tests/tcg/loongarch64/test_pcadd.c

   1 #include <assert.h>
   2 #include <inttypes.h>
   3 #include <string.h>
   4
   5 #define TEST_PCADDU(N)                              \
   6 void test_##N(int a)                                \
   7 {                                                   \
   8     uint64_t rd1 = 0;                               \
   9     uint64_t rd2 = 0;                               \
  10     uint64_t rm, rn;                                \
  11                                                     \
  12     asm volatile(""#N" %0, 0x104\n\t"               \
  13                  ""#N" %1, 0x12345\n\t"             \
  14                  : "=r"(rd1), "=r"(rd2)             \
  15                  : );                               \
  16     rm = rd2 - rd1;                                 \
  17     if (!strcmp(#N, "pcalau12i")) {                 \
  18         rn = ((0x12345UL - 0x104) << a) & ~0xfff;   \
  19     } else {                                        \
  20         rn = ((0x12345UL - 0x104) << a) + 4;        \
  21     }                                               \
  22     assert(rm == rn);                               \
  23 }
  24
  25 TEST_PCADDU(pcaddi)
  26 TEST_PCADDU(pcaddu12i)
  27 TEST_PCADDU(pcaddu18i)
  28 TEST_PCADDU(pcalau12i)
  29
  30 int main()
  31 {
  32     test_pcaddi(2);
  33     test_pcaddu12i(12);
  34     test_pcaddu18i(18);
  35     test_pcalau12i(12);
  36
  37     return 0;
  38 }