diff options
Diffstat (limited to 'deps/lightning/doc/incr.c')
-rw-r--r-- | deps/lightning/doc/incr.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/deps/lightning/doc/incr.c b/deps/lightning/doc/incr.c new file mode 100644 index 0000000..88859a8 --- /dev/null +++ b/deps/lightning/doc/incr.c @@ -0,0 +1,31 @@ +#include <stdio.h> +#include <lightning.h> + +static jit_state_t *_jit; + +typedef int (*pifi)(int); /* Pointer to Int Function of Int */ + +int main(int argc, char *argv[]) +{ + jit_node_t *in; + pifi incr; + + init_jit(argv[0]); + _jit = jit_new_state(); + + jit_prolog(); /* @t{ prolog } */ + in = jit_arg(); /* @t{ in = arg } */ + jit_getarg(JIT_R0, in); /* @t{ getarg R0 } */ + jit_addi(JIT_R0, JIT_R0, 1); /* @t{ addi R0\, R0\, 1 } */ + jit_retr(JIT_R0); /* @t{ retr R0 } */ + + incr = jit_emit(); + jit_clear_state(); + + /* call the generated code\, passing 5 as an argument */ + printf("%d + 1 = %d\n", 5, incr(5)); + + jit_destroy_state(); + finish_jit(); + return 0; +} |