tests/tcg/mips/user/isa/r5900/test_r5900_mtlohi1.c

   1 /*
   2  * Test R5900-specific MTLO1 and MTHI1.
   3  */
   4
   5 #include <stdio.h>
   6 #include <inttypes.h>
   7 #include <assert.h>
   8
   9 int main()
  10 {
  11     int32_t tlo  = 12207031, thi  = 305175781;
  12     int32_t tlo1 = 32452867, thi1 = 49979687;
  13     int32_t flo, fhi, flo1, fhi1;
  14
  15     /* Test both LO/HI and LO1/HI1 to verify separation. */
  16     __asm__ __volatile__ (
  17             "    mtlo  %4\n"
  18             "    mthi  %5\n"
  19             "    mtlo1 %6\n"
  20             "    mthi1 %7\n"
  21             "    move  %0, $0\n"
  22             "    move  %1, $0\n"
  23             "    move  %2, $0\n"
  24             "    move  %3, $0\n"
  25             "    mflo  %0\n"
  26             "    mfhi  %1\n"
  27             "    mflo1 %2\n"
  28             "    mfhi1 %3\n"
  29             : "=r" (flo),  "=r" (fhi),
  30               "=r" (flo1), "=r" (fhi1)
  31             : "r" (tlo),  "r" (thi),
  32               "r" (tlo1), "r" (thi1));
  33
  34     assert(flo  == 12207031);
  35     assert(fhi  == 305175781);
  36     assert(flo1 == 32452867);
  37     assert(fhi1 == 49979687);
  38
  39     return 0;
  40 }