1;; Constraint definitions for the FR30.
2;; Copyright (C) 2011-2018 Free Software Foundation, Inc.
3
4;; This file is part of GCC.
5
6;; GCC is free software; you can redistribute it and/or modify
7;; it under the terms of the GNU General Public License as published by
8;; the Free Software Foundation; either version 3, or (at your option)
9;; any later version.
10
11;; GCC is distributed in the hope that it will be useful,
12;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14;; GNU General Public License for more details.
15
16;; You should have received a copy of the GNU General Public License
17;; along with GCC; see the file COPYING3.  If not see
18;; <http://www.gnu.org/licenses/>.
19
20;; Register constraints.
21(define_register_constraint "d" "MULTIPLY_64_REG"
22  "The MDH,MDL register pair as used by MUL and MULU.")
23
24(define_register_constraint "e" "MULTIPLY_32_REG"
25  "The MDL register as used by MULH and MULUH.")
26
27(define_register_constraint "h" "HIGH_REGS"
28  "Registers 8 through 15.")
29
30(define_register_constraint "l" "LOW_REGS"
31  "Registers 0 through 7.")
32
33(define_register_constraint "a" "ALL_REGS"
34  "@internal")
35
36;; Integer constraints.
37(define_constraint "I"
38  "An integer in the range 0 to 15."
39  (and (match_code "const_int")
40       (match_test "IN_RANGE (ival, 0, 15)")))
41
42(define_constraint "J"
43  "An integer in the range -16 to -1."
44  (and (match_code "const_int")
45       (match_test "IN_RANGE (ival, -16, -1)")))
46
47(define_constraint "K"
48  "An integer in the range 16 to 31."
49  (and (match_code "const_int")
50       (match_test "IN_RANGE (ival, 16, 31)")))
51
52(define_constraint "L"
53  "An integer in the range 0 to 255."
54  (and (match_code "const_int")
55       (match_test "IN_RANGE (ival, 0, 255)")))
56
57(define_constraint "M"
58  "An integer in the range 0 to 1048575."
59  (and (match_code "const_int")
60       (match_test "IN_RANGE (ival, 0, 1048575)")))
61
62(define_constraint "P"
63  "An integer in the range -256 to 255."
64  (and (match_code "const_int")
65       (match_test "IN_RANGE (ival, -256, 255)")))
66
67;; Extra constraints.
68(define_constraint "Q"
69  "@internal"
70  (and (match_code "mem")
71       (match_code "symbol_ref" "0")))
72