1 // { dg-do run }
2 // { dg-options "-O2 -Wno-register" }
3
4 #include <exception>
5
6 using namespace std;
7
8 extern "C" void abort();
9
10 int i_0, i_1, i_2, i_3, i_4, i_5, i_6, i_7, i_8, i_9;
11 int j_0, j_1, j_2, j_3, j_4, j_5, j_6, j_7, j_8, j_9;
12 int k_0, k_1, k_2, k_3, k_4, k_5, k_6, k_7, k_8, k_9;
13 int l_0, l_1, l_2, l_3, l_4, l_5, l_6, l_7, l_8, l_9;
14 #define A(x,y,n) register int *x##n = &y##_##n;
15 #define B(x,y) \
16 A(x,y,0) A(x,y,1) A(x,y,2) A(x,y,3) A(x,y,4) \
17 A(x,y,5) A(x,y,6) A(x,y,7) A(x,y,8) A(x,y,9)
18 #define C(x,n) asm volatile ("" : "=r" (x##n) : "0" (x##n));
19 #define D(x) \
20 C(x,0) C(x,1) C(x,2) C(x,3) C(x,4) \
21 C(x,5) C(x,6) C(x,7) C(x,8) C(x,9)
22 #define E(x,y,n) if (x##n != &y##_##n) abort ();
23 #define F(x,y) \
24 E(x,y,0) E(x,y,1) E(x,y,2) E(x,y,3) E(x,y,4) \
25 E(x,y,5) E(x,y,6) E(x,y,7) E(x,y,8) E(x,y,9)
26
bar(long a0,long a1,long a2,long a3,long a4)27 void bar(long a0, long a1, long a2, long a3, long a4)
28 {
29 }
30
foo(long a0,long a1,long a2,long a3,long a4)31 void foo(long a0, long a1, long a2, long a3, long a4)
32 {
33 A(p,l,0) A(p,l,1) A(p,l,2)
34 C(p,0) C(p,1) C(p,2)
35 bar (0, 1, 2, 3, 4);
36 if (a0 == 0)
37 throw exception();
38 C(p,0) C(p,1) C(p,2)
39 E(p,l,0) E(p,l,1) E(p,l,2)
40 }
41
test(void)42 void test(void)
43 {
44 A(p,l,0) A(p,l,1) A(p,l,2) A(p,l,3) A(p,l,4) A(p,l,5) A(p,l,6)
45 C(p,0) C(p,1) C(p,2) C(p,3) C(p,4) C(p,5) C(p,6)
46 try {
47 foo(0, 1, 2, 3, 4);
48 } catch (exception) {}
49 C(p,0) C(p,1) C(p,2) C(p,3) C(p,4) C(p,5) C(p,6)
50 E(p,l,0) E(p,l,1) E(p,l,2) E(p,l,3) E(p,l,4) E(p,l,5) E(p,l,6)
51 }
52
main()53 int main()
54 {
55 B(x,i)
56 B(y,j)
57 B(z,k)
58 A(p,l,0) A(p,l,1) A(p,l,2) A(p,l,3)
59 D(x)
60 D(y)
61 D(z)
62 C(p,0) C(p,1) C(p,2) C(p,3)
63 test();
64 D(x)
65 D(y)
66 D(z)
67 C(p,0) C(p,1) C(p,2) C(p,3)
68 F(x,i)
69 F(y,j)
70 F(z,k)
71 E(p,l,0) E(p,l,1) E(p,l,2) E(p,l,3)
72 return 0;
73 }
74