none/tests/s390x/tcxb.c

   1 /* test data class tests for float, double, long double:  TCEB, TCDB, TCXB */
   2 #include <math.h>
   3 #include <stdio.h>
   4
   5 static int tcxb(long double f, long long num)
   6 {
   7         int match;
   8
   9         asm volatile("  tcxb %1,0(%2)\n"
  10                         "ipm %0\n"
  11                         "srl %0,28\n"
  12                         : "=d" (match)
  13                         : "f" (f), "a" (num)
  14                         : "cc");
  15         return match;
  16 }
  17
  18 static int tcdb(double f, long long num)
  19 {
  20         int match;
  21
  22         asm volatile("  tcdb %1,0(%2)\n"
  23                         "ipm %0\n"
  24                         "srl %0,28\n"
  25                         : "=d" (match)
  26                         : "f" (f), "a" (num)
  27                         : "cc");
  28         return match;
  29 }
  30
  31 static int tceb(float f, long long num)
  32 {
  33         int match;
  34
  35         asm volatile("  tceb %1,0(%2)\n"
  36                         "ipm %0\n"
  37                         "srl %0,28\n"
  38                         : "=d" (match)
  39                         : "f" (f), "a" (num)
  40                         : "cc");
  41         return match;
  42 }
  43
  44 int main()
  45 {
  46         int i;
  47
  48         for (i = 0; i < 64; i++) {
  49                 if (sizeof (long double) == 16) {
  50                         /* long double 128 bit */
  51                         printf("%d", tcxb(+0.0l,        1UL<<i));
  52                         printf("%d", tcxb(-0.0l,        1UL<<i));
  53                         printf("%d", tcxb(+2.2l,        1UL<<i));
  54                         printf("%d", tcxb(-2.2l,        1UL<<i));
  55                         printf("%d", tcxb(+INFINITY,    1UL<<i));
  56                         printf("%d", tcxb(-INFINITY,    1UL<<i));
  57                         printf("%d", tcxb(+NAN,         1UL<<i));
  58                         printf("%d", tcxb(-NAN,         1UL<<i));
  59                 } else {
  60                         /* long double 64 bit */
  61                         printf("%d", tcdb(+0.0l,        1UL<<i));
  62                         printf("%d", tcdb(-0.0l,        1UL<<i));
  63                         printf("%d", tcdb(+2.2l,        1UL<<i));
  64                         printf("%d", tcdb(-2.2l,        1UL<<i));
  65                         printf("%d", tcdb(+INFINITY,    1UL<<i));
  66                         printf("%d", tcdb(-INFINITY,    1UL<<i));
  67                         printf("%d", tcdb(+NAN,         1UL<<i));
  68                         printf("%d", tcdb(-NAN,         1UL<<i));
  69                 }
  70                 /* double 64 bit */
  71                 printf("%d", tcdb(+0.0,         1UL<<i));
  72                 printf("%d", tcdb(-0.0,         1UL<<i));
  73                 printf("%d", tcdb(+2.2,         1UL<<i));
  74                 printf("%d", tcdb(-2.2,         1UL<<i));
  75                 printf("%d", tcdb(+INFINITY,    1UL<<i));
  76                 printf("%d", tcdb(-INFINITY,    1UL<<i));
  77                 printf("%d", tcdb(+NAN,         1UL<<i));
  78                 printf("%d", tcdb(-NAN,         1UL<<i));
  79
  80
  81                 /* float 32 bit */
  82                 printf("%d", tceb(+0.0f,        1UL<<i));
  83                 printf("%d", tceb(-0.0f,        1UL<<i));
  84                 printf("%d", tceb(+2.2f,        1UL<<i));
  85                 printf("%d", tceb(-2.2f,        1UL<<i));
  86                 printf("%d", tceb(+INFINITY,    1UL<<i));
  87                 printf("%d", tceb(-INFINITY,    1UL<<i));
  88                 printf("%d", tceb(+NAN,         1UL<<i));
  89                 printf("%d", tceb(-NAN,         1UL<<i));
  90
  91                 printf("\n");
  92
  93         }
  94         return 0;
  95 }