ADTast-experimental
Last change
on this file since eb47a80 was
466fa01,
checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
|
add diagrams and example programs
|
-
Property mode set to
100644
|
File size:
1.2 KB
|
Line | |
---|
1 | #include <cstdio> |
---|
2 | |
---|
3 | struct Obj { |
---|
4 | Obj() { printf( "Obj constructor\n" ); } |
---|
5 | ~Obj() { printf( "Obj destructor\n" ); } |
---|
6 | int i = 4; |
---|
7 | }; |
---|
8 | |
---|
9 | struct PingPong { |
---|
10 | const char * name; |
---|
11 | const int N; |
---|
12 | PingPong * partner = nullptr; |
---|
13 | int i = 0; |
---|
14 | void * next = nullptr; |
---|
15 | |
---|
16 | PingPong( const char * name, int N ) : name(name), N(N) {} |
---|
17 | |
---|
18 | void operator()() { |
---|
19 | if ( __builtin_expect(next != 0, 1) ) goto *next; |
---|
20 | next = &&cycle; |
---|
21 | for ( ; i < N; i += 1 ) { |
---|
22 | Obj obj; |
---|
23 | printf( "X %s %d\n", name, obj.i ); |
---|
24 | obj.i = 7; |
---|
25 | #ifdef PRINT |
---|
26 | printf( "%s %d\n", name, i ); |
---|
27 | #endif // PRINT |
---|
28 | asm( "mov %0,%%rdi" : "=m" (partner) ); |
---|
29 | asm( "mov %rdi,%rax" ); |
---|
30 | #ifndef OPT |
---|
31 | #ifdef PRINT |
---|
32 | asm( "add $40, %rsp" ); |
---|
33 | #endif // PRINT |
---|
34 | asm( "popq %rbp" ); |
---|
35 | #endif // ! OPT |
---|
36 | |
---|
37 | #ifdef OPT |
---|
38 | #ifdef PRINT |
---|
39 | asm( "popq %rbx" ); |
---|
40 | #endif // PRINT |
---|
41 | #endif // OPT |
---|
42 | asm( "jmp _ZN8PingPongclEv" ); |
---|
43 | cycle: ; |
---|
44 | printf( "Y %s %d\n", name, obj.i ); |
---|
45 | } // for |
---|
46 | } |
---|
47 | }; |
---|
48 | int main() { |
---|
49 | enum { N = |
---|
50 | #ifdef PRINT |
---|
51 | 5 |
---|
52 | #else |
---|
53 | 1000000000 |
---|
54 | #endif // PRINT |
---|
55 | }; |
---|
56 | PingPong ping = { "ping", N }, pong = { "pong", N }; |
---|
57 | ping.partner = &pong; pong.partner = &ping; |
---|
58 | ping(); |
---|
59 | } |
---|
60 | |
---|
61 | // Local Variables: // |
---|
62 | // tab-width: 4 // |
---|
63 | // compile-command: "g++-8 -g -DPRINT PingPong.cc" // |
---|
64 | // End: // |
---|
Note: See
TracBrowser
for help on using the repository browser.