1 /* PR tree-optimization/59643 */
5 __attribute__((noinline
, noclone
)) void
6 foo (double *a
, double *b
, double *c
, double d
, double e
, int n
)
9 for (i
= 1; i
< n
- 1; i
++)
10 a
[i
] = d
* (b
[i
] + c
[i
] + a
[i
- 1] + a
[i
+ 1]) + e
* a
[i
];
14 0.0, 10.0, 44.0, 110.0, 232.0, 490.0, 1020.0, 2078.0, 4152.0, 8314.0,
15 16652.0, 33326.0, 66664.0, 133354.0, 266748.0, 533534.0, 1067064.0,
16 2134138.0, 4268300.0, 8536622.0, 17073256.0, 34146538.0, 68293116.0,
17 136586270.0, 273172536.0, 546345082.0, 1092690188.0, 2185380398.0,
18 4370760808.0, 8741521642.0, 17483043324.0, 6.0
25 double a
[N
], b
[N
], c
[N
];
26 if (__DBL_MANT_DIG__
<= 35)
28 for (i
= 0; i
< N
; i
++)
34 foo (a
, b
, c
, 2.0, 3.0, N
);
35 for (i
= 0; i
< N
; i
++)
36 if (a
[i
] != expected
[i
])