gcc/config/frv/constraints.md

   1 ;; Constraint definitions for FRV.
   2 ;; Copyright (C) 2001-2024 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 ;; Register constraints.
  21 (define_register_constraint "a" "ACC_REGS"
  22   "@internal")
  23
  24 (define_register_constraint "b" "EVEN_ACC_REGS"
  25   "@internal")
  26
  27 (define_register_constraint "c" "CC_REGS"
  28   "@internal")
  29
  30 (define_register_constraint "d" "GPR_REGS"
  31   "@internal")
  32
  33 (define_register_constraint "e" "EVEN_REGS"
  34   "@internal")
  35
  36 (define_register_constraint "f" "FPR_REGS"
  37   "@internal")
  38
  39 (define_register_constraint "h" "FEVEN_REGS"
  40   "@internal")
  41
  42 (define_register_constraint "l" "LR_REG"
  43   "@internal")
  44
  45 (define_register_constraint "q" "QUAD_REGS"
  46   "@internal")
  47
  48 (define_register_constraint "t" "ICC_REGS"
  49   "@internal")
  50
  51 (define_register_constraint "u" "FCC_REGS"
  52   "@internal")
  53
  54 (define_register_constraint "v" "ICR_REGS"
  55   "@internal")
  56
  57 (define_register_constraint "w" "FCR_REGS"
  58   "@internal")
  59
  60 (define_register_constraint "x" "QUAD_FPR_REGS"
  61   "@internal")
  62
  63 (define_register_constraint "y" "LCR_REG"
  64   "@internal")
  65
  66 (define_register_constraint "z" "SPR_REGS"
  67   "@internal")
  68
  69 (define_register_constraint "A" "QUAD_ACC_REGS"
  70   "@internal")
  71
  72 (define_register_constraint "B" "ACCG_REGS"
  73   "@internal")
  74
  75 (define_register_constraint "C" "CR_REGS"
  76   "@internal")
  77
  78 (define_register_constraint "D89" "GR89_REGS"
  79   "@internal")
  80
  81 (define_register_constraint "D09" "GR9_REGS"
  82   "@internal")
  83
  84 (define_register_constraint "D08" "GR8_REGS"
  85   "@internal")
  86
  87 (define_register_constraint "D14" "FDPIC_FPTR_REGS"
  88   "@internal")
  89
  90 (define_register_constraint "D15" "FDPIC_REGS"
  91   "@internal")
  92
  93 (define_register_constraint "W" "FDPIC_CALL_REGS"
  94   "@internal")
  95
  96 (define_register_constraint "Z" "FDPIC_REGS"
  97   "@internal")
  98
  99 ;; Integer constraints.
 100 (define_constraint "I"
 101   "A signed 6-bit immediate."
 102   (and (match_code "const_int")
 103        (match_test "IN_RANGE (ival, -32, 31)")))
 104
 105 (define_constraint "J"
 106   "A signed 10-bit immediate."
 107   (and (match_code "const_int")
 108        (match_test "IN_RANGE (ival, -512, 511)")))
 109
 110 (define_constraint "K"
 111   "@internal"
 112   ;; Unused.
 113   (and (match_code "const_int")
 114        (match_test "0")))
 115
 116 (define_constraint "L"
 117   "A signed 16-bit immediate."
 118   (and (match_code "const_int")
 119        (match_test "IN_RANGE (ival, -32768, 32767)")))
 120
 121 (define_constraint "M"
 122   "An unsigned 16-bit immediate."
 123   (and (match_code "const_int")
 124        (match_test "IN_RANGE (ival, 0, 65535)")))
 125
 126 (define_constraint "N"
 127   "A signed 12-bit immediate that is negative."
 128   (and (match_code "const_int")
 129        (match_test "IN_RANGE (ival, -2048, -1)")))
 130
 131 (define_constraint "O"
 132   "Zero."
 133   (and (match_code "const_int")
 134        (match_test "ival == 0")))
 135
 136 (define_constraint "P"
 137   "A signed 12-bit immediate that is positive."
 138   (and (match_code "const_int")
 139        (match_test "IN_RANGE (ival, 1, 2047)")))
 140
 141 ;; Floating-point constraints.
 142 (define_constraint "G"
 143   "Floating-point zero."
 144   (and (match_code "const_double")
 145        (ior (and (match_test "mode == VOIDmode")
 146                  (match_test "hval == 0 && lval == 0"))
 147             (and (match_test "mode == SFmode || mode == DFmode")
 148                  (match_test "op == CONST0_RTX (mode)")))))
 149
 150 (define_constraint "H"
 151   "@internal"
 152   ;; Unused.
 153   (and (match_code "const_double")
 154        (match_test "0")))
 155
 156 (define_constraint "Q"
 157   "12-bit relocations."
 158   (match_test "got12_operand (op, mode)"))
 159
 160 (define_memory_constraint "R"
 161   "Double word memory ops that take one instruction."
 162   (match_test "dbl_memory_one_insn_operand (op, mode)"))
 163
 164 (define_constraint "S"
 165   "SYMBOL_REF."
 166   (match_test "CONSTANT_P (op) && call_operand (op, VOIDmode)"))
 167
 168 (define_memory_constraint "T"
 169   "Double word memory ops that take two instructions."
 170   (match_test "dbl_memory_two_insn_operand (op, mode)"))
 171
 172 (define_memory_constraint "U"
 173   "Memory operand for conditional execution."
 174   (match_test "condexec_memory_operand (op, mode)"))