#include struct alignas(16) vec_t { uint64_t a, b; }; int main() { constexpr uint64_t gprs[] = { 0x0001020304050607, 0x1011121314151617, 0x2021222324252627, 0x3031323334353637, 0x4041424344454647, 0x5051525354555657, 0x6061626364656667, 0x7071727374757677, }; constexpr vec_t vecs[] = { { 0x0F0E0D0C0B0A0908, 0x1716151413121110, }, { 0x100F0E0D0C0B0A09, 0x1817161514131211, }, { 0x11100F0E0D0C0B0A, 0x1918171615141312, }, { 0x1211100F0E0D0C0B, 0x1A19181716151413, }, { 0x131211100F0E0D0C, 0x1B1A191817161514, }, { 0x14131211100F0E0D, 0x1C1B1A1918171615, }, { 0x1514131211100F0E, 0x1D1C1B1A19181716, }, { 0x161514131211100F, 0x1E1D1C1B1A191817, }, }; asm volatile( "ldp x0, x1, [%0]\n\t" "ldp x2, x3, [%0, #16]\n\t" "ldp x4, x5, [%0, #32]\n\t" "ldp x6, x7, [%0, #48]\n\t" "\n\t" "ld1 {v0.2d, v1.2d, v2.2d, v3.2d}, [%1], #64\n\t" "ld1 {v4.2d, v5.2d, v6.2d, v7.2d}, [%1], #64\n\t" "\n\t" "brk #0\n\t" : : "r"(gprs), "r"(vecs) : "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7" ); return 0; }