none/tests/mips64/unaligned_load.c

   1 #include <stdio.h>
   2
   3 #define N 15
   4 #define SOLL 8 /* size of unsigned long long */
   5
   6 unsigned long long memSrc[] = {
   7    0x12345658121f1e1f, 0,
   8    3,                  -1,
   9    0x232f2e2f56568441, 0x242c2b2b1236548c,
  10    0xffffffff252a2e2b, 0x262d2d2a4521dddd,
  11    0x3f343f3e22222222, 0x3e353d3c41231548,
  12    0x363a3c3b45421212, 0x3b373b3a4545afcb,
  13    0x454f4e4556984525, 0xfffffffffffffffc,
  14    0x474d474c55aaaaaa, 0x4a484a4c65665659
  15 };
  16
  17 int main()
  18 {
  19    int i, index;
  20    unsigned long long outLoad;
  21 #if (__mips_isa_rev < 6)
  22    for (i = 8; i < N * SOLL ; i++) {
  23       outLoad = 0;
  24       __asm__ __volatile__(
  25          "move  $t0, %1"        "\n\t"
  26          "move  $t1, %2"        "\n\t"
  27          "daddu $t0, $t0, $t1"  "\n\t"
  28          "move  $t1, $zero"     "\n\t"
  29          "ldl   $t1, 0($t0)"    "\n\t"
  30          "ldr   $t1, 7($t0)"    "\n\t"
  31          "move  %0,  $t1"       "\n\t"
  32          : "=r" (outLoad)
  33          : "r" (memSrc), "r" (i)
  34          : "t0", "t1"
  35       );
  36       index = (i / SOLL) % N;
  37       printf("i: %d, memSrc[%d]: 0x%llx, outLoad: 0x%llx\n",
  38               i, index, memSrc[index], outLoad);
  39    }
  40 #endif
  41    return 0;
  42 }