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111
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1 ;; Predicate definitions for Tilera TILEPro chip.
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2 ;; Copyright (C) 2011-2017 Free Software Foundation, Inc.
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3 ;; Contributed by Walter Lee (walt@tilera.com)
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4 ;;
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5 ;; This file is part of GCC.
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6 ;;
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7 ;; GCC is free software; you can redistribute it and/or modify it
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8 ;; under the terms of the GNU General Public License as published
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9 ;; by the Free Software Foundation; either version 3, or (at your
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10 ;; option) any later version.
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11 ;;
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12 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
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13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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14 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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15 ;; License for more details.
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16 ;;
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17 ;; You should have received a copy of the GNU General Public License
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18 ;; along with GCC; see the file COPYING3. If not see
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19 ;; <http://www.gnu.org/licenses/>.
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20
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21 ;; Return true if OP is the zero constant for MODE.
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22 (define_predicate "const_zero_operand"
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23 (and (match_code "const_int,const_double,const_vector")
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24 (match_test "op == CONST0_RTX (mode)")))
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25
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26 ;; Returns true if OP is either the constant zero or a register.
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27 (define_predicate "reg_or_0_operand"
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28 (and (ior (match_operand 0 "register_operand")
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29 (match_operand 0 "const_zero_operand"))
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30 (match_test "GET_MODE_SIZE (mode) <= UNITS_PER_WORD")))
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31
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32 ; Return 1 if OP is a network register identifier.
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33 (define_predicate "netreg_operand"
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34 (and (match_code "const_int")
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35 (match_test "IN_RANGE (INTVAL (op), 0, 6)")))
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36
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37 ; Return 1 if OP is an unsigned 5-bit constant.
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38 (define_predicate "u5bit_cint_operand"
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39 (and (match_code "const_int")
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40 (match_test "INTVAL (op) == (INTVAL (op) & 0x1F)")))
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41
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42 ;; Return 1 if OP is an unsigned 16-bit constant.
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43 (define_predicate "u16bit_cint_operand"
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44 (and (match_code "const_int")
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45 (match_test "(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 16)")))
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46
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47 ;; Return 1 if OP is a signed 8-bit constant.
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48 (define_predicate "s8bit_cint_operand"
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49 (and (match_code "const_int")
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50 (match_test "satisfies_constraint_I (op)")))
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51
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52 ;; Return 1 if OP is a signed 16-bit constant.
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53 (define_predicate "s16bit_cint_operand"
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54 (and (match_code "const_int")
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55 (match_test "satisfies_constraint_J (op)")))
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56
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57 ;; Return 1 if OP is a nonzero integer constant whose low 16 bits are zero.
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58 (define_predicate "auli_cint_operand"
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59 (and (match_code "const_int")
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60 (match_test "satisfies_constraint_K (op)")))
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61
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62 ;; Return 1 if OP is an unsigned 15-bit constant.
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63 (define_predicate "u15bit_cint_operand"
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64 (and (match_code "const_int")
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65 (match_test "(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 15)")))
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66
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67 ;; Return 1 if OP is a constant or any register.
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68 (define_predicate "reg_or_cint_operand"
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69 (ior (match_operand 0 "register_operand")
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70 (match_operand 0 "const_int_operand")))
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71
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72 ;; Return 1 if OP is a 4-element vector constant with identical signed
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73 ;; 8-bit elements or any register.
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74 (define_predicate "reg_or_v4s8bit_operand"
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75 (ior (match_operand 0 "register_operand")
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76 (and (match_code "const_vector")
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77 (match_test "CONST_VECTOR_NUNITS (op) == 4
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78 && (satisfies_constraint_I
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79 (unwrap_const_vec_duplicate (op)))"))))
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80
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81 ;; Return 1 if OP is a 2-element vector constant with identical signed
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82 ;; 8-bit elements or any register.
