annotate gcc/config/iq2000/iq2000.h @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents f6334be47118
children 84e7813d76e9
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1 /* Definitions of target machine for GNU compiler.
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2 Vitesse IQ2000 processors
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3 Copyright (C) 2003-2017 Free Software Foundation, Inc.
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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 /* Driver configuration. */
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22
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23 /* A generic LIB_SPEC with -leval and --*group tacked on. */
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24 #undef LIB_SPEC
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25 #define LIB_SPEC "%{!shared:%{!symbolic:--start-group -lc -leval -lgcc --end-group}}"
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26
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27 #undef STARTFILE_SPEC
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28 #undef ENDFILE_SPEC
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29
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30 #undef LINK_SPEC
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31 #define LINK_SPEC "%{h*} %{v:-V} \
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32 %{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic}"
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34
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35 /* Run-time target specifications. */
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36
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37 #define TARGET_CPU_CPP_BUILTINS() \
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38 do \
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39 { \
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40 builtin_define ("__iq2000__"); \
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41 builtin_assert ("cpu=iq2000"); \
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42 builtin_assert ("machine=iq2000"); \
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43 } \
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44 while (0)
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45
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46 /* Macros used in the machine description to test the flags. */
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47
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48 #define TARGET_STATS 0
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49
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50 #define TARGET_DEBUG_MODE 0
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51 #define TARGET_DEBUG_A_MODE 0
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52 #define TARGET_DEBUG_B_MODE 0
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53 #define TARGET_DEBUG_C_MODE 0
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54 #define TARGET_DEBUG_D_MODE 0
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55
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56 #ifndef IQ2000_ISA_DEFAULT
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57 #define IQ2000_ISA_DEFAULT 1
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58 #endif
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59
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60 /* Storage Layout. */
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61
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62 #define BITS_BIG_ENDIAN 0
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63 #define BYTES_BIG_ENDIAN 1
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64 #define WORDS_BIG_ENDIAN 1
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65 #define BITS_PER_WORD 32
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66 #define MAX_BITS_PER_WORD 64
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67 #define UNITS_PER_WORD 4
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68 #define MIN_UNITS_PER_WORD 4
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69 #define POINTER_SIZE 32
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70
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71 /* Define this macro if it is advisable to hold scalars in registers
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72 in a wider mode than that declared by the program. In such cases,
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73 the value is constrained to be within the bounds of the declared
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74 type, but kept valid in the wider mode. The signedness of the
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75 extension may differ from that of the type.
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76
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77 We promote any value smaller than SImode up to SImode. */
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78
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79 #define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \
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80 if (GET_MODE_CLASS (MODE) == MODE_INT \
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81 && GET_MODE_SIZE (MODE) < 4) \
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82 (MODE) = SImode;
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83
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84 #define PARM_BOUNDARY 32
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85
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86 #define STACK_BOUNDARY 64
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87
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88 #define FUNCTION_BOUNDARY 32
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89
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90 #define BIGGEST_ALIGNMENT 64
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91
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92 #undef DATA_ALIGNMENT
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93 #define DATA_ALIGNMENT(TYPE, ALIGN) \
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94 ((((ALIGN) < BITS_PER_WORD) \
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95 && (TREE_CODE (TYPE) == ARRAY_TYPE \
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96 || TREE_CODE (TYPE) == UNION_TYPE \
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97 || TREE_CODE (TYPE) == RECORD_TYPE)) ? BITS_PER_WORD : (ALIGN))
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98
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99 #define EMPTY_FIELD_BOUNDARY 32
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100
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101 #define STRUCTURE_SIZE_BOUNDARY 8
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102
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103 #define STRICT_ALIGNMENT 1
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104
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105 #define PCC_BITFIELD_TYPE_MATTERS 1
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106
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107
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108 /* Layout of Source Language Data Types. */
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109
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110 #define INT_TYPE_SIZE 32
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111 #define SHORT_TYPE_SIZE 16
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112 #define LONG_TYPE_SIZE 32
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113 #define LONG_LONG_TYPE_SIZE 64
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114 #define CHAR_TYPE_SIZE BITS_PER_UNIT
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115 #define FLOAT_TYPE_SIZE 32
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116 #define DOUBLE_TYPE_SIZE 64
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117 #define LONG_DOUBLE_TYPE_SIZE 64
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118 #define DEFAULT_SIGNED_CHAR 1
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119
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120 #undef SIZE_TYPE
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121 #define SIZE_TYPE "unsigned int"
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122
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123 #undef PTRDIFF_TYPE
