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/* PR tree-optimization/87859 */
/* { dg-do run } */
/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging-details" } */
/* { dg-final { scan-tree-dump "New sequence of \[23] stores to replace old one of 14 stores" "store-merging" { target i?86-*-* x86_64-*-* } } } */
/* { dg-final { scan-tree-dump "New sequence of 1 stores to replace old one of 6 stores" "store-merging" { target i?86-*-* x86_64-*-* } } } */
struct S {
union F {
struct T {
#define A(n) unsigned n:1;
#define B(n) A(n##0) A(n##1) A(n##2) A(n##3) A(n##4) \
A(n##5) A(n##6) A(n##7) A(n##8) A(n##9)
B(f) B(f1) B(f2) B(f3) B(f4) B(f5)
A(f60) A(f61) A(f62) A(f63) A(f64) A(f65) A(f66)
} q;
unsigned int i[3];
} f;
};
struct S s = {
.f.q.f0 = 1, .f.q.f1 = 1, .f.q.f2 = 1, .f.q.f5 = 1, .f.q.f6 = 1,
.f.q.f7 = 1, .f.q.f8 = 1, .f.q.f9 = 1, .f.q.f13 = 1, .f.q.f14 = 1,
.f.q.f15 = 1, .f.q.f16 = 1, .f.q.f17 = 1, .f.q.f19 = 1, .f.q.f21 = 1,
.f.q.f66 = 1
};
__attribute__((noipa)) void
bar (unsigned *x)
{
if (x[0] != s.f.i[0] || x[1] != s.f.i[1] || x[2] != s.f.i[2])
__builtin_abort ();
}
__attribute__((noipa)) void
foo (unsigned char *state, unsigned char c)
{
struct S i;
i.f.i[0] = 0;
i.f.i[1] = 0;
i.f.i[2] = 0;
i.f.q.f7 = 1;
i.f.q.f2 = 1;
i.f.q.f21 = 1;
i.f.q.f19 = 1;
i.f.q.f14 = 1;
i.f.q.f5 = 1;
i.f.q.f0 = 1;
i.f.q.f15 = 1;
i.f.q.f16 = 1;
i.f.q.f6 = 1;
i.f.q.f9 = 1;
i.f.q.f17 = c;
i.f.q.f1 = 1;
i.f.q.f8 = 1;
i.f.q.f13 = 1;
i.f.q.f66 = 1;
if (*state)
{
i.f.q.f37 = 1;
i.f.q.f38 = 1;
i.f.q.f39 = 1;
i.f.q.f40 = 1;
i.f.q.f41 = 1;
i.f.q.f36 = 1;
}
bar (i.f.i);
}
int
main ()
{
unsigned char z = 0;
foo (&z, 1);
return 0;
}
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