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Rev 298 |
Rev 338 |
/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O -ffast-math -fdump-tree-reassoc1 -fdump-tree-optimized" } */
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/* { dg-options "-O -ffast-math -fdump-tree-reassoc1 -fdump-tree-optimized" } */
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double foo(double a)
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double foo(double a)
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{
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{
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double tmp = 5.0;
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double tmp = 5.0;
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double tmp2 = a + tmp;
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double tmp2 = a + tmp;
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tmp2 = tmp2 - a;
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tmp2 = tmp2 - a;
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return a + tmp2 - 5.0;
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return a + tmp2 - 5.0;
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}
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}
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/* { dg-final { scan-tree-dump-not "\\\+ 0.0" "reassoc1" } } */
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/* { dg-final { scan-tree-dump-not "\\\+ 0.0" "reassoc1" } } */
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/* { dg-final { scan-tree-dump "return a_..D.;" "optimized" } } */
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/* { dg-final { scan-tree-dump "return a_..D.;" "optimized" } } */
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/* { dg-final { cleanup-tree-dump "reassoc1" } } */
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/* { dg-final { cleanup-tree-dump "reassoc1" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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