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1 ;; Iterator definitions for GCC SH machine description files.
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2 ;; Copyright (C) 2012-2020 Free Software Foundation, Inc.
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3 ;;
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4 ;; This file is part of GCC.
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5 ;;
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6 ;; GCC is free software; you can redistribute it and/or modify
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7 ;; it under the terms of the GNU General Public License as published by
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8 ;; the Free Software Foundation; either version 3, or (at your option)
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9 ;; any later version.
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10 ;;
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11 ;; GCC is distributed in the hope that it will be useful,
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12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 ;; GNU General Public License for more details.
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15 ;;
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16 ;; You should have received a copy of the GNU General Public License
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17 ;; along with GCC; see the file COPYING3. If not see
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18 ;; <http://www.gnu.org/licenses/>.
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19
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20 (define_mode_iterator QIHISIDI [QI HI SI DI])
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21 (define_mode_iterator QIHISI [QI HI SI])
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22 (define_mode_iterator QIHI [QI HI])
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23 (define_mode_iterator HISI [HI SI])
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24 (define_mode_iterator SIDI [SI DI])
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25
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26 ;; Mode attributes that can be used as the instruction suffix for mode
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27 ;; variant instructions.
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28 (define_mode_attr bw [(QI "b") (HI "w")])
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29 (define_mode_attr bwl [(QI "b") (HI "w") (SI "l")])
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30
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31 ;; Sign/zero-extension code iterator.
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32 (define_code_iterator SZ_EXTEND [sign_extend zero_extend])
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33
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34 ;; Mode attributes for mov.b and mov.w displacement constraints.
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35 (define_mode_attr disp04 [(QI "K04") (HI "K05")])
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36 (define_mode_attr disp12 [(QI "K12") (HI "K13")])
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37
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38 ;; Return codes.
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39 (define_code_iterator any_return [return simple_return])
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40
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41 ;; Lowpart subreg byte position code attributes for big and little endian.
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42 (define_mode_attr lowpart_be [(QI "3") (HI "2")])
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43 (define_mode_attr lowpart_le [(QI "0") (HI "0")])
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44
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45 ;; Signed minimum/maximum code iterator.
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46 (define_code_iterator SMIN_SMAX [smin smax])
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