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1 ;; Constraint definitions for Visium.
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2 ;; Copyright (C) 2006-2020 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 ;; Register constraints
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21
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22 (define_register_constraint "b" "MDB"
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23 "EAM register mdb")
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24
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25 (define_register_constraint "c" "MDC"
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26 "EAM register mdc")
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27
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28 (define_register_constraint "f" "TARGET_FPU ? FP_REGS : NO_REGS"
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29 "Floating point register")
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30
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31 (define_register_constraint "k" "SIBCALL_REGS"
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32 "Register for sibcall optimization")
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33
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34 (define_register_constraint "l" "LOW_REGS"
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35 "General register, but not r29, r30 and r31")
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36
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37 (define_register_constraint "t" "R1"
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38 "Register r1")
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39
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40 (define_register_constraint "u" "R2"
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41 "Register r2")
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42
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43 (define_register_constraint "v" "R3"
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44 "Register r3")
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45
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46 ;; Immediate integer operand constraints
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47
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48 (define_constraint "J"
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49 "Integer constant in the range 0 .. 65535 (16-bit immediate)"
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50 (and (match_code "const_int")
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51 (match_test "IN_RANGE (ival, 0, 65535)")))
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52
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53 (define_constraint "K"
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54 "Integer constant in the range 1 .. 31 (5-bit immediate)"
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55 (and (match_code "const_int")
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56 (match_test "IN_RANGE (ival, 1, 31)")))
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57
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58 (define_constraint "L"
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59 "Integer constant in the range -65535 .. -1 (16-bit negative immediate)"
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60 (and (match_code "const_int")
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61 (match_test "IN_RANGE (ival, -65535, -1)")))
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62
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63 (define_constraint "M"
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64 "Integer constant -1"
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65 (and (match_code "const_int")
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66 (match_test "ival == -1")))
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67
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68 (define_constraint "O"
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69 "Integer constant 0"
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70 (and (match_code "const_int")
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71 (match_test "ival == 0")))
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72
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73 (define_constraint "P"
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74 "Integer constant 32"
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75 (and (match_code "const_int")
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76 (match_test "ival == 32")))
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77
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78 ;; Immediate FP operand constraints
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79
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80 (define_constraint "G"
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81 "Floating-point constant 0.0"
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82 (and (match_code "const_double")
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83 (match_test "op == CONST0_RTX (mode)")))
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