xref: /qemu/tests/tcg/s390x/mie3-mvcrl.c (revision 4ce7a08d)
1 #include <stdint.h>
2 #include <string.h>
3 
4 static inline void mvcrl_8(const char *dst, const char *src)
5 {
6     asm volatile (
7     "llill %%r0, 8\n"
8     ".insn sse, 0xE50A00000000, 0(%[dst]), 0(%[src])"
9     : : [dst] "d" (dst), [src] "d" (src)
10     : "memory");
11 }
12 
13 int main(int argc, char *argv[])
14 {
15     const char *alpha = "abcdefghijklmnop";
16 
17     /* array missing 'i' */
18     char tstr[17] = "abcdefghjklmnop\0" ;
19 
20     /* mvcrl reference use: 'open a hole in an array' */
21     mvcrl_8(tstr + 9, tstr + 8);
22 
23     /* place missing 'i' */
24     tstr[8] = 'i';
25 
26     return strncmp(alpha, tstr, 16ul);
27 }
28