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124 #define PTRDIFF_TYPE "int"
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125
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126 #undef WCHAR_TYPE
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127 #define WCHAR_TYPE "long int"
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128
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129 #undef WCHAR_TYPE_SIZE
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130 #define WCHAR_TYPE_SIZE BITS_PER_WORD
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131
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132
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133 /* Register Basics. */
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134
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135 /* On the IQ2000, we have 32 integer registers. */
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136 #define FIRST_PSEUDO_REGISTER 33
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137
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138 #define FIXED_REGISTERS \
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139 { \
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140 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
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141 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1 \
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142 }
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143
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144 #define CALL_USED_REGISTERS \
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145 { \
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146 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
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147 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1 \
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148 }
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149
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150
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151 /* Order of allocation of registers. */
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152
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153 #define REG_ALLOC_ORDER \
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154 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, \
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155 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 \
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156 }
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157
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158
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159
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160 #define AVOID_CCMODE_COPIES
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161
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162
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163 /* Register Classes. */
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164
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165 enum reg_class
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166 {
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167 NO_REGS, /* No registers in set. */
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168 GR_REGS, /* Integer registers. */
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169 ALL_REGS, /* All registers. */
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170 LIM_REG_CLASSES /* Max value + 1. */
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171 };
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172
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173 #define GENERAL_REGS GR_REGS
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174
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175 #define N_REG_CLASSES (int) LIM_REG_CLASSES
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176
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177 #define REG_CLASS_NAMES \
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178 { \
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179 "NO_REGS", \
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180 "GR_REGS", \
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181 "ALL_REGS" \
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182 }
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183
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184 #define REG_CLASS_CONTENTS \
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185 { \
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186 { 0x00000000, 0x00000000 }, /* No registers, */ \
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187 { 0xffffffff, 0x00000000 }, /* Integer registers. */ \
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188 { 0xffffffff, 0x00000001 } /* All registers. */ \
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189 }
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190
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191 #define REGNO_REG_CLASS(REGNO) \
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192 ((REGNO) <= GP_REG_LAST + 1 ? GR_REGS : NO_REGS)
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193
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194 #define BASE_REG_CLASS (GR_REGS)
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195
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196 #define INDEX_REG_CLASS NO_REGS
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197
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198 #define REGNO_OK_FOR_INDEX_P(regno) 0
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199
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200 #define PREFERRED_RELOAD_CLASS(X,CLASS) \
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201 ((CLASS) != ALL_REGS \
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202 ? (CLASS) \
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203 : ((GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
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204 || GET_MODE_CLASS (GET_MODE (X)) == MODE_COMPLEX_FLOAT) \
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205 ? (GR_REGS) \
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206 : ((GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \
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207 || GET_MODE (X) == VOIDmode) \
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208 ? (GR_REGS) \
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209 : (CLASS))))
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210
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211
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212 /* Basic Stack Layout. */
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213
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214 #define STACK_GROWS_DOWNWARD 1
0
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215
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216 #define FRAME_GROWS_DOWNWARD 0
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217
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218 /* Use the default value zero. */
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219 /* #define STACK_POINTER_OFFSET 0 */
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220
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221 #define FIRST_PARM_OFFSET(FNDECL) 0
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222
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223 /* The return address for the current frame is in r31 if this is a leaf
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224 function. Otherwise, it is on the stack. It is at a variable offset
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225 from sp/fp/ap, so we define a fake hard register rap which is a
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226 pointer to the return address on the stack. This always gets eliminated
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227 during reload to be either the frame pointer or the stack pointer plus
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228 an offset. */
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229
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230 #define RETURN_ADDR_RTX(count, frame) \
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231 (((count) == 0) \
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232 ? (leaf_function_p () \
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233 ? gen_rtx_REG (Pmode, GP_REG_FIRST + 31) \
