1 /*
2 * Test the VECTOR ISOLATE STRING (vistr) instruction
3 */
4 #include <stdint.h>
5 #include <stdio.h>
6 #include "vx.h"
7
vistr(S390Vector * v1,S390Vector * v2,const uint8_t m3,const uint8_t m5)8 static inline void vistr(S390Vector *v1, S390Vector *v2,
9 const uint8_t m3, const uint8_t m5)
10 {
11 asm volatile("vistr %[v1], %[v2], %[m3], %[m5]\n"
12 : [v1] "=v" (v1->v)
13 : [v2] "v" (v2->v)
14 , [m3] "i" (m3)
15 , [m5] "i" (m5)
16 : "cc");
17 }
18
main(int argc,char * argv[])19 int main(int argc, char *argv[])
20 {
21 S390Vector vd = {};
22 S390Vector vs16 = {
23 .h[0] = 0x1234, .h[1] = 0x0056, .h[2] = 0x7800, .h[3] = 0x0000,
24 .h[4] = 0x0078, .h[5] = 0x0000, .h[6] = 0x6543, .h[7] = 0x2100
25 };
26 S390Vector vs32 = {
27 .w[0] = 0x12340000, .w[1] = 0x78654300,
28 .w[2] = 0x0, .w[3] = 0x12,
29 };
30
31 vistr(&vd, &vs16, 1, 0);
32 if (vd.h[0] != 0x1234 || vd.h[1] != 0x0056 || vd.h[2] != 0x7800 ||
33 vd.h[3] || vd.h[4] || vd.h[5] || vd.h[6] || vd.h[7]) {
34 puts("ERROR: vitrh failed!");
35 return 1;
36 }
37
38 vistr(&vd, &vs32, 2, 0);
39 if (vd.w[0] != 0x12340000 || vd.w[1] != 0x78654300 || vd.w[2] || vd.w[3]) {
40 puts("ERROR: vitrf failed!");
41 return 1;
42 }
43
44 return 0;
45 }
46