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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [predcom-5.c] - Blame information for rev 298

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* { dg-do compile } */`
2			`/* { dg-do run } */`
3			`/* { dg-options "-O2 -fpredictive-commoning -fdump-tree-pcom-details" } */`
4
5			`/* Test for predictive commoning of expressions, with reassociation. */`
6
7			`void abort (void);`
8
9			`unsigned a[1000], b[1000], c[1000], d[1000];`
10
11			`int main(void)`
12			`{`
13			`unsigned i;`
14
15			`for (i = 0; i < 1000; i++)`
16			`a[i] = b[i] = d[i] = i;`
17
18			`for (i = 1; i < 998; i++)`
19			`c[i] = d[i + 1] * a[i + 2] * b[i + 1] - b[i - 1] * a[i] * d[i - 1];`
20
21			`for (i = 1; i < 998; i++)`
22			`if (c[i] != (i+1)(i+2)(i+1) - (i - 1) * i * (i - 1))`
23			`abort ();`
24
25			`return 0;`
26			`}`
27
28			`/* { dg-final { scan-tree-dump-times "Combination" 2 "pcom"} } */`
29			`/* { dg-final { scan-tree-dump-times "Unrolling 3 times." 1 "pcom"} } */`
30			`/* { dg-final { cleanup-tree-dump "pcom" } } */`