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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
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parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
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+;; Constraints for the DEC VAX port.
+;; Copyright (C) 2007-2014 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_constraint "Z0"
+ "Match a CONST_INT of 0"
+ (and (match_code "const_int")
+ (match_test "ival == 0")))
+
+(define_constraint "U06"
+ "unsigned 6 bit value (0..63)"
+ (and (match_code "const_int")
+ (match_test "0 <= ival && ival < 64")))
+
+(define_constraint "U08"
+ "Unsigned 8 bit value"
+ (and (match_code "const_int")
+ (match_test "0 <= ival && ival < 256")))
+
+(define_constraint "U16"
+ "Unsigned 16 bit value"
+ (and (match_code "const_int")
+ (match_test "0 <= ival && ival < 65536")))
+
+(define_constraint "CN6"
+ "negative 6 bit value (-63..-1)"
+ (and (match_code "const_int")
+ (match_test "-63 <= ival && ival < 0")))
+
+(define_constraint "S08"
+ "signed 8 bit value [old]"
+ (and (match_code "const_int")
+ (match_test "-128 <= ival && ival < 128")))
+
+(define_constraint "S16"
+ "signed 16 bit value [old]"
+ (and (match_code "const_int")
+ (match_test "-32768 <= ival && ival < 32768")))
+
+(define_constraint "I"
+ "Match a CONST_INT of 0 [old]"
+ (and (match_code "const_int")
+ (match_test "satisfies_constraint_Z0 (GEN_INT (ival))")))
+
+(define_constraint "J"
+ "unsigned 6 bit value [old]"
+ (and (match_code "const_int")
+ (match_test "satisfies_constraint_U06 (GEN_INT (ival))")))
+
+(define_constraint "K"
+ "signed 8 bit value [old]"
+ (and (match_code "const_int")
+ (match_test "satisfies_constraint_S08 (GEN_INT (ival))")))
+
+(define_constraint "L"
+ "signed 16 bit value [old]"
+ (and (match_code "const_int")
+ (match_test "satisfies_constraint_S16 (GEN_INT (ival))")))
+
+(define_constraint "M"
+ "Unsigned 8 bit value [old]"
+ (and (match_code "const_int")
+ (match_test "satisfies_constraint_U08 (GEN_INT (ival))")))
+
+(define_constraint "N"
+ "Unsigned 16 bit value [old]"
+ (and (match_code "const_int")
+ (match_test "satisfies_constraint_U16 (GEN_INT (ival))")))
+
+(define_constraint "O"
+ "Negative short literals (-63..-1) [old]"
+ (and (match_code "const_int")
+ (match_test "satisfies_constraint_CN6 (GEN_INT (ival))")))
+
+/* Similar, but for floating constants, and defining letters G and H. */
+
+(define_constraint "G"
+ "Match a floating-point zero"
+ (and (match_code "const_double")
+ (match_test "op == CONST0_RTX (DFmode) || op == CONST0_RTX (SFmode)")))
+
+/* Optional extra constraints for this machine. */
+
+(define_memory_constraint "Q"
+ "operand is a MEM that does not have a mode-dependent address."
+ (and (match_code "mem")
+ (match_test "!mode_dependent_address_p (XEXP (op, 0),
+ MEM_ADDR_SPACE (op))")))
+
+(define_memory_constraint "B"
+ ""
+ (and (match_operand:BLK 0 "memory_operand")
+ (not (match_operand:BLK 0 "illegal_blk_memory_operand" ""))))
+
+(define_memory_constraint "R"
+ ""
+ (and (match_operand:DI 0 "memory_operand")
+ (not (match_operand:DI 0 "illegal_addsub_di_memory_operand" ""))))
+
+(define_constraint "T"
+ "@internal satisfies CONSTANT_P and, if pic is enabled, is not a SYMBOL_REF, LABEL_REF, or CONST."
+ (and (match_test ("CONSTANT_P (op)"))
+ (ior (not (match_code "symbol_ref,label_ref,const"))
+ (match_test "!flag_pic"))))