Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/moxie/moxie.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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rev | line source |
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1 /* Target Code for moxie |
145 | 2 Copyright (C) 2008-2020 Free Software Foundation, Inc. |
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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 |
131 | 21 #define IN_TARGET_CODE 1 |
22 | |
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23 #include "config.h" |
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24 #include "system.h" |
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25 #include "coretypes.h" |
111 | 26 #include "backend.h" |
27 #include "target.h" | |
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28 #include "rtl.h" |
111 | 29 #include "tree.h" |
30 #include "stringpool.h" | |
31 #include "attribs.h" | |
32 #include "df.h" | |
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33 #include "regs.h" |
111 | 34 #include "memmodel.h" |
35 #include "emit-rtl.h" | |
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36 #include "diagnostic-core.h" |
111 | 37 #include "output.h" |
38 #include "stor-layout.h" | |
39 #include "varasm.h" | |
40 #include "calls.h" | |
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41 #include "expr.h" |
111 | 42 #include "builtins.h" |
43 | |
44 /* This file should be included last. */ | |
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45 #include "target-def.h" |
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46 |
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47 #define LOSE_AND_RETURN(msgid, x) \ |
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48 do \ |
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49 { \ |
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50 moxie_operand_lossage (msgid, x); \ |
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51 return; \ |
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52 } while (0) |
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53 |
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54 /* Worker function for TARGET_RETURN_IN_MEMORY. */ |
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55 |
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56 static bool |
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57 moxie_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED) |
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58 { |
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59 const HOST_WIDE_INT size = int_size_in_bytes (type); |
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60 return (size == -1 || size > 2 * UNITS_PER_WORD); |
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61 } |
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62 |
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63 /* Define how to find the value returned by a function. |
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64 VALTYPE is the data type of the value (as a tree). |
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65 If the precise function being called is known, FUNC is its |
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66 FUNCTION_DECL; otherwise, FUNC is 0. |
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67 |
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68 We always return values in register $r0 for moxie. */ |
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69 |
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70 static rtx |
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71 moxie_function_value (const_tree valtype, |
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72 const_tree fntype_or_decl ATTRIBUTE_UNUSED, |
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73 bool outgoing ATTRIBUTE_UNUSED) |
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74 { |
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75 return gen_rtx_REG (TYPE_MODE (valtype), MOXIE_R0); |
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76 } |
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77 |
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78 /* Define how to find the value returned by a library function. |
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79 |
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80 We always return values in register $r0 for moxie. */ |
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81 |
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82 static rtx |
111 | 83 moxie_libcall_value (machine_mode mode, |
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84 const_rtx fun ATTRIBUTE_UNUSED) |
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85 { |
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86 return gen_rtx_REG (mode, MOXIE_R0); |
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87 } |
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88 |
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89 /* Handle TARGET_FUNCTION_VALUE_REGNO_P. |
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90 |
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91 We always return values in register $r0 for moxie. */ |
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92 |
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93 static bool |
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94 moxie_function_value_regno_p (const unsigned int regno) |
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95 { |
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96 return (regno == MOXIE_R0); |
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97 } |
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98 |
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99 /* Emit an error message when we're in an asm, and a fatal error for |
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100 "normal" insns. Formatted output isn't easily implemented, since we |
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101 use output_operand_lossage to output the actual message and handle the |
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102 categorization of the error. */ |
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103 |
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104 static void |
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105 moxie_operand_lossage (const char *msgid, rtx op) |
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106 { |
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107 debug_rtx (op); |
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108 output_operand_lossage ("%s", msgid); |
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109 } |
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110 |
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111 /* The PRINT_OPERAND_ADDRESS worker. */ |
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112 |
111 | 113 static void |
