37 lines
940 B
C
37 lines
940 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -funsafe-math-optimizations -ftrapping-math -fdump-tree-recip -fdump-tree-lim" } */
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/* { dg-warning "-fassociative-math disabled" "" { target *-*-* } 1 } */
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double F[2] = { 0., 0. }, e = 0.;
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int main()
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{
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int i;
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double E, W, P, d;
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/* make sure the program crashes on FP exception */
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unsigned short int Mask;
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W = 1.;
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d = 2.*e;
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E = 1. - d;
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for( i=0; i < 2; i++ )
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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 0;
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}
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/* LIM only performs the transformation in the no-trapping-math case. In
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the future we will do it for trapping-math as well in recip, check that
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this is not wrongly optimized. */
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/* { dg-final { scan-tree-dump-not "reciptmp" "lim1" } } */
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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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/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */
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