45 lines · cpp
1#include <cstdint>2 3struct alignas(16) vec_t {4 uint64_t a, b;5};6 7int 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 { 0x0F0E0D0C0B0A0908, 0x1716151413121110, },21 { 0x100F0E0D0C0B0A09, 0x1817161514131211, },22 { 0x11100F0E0D0C0B0A, 0x1918171615141312, },23 { 0x1211100F0E0D0C0B, 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