1/* SPDX-License-Identifier: GPL-2.0 */
 2#include <stdlib.h>
 3#include "../tests.h"
 4
 5#define BENCH_RUNS 999999
 6
 7static volatile int cnt;
 8
 9static void brstack_bar(void) {
10}				/* return */
11
12static void brstack_foo(void) {
13	brstack_bar();		/* call */
14}				/* return */
15
16static void brstack_bench(void) {
17	void (*brstack_foo_ind)(void) = brstack_foo;
18
19	if ((cnt++) % 3)	/* branch (cond) */
20		brstack_foo();	/* call */
21	brstack_bar();		/* call */
22	brstack_foo_ind();	/* call (ind) */
23}
24
25static int brstack(int argc, const char **argv)
26{
27	int num_loops = BENCH_RUNS;
28
29	if (argc > 0)
30		num_loops = atoi(argv[0]);
31
32	while (1) {
33		if ((cnt++) > num_loops)
34			break;
35		brstack_bench();/* call */
36	}			/* branch (uncond) */
37	return 0;
38}
39
40DEFINE_WORKLOAD(brstack);