114 moxie_print_operand_address (FILE *file, machine_mode, rtx x) | |
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115 { |
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116 switch (GET_CODE (x)) |
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117 { |
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118 case REG: |
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119 fprintf (file, "(%s)", reg_names[REGNO (x)]); |
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120 break; |
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121 |
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122 case PLUS: |
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123 switch (GET_CODE (XEXP (x, 1))) |
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124 { |
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125 case CONST_INT: |
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126 fprintf (file, "%ld(%s)", |
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127 INTVAL(XEXP (x, 1)), reg_names[REGNO (XEXP (x, 0))]); |
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128 break; |
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129 case SYMBOL_REF: |
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130 output_addr_const (file, XEXP (x, 1)); |
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131 fprintf (file, "(%s)", reg_names[REGNO (XEXP (x, 0))]); |
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132 break; |
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133 case CONST: |
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134 { |
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135 rtx plus = XEXP (XEXP (x, 1), 0); |
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136 if (GET_CODE (XEXP (plus, 0)) == SYMBOL_REF |
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137 && CONST_INT_P (XEXP (plus, 1))) |
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138 { |
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139 output_addr_const(file, XEXP (plus, 0)); |
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140 fprintf (file,"+%ld(%s)", INTVAL (XEXP (plus, 1)), |
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141 reg_names[REGNO (XEXP (x, 0))]); |
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142 } |
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143 else |
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144 abort(); |
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145 } |
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146 break; |
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147 default: |
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148 abort(); |
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149 } |
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150 break; |
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151 |
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152 default: |
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153 output_addr_const (file, x); |
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154 break; |
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155 } |
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156 } |
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157 |
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158 /* The PRINT_OPERAND worker. */ |
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159 |
111 | 160 static void |
55
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161 moxie_print_operand (FILE *file, rtx x, int code) |
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162 { |
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163 rtx operand = x; |
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164 |
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165 /* New code entries should just be added to the switch below. If |
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166 handling is finished, just return. If handling was just a |
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167 modification of the operand, the modified operand should be put in |
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168 "operand", and then do a break to let default handling |
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169 (zero-modifier) output the operand. */ |
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170 |
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171 switch (code) |
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172 { |
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173 case 0: |
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174 /* No code, print as usual. */ |
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175 break; |
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176 |
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177 default: |
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178 LOSE_AND_RETURN ("invalid operand modifier letter", x); |
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179 } |
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180 |
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181 /* Print an operand as without a modifier letter. */ |
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182 switch (GET_CODE (operand)) |
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183 { |
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184 case REG: |
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185 if (REGNO (operand) > MOXIE_R13) |
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186 internal_error ("internal error: bad register: %d", REGNO (operand)); |
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187 fprintf (file, "%s", reg_names[REGNO (operand)]); |
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188 return; |
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189 |
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190 case MEM: |
111 | 191 output_address (GET_MODE (XEXP (operand, 0)), XEXP (operand, 0)); |
55
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192 return; |
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193 |
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194 default: |
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195 /* No need to handle all strange variants, let output_addr_const |
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196 do it for us. */ |
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197 if (CONSTANT_P (operand)) |
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198 { |
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199 output_addr_const (file, operand); |
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200 return; |
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201 } |
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202 |
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203 LOSE_AND_RETURN ("unexpected operand", x); |
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204 } |
