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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [divconst-2.c] - Blame information for rev 297

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Line No. Rev Author Line
1 297 jeremybenn
long
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f (long x)
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{
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  return x / (-0x7fffffffL - 1L);
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}
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long
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r (long x)
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{
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  return x % (-0x7fffffffL - 1L);
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}
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/* Since we have a negative divisor, this equation must hold for the
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   results of / and %; no specific results are guaranteed.  */
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long
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std_eqn (long num, long denom, long quot, long rem)
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{
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  /* For completeness, a check for "ABS (rem) < ABS (denom)" belongs here,
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     but causes trouble on 32-bit machines and isn't worthwhile.  */
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  return quot * (-0x7fffffffL - 1L) + rem == num;
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}
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long nums[] =
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{
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  -1L, 0x7fffffffL, -0x7fffffffL - 1L
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};
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main ()
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{
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  int i;
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  for (i = 0;
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       i < sizeof (nums) / sizeof (nums[0]);
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       i++)
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    if (std_eqn (nums[i], -0x7fffffffL - 1L, f (nums[i]), r (nums[i])) == 0)
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      abort ();
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  exit (0);
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}

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