tests/alpha/test-cond.c

   1
   2 #ifdef TEST_CMOV
   3
   4 #define TEST_COND(N)                            \
   5 int test_##N (long a)                           \
   6 {                                               \
   7   int res = 1;                                  \
   8                                                 \
   9   asm ("cmov"#N" %1,$31,%0"                     \
  10        : "+r" (res) : "r" (a));                 \
  11   return !res;                                  \
  12 }
  13
  14 #else
  15
  16 #define TEST_COND(N)                            \
  17 int test_##N (long a)                           \
  18 {                                               \
  19   int res = 1;                                  \
  20                                                 \
  21   asm ("b"#N" %1,1f\n\t"                        \
  22        "addq $31,$31,%0\n\t"                    \
  23        "1: unop\n"                              \
  24        : "+r" (res) : "r" (a));                 \
  25   return res;                                   \
  26 }
  27
  28 #endif
  29
  30 TEST_COND(eq)
  31 TEST_COND(ne)
  32 TEST_COND(ge)
  33 TEST_COND(gt)
  34 TEST_COND(lbc)
  35 TEST_COND(lbs)
  36 TEST_COND(le)
  37 TEST_COND(lt)
  38
  39 static struct {
  40   int (*func)(long);
  41   long v;
  42   int r;
  43 } vectors[] =
  44   {
  45     {test_eq, 0, 1},
  46     {test_eq, 1, 0},
  47
  48     {test_ne, 0, 0},
  49     {test_ne, 1, 1},
  50
  51     {test_ge, 0, 1},
  52     {test_ge, 1, 1},
  53     {test_ge, -1, 0},
  54
  55     {test_gt, 0, 0},
  56     {test_gt, 1, 1},
  57     {test_gt, -1, 0},
  58
  59     {test_lbc, 0, 1},
  60     {test_lbc, 1, 0},
  61     {test_lbc, -1, 0},
  62
  63     {test_lbs, 0, 0},
  64     {test_lbs, 1, 1},
  65     {test_lbs, -1, 1},
  66
  67     {test_le, 0, 1},
  68     {test_le, 1, 0},
  69     {test_le, -1, 1},
  70
  71     {test_lt, 0, 0},
  72     {test_lt, 1, 0},
  73     {test_lt, -1, 1},
  74   };
  75
  76 int main (void)
  77 {
  78   int i;
  79
  80   for (i = 0; i < sizeof (vectors)/sizeof(vectors[0]); i++)
  81     if ((*vectors[i].func)(vectors[i].v) != vectors[i].r) {
  82       write(1, "Failed\n", 7);
  83       return 1;
  84     }
  85   write(1, "OK\n", 3);
  86   return 0;
  87 }