Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/moxie/moxie.c @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
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date | Tue, 22 Mar 2011 17:18:12 +0900 |
parents | b7f97abdc517 |
children | 04ced10e8804 |
rev | line source |
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1 /* Target Code for moxie |
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2 Copyright (C) 2008, 2009, 2010 Free Software Foundation |
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3 Contributed by Anthony Green. |
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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 #include "config.h" |
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22 #include "system.h" |
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23 #include "coretypes.h" |
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24 #include "tm.h" |
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25 #include "rtl.h" |
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26 #include "regs.h" |
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27 #include "hard-reg-set.h" |
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28 #include "insn-config.h" |
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29 #include "conditions.h" |
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30 #include "insn-flags.h" |
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31 #include "output.h" |
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32 #include "insn-attr.h" |
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33 #include "flags.h" |
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34 #include "recog.h" |
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35 #include "reload.h" |
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36 #include "diagnostic-core.h" |
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37 #include "obstack.h" |
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38 #include "tree.h" |
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39 #include "expr.h" |
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40 #include "optabs.h" |
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41 #include "except.h" |
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42 #include "function.h" |
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43 #include "ggc.h" |
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44 #include "target.h" |
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45 #include "target-def.h" |
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46 #include "tm_p.h" |
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47 #include "langhooks.h" |
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48 #include "df.h" |
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49 |
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50 #define LOSE_AND_RETURN(msgid, x) \ |
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51 do \ |
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52 { \ |
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53 moxie_operand_lossage (msgid, x); \ |
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54 return; \ |
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55 } while (0) |
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56 |
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57 /* Worker function for TARGET_RETURN_IN_MEMORY. */ |
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58 |
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59 static bool |
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60 moxie_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED) |
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61 { |
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62 const HOST_WIDE_INT size = int_size_in_bytes (type); |
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63 return (size == -1 || size > 2 * UNITS_PER_WORD); |
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64 } |
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65 |
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66 /* Define how to find the value returned by a function. |
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67 VALTYPE is the data type of the value (as a tree). |
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68 If the precise function being called is known, FUNC is its |
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69 FUNCTION_DECL; otherwise, FUNC is 0. |
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70 |
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71 We always return values in register $r0 for moxie. */ |
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72 |
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73 static rtx |
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74 moxie_function_value (const_tree valtype, |
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75 const_tree fntype_or_decl ATTRIBUTE_UNUSED, |
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76 bool outgoing ATTRIBUTE_UNUSED) |
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77 { |
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78 return gen_rtx_REG (TYPE_MODE (valtype), MOXIE_R0); |
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79 } |
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80 |
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81 /* Define how to find the value returned by a library function. |
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82 |
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83 We always return values in register $r0 for moxie. */ |
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84 |
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85 static rtx |
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86 moxie_libcall_value (enum machine_mode mode, |
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87 const_rtx fun ATTRIBUTE_UNUSED) |
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88 { |
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89 return gen_rtx_REG (mode, MOXIE_R0); |
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90 } |
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91 |
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92 /* Handle TARGET_FUNCTION_VALUE_REGNO_P. |
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93 |
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94 We always return values in register $r0 for moxie. */ |
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95 |
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96 static bool |
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97 moxie_function_value_regno_p (const unsigned int regno) |
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98 { |
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99 return (regno == MOXIE_R0); |
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100 } |
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101 |
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102 /* Emit an error message when we're in an asm, and a fatal error for |
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103 "normal" insns. Formatted output isn't easily implemented, since we |
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104 use output_operand_lossage to output the actual message and handle the |
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105 categorization of the error. */ |
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106 |
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107 static void |
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108 moxie_operand_lossage (const char *msgid, rtx op) |
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109 { |
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110 debug_rtx (op); |
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111 output_operand_lossage ("%s", msgid); |
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112 } |
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113 |
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114 /* The PRINT_OPERAND_ADDRESS worker. */ |
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115 |
