gcc/config/nds32/iterators.md

   1 ;; Code and mode itertator and attribute definitions
   2 ;; of Andes NDS32 cpu for GNU compiler
   3 ;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
   4 ;; Contributed by Andes Technology Corporation.
   5 ;;
   6 ;; This file is part of GCC.
   7 ;;
   8 ;; GCC is free software; you can redistribute it and/or modify it
   9 ;; under the terms of the GNU General Public License as published
  10 ;; by the Free Software Foundation; either version 3, or (at your
  11 ;; option) any later version.
  12 ;;
  13 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
  14 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15 ;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16 ;; License for more details.
  17 ;;
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with GCC; see the file COPYING3.  If not see
  20 ;; <http://www.gnu.org/licenses/>.
  21
  22 ;;----------------------------------------------------------------------------
  23 ;; Mode iterators.
  24 ;;----------------------------------------------------------------------------
  25
  26 ;; A list of integer modes that are up to one word long.
  27 (define_mode_iterator QIHISI [QI HI SI])
  28
  29 ;; A list of integer modes for one word and double word.
  30 (define_mode_iterator SIDI [SI DI])
  31
  32 ;; A list of integer modes that are up to one half-word long.
  33 (define_mode_iterator QIHI [QI HI])
  34
  35 ;; A list of the modes that are up to double-word long.
  36 (define_mode_iterator DIDF [DI DF])
  37
  38 ;; A list of the modes that are up to one word long vector.
  39 (define_mode_iterator VQIHI [V4QI V2HI])
  40
  41 ;; A list of the modes that are up to one word long vector
  42 ;; and scalar for varies mode.
  43 (define_mode_iterator VSHI [V2HI HI])
  44 (define_mode_iterator VSQIHI [V4QI V2HI QI HI])
  45 (define_mode_iterator VSQIHIDI [V4QI V2HI QI HI DI])
  46 (define_mode_iterator VQIHIDI [V4QI V2HI DI])
  47
  48 ;; A list of the modes that are up to double-word long.
  49 (define_mode_iterator ANYF [(SF "TARGET_FPU_SINGLE")
  50                             (DF "TARGET_FPU_DOUBLE")])
  51
  52 ;;----------------------------------------------------------------------------
  53 ;; Mode attributes.
  54 ;;----------------------------------------------------------------------------
  55
  56 (define_mode_attr size [(QI "b") (HI "h") (SI "w") (SF "s") (DF "d")])
  57
  58 (define_mode_attr byte [(QI "1") (HI "2") (SI "4") (V4QI "4") (V2HI "4")])
  59
  60 (define_mode_attr bits [(V4QI "8") (QI "8") (V2HI "16") (HI "16") (DI "64")])
  61
  62 (define_mode_attr VELT [(V4QI "QI") (V2HI "HI")])
  63
  64 ;;----------------------------------------------------------------------------
  65 ;; Code iterators.
  66 ;;----------------------------------------------------------------------------
  67
  68 ;; shifts
  69 (define_code_iterator shift_rotate [ashift ashiftrt lshiftrt rotatert])
  70
  71 (define_code_iterator shifts [ashift ashiftrt lshiftrt])
  72
  73 (define_code_iterator shiftrt [ashiftrt lshiftrt])
  74
  75 (define_code_iterator sat_plus [ss_plus us_plus])
  76
  77 (define_code_iterator all_plus [plus ss_plus us_plus])
  78
  79 (define_code_iterator sat_minus [ss_minus us_minus])
  80
  81 (define_code_iterator all_minus [minus ss_minus us_minus])
  82
  83 (define_code_iterator plus_minus [plus minus])
  84
  85 (define_code_iterator extend [sign_extend zero_extend])
  86
  87 (define_code_iterator sumax [smax umax])
  88
  89 (define_code_iterator sumin [smin umin])
  90
  91 (define_code_iterator sumin_max [smax umax smin umin])
  92
  93 ;;----------------------------------------------------------------------------
  94 ;; Code attributes.
  95 ;;----------------------------------------------------------------------------
  96
  97 ;; shifts
  98 (define_code_attr shift
  99   [(ashift "ashl") (ashiftrt "ashr") (lshiftrt "lshr") (rotatert "rotr")])
 100
 101 (define_code_attr su
 102   [(ashiftrt "") (lshiftrt "u") (sign_extend "s") (zero_extend "u")])
 103
 104 (define_code_attr zs
 105   [(sign_extend "s") (zero_extend "z")])
 106
 107 (define_code_attr uk
 108   [(plus "") (ss_plus "k") (us_plus "uk")
 109    (minus "") (ss_minus "k") (us_minus "uk")])
 110
 111 (define_code_attr opcode
 112   [(plus "add") (minus "sub") (smax "smax") (umax "umax") (smin "smin") (umin "umin")])
 113
 114 (define_code_attr add_rsub
 115   [(plus "a") (minus "rs")])
 116
 117 (define_code_attr add_sub
 118   [(plus "a") (minus "s")])
 119
 120 ;;----------------------------------------------------------------------------