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234 : gen_rtx_MEM (Pmode, gen_rtx_REG (Pmode, \
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235 RETURN_ADDRESS_POINTER_REGNUM))) \
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236 : (rtx) 0)
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237
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238 /* Before the prologue, RA lives in r31. */
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239 #define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, GP_REG_FIRST + 31)
0
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240
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241
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242 /* Register That Address the Stack Frame. */
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243
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244 #define STACK_POINTER_REGNUM (GP_REG_FIRST + 29)
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245 #define FRAME_POINTER_REGNUM (GP_REG_FIRST + 1)
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246 #define HARD_FRAME_POINTER_REGNUM (GP_REG_FIRST + 27)
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247 #define ARG_POINTER_REGNUM GP_REG_FIRST
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248 #define RETURN_ADDRESS_POINTER_REGNUM RAP_REG_NUM
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249 #define STATIC_CHAIN_REGNUM (GP_REG_FIRST + 2)
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250
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251
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252 /* Eliminating the Frame Pointer and the Arg Pointer. */
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253
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254 #define ELIMINABLE_REGS \
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255 {{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
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256 { ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
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257 { RETURN_ADDRESS_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
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258 { RETURN_ADDRESS_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
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259 { RETURN_ADDRESS_POINTER_REGNUM, GP_REG_FIRST + 31}, \
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260 { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
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261 { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}}
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262
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263 #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
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264 (OFFSET) = iq2000_initial_elimination_offset ((FROM), (TO))
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265
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266 /* Passing Function Arguments on the Stack. */
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267
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268 /* #define PUSH_ROUNDING(BYTES) 0 */
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269
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270 #define ACCUMULATE_OUTGOING_ARGS 1
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271
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272 #define REG_PARM_STACK_SPACE(FNDECL) 0
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273
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274 #define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1
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275
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276
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277 /* Function Arguments in Registers. */
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278
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279 #define MAX_ARGS_IN_REGISTERS 8
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280
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281 typedef struct iq2000_args
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282 {
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283 int gp_reg_found; /* Whether a gp register was found yet. */
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284 unsigned int arg_number; /* Argument number. */
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285 unsigned int arg_words; /* # total words the arguments take. */
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286 unsigned int fp_arg_words; /* # words for FP args (IQ2000_EABI only). */
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287 int last_arg_fp; /* Nonzero if last arg was FP (EABI only). */
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288 int fp_code; /* Mode of FP arguments. */
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289 unsigned int num_adjusts; /* Number of adjustments made. */
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290 /* Adjustments made to args pass in regs. */
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291 rtx adjust[MAX_ARGS_IN_REGISTERS * 2];
0
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292 } CUMULATIVE_ARGS;
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293
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294 /* Initialize a variable CUM of type CUMULATIVE_ARGS
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295 for a call to a function whose data type is FNTYPE.
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296 For a library call, FNTYPE is 0. */
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diff changeset
297 #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
298 init_cumulative_args (& CUM, FNTYPE, LIBNAME) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
299
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
300 #define FUNCTION_ARG_REGNO_P(N) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
301 (((N) >= GP_ARG_FIRST && (N) <= GP_ARG_LAST))
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parents:
diff changeset
302
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
303
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
304 /* On the IQ2000, R2 and R3 are the only register thus used. */
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parents:
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305
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
306 #define FUNCTION_VALUE_REGNO_P(N) iq2000_function_value_regno_p (N)
0
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parents:
diff changeset
307
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
308
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
309 /* How Large Values are Returned. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
310
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
311 #define DEFAULT_PCC_STRUCT_RETURN 0
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parents:
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312
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
313 /* Function Entry and Exit. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
314
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
315 #define EXIT_IGNORE_STACK 1
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316
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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317
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
318 /* Generating Code for Profiling. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
319
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
320 #define FUNCTION_PROFILER(FILE, LABELNO) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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321 { \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
322 fprintf (FILE, "\t.set\tnoreorder\n"); \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
323 fprintf (FILE, "\t.set\tnoat\n"); \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
324 fprintf (FILE, "\tmove\t%s,%s\t\t# save current return address\n", \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
325 reg_names[GP_REG_FIRST + 1], reg_names[GP_REG_FIRST + 31]); \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
326 fprintf (FILE, "\tjal\t_mcount\n"); \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
327 fprintf (FILE, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