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116 void |
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117 moxie_print_operand_address (FILE *file, rtx x) |
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118 { |
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119 switch (GET_CODE (x)) |
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120 { |
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121 case REG: |
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122 fprintf (file, "(%s)", reg_names[REGNO (x)]); |
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123 break; |
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124 |
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125 case PLUS: |
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126 switch (GET_CODE (XEXP (x, 1))) |
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127 { |
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128 case CONST_INT: |
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129 fprintf (file, "%ld(%s)", |
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130 INTVAL(XEXP (x, 1)), reg_names[REGNO (XEXP (x, 0))]); |
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131 break; |
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132 case SYMBOL_REF: |
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133 output_addr_const (file, XEXP (x, 1)); |
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134 fprintf (file, "(%s)", reg_names[REGNO (XEXP (x, 0))]); |
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135 break; |
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136 case CONST: |
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137 { |
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138 rtx plus = XEXP (XEXP (x, 1), 0); |
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139 if (GET_CODE (XEXP (plus, 0)) == SYMBOL_REF |
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140 && CONST_INT_P (XEXP (plus, 1))) |
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141 { |
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142 output_addr_const(file, XEXP (plus, 0)); |
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143 fprintf (file,"+%ld(%s)", INTVAL (XEXP (plus, 1)), |
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144 reg_names[REGNO (XEXP (x, 0))]); |
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145 } |
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146 else |
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147 abort(); |
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148 } |
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149 break; |
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150 default: |
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151 abort(); |
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152 } |
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153 break; |
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154 |
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155 default: |
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156 output_addr_const (file, x); |
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157 break; |
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158 } |
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159 } |
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160 |
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161 /* The PRINT_OPERAND worker. */ |
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162 |
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163 void |
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164 moxie_print_operand (FILE *file, rtx x, int code) |
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165 { |
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166 rtx operand = x; |
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167 |
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168 /* New code entries should just be added to the switch below. If |
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169 handling is finished, just return. If handling was just a |
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170 modification of the operand, the modified operand should be put in |
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171 "operand", and then do a break to let default handling |
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172 (zero-modifier) output the operand. */ |
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173 |
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174 switch (code) |
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175 { |
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176 case 0: |
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177 /* No code, print as usual. */ |
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178 break; |
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179 |
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180 default: |
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181 LOSE_AND_RETURN ("invalid operand modifier letter", x); |
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182 } |
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183 |
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184 /* Print an operand as without a modifier letter. */ |
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185 switch (GET_CODE (operand)) |
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186 { |
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187 case REG: |
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188 if (REGNO (operand) > MOXIE_R13) |
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189 internal_error ("internal error: bad register: %d", REGNO (operand)); |
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190 fprintf (file, "%s", reg_names[REGNO (operand)]); |
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191 return; |
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192 |
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193 case MEM: |
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194 output_address (XEXP (operand, 0)); |
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195 return; |
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196 |
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197 default: |
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198 /* No need to handle all strange variants, let output_addr_const |
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199 do it for us. */ |
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200 if (CONSTANT_P (operand)) |
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|
201 { |
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202 output_addr_const (file, operand); |
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203 return; |
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204 } |
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205 |
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206 LOSE_AND_RETURN ("unexpected operand", x); |
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|
207 } |
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|
208 } |
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209 |
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210 /* Per-function machine data. */ |
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211 struct GTY(()) machine_function |
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|
212 { |
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213 /* Number of bytes saved on the stack for callee saved registers. */ |
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214 int callee_saved_reg_size; |
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215 |
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216 /* Number of bytes saved on the stack for local variables. */ |
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217 int local_vars_size; |
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218 |
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219 /* The sum of 2 sizes: locals vars and padding byte for saving the |
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220 * registers. Used in expand_prologue () and expand_epilogue(). */ |
