1 /* PR middle-end/30262 */
2 /* { dg-skip-if "asm statements do not work as expected" { rl78-*-* } "*" "" } */
3 extern void abort (void);
4
5 int
foo(void)6 foo (void)
7 {
8 unsigned int x = 0;
9
10 void nested (void)
11 {
12 x = 254;
13 }
14
15 nested ();
16 asm volatile ("" :: "r" (x));
17 asm volatile ("" :: "m" (x));
18 asm volatile ("" :: "mr" (x));
19 asm volatile ("" : "=r" (x) : "0" (x));
20 asm volatile ("" : "=m" (x) : "m" (x));
21 return x;
22 }
23
24 int
bar(void)25 bar (void)
26 {
27 unsigned int x = 0;
28
29 void nested (void)
30 {
31 asm volatile ("" :: "r" (x));
32 asm volatile ("" :: "m" (x));
33 asm volatile ("" :: "mr" (x));
34 x += 4;
35 asm volatile ("" : "=r" (x) : "0" (x));
36 asm volatile ("" : "=m" (x) : "m" (x));
37 }
38
39 nested ();
40 return x;
41 }
42
43 int
baz(void)44 baz (void)
45 {
46 unsigned int x = 0;
47
48 void nested (void)
49 {
50 void nested2 (void)
51 {
52 asm volatile ("" :: "r" (x));
53 asm volatile ("" :: "m" (x));
54 asm volatile ("" :: "mr" (x));
55 x += 4;
56 asm volatile ("" : "=r" (x) : "0" (x));
57 asm volatile ("" : "=m" (x) : "m" (x));
58 }
59 nested2 ();
60 nested2 ();
61 }
62
63 nested ();
64 return x;
65 }
66
67 int
main(void)68 main (void)
69 {
70 if (foo () != 254 || bar () != 4 || baz () != 8)
71 abort ();
72 return 0;
73 }
74