gcc/testsuite/gfortran.dg/leadz_trailz_2.f90

   1 ! { dg-do run }
   2 ! { dg-require-effective-target fortran_large_int }
   3
   4   integer(kind=16) :: i16
   5
   6   i16 = -1
   7   if (leadz(i16) /= 0) call abort
   8   if (trailz(i16) /= 0) call abort
   9   if (leadz(-1_16) /= 0) call abort
  10   if (trailz(-1_16) /= 0) call abort
  11
  12   i16 = -64
  13   if (leadz(i16) /= 0) call abort
  14   if (trailz(i16) /= 6) call abort
  15   if (leadz(-64_16) /= 0) call abort
  16   if (trailz(-64_16) /= 6) call abort
  17
  18   i16 = -108
  19   if (leadz(i16) /= 0) call abort
  20   if (trailz(i16) /= 2) call abort
  21   if (leadz(-108_16) /= 0) call abort
  22   if (trailz(-108_16) /= 2) call abort
  23
  24   i16 = 1
  25   if (leadz(i16) /= bit_size(i16) - 1) call abort
  26   if (trailz(i16) /= 0) call abort
  27   if (leadz(1_16) /= bit_size(1_16) - 1) call abort
  28   if (trailz(1_16) /= 0) call abort
  29
  30   i16 = 64
  31   if (leadz(i16) /= 121) call abort
  32   if (trailz(i16) /= 6) call abort
  33   if (leadz(64_16) /= 121) call abort
  34   if (trailz(64_16) /= 6) call abort
  35
  36 end