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221 int size_for_adjusting_sp; |
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222 }; |
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223 |
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224 /* Zero initialization is OK for all current fields. */ |
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225 |
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226 static struct machine_function * |
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227 moxie_init_machine_status (void) |
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228 { |
67
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229 return ggc_alloc_cleared_machine_function (); |
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230 } |
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231 |
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232 |
67
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233 /* The TARGET_OPTION_OVERRIDE worker. |
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234 All this curently does is set init_machine_status. */ |
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235 static void |
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236 moxie_option_override (void) |
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237 { |
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238 /* Set the per-function-data initializer. */ |
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239 init_machine_status = moxie_init_machine_status; |
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240 } |
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241 |
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242 /* Compute the size of the local area and the size to be adjusted by the |
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243 * prologue and epilogue. */ |
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244 |
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245 static void |
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246 moxie_compute_frame (void) |
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247 { |
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248 /* For aligning the local variables. */ |
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249 int stack_alignment = STACK_BOUNDARY / BITS_PER_UNIT; |
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250 int padding_locals; |
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251 int regno; |
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252 |
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253 /* Padding needed for each element of the frame. */ |
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254 cfun->machine->local_vars_size = get_frame_size (); |
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255 |
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256 /* Align to the stack alignment. */ |
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257 padding_locals = cfun->machine->local_vars_size % stack_alignment; |
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258 if (padding_locals) |
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259 padding_locals = stack_alignment - padding_locals; |
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260 |
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261 cfun->machine->local_vars_size += padding_locals; |
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262 |
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263 cfun->machine->callee_saved_reg_size = 0; |
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264 |
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265 /* Save callee-saved registers. */ |
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266 for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) |
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267 if (df_regs_ever_live_p (regno) && (! call_used_regs[regno])) |
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268 cfun->machine->callee_saved_reg_size += 4; |
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269 |
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270 cfun->machine->size_for_adjusting_sp = |
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271 crtl->args.pretend_args_size |
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272 + cfun->machine->local_vars_size |
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273 + (ACCUMULATE_OUTGOING_ARGS ? crtl->outgoing_args_size : 0); |
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274 } |
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275 |
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276 void |
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277 moxie_expand_prologue (void) |
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278 { |
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279 int regno; |
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280 rtx insn; |
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281 |
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282 moxie_compute_frame (); |
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283 |
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284 /* Save callee-saved registers. */ |
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285 for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) |
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286 { |
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287 if (!fixed_regs[regno] && df_regs_ever_live_p (regno) && !call_used_regs[regno]) |
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288 { |
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289 insn = emit_insn (gen_movsi_push (gen_rtx_REG (Pmode, regno))); |
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290 RTX_FRAME_RELATED_P (insn) = 1; |
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291 } |
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292 } |
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293 |
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294 if (cfun->machine->size_for_adjusting_sp > 0) |
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295 { |
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296 int i = cfun->machine->size_for_adjusting_sp; |
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297 while (i > 255) |
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298 { |
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299 insn = emit_insn (gen_subsi3 (stack_pointer_rtx, |
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300 stack_pointer_rtx, |
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301 GEN_INT (255))); |
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302 RTX_FRAME_RELATED_P (insn) = 1; |
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303 i -= 255; |
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304 } |
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305 if (i > 0) |
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306 { |
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307 insn = emit_insn (gen_subsi3 (stack_pointer_rtx, |
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308 stack_pointer_rtx, |
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309 GEN_INT (i))); |
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310 RTX_FRAME_RELATED_P (insn) = 1; |
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311 } |
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312 } |
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313 } |
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314 |
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315 void |
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316 moxie_expand_epilogue (void) |
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317 { |
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318 int regno; |
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319 rtx reg; |
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320 |
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321 if (cfun->machine->callee_saved_reg_size != 0) |
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322 { |
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323 reg = gen_rtx_REG (Pmode, MOXIE_R5); |
