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111
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1 // { dg-do assemble }
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2 // { dg-options "-Wno-deprecated -Wreturn-type" }
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3 // GROUPS passed i960
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4 /*
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5 Bug Id: bnr
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6 PMRS Id: p0000646
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7 Bug is: Urgent Code Generation Problem in gcc-i960 V 1.95
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8 */
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9
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10
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11
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12 extern "C"
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13 {
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14 int printf (const char *, ...);
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15 void abort ();
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16 }
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17
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18 struct foo
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19 {
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20 static int si;
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21 int i;
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22 foo ();
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23 foo (const foo&);
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24 ~foo ();
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25 };
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26
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27 int
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28 foo_parm_returns_i (foo foo_arg)
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29 {
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30 return foo_arg.i;
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31 }
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32
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33 int foo::si = 0;
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34
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35 foo::foo ()
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36 {
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37 si++;
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38 printf ("new foo @ 0x%x; now %d foos\n", this, si);
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39 }
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40
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41 foo::foo (const foo &other)
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42 {
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43 si++;
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44 printf ("another foo @ 0x%x; now %d foos\n", this, si);
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45 *this = other;
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46 }
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47
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48 foo::~foo ()
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49 {
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50 si--;
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51 printf ("deleted foo @ 0x%x; now %d foos\n", this, si);
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52 }
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53
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54 int
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55 return_1 ()
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56 {
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57 foo f;
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58 printf ("returning 1\n");
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59 return 1;
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60 }
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61
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62 int
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63 return_arg (int arg)
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64 {
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65 foo f;
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66 printf ("returning %d\n", arg);
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67 return arg;
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68 }
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69
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70 int
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71 return_sum (int x, int y)
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72 {
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73 foo f;
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74 printf ("returning %d+%d\n", x, y);
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75 return x + y;
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76 }
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77
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78 foo
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79 return_foo ()
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80 {
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81 foo f;
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82 printf ("returning foo\n");
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83 return f;
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84 }
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85
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86 foo
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87 foo_parm_returns_foo (foo f)
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88 {
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89 return f;
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90 }
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91
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92 void
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93 abort_because (const char *str)
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94 {
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95 printf ("aborting because %s\n", str);
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96 abort ();
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97 }
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98
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99 int
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100 warn_return_1 ()
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101 {
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102 foo f;
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103 printf ("returning 1\n");
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104 } // { dg-warning "" } control reaches end
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105
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106 int
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107 warn_return_arg (int arg)
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108 {
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109 foo f;
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110 printf ("returning %d\n", arg);
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111 arg;
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112 } // { dg-warning "" } control reaches end
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113
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114 int
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115 warn_return_sum (int x, int y)
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116 {
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117 foo f;
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118 printf ("returning %d+%d\n", x, y);
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119 x + y;
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120 } // { dg-warning "" } control reaches end
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121
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122 foo
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123 warn_return_foo ()
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124 {
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125 foo f;
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126 printf ("returning foo\n");
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127 } // { dg-warning "" } control reaches end
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128
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129 foo
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130 warn_foo_parm_returns_foo (foo f)
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131 {
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132 f;
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133 } // { dg-warning "" } control reaches end
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134
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135 main () // { dg-warning "" } no type
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136 {
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137 int ii = return_1 ();
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138 if (ii != 1)
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139 abort_because ("wrong value returned");
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140 int j = return_arg (42);
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141 if (j != 42)
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142 abort_because ("wrong value returned");
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143 int k = return_sum (-69, 69);
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144 if (k != 0)
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145 abort_because ("wrong value returned");
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146 foo f1 = return_foo ();
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147 if (foo::si != 1)
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148 abort_because ("wrong number of foos");
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149 f1.i = 5;
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150 int l = foo_parm_returns_i (f1);
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151 if (l != 5)
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152 abort_because ("l != 5");
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153 foo f2 = foo_parm_returns_foo (f1);
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154 if (foo::si != 2)
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155 abort_because ("wrong number of foos");
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156 if (f2.i != 5)
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157 abort_because ("f2.i != 5");
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158 foo f3 = return_foo ();
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159 if (foo::si != 3)
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160 abort_because ("wrong number of foos");
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161 printf("PASS\n");
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162 return 0;
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163 }
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