none/tests/mips64/load_store_unaligned.c

   1 #include <stdio.h>
   2
   3 #define N 16
   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 unsigned long long memDst[] = {
  18    0, 0, 0, 0,
  19    0, 0, 0, 0,
  20    0, 0, 0, 0,
  21    0, 0, 0, 0,
  22 };
  23
  24 int main()
  25 {
  26 #if defined(__mips_hard_float)
  27    int i, index;
  28    unsigned long long outLoad;
  29 #if (__mips_isa_rev < 6)
  30    for (i = 0; i < N * SOLL; i++) {
  31       outLoad = 0;
  32       __asm__ __volatile__(
  33          "move  $t0, %1"        "\n\t"
  34          "move  $t1, %2"        "\n\t"
  35          "luxc1 $f0, $t1($t0)"  "\n\t"
  36          "dmfc1 %0,  $f0"       "\n\t"
  37          "move  $t0, %3"        "\n\t"
  38          "suxc1 $f0, $t1($t0)"  "\n\t"
  39          : "=r" (outLoad)
  40          : "r" (memSrc), "r" (i), "r" (memDst)
  41          : "t0", "t1", "$f0"
  42       );
  43       index = (i / SOLL) % N;
  44       printf("i: %d, memSrc[%d]: 0x%llx, memDst[%d]: 0x%llx, outLoad: 0x%llx\n",
  45               i, index, memSrc[index], index, memDst[index], outLoad);
  46    }
  47 #endif
  48 #endif
  49    return 0;
  50 }