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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [no-vfa-vect-depend-1.c] - Blame information for rev 298

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* { dg-require-effective-target vect_int } */`
2
3			`#include <stdarg.h>`
4			`#include "tree-vect.h"`
5
6			`#define N 17`
7
8			`int ia[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48};`
9			`int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48};`
10			`int res[N] = {12,24,36,48,60,72,84,96,108,120,132,144,156,168,180,192,48};`
11
12			`__attribute__ ((noinline))`
13			`int main1 ()`
14			`{`
15			`int i;`
16
17			`/* Not vectorizable due to data dependence: dependence distance 1. */`
18			`for (i = 0; i < N - 1; i++)`
19			`{`
20			`ia[i+1] = ia[i] * 4;`
21			`}`
22
23			`/* check results: */`
24			`for (i = 0; i < N - 1; i++)`
25			`{`
26			`if (ia[i] != 0)`
27			`abort ();`
28			`}`
29
30			`/* Vectorizable. Dependence distance -1. */`
31			`for (i = 0; i < N - 1; i++)`
32			`{`
33			`ib[i] = ib[i+1] * 4;`
34			`}`
35
36			`/* check results: */`
37			`for (i = 0; i < N - 1; i++)`
38			`{`
39			`if (ib[i] != res[i])`
40			`abort ();`
41			`}`
42
43			`return 0;`
44			`}`
45
46			`int main (void)`
47			`{`
48			`check_vect();`
49
50			`return main1 ();`
51			`}`
52
53			`/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" {xfail vect_no_align } } } */`
54			`/* { dg-final { scan-tree-dump-times "dependence distance >= VF or negative" 1 "vect" } } */`
55			`/* { dg-final { cleanup-tree-dump "vect" } } */`
56