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test_r5900_mtlohi1.c (995B)

      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 }