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
main(int argc,char * argv[])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