328 "\t%s\t%s,%s,%d\t\t# _mcount pops 2 words from stack\n", \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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329 "subu", \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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330 reg_names[STACK_POINTER_REGNUM], \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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331 reg_names[STACK_POINTER_REGNUM], \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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332 Pmode == DImode ? 16 : 8); \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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333 fprintf (FILE, "\t.set\treorder\n"); \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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334 fprintf (FILE, "\t.set\tat\n"); \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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335 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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336
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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337
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
338 /* Trampolines for Nested Functions. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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339
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parents: 0
diff changeset
340 #define TRAMPOLINE_CODE_SIZE (8*4)
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parents: 0
diff changeset
341 #define TRAMPOLINE_SIZE (TRAMPOLINE_CODE_SIZE + 2*GET_MODE_SIZE (Pmode))
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
342 #define TRAMPOLINE_ALIGNMENT GET_MODE_ALIGNMENT (Pmode)
0
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343
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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344
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
345 /* Addressing Modes. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
346
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
347 #define CONSTANT_ADDRESS_P(X) \
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348 ( (GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
349 || GET_CODE (X) == CONST_INT || GET_CODE (X) == HIGH \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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350 || (GET_CODE (X) == CONST)))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
351
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
352 #define MAX_REGS_PER_ADDRESS 1
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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353
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
354 #define REG_OK_FOR_INDEX_P(X) 0
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diff changeset
355
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
356
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
357 /* Describing Relative Costs of Operations. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
358
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
359 #define REGISTER_MOVE_COST(MODE, FROM, TO) 2
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
360
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
361 #define MEMORY_MOVE_COST(MODE,CLASS,TO_P) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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362 (TO_P ? 2 : 16)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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363
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
364 #define BRANCH_COST(speed_p, predictable_p) 2
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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365
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
366 #define SLOW_BYTE_ACCESS 1
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367
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
368 #define NO_FUNCTION_CSE 1
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
369
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
370 #define ADJUST_COST(INSN,LINK,DEP_INSN,COST) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
371 if (REG_NOTE_KIND (LINK) != 0) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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372 (COST) = 0; /* Anti or output dependence. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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373
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
374
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
375 /* Dividing the output into sections. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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376
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
377 #define TEXT_SECTION_ASM_OP "\t.text" /* Instructions. */
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378
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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379 #define DATA_SECTION_ASM_OP "\t.data" /* Large data. */
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380
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
381
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
382 /* The Overall Framework of an Assembler File. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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383
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
384 #define ASM_COMMENT_START " #"
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385
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386 #define ASM_APP_ON "#APP\n"
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387
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388 #define ASM_APP_OFF "#NO_APP\n"
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389
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
390
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
391 /* Output and Generation of Labels. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
392
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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393 #undef ASM_GENERATE_INTERNAL_LABEL
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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394 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
395 sprintf ((LABEL), "*%s%s%ld", (LOCAL_LABEL_PREFIX), (PREFIX), (long) (NUM))
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diff changeset
396
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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397 #define GLOBAL_ASM_OP "\t.globl\t"
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398
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
399
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
400 /* Output of Assembler Instructions. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
401
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
402 #define REGISTER_NAMES \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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403 { \
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404 "%0", "%1", "%2", "%3", "%4", "%5", "%6", "%7", \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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405 "%8", "%9", "%10", "%11", "%12", "%13", "%14", "%15", \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
406 "%16", "%17", "%18", "%19", "%20", "%21", "%22", "%23", \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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407 "%24", "%25", "%26", "%27", "%28", "%29", "%30", "%31", "%rap" \
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
408 }
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
409
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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410 #define ADDITIONAL_REGISTER_NAMES \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
411 { \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
412 { "%0", 0 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
413 { "%1", 1 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
414 { "%2", 2 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
415 { "%3", 3 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
416 { "%4", 4 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
417 { "%5", 5 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
418 { "%6", 6 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
419 { "%7", 7 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
