47 lines
1.7 KiB
Markdown
47 lines
1.7 KiB
Markdown
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;; Iterator definitions for GCC SH machine description files.
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;; Copyright (C) 2012-2021 Free Software Foundation, Inc.
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;;
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;; This file is part of GCC.
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;;
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;; GCC is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; GCC is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3. If not see
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;; <http://www.gnu.org/licenses/>.
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(define_mode_iterator QIHISIDI [QI HI SI DI])
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(define_mode_iterator QIHISI [QI HI SI])
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(define_mode_iterator QIHI [QI HI])
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(define_mode_iterator HISI [HI SI])
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(define_mode_iterator SIDI [SI DI])
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;; Mode attributes that can be used as the instruction suffix for mode
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;; variant instructions.
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(define_mode_attr bw [(QI "b") (HI "w")])
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(define_mode_attr bwl [(QI "b") (HI "w") (SI "l")])
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;; Sign/zero-extension code iterator.
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(define_code_iterator SZ_EXTEND [sign_extend zero_extend])
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;; Mode attributes for mov.b and mov.w displacement constraints.
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(define_mode_attr disp04 [(QI "K04") (HI "K05")])
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(define_mode_attr disp12 [(QI "K12") (HI "K13")])
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;; Return codes.
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(define_code_iterator any_return [return simple_return])
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;; Lowpart subreg byte position code attributes for big and little endian.
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(define_mode_attr lowpart_be [(QI "3") (HI "2")])
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(define_mode_attr lowpart_le [(QI "0") (HI "0")])
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;; Signed minimum/maximum code iterator.
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(define_code_iterator SMIN_SMAX [smin smax])
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