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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [20030804-1.c] - Blame information for rev 689

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Line No. Rev Author Line
1 689 jeremybenn
/* Copyright (C) 2003 Free Software Foundation.
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   Check that constant folding of mathematical expressions doesn't
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   break anything.
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   Written by Roger Sayle, 3rd August 2003.  */
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/* { dg-do link } */
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/* { dg-options "-O2 -ffast-math" } */
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extern void link_error(void);
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void test(double x)
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{
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  if (x+x != 2.0*x)
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    link_error ();
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  if (x+x != x*2.0)
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    link_error ();
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  if (x+x+x != 3.0*x)
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    link_error ();
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  if (x+x+x != x*3.0)
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    link_error ();
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  if ((x+x)+x != 3.0*x)
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    link_error ();
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  if ((x+x)+x != x*3.0)
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    link_error ();
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  if (x+(x+x) != 3.0*x)
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    link_error ();
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  if (x+(x+x) != x*3.0)
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    link_error ();
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  if (x+4.0*x != 5.0*x)
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    link_error ();
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  if (x+4.0*x != x*5.0)
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    link_error ();
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  if (x+x*4.0 != 5.0*x)
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    link_error ();
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  if (x+x*4.0 != x*5.0)
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    link_error ();
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  if (4.0*x+x != 5.0*x)
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    link_error ();
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  if (4.0*x+x != x*5.0)
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    link_error ();
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  if (x*4.0+x != 5.0*x)
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    link_error ();
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  if (x*4.0+x != x*5.0)
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    link_error ();
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  if (3.0*x + 5.0*x != 8.0*x)
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    link_error ();
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  if (3.0*x + 5.0*x != x*8.0)
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    link_error ();
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  if (x*3.0 + 5.0*x != 8.0*x)
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    link_error ();
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  if (x*3.0 + 5.0*x != x*8.0)
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    link_error ();
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  if (3.0*x + x*5.0 != 8.0*x)
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    link_error ();
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  if (3.0*x + x*5.0 != x*8.0)
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    link_error ();
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  if (x*3.0 + x*5.0 != 8.0*x)
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    link_error ();
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  if (x*3.0 + x*5.0 != x*8.0)
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    link_error ();
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}
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int main()
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{
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  test(2.0);
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  return 0;
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}
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