move main.c to examples

1 files changed, 35 insertions, 0 deletions

diff --git a/examples/main.c b/examples/main.c
new file mode 100644
index 0000000..94e372b
--- /dev/null
+++ b/examples/main.c
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: copyleft-next-0.3.1 */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stddef.h>
+
+#include "../src/copyjit.h"
+
+int main()
+{
+	ctx_t ctx;
+	compile_start(&ctx);
+
+	compile_fast_lix(&ctx, 0); // total in x
+
+	compile_fast_liy(&ctx, 0); // iter in y
+
+	void *top = compile_add(&ctx); // iter + total in a
+	compile_movxa(&ctx); // move total to x
+
+	compile_incy(&ctx); // increment iter
+	compile_fast_lio(&ctx, 1000000000); // limit in o
+	compile_subyo(&ctx);
+
+	compile_fast_lio(&ctx, (uintptr_t)top); // branch target in o
+	/* if we already know the offset, we could generate a ban with immediate
+	 * offsets to save one register? */
+	compile_ban(&ctx);
+
+	compile_end(&ctx);
+
+	compile_finish(&ctx);
+
+	printf("%lu\n", run(&ctx));
+}