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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [recip-4.c] - Rev 826

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/* { dg-do compile } */
/* { dg-options "-O1 -fno-trapping-math -funsafe-math-optimizations -fdump-tree-recip" } */
 
/* based on the test case in pr23109 */
 
double F[2] = { 0., 0. }, e = 0.;
 
/* Nope, we cannot prove the optimization is worthwhile in this case.  */
void f ()
{
	int i;
	double E, W, P, d;
 
	W = 1.;
	d = 2.*e;
	E = 1. - d;
 
	if( d > 0.01 )
	{
		P = ( W < E ) ? (W - E)/d : (E - W)/d;
		F[i] += P;
	}
}
 
/* We also cannot prove the optimization is worthwhile in this case.  */
float g ()
{
	int i;
	double E, W, P, d;
 
	W = 1.;
	d = 2.*e;
	E = 1. - d;
 
	if( d > 0.01 )
	{
		P = ( W < E ) ? (W - E)/d : (E - W)/d;
		F[i] += P;
	}
 
	return 1.0 / d;
}
 
/* { dg-final { scan-tree-dump-not "reciptmp" "recip" } } */
/* { dg-final { cleanup-tree-dump "recip" } } */
 

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