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205 } |
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206 |
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207 /* Per-function machine data. */ |
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208 struct GTY(()) machine_function |
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209 { |
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210 /* Number of bytes saved on the stack for callee saved registers. */ |
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211 int callee_saved_reg_size; |
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212 |
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213 /* Number of bytes saved on the stack for local variables. */ |
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214 int local_vars_size; |
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215 |
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216 /* The sum of 2 sizes: locals vars and padding byte for saving the |
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217 * registers. Used in expand_prologue () and expand_epilogue(). */ |
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218 int size_for_adjusting_sp; |
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219 }; |
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220 |
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221 /* Zero initialization is OK for all current fields. */ |
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222 |
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223 static struct machine_function * |
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224 moxie_init_machine_status (void) |
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225 { |
111 | 226 return ggc_cleared_alloc<machine_function> (); |
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227 } |
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228 |
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229 |
111 | 230 /* The TARGET_OPTION_OVERRIDE worker. */ |
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231 static void |
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232 moxie_option_override (void) |
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233 { |
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234 /* Set the per-function-data initializer. */ |
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235 init_machine_status = moxie_init_machine_status; |
111 | 236 |
237 #ifdef TARGET_MOXIEBOX | |
238 target_flags |= MASK_HAS_MULX; | |
239 #endif | |
55
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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++) |
145 | 267 if (df_regs_ever_live_p (regno) && (! call_used_or_fixed_reg_p (regno))) |
55
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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 |
131 | 273 + (ACCUMULATE_OUTGOING_ARGS |
274 ? (HOST_WIDE_INT) crtl->outgoing_args_size : 0); | |
55
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275 } |
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276 |
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277 void |
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278 moxie_expand_prologue (void) |
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279 { |
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280 int regno; |
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281 rtx insn; |
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282 |
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283 moxie_compute_frame (); |
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284 |
111 | 285 if (flag_stack_usage_info) |
286 current_function_static_stack_size = cfun->machine->size_for_adjusting_sp; | |
287 | |
55
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288 /* Save callee-saved registers. */ |
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289 for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) |
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290 { |
145 | 291 if (df_regs_ever_live_p (regno) |
292 && !call_used_or_fixed_reg_p (regno)) | |
55
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293 { |
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294 insn = emit_insn (gen_movsi_push (gen_rtx_REG (Pmode, regno))); |
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295 RTX_FRAME_RELATED_P (insn) = 1; |
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296 } |
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297 } |
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298 |
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299 if (cfun->machine->size_for_adjusting_sp > 0) |
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300 { |
111 | 301 int i = cfun->machine->size_for_adjusting_sp; |
302 while ((i >= 255) && (i <= 510)) | |
55
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303 { |
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304 insn = emit_insn (gen_subsi3 (stack_pointer_rtx, |
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305 stack_pointer_rtx, |
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306 GEN_INT (255))); |
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307 RTX_FRAME_RELATED_P (insn) = 1; |
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308 i -= 255; |
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309 } |
111 | 310 if (i <= 255) |
55
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311 { |
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312 insn = emit_insn (gen_subsi3 (stack_pointer_rtx, |
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313 stack_pointer_rtx, |
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314 GEN_INT (i))); |
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315 RTX_FRAME_RELATED_P (insn) = 1; |
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316 } |
111 | 317 else |
318 { | |
319 rtx reg = gen_rtx_REG (SImode, MOXIE_R12); | |
320 insn = emit_move_insn (reg, GEN_INT (i)); | |
321 RTX_FRAME_RELATED_P (insn) = 1; | |
322 insn = emit_insn (gen_subsi3 (stack_pointer_rtx, | |
323 stack_pointer_rtx, | |
324 reg)); | |
325 RTX_FRAME_RELATED_P (insn) = 1; | |
326 } | |
55
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327 } |
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328 } |
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329 |
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330 void |
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331 moxie_expand_epilogue (void) |
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332 { |
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|
333 int regno; |
67
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parents:
63
diff
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|
334 rtx reg; |
55
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335 |
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336 if (cfun->machine->callee_saved_reg_size != 0) |