420 { "%8", 8 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
421 { "%9", 9 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
422 { "%10", 10 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
423 { "%11", 11 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
424 { "%12", 12 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
425 { "%13", 13 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
426 { "%14", 14 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
427 { "%15", 15 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
428 { "%16", 16 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
429 { "%17", 17 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
430 { "%18", 18 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
431 { "%19", 19 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
432 { "%20", 20 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
433 { "%21", 21 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
434 { "%22", 22 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
435 { "%23", 23 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
436 { "%24", 24 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
437 { "%25", 25 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
438 { "%26", 26 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
439 { "%27", 27 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
440 { "%28", 28 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
441 { "%29", 29 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
442 { "%30", 27 + GP_REG_FIRST }, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
443 { "%31", 31 + GP_REG_FIRST }, \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
444 { "%rap", 32 + GP_REG_FIRST }, \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
445 }
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
446
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
447 /* Check if the current insn needs a nop in front of it
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
448 because of load delays, and also update the delay slot statistics. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
449
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
450 #define FINAL_PRESCAN_INSN(INSN, OPVEC, NOPERANDS) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
451 final_prescan_insn (INSN, OPVEC, NOPERANDS)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
452
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
453 #define DBR_OUTPUT_SEQEND(STREAM) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
454 do \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
455 { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
456 fputs ("\n", STREAM); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
457 } \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
458 while (0)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
459
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
460 #define LOCAL_LABEL_PREFIX "$"
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
461
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
462 #define USER_LABEL_PREFIX ""
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
463
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
464
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
465 /* Output of dispatch tables. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
466
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
467 #define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
468 do \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
469 { \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
470 fprintf (STREAM, "\t%s\t%sL%d\n", \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
471 Pmode == DImode ? ".dword" : ".word", \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
472 LOCAL_LABEL_PREFIX, VALUE); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
473 } \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
474 while (0)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
475
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
476 #define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
477 fprintf (STREAM, "\t%s\t%sL%d\n", \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
478 Pmode == DImode ? ".dword" : ".word", \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
479 LOCAL_LABEL_PREFIX, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
480 VALUE)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
481
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
482
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
483 /* Assembler Commands for Alignment. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
484
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
485 #undef ASM_OUTPUT_SKIP
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
486 #define ASM_OUTPUT_SKIP(STREAM,SIZE) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
487 fprintf (STREAM, "\t.space\t" HOST_WIDE_INT_PRINT_UNSIGNED "\n", \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
488 (unsigned HOST_WIDE_INT)(SIZE))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
489
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
490 #define ASM_OUTPUT_ALIGN(STREAM,LOG) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
491 if ((LOG) != 0) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
492 fprintf (STREAM, "\t.balign %d\n", 1<<(LOG))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
493
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
494
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
495 /* Macros Affecting all Debug Formats. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
496
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
497 #define DEBUGGER_AUTO_OFFSET(X) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
498 iq2000_debugger_offset (X, (HOST_WIDE_INT) 0)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
499
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
500 #define DEBUGGER_ARG_OFFSET(OFFSET, X) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
501 iq2000_debugger_offset (X, (HOST_WIDE_INT) OFFSET)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
502
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
503 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
504
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
505 #define DWARF2_DEBUGGING_INFO 1
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
506
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
507
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
508 /* Miscellaneous Parameters. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
509
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
510 #define CASE_VECTOR_MODE SImode
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
511
111
kono
parents: 67
diff changeset
512 #define WORD_REGISTER_OPERATIONS 1
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
513
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
514 #define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
515
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
516 #define MOVE_MAX 4
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
517
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
518 #define MAX_MOVE_MAX 8
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
519
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
520 #define SHIFT_COUNT_TRUNCATED 1
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
521
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
522 #define STORE_FLAG_VALUE 1
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
523
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
524 #define Pmode SImode
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
525
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
526 #define FUNCTION_MODE SImode
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
527
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
528 /* IQ2000 external variables defined in iq2000.c. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
529
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
530 /* Comparison type. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
531 enum cmp_type
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
532 {
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
533 CMP_SI, /* Compare four byte integers. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
534 CMP_DI, /* Compare eight byte integers. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
535 CMP_SF, /* Compare single precision floats. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
