45 lines
677 B
C
45 lines
677 B
C
/* { dg-do run } */
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extern "C" void abort (void);
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struct S { unsigned int i : 24; } x;
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void __attribute__((noinline)) test1()
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{
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if (--x.i != 0x00ffffff)
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abort ();
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if (x.i != 0x00ffffff)
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abort ();
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}
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void __attribute__((noinline)) test2()
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{
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if (x.i-- != 0)
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abort ();
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if (x.i != 0x00ffffff)
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abort ();
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}
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void __attribute__((noinline)) test3()
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{
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if (++x.i != 0)
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abort ();
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if (x.i != 0)
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abort ();
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}
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void __attribute__((noinline)) test4()
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{
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if (x.i++ != 0x00ffffff)
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abort ();
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if (x.i != 0)
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abort ();
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}
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int main()
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{
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x.i = 0;
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test1();
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x.i = 0;
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test2();
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x.i = 0x00ffffff;
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test3();
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x.i = 0x00ffffff;
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test4();
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return 0;
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}
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