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#include <stdio.h>
#include "../include/ejit/ejit.h"
int main()
{
struct ejit_func *f = ejit_create_func(EJIT_INT64, 0, NULL);
ejit_movi(f, EJIT_GPR(3), 1); // location 3 just has a constant 1 for
// increment
ejit_movi(f, EJIT_GPR(2), 0); // location 2 is i = 0
ejit_movi(f, EJIT_GPR(1), 1000000000); // location 1 is limit = one billion
ejit_movi(f, EJIT_GPR(0), 0); // location 0 is total = 0
struct ejit_label l = ejit_label(f); // top
ejit_addr(f, EJIT_GPR(0), EJIT_GPR(0), EJIT_GPR(2)); // add i to total
ejit_addr(f, EJIT_GPR(2), EJIT_GPR(2), EJIT_GPR(3)); // add 1 to i
struct ejit_reloc r = ejit_bltr(f, EJIT_GPR(2), EJIT_GPR(1)); // if i is less than limit
ejit_ret(f, EJIT_GPR(0)); // return total
ejit_patch(f, r, l);
/* the highest location we used was 3, so we need to request 3 location
* for general purpose registers in total. No floating point registers,
* so 0. */
ejit_compile_func(f, 4, 0);
long result = ejit_run_func(f, 0, NULL); // no args so this is fine
printf("%ld\n", result);
ejit_destroy_func(f);
return 0;
}
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