gcc/testsuite/gcc.dg/c11-true_min-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-std=c11" } */
   3 /* { dg-xfail-run-if "PR58757 -mieee is required to compare denormals" { alpha*-*-* } } */
   4 /* { dg-skip-if "No subnormal support" { csky-*-* } { "-mhard-float" } } */
   5
   6 /* Test that the smallest positive value is not 0. This needs to be true
   7    even when denormals are not supported, so we do not pass any flag
   8    like -mieee.  */
   9
  10 #include <float.h>
  11
  12 int main(){
  13   volatile float f = FLT_TRUE_MIN;
  14   volatile double d = DBL_TRUE_MIN;
  15   volatile long double l = LDBL_TRUE_MIN;
  16   if (f == 0 || d == 0 || l == 0)
  17     __builtin_abort ();
  18   return 0;
  19 }