PR ipa/61602
[official-gcc.git] / gcc / testsuite / gcc.dg / torture / pr53366-1.c
blobd70eae8215374f24d04dcda934b98699753b1034
1 /* PR tree-optimization/53366 */
2 /* { dg-do run { target { size32plus } } } */
3 /* { dg-require-effective-target size32plus } */
5 extern void abort (void);
7 struct S { double v[3]; };
8 struct T { struct S r, i; };
9 struct U { struct T j[5]; };
11 void
12 foo (struct U *__restrict p1, struct U *__restrict p2,
13 struct S l1, struct S l2, struct S l3, struct S l4,
14 const double _Complex * __restrict x, int y, int z)
16 int i, j;
17 while (y < z - 2)
19 for (j = 0; j < 5; ++j)
21 double a = __real__ x[5 * y + j];
22 double b = __imag__ x[5 * y + j];
23 double c = __real__ x[5 * (y + 2) + j];
24 double d = __imag__ x[5 * (y + 2) + j];
25 double e = __real__ x[5 * (y + 1) + j];
26 double f = __imag__ x[5 * (y + 1) + j];
27 double g = __real__ x[5 * (y + 3) + j];
28 double h = __imag__ x[5 * (y + 3) + j];
29 for (i = 0; i < 3; ++i)
31 p1->j[j].r.v[i] += l2.v[i] * a;
32 p1->j[j].r.v[i] += l4.v[i] * c;
33 p1->j[j].i.v[i] += l2.v[i] * b;
34 p1->j[j].i.v[i] += l4.v[i] * d;
35 p2->j[j].r.v[i] += l3.v[i] * e;
36 p2->j[j].r.v[i] += l1.v[i] * g;
37 p2->j[j].i.v[i] += l3.v[i] * f;
38 p2->j[j].i.v[i] += l1.v[i] * h;
41 y += 4;
45 _Complex double x[5005];
46 struct U p1, p2;
48 int
49 main ()
51 int i, j;
52 struct S l1, l2, l3, l4;
53 for (i = 0; i < 5005; ++i)
54 x[i] = i + 1.0iF * (2 * i);
55 for (i = 0; i < 3; ++i)
57 l1.v[i] = 1;
58 l2.v[i] = 2;
59 l3.v[i] = 3;
60 l4.v[i] = 4;
62 foo (&p1, &p2, l1, l2, l3, l4, x, 5, 1000);
63 for (j = 0; j < 5; ++j)
64 for (i = 0; i < 3; ++i)
65 if (p1.j[j].r.v[i] != 3752430 + j * 1494.0
66 || p1.j[j].i.v[i] != p1.j[j].r.v[i] * 2
67 || p2.j[j].r.v[i] != 2502450 + j * 996.0
68 || p2.j[j].i.v[i] != p2.j[j].r.v[i] * 2)
69 abort ();
70 return 0;