1;; Iterator definitions for GCC SH machine description files.
2;; Copyright (C) 2012-2021 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(define_mode_iterator QIHISIDI [QI HI SI DI])
21(define_mode_iterator QIHISI [QI HI SI])
22(define_mode_iterator QIHI [QI HI])
23(define_mode_iterator HISI [HI SI])
24(define_mode_iterator SIDI [SI DI])
25
26;; Mode attributes that can be used as the instruction suffix for mode
27;; variant instructions.
28(define_mode_attr bw [(QI "b") (HI "w")])
29(define_mode_attr bwl [(QI "b") (HI "w") (SI "l")])
30
31;; Sign/zero-extension code iterator.
32(define_code_iterator SZ_EXTEND [sign_extend zero_extend])
33
34;; Mode attributes for mov.b and mov.w displacement constraints.
35(define_mode_attr disp04 [(QI "K04") (HI "K05")])
36(define_mode_attr disp12 [(QI "K12") (HI "K13")])
37
38;; Return codes.
39(define_code_iterator any_return [return simple_return])
40
41;; Lowpart subreg byte position code attributes for big and little endian.
42(define_mode_attr lowpart_be [(QI "3") (HI "2")])
43(define_mode_attr lowpart_le [(QI "0") (HI "0")])
44
45;; Signed minimum/maximum code iterator.
46(define_code_iterator SMIN_SMAX [smin smax])
47