536 CMP_DF, /* Compare double precision floats. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
537 CMP_MAX /* Max comparison type. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
538 };
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
539
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
540 /* Types of delay slot. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
541 enum delay_type
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
542 {
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
543 DELAY_NONE, /* No delay slot. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
544 DELAY_LOAD, /* Load from memory delay. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
545 DELAY_FCMP /* Delay after doing c.<xx>.{d,s}. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
546 };
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
547
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
548 /* Recast the cpu class to be the cpu attribute. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
549 #define iq2000_cpu_attr ((enum attr_cpu) iq2000_tune)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
550
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
551 #define BITMASK_UPPER16 ((unsigned long) 0xffff << 16) /* 0xffff0000 */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
552 #define BITMASK_LOWER16 ((unsigned long) 0xffff) /* 0x0000ffff */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
553
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
554
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
555 #define GENERATE_BRANCHLIKELY (ISA_HAS_BRANCHLIKELY)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
556
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
557 /* Macros to decide whether certain features are available or not,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
558 depending on the instruction set architecture level. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
559
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
560 #define BRANCH_LIKELY_P() GENERATE_BRANCHLIKELY
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
561
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
562 /* ISA has branch likely instructions. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
563 #define ISA_HAS_BRANCHLIKELY (iq2000_isa == 1)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
564
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
565
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
566 #undef ASM_SPEC
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
567
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
568
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
569 /* The mapping from gcc register number to DWARF 2 CFA column number. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
570 #define DWARF_FRAME_REGNUM(REG) (REG)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
571
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
572 /* The DWARF 2 CFA column which tracks the return address. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
573 #define DWARF_FRAME_RETURN_COLUMN (GP_REG_FIRST + 31)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
574
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
575 /* Describe how we implement __builtin_eh_return. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
576 #define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + GP_ARG_FIRST : INVALID_REGNUM)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
577
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
578 /* The EH_RETURN_STACKADJ_RTX macro returns RTL which describes the
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
579 location used to store the amount to adjust the stack. This is
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
580 usually a register that is available from end of the function's body
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
581 to the end of the epilogue. Thus, this cannot be a register used as a
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
582 temporary by the epilogue.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
583
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
584 This must be an integer register. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
585 #define EH_RETURN_STACKADJ_REGNO 3
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
586 #define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, EH_RETURN_STACKADJ_REGNO)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
587
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
588 /* The EH_RETURN_HANDLER_RTX macro returns RTL which describes the
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
589 location used to store the address the processor should jump to
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
590 catch exception. This is usually a registers that is available from
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
591 end of the function's body to the end of the epilogue. Thus, this
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
592 cannot be a register used as a temporary by the epilogue.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
593
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
594 This must be an address register. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
595 #define EH_RETURN_HANDLER_REGNO 26
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
596 #define EH_RETURN_HANDLER_RTX \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
597 gen_rtx_REG (Pmode, EH_RETURN_HANDLER_REGNO)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
598
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
599 /* Offsets recorded in opcodes are a multiple of this alignment factor. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
600 #define DWARF_CIE_DATA_ALIGNMENT 4
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
601
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
602 /* For IQ2000, width of a floating point register. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
603 #define UNITS_PER_FPREG 4
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
604
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
605 /* Force right-alignment for small varargs in 32 bit little_endian mode */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
606
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
607 #define PAD_VARARGS_DOWN !BYTES_BIG_ENDIAN
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
608
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
609 /* Internal macros to classify a register number as to whether it's a
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
610 general purpose register, a floating point register, a
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
611 multiply/divide register, or a status register. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
612
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
613 #define GP_REG_FIRST 0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
614 #define GP_REG_LAST 31
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
615 #define GP_REG_NUM (GP_REG_LAST - GP_REG_FIRST + 1)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
616
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
617 #define RAP_REG_NUM 32
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
618 #define AT_REGNUM (GP_REG_FIRST + 1)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
619
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
620 #define GP_REG_P(REGNO) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
621 ((unsigned int) ((int) (REGNO) - GP_REG_FIRST) < GP_REG_NUM)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
622
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
623 /* IQ2000 registers used in prologue/epilogue code when the stack frame
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
624 is larger than 32K bytes. These registers must come from the
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
625 scratch register set, and not used for passing and returning
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
626 arguments and any other information used in the calling sequence. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
627
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
628 #define IQ2000_TEMP1_REGNUM (GP_REG_FIRST + 12)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
629 #define IQ2000_TEMP2_REGNUM (GP_REG_FIRST + 13)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
630
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
631 /* This macro is used later on in the file. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
