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/* PR tree-optimization/53366 */
/* { dg-do run } */
extern void abort (void);
struct S { double v[3]; };
struct T { struct S r, i; };
struct U { struct T j[5]; };
void
foo (struct U *__restrict p1, struct U *__restrict p2,
struct S l1, struct S l2, struct S l3, struct S l4,
const double _Complex * __restrict x, int y, int z)
{
int i, j;
while (y < z - 2)
{
for (j = 0; j < 5; ++j)
{
double a = __real__ x[5 * y + j];
double b = __imag__ x[5 * y + j];
double c = __real__ x[5 * (y + 2) + j];
double d = __imag__ x[5 * (y + 2) + j];
double e = __real__ x[5 * (y + 1) + j];
double f = __imag__ x[5 * (y + 1) + j];
double g = __real__ x[5 * (y + 3) + j];
double h = __imag__ x[5 * (y + 3) + j];
for (i = 0; i < 3; ++i)
{
p1->j[j].r.v[i] += l2.v[i] * a;
p1->j[j].r.v[i] += l4.v[i] * c;
p1->j[j].i.v[i] += l2.v[i] * b;
p1->j[j].i.v[i] += l4.v[i] * d;
p2->j[j].r.v[i] += l3.v[i] * e;
p2->j[j].r.v[i] += l1.v[i] * g;
p2->j[j].i.v[i] += l3.v[i] * f;
p2->j[j].i.v[i] += l1.v[i] * h;
}
}
y += 4;
}
}
_Complex double x[5005];
struct U p1, p2;
int
main ()
{
int i, j;
struct S l1, l2, l3, l4;
for (i = 0; i < 5005; ++i)
x[i] = i + 1.0iF * (2 * i);
for (i = 0; i < 3; ++i)
{
l1.v[i] = 1;
l2.v[i] = 2;
l3.v[i] = 3;
l4.v[i] = 4;
}
foo (&p1, &p2, l1, l2, l3, l4, x, 5, 1000);
for (j = 0; j < 5; ++j)
for (i = 0; i < 3; ++i)
if (p1.j[j].r.v[i] != 3752430 + j * 1494.0
|| p1.j[j].i.v[i] != p1.j[j].r.v[i] * 2
|| p2.j[j].r.v[i] != 2502450 + j * 996.0
|| p2.j[j].i.v[i] != p2.j[j].r.v[i] * 2)
abort ();
return 0;
}
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