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324 if (cfun->machine->callee_saved_reg_size <= 255) |
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325 { |
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326 emit_move_insn (reg, hard_frame_pointer_rtx); |
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327 emit_insn (gen_subsi3 |
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328 (reg, reg, |
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329 GEN_INT (cfun->machine->callee_saved_reg_size))); |
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330 } |
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331 else |
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parents:
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|
332 { |
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parents:
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333 emit_move_insn (reg, |
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|
334 GEN_INT (-cfun->machine->callee_saved_reg_size)); |
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335 emit_insn (gen_addsi3 (reg, reg, hard_frame_pointer_rtx)); |
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|
336 } |
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337 for (regno = FIRST_PSEUDO_REGISTER; regno-- > 0; ) |
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338 if (!fixed_regs[regno] && !call_used_regs[regno] |
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339 && df_regs_ever_live_p (regno)) |
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340 { |
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341 rtx preg = gen_rtx_REG (Pmode, regno); |
67
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342 emit_insn (gen_movsi_pop (reg, preg)); |
55
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343 } |
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344 } |
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345 |
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346 emit_jump_insn (gen_returner ()); |
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347 } |
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348 |
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349 /* Implements the macro INITIAL_ELIMINATION_OFFSET, return the OFFSET. */ |
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350 |
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351 int |
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352 moxie_initial_elimination_offset (int from, int to) |
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353 { |
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354 int ret; |
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355 |
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356 if ((from) == FRAME_POINTER_REGNUM && (to) == HARD_FRAME_POINTER_REGNUM) |
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357 { |
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358 /* Compute this since we need to use cfun->machine->local_vars_size. */ |
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359 moxie_compute_frame (); |
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360 ret = -cfun->machine->callee_saved_reg_size; |
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361 } |
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362 else if ((from) == ARG_POINTER_REGNUM && (to) == HARD_FRAME_POINTER_REGNUM) |
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363 ret = 0x00; |
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364 else |
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365 abort (); |
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366 |
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367 return ret; |
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368 } |
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369 |
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370 /* Worker function for TARGET_SETUP_INCOMING_VARARGS. */ |
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371 |
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372 static void |
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373 moxie_setup_incoming_varargs (CUMULATIVE_ARGS *cum, |
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374 enum machine_mode mode ATTRIBUTE_UNUSED, |
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375 tree type ATTRIBUTE_UNUSED, |
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376 int *pretend_size, int no_rtl) |
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|
377 { |
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|
378 int regno; |
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379 int regs = 8 - *cum; |
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|
380 |
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381 *pretend_size = regs < 0 ? 0 : GET_MODE_SIZE (SImode) * regs; |
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|
382 |
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parents:
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|
383 if (no_rtl) |
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384 return; |
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|
385 |
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parents:
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|
386 for (regno = *cum; regno < 8; regno++) |
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parents:
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|
387 { |
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parents:
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|
388 rtx reg = gen_rtx_REG (SImode, regno); |
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parents:
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|
389 rtx slot = gen_rtx_PLUS (Pmode, |
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parents:
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|
390 gen_rtx_REG (SImode, ARG_POINTER_REGNUM), |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
391 GEN_INT (UNITS_PER_WORD * (3 + (regno-2)))); |
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parents:
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|
392 |
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parents:
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|
393 emit_move_insn (gen_rtx_MEM (SImode, slot), reg); |
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parents:
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|
394 } |
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parents:
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|
395 } |
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parents:
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|
396 |
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parents:
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|
397 |
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parents:
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|
398 /* Return the fixed registers used for condition codes. */ |
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parents:
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|
399 |
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parents:
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|
400 static bool |
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parents:
diff
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|
401 moxie_fixed_condition_code_regs (unsigned int *p1, unsigned int *p2) |
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parents:
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|
402 { |
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parents:
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changeset
|
403 *p1 = CC_REG; |
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parents:
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changeset
|
404 *p2 = INVALID_REGNUM; |
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parents:
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changeset
|
405 return true; |
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parents:
diff
changeset
|
406 } |
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parents:
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changeset
|
407 |
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parents:
