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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [recip-4.c] - Blame information for rev 867

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Line No. Rev Author Line
1 149 jeremybenn 
/* { dg-do compile } */
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/* { dg-options "-O1 -fno-trapping-math -funsafe-math-optimizations -fdump-tree-recip" } */
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/* based on the test case in pr23109 */
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double F[2] = { 0., 0. }, e = 0.;
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/* Nope, we cannot prove the optimization is worthwhile in this case.  */
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void f ()
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{
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        int i;
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        double E, W, P, d;
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        W = 1.;
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        d = 2.*e;
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        E = 1. - d;
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        if( d > 0.01 )
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        {
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                P = ( W < E ) ? (W - E)/d : (E - W)/d;
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                F[i] += P;
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        }
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}
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/* We also cannot prove the optimization is worthwhile in this case.  */
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float g ()
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{
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        int i;
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        double E, W, P, d;
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        W = 1.;
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        d = 2.*e;
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        E = 1. - d;
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        if( d > 0.01 )
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        {
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                P = ( W < E ) ? (W - E)/d : (E - W)/d;
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                F[i] += P;
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        }
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        return 1.0 / d;
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}
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/* { dg-final { scan-tree-dump-not "reciptmp" "recip" } } */
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/* { dg-final { cleanup-tree-dump "recip" } } */

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