1 | #include <cstdint> |
2 | |
3 | struct alignas(16) vec_t { |
4 | uint64_t a, b; |
5 | }; |
6 | |
7 | int main() { |
8 | constexpr uint32_t gprs[] = { |
9 | 0x00010203, |
10 | 0x10111213, |
11 | 0x20212223, |
12 | 0x30313233, |
13 | 0x40414243, |
14 | 0x50515253, |
15 | 0x60616263, |
16 | 0x70717273, |
17 | }; |
18 | |
19 | constexpr vec_t vecs[] = { |
20 | { .a: 0x0F0E0D0C0B0A0908, .b: 0x1716151413121110, }, |
21 | { .a: 0x100F0E0D0C0B0A09, .b: 0x1817161514131211, }, |
22 | { .a: 0x11100F0E0D0C0B0A, .b: 0x1918171615141312, }, |
23 | { .a: 0x1211100F0E0D0C0B, .b: 0x1A19181716151413, }, |
24 | }; |
25 | const vec_t *vec_ptr = vecs; |
26 | |
27 | asm volatile( |
28 | "ldrd r0, r1, [%1]\n\t" |
29 | "ldrd r2, r3, [%1, #8]\n\t" |
30 | "ldrd r4, r5, [%1, #16]\n\t" |
31 | "ldrd r6, r7, [%1, #24]\n\t" |
32 | "\n\t" |
33 | "vld1.64 {q0, q1}, [%0]!\n\t" |
34 | "vld1.64 {q2, q3}, [%0]!\n\t" |
35 | "\n\t" |
36 | "bkpt #0\n\t" |
37 | : "+r" (vec_ptr) |
38 | : "r" (gprs) |
39 | : "r0" , "r1" , "r2" , "r3" , "r4" , "r5" , "r6" , "r7" , |
40 | "q0" , "q1" , "q2" , "q3" |
41 | ); |
42 | |
43 | return 0; |
44 | } |
45 | |