121 lines
4.0 KiB
Markdown
121 lines
4.0 KiB
Markdown
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;; Code and mode itertator and attribute definitions
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;; of Andes NDS32 cpu for GNU compiler
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;; Copyright (C) 2012-2021 Free Software Foundation, Inc.
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;; Contributed by Andes Technology Corporation.
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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 it
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;; under the terms of the GNU General Public License as published
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;; by the Free Software Foundation; either version 3, or (at your
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;; option) any later version.
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;;
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;; GCC is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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;; 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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;;----------------------------------------------------------------------------
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;; Mode iterators.
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;;----------------------------------------------------------------------------
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;; A list of integer modes that are up to one word long.
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(define_mode_iterator QIHISI [QI HI SI])
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;; A list of integer modes for one word and double word.
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(define_mode_iterator SIDI [SI DI])
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;; A list of integer modes that are up to one half-word long.
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(define_mode_iterator QIHI [QI HI])
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;; A list of the modes that are up to double-word long.
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(define_mode_iterator DIDF [DI DF])
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;; A list of the modes that are up to one word long vector.
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(define_mode_iterator VQIHI [V4QI V2HI])
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;; A list of the modes that are up to one word long vector
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;; and scalar for varies mode.
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(define_mode_iterator VSHI [V2HI HI])
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(define_mode_iterator VSQIHI [V4QI V2HI QI HI])
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(define_mode_iterator VSQIHIDI [V4QI V2HI QI HI DI])
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(define_mode_iterator VQIHIDI [V4QI V2HI DI])
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;; A list of the modes that are up to double-word long.
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(define_mode_iterator ANYF [(SF "TARGET_FPU_SINGLE")
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(DF "TARGET_FPU_DOUBLE")])
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;;----------------------------------------------------------------------------
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;; Mode attributes.
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;;----------------------------------------------------------------------------
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(define_mode_attr size [(QI "b") (HI "h") (SI "w") (SF "s") (DF "d")])
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(define_mode_attr byte [(QI "1") (HI "2") (SI "4") (V4QI "4") (V2HI "4")])
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(define_mode_attr bits [(V4QI "8") (QI "8") (V2HI "16") (HI "16") (DI "64")])
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(define_mode_attr VELT [(V4QI "QI") (V2HI "HI")])
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;;----------------------------------------------------------------------------
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;; Code iterators.
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;;----------------------------------------------------------------------------
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;; shifts
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(define_code_iterator shift_rotate [ashift ashiftrt lshiftrt rotatert])
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(define_code_iterator shifts [ashift ashiftrt lshiftrt])
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(define_code_iterator shiftrt [ashiftrt lshiftrt])
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(define_code_iterator sat_plus [ss_plus us_plus])
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(define_code_iterator all_plus [plus ss_plus us_plus])
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(define_code_iterator sat_minus [ss_minus us_minus])
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(define_code_iterator all_minus [minus ss_minus us_minus])
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(define_code_iterator plus_minus [plus minus])
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(define_code_iterator extend [sign_extend zero_extend])
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(define_code_iterator sumax [smax umax])
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(define_code_iterator sumin [smin umin])
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(define_code_iterator sumin_max [smax umax smin umin])
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;;----------------------------------------------------------------------------
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;; Code attributes.
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;;----------------------------------------------------------------------------
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;; shifts
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(define_code_attr shift
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[(ashift "ashl") (ashiftrt "ashr") (lshiftrt "lshr") (rotatert "rotr")])
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(define_code_attr su
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[(ashiftrt "") (lshiftrt "u") (sign_extend "s") (zero_extend "u")])
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(define_code_attr zs
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[(sign_extend "s") (zero_extend "z")])
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(define_code_attr uk
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[(plus "") (ss_plus "k") (us_plus "uk")
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(minus "") (ss_minus "k") (us_minus "uk")])
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(define_code_attr opcode
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[(plus "add") (minus "sub") (smax "smax") (umax "umax") (smin "smin") (umin "umin")])
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(define_code_attr add_rsub
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[(plus "a") (minus "rs")])
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(define_code_attr add_sub
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[(plus "a") (minus "s")])
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;;----------------------------------------------------------------------------
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