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changeset
|
408 /* Return the next register to be used to hold a function argument or |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
409 NULL_RTX if there's no more space. */ |
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parents:
diff
changeset
|
410 |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
411 static rtx |
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parents:
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diff
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|
412 moxie_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode, |
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diff
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|
413 const_tree type ATTRIBUTE_UNUSED, |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
414 bool named ATTRIBUTE_UNUSED) |
55
77e2b8dfacca
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parents:
diff
changeset
|
415 { |
67
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parents:
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diff
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|
416 if (*cum < 8) |
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diff
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|
417 return gen_rtx_REG (mode, *cum); |
55
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parents:
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|
418 else |
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parents:
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|
419 return NULL_RTX; |
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parents:
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changeset
|
420 } |
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parents:
diff
changeset
|
421 |
67
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|
422 #define MOXIE_FUNCTION_ARG_SIZE(MODE, TYPE) \ |
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diff
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|
423 ((MODE) != BLKmode ? GET_MODE_SIZE (MODE) \ |
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|
424 : (unsigned) int_size_in_bytes (TYPE)) |
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|
425 |
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parents:
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diff
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|
426 static void |
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diff
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|
427 moxie_function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode, |
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diff
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|
428 const_tree type, bool named ATTRIBUTE_UNUSED) |
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diff
changeset
|
429 { |
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diff
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|
430 *cum = (*cum < MOXIE_R6 |
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|
431 ? *cum + ((3 + MOXIE_FUNCTION_ARG_SIZE (mode, type)) / 4) |
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432 : *cum); |
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diff
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|
433 } |
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parents:
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diff
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|
434 |
55
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parents:
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|
435 /* Return non-zero if the function argument described by TYPE is to be |
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parents:
diff
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|
436 passed by reference. */ |
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parents:
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|
437 |
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parents:
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changeset
|
438 static bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
439 moxie_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
440 enum machine_mode mode, const_tree type, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
441 bool named ATTRIBUTE_UNUSED) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
442 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
443 unsigned HOST_WIDE_INT size; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
444 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
445 if (type) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
446 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
447 if (AGGREGATE_TYPE_P (type)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
448 return true; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
449 size = int_size_in_bytes (type); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
450 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
451 else |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
452 size = GET_MODE_SIZE (mode); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
453 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 return size > 4*6; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
455 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
456 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
457 /* Some function arguments will only partially fit in the registers |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
458 that hold arguments. Given a new arg, return the number of bytes |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
459 that fit in argument passing registers. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
461 static int |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
462 moxie_arg_partial_bytes (CUMULATIVE_ARGS *cum, |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
463 enum machine_mode mode, |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
464 tree type, bool named) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
465 { |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
466 int bytes_left, size; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
467 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
468 if (*cum >= 8) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
469 return 0; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
470 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
471 if (moxie_pass_by_reference (cum, mode, type, named)) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
472 size = 4; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
473 else if (type) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
474 { |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
475 if (AGGREGATE_TYPE_P (type)) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
476 return 0; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
477 size = int_size_in_bytes (type); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
478 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
479 else |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
480 size = GET_MODE_SIZE (mode); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
481 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
482 bytes_left = (4 * 6) - ((*cum - 2) * 4); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
483 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 if (size > bytes_left) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
485 return bytes_left; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
486 else |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
487 return 0; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
488 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
489 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
490 /* Worker function for TARGET_STATIC_CHAIN. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
491 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
492 static rtx |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
493 moxie_static_chain (const_tree fndecl, bool incoming_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
494 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
495 rtx addr, mem; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
