lldb/test/Shell/Register/Inputs/arm-gp-read.cpp

   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     { 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 }