40 lines
568 B
C
40 lines
568 B
C
/* Copyright (C) 2003 Free Software Foundation.
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Check that constant folding (c1 - x) op c2 into x swap(op) c1-c2
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doesn't break anything.
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Written by Roger Sayle, 27th March 2003. */
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/* { dg-do run } */
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/* { dg-options "-O2 -ffast-math" } */
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extern void abort (void);
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extern float fabs(float);
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int foo(double x)
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{
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return (10.0 - x) > 3.0;
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}
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int bar (double x)
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{
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return (10.0 - x) == 5.0;
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}
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int main()
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{
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if (foo (8.0))
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abort ();
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if (! foo (6.0))
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abort ();
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if (bar (1.0))
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exit (1);
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if (! bar (5.0))
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exit (2);
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return 0;
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}
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