tests/tcg/s390x/mie3-sel.c

   1 #include <stdint.h>
   2
   3
   4 #define Fi3(S, ASM) uint64_t S(uint64_t a, uint64_t b, uint64_t c) \
   5 {                       \
   6 asm volatile (          \
   7     "ltgr %[c], %[c]\n" \
   8     ASM                 \
   9     : [c] "+r" (c)      \
  10     : [a]  "r" (a)      \
  11     , [b]  "r" (b)      \
  12 );                      \
  13     return c;           \
  14 }
  15
  16 Fi3 (_selre,     ".insn rrf, 0xB9F00000, %[c], %[b], %[a], 8\n")
  17 Fi3 (_selgrz,    ".insn rrf, 0xB9E30000, %[c], %[b], %[a], 8\n")
  18 Fi3 (_selfhrnz,  ".insn rrf, 0xB9C00000, %[c], %[b], %[a], 7\n")
  19
  20
  21 int main(int argc, char *argv[])
  22 {
  23     uint64_t a = ~0, b = ~0, c = ~0;
  24
  25     a =    _selre(0x066600000066ull, 0x066600000006ull, a);
  26     b =   _selgrz(0xF00D00000005ull, 0xF00D00000055ull, b);
  27     c = _selfhrnz(0x043200000044ull, 0x065400000004ull, c);
  28
  29     return (int) (
  30         (0xFFFFFFFF00000066ull != a) ||
  31         (0x0000F00D00000005ull != b) ||
  32         (0x00000654FFFFFFFFull != c));
  33 }