xref: /openbmc/qemu/tests/tcg/cris/libc/check_abs.c (revision 7c08eefc)
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <stdint.h>
4 #include "sys.h"
5 #include "crisutils.h"
6 
7 static always_inline int cris_abs(int n)
8 {
9 	int r;
10 	asm ("abs\t%1, %0\n" : "=r" (r) : "r" (n));
11 	return r;
12 }
13 
14 static always_inline void
15 verify_abs(int val, int res,
16 	   const int n, const int z, const int v, const int c)
17 {
18 	int r;
19 
20 	cris_tst_cc_init();
21 	r = cris_abs(val);
22 	cris_tst_cc(n, z, v, c);
23 	if (r != res)
24 		err();
25 }
26 
27 int main(void)
28 {
29 	verify_abs(-1, 1, 0, 0, 0, 0);
30 	verify_abs(0x80000000, 0x80000000, 1, 0, 0, 0);
31 	verify_abs(0x7fffffff, 0x7fffffff, 0, 0, 0, 0);
32 	verify_abs(42, 42, 0, 0, 0, 0);
33 	verify_abs(1, 1, 0, 0, 0, 0);
34 	verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
35 	verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
36 	verify_abs(-31, 0x1f, 0, 0, 0, 0);
37 	verify_abs(0, 0, 0, 1, 0, 0);
38 	pass();
39 	return 0;
40 }
41