.
+(define_predicate "reg_or_v8s8bit_operand"
+  (ior (match_operand 0 "register_operand")
+       (and (match_code "const_vector")
+	    (match_test "CONST_VECTOR_NUNITS (op) == 8
+                         && (satisfies_constraint_I
+			     (unwrap_const_vec_duplicate (op)))"))))
+
+;; Return 1 if OP is a 4-element vector constant with identical signed
+;; 8-bit elements or any register.
+(define_predicate "reg_or_v4s8bit_operand"
+  (ior (match_operand 0 "register_operand")
+       (and (match_code "const_vector")
+	    (match_test "CONST_VECTOR_NUNITS (op) == 4
+                         && (satisfies_constraint_I
+			     (unwrap_const_vec_duplicate (op)))"))))
+
+;; Return 1 if the operand is a valid second operand to an add insn.
+(define_predicate "add_operand"
+  (if_then_else (match_code "const_int")
+    (match_test "satisfies_constraint_J (op)")
+    (ior (match_operand 0 "register_operand")
+	 (match_operand 0 "const_last_symbolic_operand"))))
+
+;; Return 1 if the operand is a register or signed 8-bit immediate operand.
+(define_predicate "reg_or_s8bit_operand"
+  (if_then_else (match_code "const_int")
+    (match_test "satisfies_constraint_I (op)")
+    (match_operand 0 "register_operand")))
+
+;; Return 1 if the operand is a register or unsigned 5-bit immediate operand.
+(define_predicate "reg_or_u5bit_operand"
+  (if_then_else (match_code "const_int")
+    (match_test "INTVAL (op) == (INTVAL (op) & 0x1F)")
+    (match_operand 0 "register_operand")))
+
+;; Return 1 if the operand is a register or unsigned 6-bit immediate operand.
+(define_predicate "reg_or_u6bit_operand"
+  (if_then_else (match_code "const_int")
+    (match_test "INTVAL (op) == (INTVAL (op) & 0x3F)")
+    (match_operand 0 "register_operand")))
+
+;; Return 1 for an operand suitable for ANDing with a register.
+(define_predicate "and_operand"
+  (if_then_else (match_code "const_int")
+    (match_test "satisfies_constraint_I (op) || satisfies_constraint_M (op)")
+    (match_operand 0 "register_operand")))
+
+; Return 1 if the operand is 2, 4 or 8.
+(define_predicate "cint_248_operand"
+  (and (match_code "const_int")
+       (match_test
+        "INTVAL (op) == 2 || INTVAL (op) == 4 || INTVAL (op) == 8")))
+
+;; Return true if OP is a TLS symbolic operand.
+(define_predicate "tls_symbolic_operand"
+  (and (match_code "symbol_ref")
+       (match_test "SYMBOL_REF_TLS_MODEL (op) !=  TLS_MODEL_NONE")))
+
+;; Return true if OP is a symbolic operand for the TLS Global Dynamic model.
+(define_predicate "tls_gd_symbolic_operand"
+  (and (match_code "symbol_ref")
+       (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_GLOBAL_DYNAMIC")))
+
+;; Return true if OP is a symbolic operand for the TLS Local Dynamic model.
+(define_predicate "tls_ld_symbolic_operand"
+  (and (match_code "symbol_ref")
+       (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_DYNAMIC")))
+
+;; Return true if OP is a symbolic operand that can be used for the
+;; TLS Initial Exec model.
+(define_predicate "tls_ie_symbolic_operand"
+  (and (match_code "symbol_ref")
+       (ior (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_INITIAL_EXEC")
+            (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC"))))
+
+;; Return true if OP is a symbolic operand for the TLS Local Exec model.
+(define_predicate "tls_le_symbolic_operand"
+  (and (match_code "symbol_ref")
+       (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC")))
+
+;; Returns true if OP is any general operand except for an
+;; auto-incrementing address operand.
+(define_predicate "nonautoinc_operand"
+  (and (match_operand 0 "general_operand")
+       (not (ior (match_code "pre_dec") (match_code "pre_inc")
+		 (match_code "post_dec") (match_code "post_inc")
+		 (match_code "post_modify") (match_code "pre_modify")))))
+ 
+;; Returns true if OP is a non-auto-incrementing memory operand.
+(define_predicate "nonautoincmem_operand"
+  (match_operand 0 "memory_operand")
+{
+  return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
+})
+
+;; Returns true if OP is a non-auto-incrementing memory, general
+;; operand.
+(define_predicate "nonautoincmem_general_operand"
+  (match_operand 0 "general_operand")
+{
+  if (memory_operand (op, mode))
+    return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
+  else
+    return true;
+})
+ 
+;; Returns true if OP is a non-auto-incrementing memory, non-immediate
+;; operand.
+(define_predicate "nonautoincmem_nonimmediate_operand"
+  (match_operand 0 "nonimmediate_operand")
+{
+  if (memory_operand (op, mode))
+    return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
+  else
+    return true;
+})
+ 
+;; Return true if OP is a valid operand for the source of a move insn.
+(define_predicate "move_operand"
+  (match_operand 0 "general_operand")
+{
+  /* If both modes are non-void they must be the same.  */
+  if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op))
+    return false;
+
+  switch (GET_CODE (op))
+    {
+    case CONST_INT:
+      return (satisfies_constraint_J (op)
+              || satisfies_constraint_K (op)
+              || (mode == DImode &&
+                  (satisfies_constraint_N (op)
+                   || satisfies_constraint_P (op))));
+
+    case MEM:
+      return memory_address_p (mode, XEXP (op, 0));
+
+    case CONST:
+      return const_last_symbolic_operand (op, mode);
+
+    default:
+      return register_operand (op, mode);
+    }
+})
+
+;; Returns 1 if OP is a symbolic operand, i.e. a symbol_ref or a label_ref,
+;; possibly with an offset.
+(define_predicate "symbolic_operand"
+  (ior (match_code "symbol_ref,label_ref")
+       (and (match_code "const")
+	    (match_test "GET_CODE (XEXP (op,0)) == PLUS
+			 && (GET_CODE (XEXP (XEXP (op,0), 0)) == SYMBOL_REF
+			     || GET_CODE (XEXP (XEXP (op,0), 0)) == LABEL_REF)
+			 && CONST_INT_P (XEXP (XEXP (op,0), 1))"))))
+
+;; Return 1 for an unsigned 16 bit or a const symbolc operand.
+(define_predicate "u16bit_or_const_symbolic_operand"
+  (ior (match_operand 0 "u16bit_cint_operand")
+       (match_operand 0 "const_symbolic_operand")))
+
+;; Return true if OP is an address suitable for a call insn.
+;; Call insn on TILE can take a PC-relative constant address
+;; or any regular memory address.
+(define_predicate "call_address_operand"
+  (ior (match_operand 0 "symbolic_operand")
+       (match_test "memory_address_p (Pmode, op)")))
+
+;; Return true if OP is an operand suitable for a call insn.
+(define_predicate "call_operand"
+  (and (match_code "mem")
+       (match_test "call_address_operand (XEXP (op, 0), mode)")))
+
+;; Return 1 if OP is a signed comparison operation.
+;; We can use these directly in compares against zero.
+(define_predicate "signed_comparison_operator"
+  (match_code "eq,ne,le,lt,ge,gt"))
+
+;; Return 1 if OP is a equal or not-equal operation.
+(define_predicate "eqne_operator"
+  (match_code "eq,ne"))