ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since 139775e was
466fa01,
checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
|
add diagrams and example programs
|
-
Property mode set to
100644
|
File size:
476 bytes
|
Rev | Line | |
---|
[466fa01] | 1 | #include <cstdio> |
---|
| 2 | |
---|
| 3 | struct Fib { |
---|
| 4 | int fn = 1, fn1 = 0; |
---|
| 5 | void * next = nullptr; |
---|
| 6 | |
---|
| 7 | int operator()() { |
---|
| 8 | if ( __builtin_expect(next != 0, 1) ) goto *next; |
---|
| 9 | next = &&s1; |
---|
| 10 | for ( ;; ) { |
---|
| 11 | return fn1; |
---|
| 12 | s1: ; |
---|
| 13 | int fn0 = fn + fn1; |
---|
| 14 | fn1 = fn; |
---|
| 15 | fn = fn0; |
---|
| 16 | return fn1; |
---|
| 17 | } |
---|
| 18 | } |
---|
| 19 | }; |
---|
| 20 | int main() { |
---|
| 21 | Fib f1, f2; |
---|
| 22 | for ( int i = 0; i < 10; i += 1 ) { |
---|
| 23 | printf( "%d %d\n", f1(), f2() ); |
---|
| 24 | } |
---|
| 25 | } |
---|
| 26 | |
---|
| 27 | // Local Variables: // |
---|
| 28 | // tab-width: 4 // |
---|
| 29 | // compile-command: "gcc-8 Fib3.cc" // |
---|
| 30 | // End: // |
---|
Note: See
TracBrowser
for help on using the repository browser.