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111
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1 /* PR middle-end/70025 */
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2 /* { dg-do run } */
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3 /* { dg-additional-options "-mtune=z10" { target s390*-*-* } } */
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4 /* { dg-require-effective-target int32plus } */
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5
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6 typedef char (*F) (unsigned long, void *);
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7 typedef union { struct A { char a1, a2, a3, a4; unsigned long a5; F a6; void *a7; } b; char c[1]; } B;
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8 struct C { const char *c1; unsigned long c2; };
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9 typedef struct D { unsigned long d1; int d2; const char *d3; unsigned long d4, d5; struct C d6[49]; char d7[8]; } E[1];
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10
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11 __attribute__ ((noinline, noclone))
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12 void foo (register E p)
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13 {
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14 asm volatile ("" : : "r" (p) : "memory");
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15 }
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16
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17 __attribute__ ((noinline, noclone))
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18 void bar (register E p)
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19 {
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20 register unsigned long k = p[0].d1 + 1;
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21 register struct C *l = &p[0].d6[p[0].d2];
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22 register const char *m = l->c1;
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23 p[0].d1 = k;
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24 if (*m == '\0')
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25 {
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26 register struct A *f = &((B *) m)->b;
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27 register unsigned long n = l->c2;
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28 register unsigned long o = n + f->a5;
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29 if (k < o)
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30 {
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31 register unsigned long i;
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32 register unsigned long q = k + 8;
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33 register F a6 = f->a6;
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34 register void *a7 = f->a7;
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35 if (q > o)
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36 q = o;
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37 for (i = k; i < q; i++)
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38 p[0].d7[i - k] = (*a6) (i - n, a7);
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39 p[0].d4 = k;
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40 p[0].d3 = p[0].d7;
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41 p[0].d5 = q;
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42 return;
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43 }
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44 }
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45 while (p[0].d2 > 0 && l[0].c2 != l[-1].c2)
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46 {
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47 p[0].d2--;
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48 l--;
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49 }
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50 if (p[0].d2 == 0)
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51 {
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52 p[0].d2 = 0x55555555;
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53 return;
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54 }
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55 p[0].d2--;
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56 foo (p);
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57 }
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58
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59 char
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60 baz (unsigned long i, void *j)
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61 {
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62 if (j != 0)
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63 __builtin_abort ();
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64 return (char) i;
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65 }
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66
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67 int
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68 main ()
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69 {
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70 struct D p;
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71 struct A f;
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72 __builtin_memset (&f, 0, sizeof (f));
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73 f.a2 = 4;
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74 f.a5 = 13;
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75 f.a6 = baz;
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76 __builtin_memset (&p, 0, sizeof (p));
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77 p.d6[0].c1 = (const char *) &f;
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78 bar (&p);
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79 if (p.d4 != 1 || p.d5 != 9 || p.d3 != p.d7)
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80 __builtin_abort ();
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81 return 0;
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82 }
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