1 ;; Constraint definitions for Renesas RX.
2 ;; Copyright (C) 2008-2018 Free Software Foundation, Inc.
3 ;; Contributed by Red Hat.
5 ;; This file is part of GCC.
7 ;; GCC is free software; you can redistribute it and/or modify
8 ;; it under the terms of the GNU General Public License as published by
9 ;; the Free Software Foundation; either version 3, or (at your option)
12 ;; GCC is distributed in the hope that it will be useful,
13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ;; GNU General Public License for more details.
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with GCC; see the file COPYING3. If not see
19 ;; <http://www.gnu.org/licenses/>.
22 (define_constraint "Symbol"
23 "@internal Constraint on the type of rtx allowed in call insns"
24 (match_test "GET_CODE (op) == SYMBOL_REF")
28 (define_constraint "Int08"
29 "@internal A signed or unsigned 8-bit immediate value"
30 (and (match_code "const_int")
31 (match_test "IN_RANGE (ival, (HOST_WIDE_INT_M1U << 8), (1 << 8) - 1)")
35 (define_constraint "Sint08"
36 "@internal A signed 8-bit immediate value"
37 (and (match_code "const_int")
38 (match_test "IN_RANGE (ival, (HOST_WIDE_INT_M1U << 7), (1 << 7) - 1)")
42 (define_constraint "Sint16"
43 "@internal A signed 16-bit immediate value"
44 (and (match_code "const_int")
45 (match_test "IN_RANGE (ival, (HOST_WIDE_INT_M1U << 15), (1 << 15) - 1)")
49 (define_constraint "Sint24"
50 "@internal A signed 24-bit immediate value"
51 (and (match_code "const_int")
52 (match_test "IN_RANGE (ival, (HOST_WIDE_INT_M1U << 23), (1 << 23) - 1)")
56 ;; This constraint is used by the SUBSI3 pattern because the
57 ;; RX SUB instruction can only take a 4-bit unsigned integer
58 ;; value. Also used by the MVTIPL instruction.
59 (define_constraint "Uint04"
60 "@internal An unsigned 4-bit immediate value"
61 (and (match_code "const_int")
62 (match_test "IN_RANGE (ival, 0, 15)")
66 (define_constraint "NEGint4"
67 "@internal An signed 4-bit negative immediate value"
68 (and (match_code "const_int")
69 (match_test "IN_RANGE (ival, -15, -1)")
73 ;; This is used in arithmetic and logic instructions for
74 ;; a source operand that lies in memory and which satisfies
75 ;; rx_restricted_memory_address().
77 (define_memory_constraint "Q"
78 "A MEM which only uses REG or REG+INT addressing."
79 (and (match_code "mem")
80 (ior (match_code "reg" "0")
81 (and (match_code "plus" "0")
82 (and (match_code "reg,subreg" "00")
83 (match_code "const_int" "01")
90 (define_constraint "Rpid"
91 "A MEM to a PID variable"
92 (and (match_code "mem")
93 (and (match_code "plus" "0")
94 (and (match_code "reg,subreg" "00")
95 (match_code "unspec" "01")
101 (define_constraint "Rpda"
102 "An address to a PID variable"
103 (and (match_code "plus" "")
104 (and (match_code "reg,subreg" "0")
105 (match_code "unspec" "1")