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/* { dg-do compile } */
/* { dg-options "-Ofast -fdump-tree-optimized-raw" } */
/* Don't expect any of these divisions to be extracted. */
double f (double x, int p)
{
if (p > 0)
{
return 1.0/(x * x);
}
if (p > -1)
{
return x * x * x;
}
return 1.0 /(x);
}
/* Expect a reciprocal to be extracted here. */
double g (double *a, double x, double y)
{
*a = 3 / y;
double k = x / (y * y);
if (y * y == 2.0)
return k + 1 / y;
else
return k - 1 / y;
}
/* Expect 2 divisions in 'f' and 1 in 'g'. */
/* { dg-final { scan-tree-dump-times "rdiv_expr" 3 "optimized" } } */
/* Expect 3 multiplications in 'f' and 4 in 'g'. */
/* { dg-final { scan-tree-dump-times "mult_expr" 7 "optimized" } } */
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