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83 (define_predicate "reg_or_v2s8bit_operand"
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84 (ior (match_operand 0 "register_operand")
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85 (and (match_code "const_vector")
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86 (match_test "CONST_VECTOR_NUNITS (op) == 2
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87 && (satisfies_constraint_I
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88 (unwrap_const_vec_duplicate (op)))"))))
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89
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90 ;; Return 1 if the operand is a valid second operand to an add insn.
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91 (define_predicate "add_operand"
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92 (if_then_else (match_code "const_int")
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93 (match_test "satisfies_constraint_J (op) || satisfies_constraint_K (op)")
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94 (match_operand 0 "register_operand")))
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95
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96 ;; Return 1 if the operand is a register or signed 8-bit immediate operand.
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97 (define_predicate "reg_or_s8bit_operand"
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98 (if_then_else (match_code "const_int")
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99 (match_test "satisfies_constraint_I (op)")
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100 (match_operand 0 "register_operand")))
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101
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102 ;; Return 1 for an operand suitable for ANDing with a register.
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103 (define_predicate "and_operand"
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104 (if_then_else (match_code "const_int")
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105 (match_test "satisfies_constraint_I (op) || satisfies_constraint_M (op)")
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106 (match_operand 0 "register_operand")))
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107
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108 ;; Return 1 if the operand is a register or unsigned 5-bit immediate operand.
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109 (define_predicate "reg_or_u5bit_operand"
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110 (if_then_else (match_code "const_int")
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111 (match_test "INTVAL (op) == (INTVAL (op) & 0x1F)")
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112 (match_operand 0 "register_operand")))
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113
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114 ; Return 1 if the operand is 2, 4 or 8.
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115 (define_predicate "cint_248_operand"
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116 (and (match_code "const_int")
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117 (match_test
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118 "INTVAL (op) == 2 || INTVAL (op) == 4 || INTVAL (op) == 8")))
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119
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120
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121 ;; Return true if OP is a TLS symbolic operand.
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122 (define_predicate "tls_symbolic_operand"
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123 (and (match_code "symbol_ref")
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124 (match_test "SYMBOL_REF_TLS_MODEL (op) != TLS_MODEL_NONE")))
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125
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126 ;; Return true if OP is a symbolic operand for the TLS Global Dynamic model.
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127 (define_predicate "tls_gd_symbolic_operand"
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128 (and (match_code "symbol_ref")
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129 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_GLOBAL_DYNAMIC")))
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130
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131 ;; Return true if OP is a symbolic operand for the TLS Local Dynamic model.
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132 (define_predicate "tls_ld_symbolic_operand"
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133 (and (match_code "symbol_ref")
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134 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_DYNAMIC")))
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135
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136 ;; Return true if OP is a symbolic operand that can be used for the
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137 ;; TLS Initial Exec model.
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138 (define_predicate "tls_ie_symbolic_operand"
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139 (and (match_code "symbol_ref")
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140 (ior (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_INITIAL_EXEC")
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141 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC"))))
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142
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143 ;; Return true if OP is a symbolic operand for the TLS Local Exec model.
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144 (define_predicate "tls_le_symbolic_operand"
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145 (and (match_code "symbol_ref")
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146 (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC")))
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147
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148 ;; Returns true if OP is any general operand except for an
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149 ;; auto-incrementing address operand.
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150 (define_predicate "nonautoinc_operand"
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151 (and (match_operand 0 "general_operand")
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152 (not (ior (match_code "pre_dec") (match_code "pre_inc")
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153 (match_code "post_dec") (match_code "post_inc")
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154 (match_code "post_modify") (match_code "pre_modify")))))
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155
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156 ;; Returns true if OP is a non-auto-incrementing memory operand.
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157 (define_predicate "nonautoincmem_operand"
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158 (match_operand 0 "memory_operand")
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159 {
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160 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
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161 })
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162
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163 ;; Returns true if OP is a non-auto-incrementing memory, general
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164 ;; operand.
