1 /*
2 * Test the RXSBG instruction.
3 *
4 * SPDX-License-Identifier: GPL-2.0-or-later
5 */
6 #include <assert.h>
7 #include <stdlib.h>
8
9 static inline __attribute__((__always_inline__)) void
rxsbg(unsigned long * r1,unsigned long r2,int i3,int i4,int i5,int * cc)10 rxsbg(unsigned long *r1, unsigned long r2, int i3, int i4, int i5, int *cc)
11 {
12 asm("rxsbg %[r1],%[r2],%[i3],%[i4],%[i5]\n"
13 "ipm %[cc]"
14 : [r1] "+r" (*r1), [cc] "=r" (*cc)
15 : [r2] "r" (r2) , [i3] "i" (i3) , [i4] "i" (i4) , [i5] "i" (i5)
16 : "cc");
17 *cc = (*cc >> 28) & 3;
18 }
19
test_cc0(void)20 void test_cc0(void)
21 {
22 unsigned long r1 = 6;
23 int cc;
24
25 rxsbg(&r1, 3, 61 | 0x80, 62, 1, &cc);
26 assert(r1 == 6);
27 assert(cc == 0);
28 }
29
test_cc1(void)30 void test_cc1(void)
31 {
32 unsigned long r1 = 2;
33 int cc;
34
35 rxsbg(&r1, 3, 61 | 0x80, 62, 1, &cc);
36 assert(r1 == 2);
37 assert(cc == 1);
38 }
39
main(void)40 int main(void)
41 {
42 test_cc0();
43 test_cc1();
44
45 return EXIT_SUCCESS;
46 }
47