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111
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1 /* This failed on s390x due to bug in loop.c.
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2 loop.c failed to remove a REG_EQUAL note when
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3 hoisting an insn from a loop body. */
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4
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5 /* { dg-options "-O3 -fPIC" } */
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6 /* { dg-do run { target fpic } } */
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7
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8 typedef __SIZE_TYPE__ size_t;
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9 int memcmp(const void *s1, const void *s2, size_t n);
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10
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11 typedef struct
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12 {
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13 char name[30];
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14 int a;
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15 } LOCAL;
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16
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17 int global = 0;
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18 int sy = 1;
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19 int subroutine_offset;
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20
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21 LOCAL local = { "local", 0 };
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22 LOCAL keywords = { "keywords", 1 };
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23 int local_table = 0;
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24 int keywords_table = 0;
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25
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26 void __attribute__((noinline)) bar (char *p_buffer)
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27 {
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28 p_buffer[255] = 1;
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29 }
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30
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31 int __attribute__((noinline)) foo (char *p_str1)
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32 {
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33 global = 1;
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34 return 1;
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35 }
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36
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37 int __attribute__((noinline)) loop_next (int *p_table, char *p_table_head)
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38 {
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39 static int loop_next = 0;
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40
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41 if (loop_next == 1)
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42 return 1;
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43
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44 loop_next = 1;
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45 return 0;
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46 }
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47
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48 int
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49 main ()
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50 {
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51 char buffer[256];
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52 int ende = 0;
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53 int index;
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54 int local_base = 2;
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55
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56 keywords.a = 1;
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57 for (sy = 0;; sy++)
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58 {
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59 for (index = 1;;)
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60 {
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61 bar (buffer);
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62 if (buffer[sy] != 0)
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63 {
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64 ende = 1;
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65 break;
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66 };
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67 if (foo (buffer))
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68 {
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69 keywords.a += index - 1;
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70 break;
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71 }
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72 index++;
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73 }
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74 if (ende)
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75 break;
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76 }
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77
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78 subroutine_offset = 0;
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79
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80 for (;;)
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81 {
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82 if (loop_next (&keywords_table, (char*)&keywords))
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83 break;
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84
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85 if ((!memcmp (keywords.name, "+++", 3)))
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86 local_base = 100;
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87 else
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88 local_base = 0;
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89
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90 if ((!memcmp (keywords.name, "+++", 3)))
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91 subroutine_offset += local_table;
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92
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93 for (;;)
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94 {
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95 if (loop_next (&local_table, (char*)&local))
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96 break;;
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97 if ((local.a == 0))
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98 continue;;
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99 foo (local.name);
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100 }
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101 }
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102 return 0;
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103 }
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