28 lines
634 B
C
28 lines
634 B
C
/* With -ffast-math, the latice value for sum2 used to change from NaN to
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VARYING, in turn causing the lattice value of sum1 * sum2 change from
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NaN to 0 (since sum1 is believed to be 0 at that moment, and
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0 * VARYING = 0 with -ffast-math), which caused an ICE. */
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/* { dg-do compile } */
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/* { dg-options "-O2 -ffast-math" } */
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int
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foo (float *array, int end)
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{
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int i;
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float sum1, sum2;
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sum2 = 0;
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for (i = 0; i < end; i++)
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sum2 = sum2+array[i];
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sum2 = 1./sum2;
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sum1 = 0.;
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for (i = 0; i < end; i++)
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sum1 = sum1+array[i];
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sum1 = sum1 * sum2;
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if (-10.0 / sum1 < 5.E-5)
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end = 0;
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return end;
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}
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