tests/tcg/s390x/mie3-mvcrl.c

   1 #include <stdint.h>
   2 #include <string.h>
   3
   4
   5 static inline void mvcrl_8(const char *dst, const char *src)
   6 {
   7     asm volatile (
   8         "llill %%r0, 8\n"
   9         ".insn sse, 0xE50A00000000, 0(%[dst]), 0(%[src])"
  10         : : [dst] "d" (dst), [src] "d" (src)
  11         : "r0", "memory");
  12 }
  13
  14
  15 int main(int argc, char *argv[])
  16 {
  17     const char *alpha = "abcdefghijklmnop";
  18
  19     /* array missing 'i' */
  20     char tstr[17] = "abcdefghjklmnop\0" ;
  21
  22     /* mvcrl reference use: 'open a hole in an array' */
  23     mvcrl_8(tstr + 9, tstr + 8);
  24
  25     /* place missing 'i' */
  26     tstr[8] = 'i';
  27
  28     return strncmp(alpha, tstr, 16ul);
  29 }