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 } 34