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parents:
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337 { |
111 | 338 reg = gen_rtx_REG (Pmode, MOXIE_R12); |
55
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339 if (cfun->machine->callee_saved_reg_size <= 255) |
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|
340 { |
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341 emit_move_insn (reg, hard_frame_pointer_rtx); |
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342 emit_insn (gen_subsi3 |
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parents:
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343 (reg, reg, |
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344 GEN_INT (cfun->machine->callee_saved_reg_size))); |
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|
345 } |
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346 else |
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347 { |
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parents:
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348 emit_move_insn (reg, |
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349 GEN_INT (-cfun->machine->callee_saved_reg_size)); |
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350 emit_insn (gen_addsi3 (reg, reg, hard_frame_pointer_rtx)); |
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|
351 } |
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parents:
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352 for (regno = FIRST_PSEUDO_REGISTER; regno-- > 0; ) |
145 | 353 if (!call_used_or_fixed_reg_p (regno) |
55
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354 && df_regs_ever_live_p (regno)) |
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parents:
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|
355 { |
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|
356 rtx preg = gen_rtx_REG (Pmode, regno); |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
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|
357 emit_insn (gen_movsi_pop (reg, preg)); |
55
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358 } |
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359 } |
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360 |
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parents:
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361 emit_jump_insn (gen_returner ()); |
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parents:
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362 } |
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363 |
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parents:
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|
364 /* Implements the macro INITIAL_ELIMINATION_OFFSET, return the OFFSET. */ |
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|
365 |
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parents:
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|
366 int |
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parents:
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367 moxie_initial_elimination_offset (int from, int to) |
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parents:
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368 { |
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parents:
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369 int ret; |
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parents:
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370 |
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parents:
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371 if ((from) == FRAME_POINTER_REGNUM && (to) == HARD_FRAME_POINTER_REGNUM) |
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parents:
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|
372 { |
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373 /* Compute this since we need to use cfun->machine->local_vars_size. */ |
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374 moxie_compute_frame (); |
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375 ret = -cfun->machine->callee_saved_reg_size; |
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parents:
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|
376 } |
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parents:
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377 else if ((from) == ARG_POINTER_REGNUM && (to) == HARD_FRAME_POINTER_REGNUM) |
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parents:
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378 ret = 0x00; |
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379 else |
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380 abort (); |
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381 |
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382 return ret; |
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parents:
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383 } |
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384 |
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parents:
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385 /* Worker function for TARGET_SETUP_INCOMING_VARARGS. */ |
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386 |
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parents:
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387 static void |
111 | 388 moxie_setup_incoming_varargs (cumulative_args_t cum_v, |
145 | 389 const function_arg_info &, |
55
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parents:
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390 int *pretend_size, int no_rtl) |
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parents:
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391 { |
111 | 392 CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v); |
55
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parents:
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393 int regno; |
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394 int regs = 8 - *cum; |
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parents:
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395 |
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396 *pretend_size = regs < 0 ? 0 : GET_MODE_SIZE (SImode) * regs; |
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397 |
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398 if (no_rtl) |
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399 return; |
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400 |
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parents:
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401 for (regno = *cum; regno < 8; regno++) |
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parents:
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402 { |
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403 rtx reg = gen_rtx_REG (SImode, regno); |
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parents:
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404 rtx slot = gen_rtx_PLUS (Pmode, |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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405 gen_rtx_REG (SImode, ARG_POINTER_REGNUM), |
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parents:
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406 GEN_INT (UNITS_PER_WORD * (3 + (regno-2)))); |
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parents:
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407 |
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parents:
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408 emit_move_insn (gen_rtx_MEM (SImode, slot), reg); |
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parents:
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|
409 } |
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parents:
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410 } |
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parents:
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|
411 |
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parents:
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412 |
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parents:
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413 /* Return the fixed registers used for condition codes. */ |
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parents:
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|
414 |
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parents:
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|
415 static bool |
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parents:
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|
416 moxie_fixed_condition_code_regs (unsigned int *p1, unsigned int *p2) |
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parents:
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|
417 { |
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parents:
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|
418 *p1 = CC_REG; |
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parents:
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419 *p2 = INVALID_REGNUM; |
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parents:
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420 return true; |
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parents:
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421 } |
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parents:
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|
422 |
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parents:
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423 /* Return the next register to be used to hold a function argument or |
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parents:
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424 NULL_RTX if there's no more space. */ |
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parents:
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|
425 |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
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|
426 static rtx |
145 | 427 moxie_function_arg (cumulative_args_t cum_v, const function_arg_info &arg) |
55
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parents:
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428 { |
111 | 429 CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v); |
430 | |
67
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parents:
63
diff
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|
431 if (*cum < 8) |
145 | 432 return gen_rtx_REG (arg.mode, *cum); |
55
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parents:
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433 else |
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parents:
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434 return NULL_RTX; |
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parents:
diff
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|
435 } |
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parents:
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|
436 |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
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|
437 #define MOXIE_FUNCTION_ARG_SIZE(MODE, TYPE) \ |
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parents:
63
diff
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|
438 ((MODE) != BLKmode ? GET_MODE_SIZE (MODE) \ |
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parents:
63
diff
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|
439 : (unsigned) int_size_in_bytes (TYPE)) |
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parents:
63
diff
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|
440 |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
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|
441 static void |
145 | 442 moxie_function_arg_advance (cumulative_args_t cum_v, |
443 const function_arg_info &arg) | |
67
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parents:
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diff
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444 { |
111 | 445 CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v); |
446 | |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
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|
447 *cum = (*cum < MOXIE_R6 |
145 | 448 ? *cum + ((3 + MOXIE_FUNCTION_ARG_SIZE (arg.mode, arg.type)) / 4) |
67
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parents:
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diff
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449 : *cum); |
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parents:
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diff
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|
450 } |
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451 |
145 | 452 /* Return non-zero if the function argument described by ARG is to be |
55
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parents:
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453 passed by reference. */ |
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parents:
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|
454 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
455 static bool |
145 | 456 moxie_pass_by_reference (cumulative_args_t, const function_arg_info &arg) |
55
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parents:
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457 { |
145 | 458 if (arg.aggregate_type_p ()) |
459 return true; | |
460 unsigned HOST_WIDE_INT size = arg.type_size_in_bytes (); | |
55
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parents:
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|
461 return size > 4*6; |
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parents:
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|
462 } |
