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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [20020607-1.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* PR middle-end/6950
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   gcc 3.0.4 mistakenly set lhs.low to 0 at the beginning of the num_eq
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   expansion; it should use a temporary.
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/* { dg-do run } */
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typedef struct cpp_num cpp_num;
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struct cpp_num
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{
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  long high;
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  long low;
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  char overflow;
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};
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#define num_eq(num1, num2) (num1.low == num2.low && num1.high == num2.high)
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static cpp_num
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num_equality_op (lhs, rhs)
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     cpp_num lhs, rhs;
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{
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  lhs.low = num_eq (lhs, rhs);
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  lhs.high = 0;
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  lhs.overflow = 0;
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  return lhs;
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}
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int main()
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{
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  cpp_num a = { 1, 2 };
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  cpp_num b = { 3, 4 };
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  cpp_num result = num_equality_op (a, b);
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  if (result.low)
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    return 1;
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  result = num_equality_op (a, a);
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  if (!result.low)
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    return 2;
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  return 0;
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}

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