496 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
497 if (!DECL_STATIC_CHAIN (fndecl)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
498 return NULL; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
499 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
500 if (incoming_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
501 addr = plus_constant (arg_pointer_rtx, 2 * UNITS_PER_WORD); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
502 else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
503 addr = plus_constant (stack_pointer_rtx, -UNITS_PER_WORD); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
504 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
505 mem = gen_rtx_MEM (Pmode, addr); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
506 MEM_NOTRAP_P (mem) = 1; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
507 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
508 return mem; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
509 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
510 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
511 /* Worker function for TARGET_ASM_TRAMPOLINE_TEMPLATE. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
512 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
513 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
514 moxie_asm_trampoline_template (FILE *f) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
515 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
516 fprintf (f, "\tpush $sp, $r0\n"); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
517 fprintf (f, "\tldi.l $r0, 0x0\n"); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
518 fprintf (f, "\tsto.l 0x8($fp), $r0\n"); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
519 fprintf (f, "\tpop $sp, $r0\n"); |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
520 fprintf (f, "\tnop\n"); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
521 fprintf (f, "\tjmpa 0x0\n"); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
522 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
523 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
524 /* Worker function for TARGET_TRAMPOLINE_INIT. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
525 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
526 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
527 moxie_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
528 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
529 rtx mem, fnaddr = XEXP (DECL_RTL (fndecl), 0); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
530 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
531 emit_block_move (m_tramp, assemble_trampoline_template (), |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
532 GEN_INT (TRAMPOLINE_SIZE), BLOCK_OP_NORMAL); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
533 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
534 mem = adjust_address (m_tramp, SImode, 4); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
535 emit_move_insn (mem, chain_value); |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
536 mem = adjust_address (m_tramp, SImode, 20); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
537 emit_move_insn (mem, fnaddr); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
538 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
539 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
540 /* The Global `targetm' Variable. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
541 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
542 /* Initialize the GCC target structure. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
543 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
544 #undef TARGET_PROMOTE_PROTOTYPES |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
545 #define TARGET_PROMOTE_PROTOTYPES hook_bool_const_tree_true |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
546 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
547 #undef TARGET_RETURN_IN_MEMORY |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
548 #define TARGET_RETURN_IN_MEMORY moxie_return_in_memory |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
549 #undef TARGET_MUST_PASS_IN_STACK |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
550 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size |
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551 #undef TARGET_PASS_BY_REFERENCE |
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552 #define TARGET_PASS_BY_REFERENCE moxie_pass_by_reference |
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553 #undef TARGET_ARG_PARTIAL_BYTES |
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554 #define TARGET_ARG_PARTIAL_BYTES moxie_arg_partial_bytes |
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555 #undef TARGET_FUNCTION_ARG |
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556 #define TARGET_FUNCTION_ARG moxie_function_arg |
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557 #undef TARGET_FUNCTION_ARG_ADVANCE |
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558 #define TARGET_FUNCTION_ARG_ADVANCE moxie_function_arg_advance |
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559 |
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560 |
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561 #undef TARGET_SETUP_INCOMING_VARARGS |
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562 #define TARGET_SETUP_INCOMING_VARARGS moxie_setup_incoming_varargs |
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563 |
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564 #undef TARGET_FIXED_CONDITION_CODE_REGS |
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565 #define TARGET_FIXED_CONDITION_CODE_REGS moxie_fixed_condition_code_regs |
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566 |
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567 /* Define this to return an RTX representing the place where a |
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568 function returns or receives a value of data type RET_TYPE, a tree |
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569 node node representing a data type. */ |
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570 #undef TARGET_FUNCTION_VALUE |
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571 #define TARGET_FUNCTION_VALUE moxie_function_value |
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572 #undef TARGET_LIBCALL_VALUE |
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573 #define TARGET_LIBCALL_VALUE moxie_libcall_value |
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574 #undef TARGET_FUNCTION_VALUE_REGNO_P |
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575 #define TARGET_FUNCTION_VALUE_REGNO_P moxie_function_value_regno_p |
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576 |
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577 #undef TARGET_FRAME_POINTER_REQUIRED |
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578 #define TARGET_FRAME_POINTER_REQUIRED hook_bool_void_true |
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579 |
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580 #undef TARGET_STATIC_CHAIN |
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581 #define TARGET_STATIC_CHAIN moxie_static_chain |
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582 #undef TARGET_ASM_TRAMPOLINE_TEMPLATE |
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583 #define TARGET_ASM_TRAMPOLINE_TEMPLATE moxie_asm_trampoline_template |
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584 #undef TARGET_TRAMPOLINE_INIT |
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585 #define TARGET_TRAMPOLINE_INIT moxie_trampoline_init |
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586 |
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587 #undef TARGET_OPTION_OVERRIDE |
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588 #define TARGET_OPTION_OVERRIDE moxie_option_override |
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589 |
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590 struct gcc_target targetm = TARGET_INITIALIZER; |
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591 |
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592 #include "gt-moxie.h" |