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parents:
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|
463 |
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parents:
diff
changeset
|
464 /* Some function arguments will only partially fit in the registers |
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parents:
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|
465 that hold arguments. Given a new arg, return the number of bytes |
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parents:
diff
changeset
|
466 that fit in argument passing registers. */ |
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parents:
diff
changeset
|
467 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
468 static int |
145 | 469 moxie_arg_partial_bytes (cumulative_args_t cum_v, const function_arg_info &arg) |
55
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parents:
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|
470 { |
111 | 471 CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v); |
55
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parents:
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|
472 int bytes_left, size; |
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parents:
diff
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|
473 |
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parents:
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changeset
|
474 if (*cum >= 8) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
475 return 0; |
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parents:
diff
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|
476 |
145 | 477 if (moxie_pass_by_reference (cum_v, arg)) |
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
478 size = 4; |
145 | 479 else if (arg.type) |
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
480 { |
145 | 481 if (AGGREGATE_TYPE_P (arg.type)) |
55
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parents:
diff
changeset
|
482 return 0; |
145 | 483 size = int_size_in_bytes (arg.type); |
55
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parents:
diff
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|
484 } |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
485 else |
145 | 486 size = GET_MODE_SIZE (arg.mode); |
55
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parents:
diff
changeset
|
487 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
488 bytes_left = (4 * 6) - ((*cum - 2) * 4); |
77e2b8dfacca
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parents:
diff
changeset
|
489 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
490 if (size > bytes_left) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
491 return bytes_left; |
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parents:
diff
changeset
|
492 else |
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parents:
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changeset
|
493 return 0; |
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parents:
diff
changeset
|
494 } |
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parents:
diff
changeset
|
495 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
496 /* Worker function for TARGET_STATIC_CHAIN. */ |
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parents:
diff
changeset
|
497 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
498 static rtx |
111 | 499 moxie_static_chain (const_tree ARG_UNUSED (fndecl_or_type), bool incoming_p) |
55
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parents:
diff
changeset
|
500 { |
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parents:
diff
changeset
|
501 rtx addr, mem; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
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|
502 |
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503 if (incoming_p) |
111 | 504 addr = plus_constant (Pmode, arg_pointer_rtx, 2 * UNITS_PER_WORD); |
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505 else |
111 | 506 addr = plus_constant (Pmode, stack_pointer_rtx, -UNITS_PER_WORD); |
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507 |
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508 mem = gen_rtx_MEM (Pmode, addr); |
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509 MEM_NOTRAP_P (mem) = 1; |
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510 |
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511 return mem; |
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512 } |
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513 |
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514 /* Worker function for TARGET_ASM_TRAMPOLINE_TEMPLATE. */ |
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515 |
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516 static void |
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517 moxie_asm_trampoline_template (FILE *f) |
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518 { |
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519 fprintf (f, "\tpush $sp, $r0\n"); |
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520 fprintf (f, "\tldi.l $r0, 0x0\n"); |
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521 fprintf (f, "\tsto.l 0x8($fp), $r0\n"); |
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522 fprintf (f, "\tpop $sp, $r0\n"); |
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523 fprintf (f, "\tjmpa 0x0\n"); |
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524 } |
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525 |
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526 /* Worker function for TARGET_TRAMPOLINE_INIT. */ |
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527 |
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528 static void |
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529 moxie_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value) |
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530 { |
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531 rtx mem, fnaddr = XEXP (DECL_RTL (fndecl), 0); |
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532 |
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533 emit_block_move (m_tramp, assemble_trampoline_template (), |
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534 GEN_INT (TRAMPOLINE_SIZE), BLOCK_OP_NORMAL); |
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535 |
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536 mem = adjust_address (m_tramp, SImode, 4); |
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537 emit_move_insn (mem, chain_value); |
111 | 538 mem = adjust_address (m_tramp, SImode, 16); |
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539 emit_move_insn (mem, fnaddr); |
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540 } |
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541 |
111 | 542 /* Return true for memory offset addresses between -32768 and 32767. */ |
543 bool | |
544 moxie_offset_address_p (rtx x) | |
545 { | |
546 x = XEXP (x, 0); | |