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165 (define_predicate "nonautoincmem_general_operand"
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166 (match_operand 0 "general_operand")
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167 {
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168 if (memory_operand (op, mode))
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169 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
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170 else
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171 return true;
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172 })
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173
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174 ;; Returns true if OP is a non-auto-incrementing memory, non-immediate
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175 ;; operand.
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176 (define_predicate "nonautoincmem_nonimmediate_operand"
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177 (match_operand 0 "nonimmediate_operand")
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178 {
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179 if (memory_operand (op, mode))
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180 return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0)));
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181 else
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182 return true;
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183 })
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184
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185 ;; Return true if OP is a valid operand for the source of a move insn.
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186 (define_predicate "move_operand"
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187 (match_operand 0 "general_operand")
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188 {
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189 /* If both modes are non-void they must be the same. */
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190 if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op))
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191 return false;
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192
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193 if (GET_MODE_SIZE (mode) > 4)
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194 return false;
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195
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196 switch (GET_CODE (op))
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197 {
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198 case CONST_INT:
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199 return (satisfies_constraint_J (op)
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200 || satisfies_constraint_K (op)
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201 || satisfies_constraint_N (op)
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202 || satisfies_constraint_P (op));
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203
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204 case HIGH:
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205 return true;
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206
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207 case MEM:
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208 return memory_address_p (mode, XEXP (op, 0));
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209
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210 default:
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211 return register_operand (op, mode);
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212 }
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213 })
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214
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215 ;; Returns 1 if OP is a symbolic operand, i.e. a symbol_ref or a label_ref,
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216 ;; possibly with an offset.
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217 (define_predicate "symbolic_operand"
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218 (ior (match_code "symbol_ref,label_ref")
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219 (and (match_code "const")
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220 (match_test "GET_CODE (XEXP (op,0)) == PLUS
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221 && (GET_CODE (XEXP (XEXP (op,0), 0)) == SYMBOL_REF
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222 || GET_CODE (XEXP (XEXP (op,0), 0)) == LABEL_REF)
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223 && CONST_INT_P (XEXP (XEXP (op,0), 1))"))))
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224
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225 ;; Returns 1 if OP is a symbolic operand, or a const unspec wrapper
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226 ;; representing a got reference, a tls reference, or pc-relative
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227 ;; reference.
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228 (define_predicate "const_symbolic_operand"
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229 (ior (match_operand 0 "symbolic_operand")
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230 (and (match_code "const")
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231 (match_test "GET_CODE (XEXP (op,0)) == UNSPEC")
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232 (ior (match_test "XINT (XEXP (op,0), 1) == UNSPEC_GOT16_SYM")
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233 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_GOT32_SYM")
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234 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_PCREL_SYM")
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235 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_TLS_GD")
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236 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_TLS_IE")
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237 (match_test "XINT (XEXP (op,0), 1) == UNSPEC_TLS_LE")))))
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238
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239 ;; Return true if OP is an address suitable for a call insn.
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240 ;; Call insn on TILE can take a PC-relative constant address
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241 ;; or any regular memory address.
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242 (define_predicate "call_address_operand"
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243 (ior (match_operand 0 "symbolic_operand")
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244 (match_test "memory_address_p (Pmode, op)")))
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245
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246 ;; Return true if OP is an operand suitable for a call insn.
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247 (define_predicate "call_operand"
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248 (and (match_code "mem")
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249 (match_test "call_address_operand (XEXP (op, 0), mode)")))
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250
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251 ;; Return 1 if OP is a signed comparison operation.
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252 ;; We can use these directly in compares against zero.
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253 (define_predicate "signed_comparison_operator"
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254 (match_code "eq,ne,le,lt,ge,gt"))
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255
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256 ;; Return 1 if OP is a equal or not-equal operation.
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257 (define_predicate "eqne_operator"
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258 (match_code "eq,ne"))
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