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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [pr23911.c] - Diff between revs 816 and 826

Rev 816	Rev 826
`/* This was a missed optimization in tree constant propagation`	`/* This was a missed optimization in tree constant propagation`
`that CSE would catch later on. */`	`that CSE would catch later on. */`
`/* { dg-do compile } */`	`/* { dg-do compile } */`
`/* { dg-options "-O -fdump-tree-dce2" } */`	`/* { dg-options "-O -fdump-tree-dce2" } */`

`double _Complex *a;`	`double _Complex *a;`
`static const double _Complex b[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};`	`static const double _Complex b[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};`

`void`	`void`
`test (void)`	`test (void)`
`{`	`{`
`a[0] = b[0] + b[1];`	`a[0] = b[0] + b[1];`
`a[1] = b[0] + b[1];`	`a[1] = b[0] + b[1];`
`return;`	`return;`
`}`	`}`

`/* After DCE2 which runs after FRE, the expressions should be fully`	`/* After DCE2 which runs after FRE, the expressions should be fully`
`constant folded. There should be no loads from b left. */`	`constant folded. There should be no loads from b left. */`
`/* { dg-final { scan-tree-dump-times "__complex__ \\\(1.0e\\\+0, 0.0\\\)" 2 "dce2" } } */`	`/* { dg-final { scan-tree-dump-times "__complex__ \\\(1.0e\\\+0, 0.0\\\)" 2 "dce2" } } */`
`/* { dg-final { scan-tree-dump-times "= b" 0 "dce2" } } */`	`/* { dg-final { scan-tree-dump-times "= b" 0 "dce2" } } */`
`/* { dg-final { cleanup-tree-dump "dce2" } } */`	`/* { dg-final { cleanup-tree-dump "dce2" } } */`