547 | |
548 if (GET_CODE (x) == PLUS) | |
549 { | |
550 x = XEXP (x, 1); | |
551 if (GET_CODE (x) == CONST_INT) | |
552 { | |
553 unsigned int v = INTVAL (x) & 0xFFFF8000; | |
554 return (v == 0xFFFF8000 || v == 0x00000000); | |
555 } | |
556 } | |
557 return 0; | |
558 } | |
559 | |
560 /* Helper function for `moxie_legitimate_address_p'. */ | |
561 | |
562 static bool | |
563 moxie_reg_ok_for_base_p (const_rtx reg, bool strict_p) | |
564 { | |
565 int regno = REGNO (reg); | |
566 | |
567 if (strict_p) | |
568 return HARD_REGNO_OK_FOR_BASE_P (regno) | |
569 || HARD_REGNO_OK_FOR_BASE_P (reg_renumber[regno]); | |
570 else | |
571 return !HARD_REGISTER_NUM_P (regno) | |
572 || HARD_REGNO_OK_FOR_BASE_P (regno); | |
573 } | |
574 | |
575 /* Worker function for TARGET_LEGITIMATE_ADDRESS_P. */ | |
576 | |
577 static bool | |
578 moxie_legitimate_address_p (machine_mode mode ATTRIBUTE_UNUSED, | |
579 rtx x, bool strict_p, | |
580 addr_space_t as) | |
581 { | |
582 gcc_assert (ADDR_SPACE_GENERIC_P (as)); | |
583 | |
584 if (GET_CODE(x) == PLUS | |
585 && REG_P (XEXP (x, 0)) | |
586 && moxie_reg_ok_for_base_p (XEXP (x, 0), strict_p) | |
587 && CONST_INT_P (XEXP (x, 1)) | |
588 && IN_RANGE (INTVAL (XEXP (x, 1)), -32768, 32767)) | |
589 return true; | |
590 if (REG_P (x) && moxie_reg_ok_for_base_p (x, strict_p)) | |
591 return true; | |
592 if (GET_CODE (x) == SYMBOL_REF | |
593 || GET_CODE (x) == LABEL_REF | |
594 || GET_CODE (x) == CONST) | |
595 return true; | |
596 return false; | |
597 } | |
598 | |
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599 /* The Global `targetm' Variable. */ |
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600 |
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601 /* Initialize the GCC target structure. */ |
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602 |
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603 #undef TARGET_PROMOTE_PROTOTYPES |
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604 #define TARGET_PROMOTE_PROTOTYPES hook_bool_const_tree_true |
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605 |
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606 #undef TARGET_RETURN_IN_MEMORY |
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607 #define TARGET_RETURN_IN_MEMORY moxie_return_in_memory |
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608 #undef TARGET_MUST_PASS_IN_STACK |
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609 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size |
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610 #undef TARGET_PASS_BY_REFERENCE |
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611 #define TARGET_PASS_BY_REFERENCE moxie_pass_by_reference |
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612 #undef TARGET_ARG_PARTIAL_BYTES |
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613 #define TARGET_ARG_PARTIAL_BYTES moxie_arg_partial_bytes |
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614 #undef TARGET_FUNCTION_ARG |
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615 #define TARGET_FUNCTION_ARG moxie_function_arg |
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616 #undef TARGET_FUNCTION_ARG_ADVANCE |
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617 #define TARGET_FUNCTION_ARG_ADVANCE moxie_function_arg_advance |
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618 |
111 | 619 #undef TARGET_LRA_P |
620 #define TARGET_LRA_P hook_bool_void_false | |
621 | |
622 #undef TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P | |
623 #define TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P moxie_legitimate_address_p | |
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624 |
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625 #undef TARGET_SETUP_INCOMING_VARARGS |
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626 #define TARGET_SETUP_INCOMING_VARARGS moxie_setup_incoming_varargs |
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627 |
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628 #undef TARGET_FIXED_CONDITION_CODE_REGS |
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629 #define TARGET_FIXED_CONDITION_CODE_REGS moxie_fixed_condition_code_regs |
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630 |
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631 /* Define this to return an RTX representing the place where a |
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632 function returns or receives a value of data type RET_TYPE, a tree |
111 | 633 node representing a data type. */ |
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634 #undef TARGET_FUNCTION_VALUE |
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635 #define TARGET_FUNCTION_VALUE moxie_function_value |
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636 #undef TARGET_LIBCALL_VALUE |
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637 #define TARGET_LIBCALL_VALUE moxie_libcall_value |
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638 #undef TARGET_FUNCTION_VALUE_REGNO_P |
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639 #define TARGET_FUNCTION_VALUE_REGNO_P moxie_function_value_regno_p |
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640 |
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641 #undef TARGET_FRAME_POINTER_REQUIRED |
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642 #define TARGET_FRAME_POINTER_REQUIRED hook_bool_void_true |
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643 |
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644 #undef TARGET_STATIC_CHAIN |
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645 #define TARGET_STATIC_CHAIN moxie_static_chain |
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646 #undef TARGET_ASM_TRAMPOLINE_TEMPLATE |
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647 #define TARGET_ASM_TRAMPOLINE_TEMPLATE moxie_asm_trampoline_template |
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648 #undef TARGET_TRAMPOLINE_INIT |
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649 #define TARGET_TRAMPOLINE_INIT moxie_trampoline_init |
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650 |
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651 #undef TARGET_OPTION_OVERRIDE |
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652 #define TARGET_OPTION_OVERRIDE moxie_option_override |
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653 |
111 | 654 #undef TARGET_PRINT_OPERAND |
655 #define TARGET_PRINT_OPERAND moxie_print_operand | |
656 #undef TARGET_PRINT_OPERAND_ADDRESS | |
657 #define TARGET_PRINT_OPERAND_ADDRESS moxie_print_operand_address | |
658 | |
659 #undef TARGET_CONSTANT_ALIGNMENT | |
660 #define TARGET_CONSTANT_ALIGNMENT constant_alignment_word_strings | |
661 | |
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662 struct gcc_target targetm = TARGET_INITIALIZER; |
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663 |
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664 #include "gt-moxie.h" |