Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-do compile } */

/* { dg-options "-O2 -funsafe-math-optimizations -ftrapping-math -fdump-tree-recip -fdump-tree-lim" } */

/* { dg-options "-O2 -funsafe-math-optimizations -ftrapping-math -fdump-tree-recip -fdump-tree-lim" } */

/* { dg-warning "-fassociative-math disabled" "" { target *-*-* } 1 } */

/* { dg-warning "-fassociative-math disabled" "" { target *-*-* } 1 } */

double F[2] = { 0., 0. }, e = 0.;

double F[2] = { 0., 0. }, e = 0.;

int main()

int main()

{

{

        int i;

        int i;

        double E, W, P, d;

        double E, W, P, d;

        /* make sure the program crashes on FP exception */

        /* make sure the program crashes on FP exception */

        unsigned short int Mask;

        unsigned short int Mask;

        W = 1.;

        W = 1.;

        d = 2.*e;

        d = 2.*e;

        E = 1. - d;

        E = 1. - d;

        for( i=0; i < 2; i++ )

        for( i=0; i < 2; i++ )

                if( d > 0.01 )

                if( d > 0.01 )

                {

                {

                        P = ( W < E ) ? (W - E)/d : (E - W)/d;

                        P = ( W < E ) ? (W - E)/d : (E - W)/d;

                        F[i] += P;

                        F[i] += P;

                }

                }

        return 0;

        return 0;

}

}

/* LIM only performs the transformation in the no-trapping-math case.  In

/* LIM only performs the transformation in the no-trapping-math case.  In

   the future we will do it for trapping-math as well in recip, check that

   the future we will do it for trapping-math as well in recip, check that

   this is not wrongly optimized.  */

   this is not wrongly optimized.  */

/* { dg-final { scan-tree-dump-not "reciptmp" "lim1" } } */

/* { dg-final { scan-tree-dump-not "reciptmp" "lim1" } } */

/* { dg-final { scan-tree-dump-not "reciptmp" "recip" } } */

/* { dg-final { scan-tree-dump-not "reciptmp" "recip" } } */

/* { dg-final { cleanup-tree-dump "recip" } } */

/* { dg-final { cleanup-tree-dump "recip" } } */

/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */

/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */