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#include <stdint.h>
#define Fi3(S, ASM) uint64_t S(uint64_t a, uint64_t b, uint64_t c) \
{ \
asm volatile ( \
"ltgr %[c], %[c]\n" \
ASM \
: [c] "+r" (c) \
: [a] "r" (a) \
, [b] "r" (b) \
); \
return c; \
}
Fi3 (_selre, ".insn rrf, 0xB9F00000, %[c], %[b], %[a], 8\n")
Fi3 (_selgrz, ".insn rrf, 0xB9E30000, %[c], %[b], %[a], 8\n")
Fi3 (_selfhrnz, ".insn rrf, 0xB9C00000, %[c], %[b], %[a], 7\n")
int main(int argc, char *argv[])
{
uint64_t a = ~0, b = ~0, c = ~0;
a = _selre(0x066600000066ull, 0x066600000006ull, a);
b = _selgrz(0xF00D00000005ull, 0xF00D00000055ull, b);
c = _selfhrnz(0x043200000044ull, 0x065400000004ull, c);
return (int) (
(0xFFFFFFFF00000066ull != a) ||
(0x0000F00D00000005ull != b) ||
(0x00000654FFFFFFFFull != c));
}
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