632 #define GR_REG_CLASS_P(CLASS) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
633 ((CLASS) == GR_REGS)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
634
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
635 #define SMALL_INT(X) ((unsigned HOST_WIDE_INT) (INTVAL (X) + 0x8000) < 0x10000)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
636 #define SMALL_INT_UNSIGNED(X) ((unsigned HOST_WIDE_INT) (INTVAL (X)) < 0x10000)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
637
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
638 /* Certain machines have the property that some registers cannot be
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
639 copied to some other registers without using memory. Define this
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
640 macro on those machines to be a C expression that is nonzero if
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
641 objects of mode MODE in registers of CLASS1 can only be copied to
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
642 registers of class CLASS2 by storing a register of CLASS1 into
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
643 memory and loading that memory location into a register of CLASS2.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
644
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
645 Do not define this macro if its value would always be zero. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
646
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
647 /* Return the maximum number of consecutive registers
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
648 needed to represent mode MODE in a register of class CLASS. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
649
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
650 #define CLASS_UNITS(mode, size) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
651 ((GET_MODE_SIZE (mode) + (size) - 1) / (size))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
652
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
653 /* If defined, gives a class of registers that cannot be used as the
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
654 operand of a SUBREG that changes the mode of the object illegally. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
655
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
656 #define CLASS_CANNOT_CHANGE_MODE 0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
657
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
658 /* Defines illegal mode changes for CLASS_CANNOT_CHANGE_MODE. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
659
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
660 #define CLASS_CANNOT_CHANGE_MODE_P(FROM,TO) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
661 (GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
662
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
663 /* Make sure 4 words are always allocated on the stack. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
664
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
665 #ifndef STACK_ARGS_ADJUST
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
666 #define STACK_ARGS_ADJUST(SIZE) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
667 { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
668 if (SIZE.constant < 4 * UNITS_PER_WORD) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
669 SIZE.constant = 4 * UNITS_PER_WORD; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
670 }
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
671 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
672
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
673
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
674 /* Symbolic macros for the registers used to return integer and floating
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
675 point values. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
676
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
677 #define GP_RETURN (GP_REG_FIRST + 2)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
678
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
679 /* Symbolic macros for the first/last argument registers. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
680
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
681 #define GP_ARG_FIRST (GP_REG_FIRST + 4)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
682 #define GP_ARG_LAST (GP_REG_FIRST + 11)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
683
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
684 #define MAX_ARGS_IN_REGISTERS 8
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
685
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
686
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
687 /* Tell prologue and epilogue if register REGNO should be saved / restored. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
688
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
689 #define MUST_SAVE_REGISTER(regno) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
690 ((df_regs_ever_live_p (regno) && !call_used_regs[regno]) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
691 || (regno == HARD_FRAME_POINTER_REGNUM && frame_pointer_needed) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
692 || (regno == (GP_REG_FIRST + 31) && df_regs_ever_live_p (GP_REG_FIRST + 31)))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
693
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
694 /* ALIGN FRAMES on double word boundaries */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
695 #ifndef IQ2000_STACK_ALIGN
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
696 #define IQ2000_STACK_ALIGN(LOC) (((LOC) + 7) & ~7)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
697 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
698
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
699
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
700 /* These assume that REGNO is a hard or pseudo reg number.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
701 They give nonzero only if REGNO is a hard reg of the suitable class
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
702 or a pseudo reg currently allocated to a suitable hard reg.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
703 These definitions are NOT overridden anywhere. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
704
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
705 #define BASE_REG_P(regno, mode) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
706 (GP_REG_P (regno))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
707
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
708 #define GP_REG_OR_PSEUDO_STRICT_P(regno, mode) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
709 BASE_REG_P((regno < FIRST_PSEUDO_REGISTER) ? regno : reg_renumber[regno], \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
710 (mode))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
711
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
712 #define GP_REG_OR_PSEUDO_NONSTRICT_P(regno, mode) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
713 (((regno) >= FIRST_PSEUDO_REGISTER) || (BASE_REG_P ((regno), (mode))))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
714
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
715 #define REGNO_MODE_OK_FOR_BASE_P(regno, mode) \
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
716 GP_REG_OR_PSEUDO_STRICT_P ((int) (regno), (mode))
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
717
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
718 /* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
719 and check its validity for a certain class.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
720 We have two alternate definitions for each of them.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
721 The usual definition accepts all pseudo regs; the other rejects them all.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
722 The symbol REG_OK_STRICT causes the latter definition to be used.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
723
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
724 Most source files want to accept pseudo regs in the hope that
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
725 they will get allocated to the class that the insn wants them to be in.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
726 Some source files that are used after register allocation
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
727 need to be strict. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
