65 lines
853 B
C
65 lines
853 B
C
/* { dg-do run } */
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/* { dg-options "-O2 -fomit-frame-pointer" } */
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/* { dg-options "-O2 -fomit-frame-pointer -march=i386" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
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extern void abort (void);
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extern void exit (int);
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struct S
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{
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int *a;
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unsigned char *b, c;
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};
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int u, v, w;
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void
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foo (unsigned short x)
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{
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u += x;
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}
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int
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bar (struct S **x, int *y)
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{
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w += *y;
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*y = w + 25;
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return 0;
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}
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int
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baz (struct S **x)
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{
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struct S *y = *x;
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unsigned char *a = y->b;
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foo (*a);
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if (__builtin_expect (y->c != 0 || y->a == &v, 0))
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return 1;
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if (__builtin_expect (*a == 1, 0))
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{
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int a, b = bar (x, &a);
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if (a)
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return b;
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}
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return 0;
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}
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int
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main (void)
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{
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struct S a, *b = &a;
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unsigned char c;
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__builtin_memset (b, 0, sizeof (a));
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a.a = &v;
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a.b = &c;
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if (baz (&b) != 1)
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abort ();
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exit (0);
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}
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