1 // PR c++/19263
2 // { dg-do run }
3 // { dg-options "-O2 -fpermissive" }
4 // { dg-prune-output "narrowing" }
5
6 typedef signed char v8qi __attribute__ ((vector_size (8)));
7
8 extern "C" void abort (void);
9
10 static unsigned char S[16];
11
12 struct A
13 {
14 int i;
15 v8qi j, k;
16 int l;
17 };
18
19 void
foo(unsigned char v)20 foo (unsigned char v)
21 {
22 A a = { 1, { v, v, v, v, v, v, v, v },
23 { v + 1, v + 1, v + 1, v + 1, v + 1, v + 1, v + 1, v + 1 }, 3 };
24 v8qi *s = (v8qi *) &S[0];
25 *s = a.j;
26 s[1] = a.k;
27 }
28
29 void
bar(unsigned char v)30 bar (unsigned char v)
31 {
32 v8qi val8 = { v, v, v, v, v, v, v, v };
33 v8qi *s = (v8qi *) &S[0];
34 *s = val8;
35 }
36
37 int n = 5, cnt;
38
39 int
num(void)40 num (void)
41 {
42 ++cnt;
43 return n;
44 }
45
46 void
baz(void)47 baz (void)
48 {
49 static A a = { 0, { num (), num (), num (), num (), 6, 6, 6, 6 },
50 { 7, 7, 7, 7, 8, 8, 8, 8 }, 0 };
51 v8qi *s = (v8qi *) &S[0];
52 *s = a.j;
53 s[1] = a.k;
54 }
55
56 int
main()57 main ()
58 {
59 int i;
60 foo (1);
61 for (i = 0; i < 8; ++i)
62 if (S[i] != 1)
63 abort ();
64 for (; i < 16; ++i)
65 if (S[i] != 2)
66 abort ();
67 bar (3);
68 for (i = 0; i < 8; ++i)
69 if (S[i] != 3)
70 abort ();
71 return 0;
72 baz ();
73 if (cnt != 4)
74 abort ();
75 for (i = 0; i < 16; ++i)
76 if (S[i] != 5 + (i / 4))
77 abort ();
78 return 0;
79 }
80