728
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
729 #ifndef REG_OK_STRICT
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
730 #define REG_MODE_OK_FOR_BASE_P(X, MODE) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
731 iq2000_reg_mode_ok_for_base_p (X, MODE, 0)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
732 #else
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
733 #define REG_MODE_OK_FOR_BASE_P(X, MODE) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
734 iq2000_reg_mode_ok_for_base_p (X, MODE, 1)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
735 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
736
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
737 #if 1
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
738 #define GO_PRINTF(x) fprintf (stderr, (x))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
739 #define GO_PRINTF2(x,y) fprintf (stderr, (x), (y))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
740 #define GO_DEBUG_RTX(x) debug_rtx (x)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
741
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
742 #else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
743 #define GO_PRINTF(x)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
744 #define GO_PRINTF2(x,y)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
745 #define GO_DEBUG_RTX(x)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
746 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
747
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
748 /* If defined, modifies the length assigned to instruction INSN as a
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
749 function of the context in which it is used. LENGTH is an lvalue
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
750 that contains the initially computed length of the insn and should
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
751 be updated with the correct length of the insn. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
752 #define ADJUST_INSN_LENGTH(INSN, LENGTH) \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
753 ((LENGTH) = iq2000_adjust_insn_length ((INSN), (LENGTH)))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
754
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
755
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
756
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
757
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
758 /* How to tell the debugger about changes of source files. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
759
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
760 #ifndef SET_FILE_NUMBER
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
761 #define SET_FILE_NUMBER() ++ num_source_filenames
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
762 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
763
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
764 /* This is how to output a note the debugger telling it the line number
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
765 to which the following sequence of instructions corresponds. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
766
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
767 #ifndef LABEL_AFTER_LOC
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
768 #define LABEL_AFTER_LOC(STREAM)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
769 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
770
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
771
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
772 /* Default to -G 8 */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
773 #ifndef IQ2000_DEFAULT_GVALUE
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
774 #define IQ2000_DEFAULT_GVALUE 8
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
775 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
776
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
777 #define SDATA_SECTION_ASM_OP "\t.sdata" /* Small data. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
778
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
779
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
780 /* Which instruction set architecture to use. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
781 extern int iq2000_isa;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
782
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
783 enum iq2000_builtins
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
784 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
785 IQ2000_BUILTIN_ADO16,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
786 IQ2000_BUILTIN_CFC0,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
787 IQ2000_BUILTIN_CFC1,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
788 IQ2000_BUILTIN_CFC2,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
789 IQ2000_BUILTIN_CFC3,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
790 IQ2000_BUILTIN_CHKHDR,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
791 IQ2000_BUILTIN_CTC0,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
792 IQ2000_BUILTIN_CTC1,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
793 IQ2000_BUILTIN_CTC2,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
794 IQ2000_BUILTIN_CTC3,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
795 IQ2000_BUILTIN_LU,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
796 IQ2000_BUILTIN_LUC32L,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
797 IQ2000_BUILTIN_LUC64,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
798 IQ2000_BUILTIN_LUC64L,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
799 IQ2000_BUILTIN_LUK,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
800 IQ2000_BUILTIN_LULCK,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
801 IQ2000_BUILTIN_LUM32,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
802 IQ2000_BUILTIN_LUM32L,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
803 IQ2000_BUILTIN_LUM64,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
804 IQ2000_BUILTIN_LUM64L,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
805 IQ2000_BUILTIN_LUR,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
806 IQ2000_BUILTIN_LURL,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
807 IQ2000_BUILTIN_MFC0,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
808 IQ2000_BUILTIN_MFC1,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
809 IQ2000_BUILTIN_MFC2,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
810 IQ2000_BUILTIN_MFC3,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
811 IQ2000_BUILTIN_MRGB,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
812 IQ2000_BUILTIN_MTC0,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
813 IQ2000_BUILTIN_MTC1,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
814 IQ2000_BUILTIN_MTC2,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
815 IQ2000_BUILTIN_MTC3,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
816 IQ2000_BUILTIN_PKRL,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
817 IQ2000_BUILTIN_RAM,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
818 IQ2000_BUILTIN_RB,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
819 IQ2000_BUILTIN_RX,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
820 IQ2000_BUILTIN_SRRD,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
821 IQ2000_BUILTIN_SRRDL,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
822 IQ2000_BUILTIN_SRULC,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
823 IQ2000_BUILTIN_SRULCK,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
824 IQ2000_BUILTIN_SRWR,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
825 IQ2000_BUILTIN_SRWRU,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
826 IQ2000_BUILTIN_TRAPQF,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
827 IQ2000_BUILTIN_TRAPQFL,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
828 IQ2000_BUILTIN_TRAPQN,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
829 IQ2000_BUILTIN_TRAPQNE,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
830 IQ2000_BUILTIN_TRAPRE,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
831 IQ2000_BUILTIN_TRAPREL,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
832 IQ2000_BUILTIN_WB,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
833 IQ2000_BUILTIN_WBR,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
834 IQ2000_BUILTIN_WBU,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
835 IQ2000_BUILTIN_WX,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
836 IQ2000_BUILTIN_SYSCALL
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
837 };